[Libreoffice-commits] core.git: compilerplugins/clang editeng/qa i18npool/qa sal/qa sax/source svl/qa svtools/source sw/qa sw/source vcl/qa

Stephan Bergmann (via logerrit) logerrit at kemper.freedesktop.org
Wed Jan 27 22:25:31 UTC 2021


 compilerplugins/clang/stringliteralvar.cxx           |   14 
 compilerplugins/clang/test/stringliteralvar.cxx      |    9 
 editeng/qa/unit/core-test.cxx                        |    5 
 i18npool/qa/cppunit/test_breakiterator.cxx           |  219 ++++-------
 i18npool/qa/cppunit/test_characterclassification.cxx |    6 
 sal/qa/rtl/oustring/rtl_OUString2.cxx                |   13 
 sax/source/tools/fastserializer.cxx                  |    6 
 svl/qa/unit/svl.cxx                                  |    8 
 svtools/source/misc/sampletext.cxx                   |  347 ++++++++-----------
 sw/qa/core/uwriter.cxx                               |   92 ++---
 sw/qa/extras/ooxmlexport/ooxmlexport10.cxx           |    4 
 sw/qa/extras/ooxmlimport/ooxmlimport2.cxx            |    7 
 sw/qa/extras/rtfimport/rtfimport.cxx                 |   18 
 sw/source/filter/ww8/ww8par3.cxx                     |    8 
 vcl/qa/cppunit/complextext.cxx                       |   14 
 vcl/qa/cppunit/mnemonic.cxx                          |    8 
 16 files changed, 342 insertions(+), 436 deletions(-)

New commits:
commit aa2064c5c5f23f6f4b7bc44e12345b37f66995bc
Author:     Stephan Bergmann <sbergman at redhat.com>
AuthorDate: Wed Jan 27 16:45:22 2021 +0100
Commit:     Stephan Bergmann <sbergman at redhat.com>
CommitDate: Wed Jan 27 23:24:42 2021 +0100

    Improve loplugin:stringliteralvar
    
    ...to also consider O[U]String ctors taking pointer and length
    
    Change-Id: Iea5041634bfbf5054a1317701e30b56f72e940fb
    Reviewed-on: https://gerrit.libreoffice.org/c/core/+/110025
    Tested-by: Jenkins
    Reviewed-by: Stephan Bergmann <sbergman at redhat.com>

diff --git a/compilerplugins/clang/stringliteralvar.cxx b/compilerplugins/clang/stringliteralvar.cxx
index 348193421a61..ed1aa9e717d6 100644
--- a/compilerplugins/clang/stringliteralvar.cxx
+++ b/compilerplugins/clang/stringliteralvar.cxx
@@ -120,12 +120,14 @@ public:
                     return true;
                 }
                 auto const e2 = expr->getArg(1);
-                if (!(isa<CXXDefaultArgExpr>(e2)
-                      && loplugin::TypeCheck(e2->getType())
-                             .Struct("Dummy")
-                             .Namespace("libreoffice_internal")
-                             .Namespace("rtl")
-                             .GlobalNamespace()))
+                if (!((isa<CXXDefaultArgExpr>(e2)
+                       && loplugin::TypeCheck(e2->getType())
+                              .Struct("Dummy")
+                              .Namespace("libreoffice_internal")
+                              .Namespace("rtl")
+                              .GlobalNamespace())
+                      || (loplugin::TypeCheck(e2->getType()).Typedef("sal_Int32").GlobalNamespace()
+                          && e2->isIntegerConstantExpr(compiler.getASTContext()))))
                 {
                     return true;
                 }
diff --git a/compilerplugins/clang/test/stringliteralvar.cxx b/compilerplugins/clang/test/stringliteralvar.cxx
index 25a85f90a5a3..de67de5c7679 100644
--- a/compilerplugins/clang/test/stringliteralvar.cxx
+++ b/compilerplugins/clang/test/stringliteralvar.cxx
@@ -12,6 +12,7 @@
 #include <vector>
 
 #include <rtl/ustring.hxx>
+#include <sal/macros.h>
 
 // expected-error at +1 {{change type of variable 'literal1' from constant character array ('const char [4]') to OStringLiteral [loplugin:stringliteralvar]}}
 char const literal1[] = "foo";
@@ -78,4 +79,12 @@ void f8()
     (void)sizeof literal;
 }
 
+void f9()
+{
+    // expected-error at +1 {{change type of variable 'literal' from constant character array ('const sal_Unicode [3]') to OUStringLiteral [loplugin:stringliteralvar]}}
+    static sal_Unicode const literal[] = { 'f', 'o', 'o' };
+    // expected-note at +1 {{first passed into a 'rtl::OUString' constructor here [loplugin:stringliteralvar]}}
+    f(OUString(literal, SAL_N_ELEMENTS(literal)));
+}
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/editeng/qa/unit/core-test.cxx b/editeng/qa/unit/core-test.cxx
index 35094ca07af2..32136c944091 100644
--- a/editeng/qa/unit/core-test.cxx
+++ b/editeng/qa/unit/core-test.cxx
@@ -501,8 +501,7 @@ void Test::testAutocorrect()
     {
         OUString sInput("T\x01");
         sal_Unicode const cNextChar('"');
-        const sal_Unicode EXPECTED[] = { 'T', 0x01, 0x0201d };
-        OUString sExpected(EXPECTED, SAL_N_ELEMENTS(EXPECTED));
+        static constexpr OUStringLiteral sExpected = u"T\x01\u201d";
         bool bNbspRunNext = false;
 
         TestAutoCorrDoc aFoo(sInput, LANGUAGE_ENGLISH_US);
@@ -510,7 +509,7 @@ void Test::testAutocorrect()
         aAutoCorrect.DoAutoCorrect(aFoo, sInput, sInput.getLength(), cNextChar, true, bNbspRunNext);
         fprintf(stderr, "text is %x\n", aFoo.getResult()[aFoo.getResult().getLength() - 1]);
 
-        CPPUNIT_ASSERT_EQUAL_MESSAGE("autocorrect", sExpected, aFoo.getResult());
+        CPPUNIT_ASSERT_EQUAL_MESSAGE("autocorrect", OUString(sExpected), aFoo.getResult());
     }
 
 }
diff --git a/i18npool/qa/cppunit/test_breakiterator.cxx b/i18npool/qa/cppunit/test_breakiterator.cxx
index 384041ccd5db..2e7dde17e937 100644
--- a/i18npool/qa/cppunit/test_breakiterator.cxx
+++ b/i18npool/qa/cppunit/test_breakiterator.cxx
@@ -95,8 +95,7 @@ void TestBreakIterator::testLineBreaking()
 
     //See https://bugs.libreoffice.org/show_bug.cgi?id=49849
     {
-        const sal_Unicode HEBREW1[] = { 0x05DE, 0x05D9, 0x05DC, 0x05D9, 0x5DD };
-        OUString aWord(HEBREW1, SAL_N_ELEMENTS(HEBREW1));
+        constexpr OUStringLiteral aWord = u"\u05DE\u05D9\u05DC\u05D9\u05DD";
         OUString aTest(aWord + " " + aWord);
 
         aLocale.Language = "he";
@@ -138,10 +137,8 @@ void TestBreakIterator::testLineBreaking()
 
     //this is an example sequence from tdf92993-1.docx caught by the load crashtesting
     {
-        const sal_Unicode WEIRD1[] = { 0xd83c, 0xdf56, 0xd83c, 0xdf57, 0xd83c, 0xdf46,
-                                       0xd83c, 0xdf64, 0x2668, 0xfe0f, 0xd83c, 0xdfc6};
-
-        OUString aTest(WEIRD1, SAL_N_ELEMENTS(WEIRD1));
+        static constexpr OUStringLiteral aTest = u"\U0001f356\U0001f357\U0001f346"
+                                       "\U0001f364\u2668\ufe0f\U0001f3c6";
 
         aLocale.Language = "en";
         aLocale.Country = "US";
@@ -154,9 +151,8 @@ void TestBreakIterator::testLineBreaking()
 
     //See https://bugs.documentfoundation.org/show_bug.cgi?id=96197
     {
-        const sal_Unicode HANGUL[] = { 0xc560, 0xad6D, 0xac00, 0xc758, 0x0020, 0xac00,
-                                       0xc0ac, 0xb294};
-        OUString aTest(HANGUL, SAL_N_ELEMENTS(HANGUL));
+        static constexpr OUStringLiteral aTest = u"\uc560\uad6D\uac00\uc758 \uac00"
+                                       "\uc0ac\ub294";
 
         aLocale.Language = "ko";
         aLocale.Country = "KR";
@@ -228,18 +224,15 @@ void TestBreakIterator::testWordBoundaries()
 
     //See https://bz.apache.org/ooo/show_bug.cgi?id=14904
     {
-        const sal_Unicode TEST[] =
-        {
-            'W', 'o', 'r', 'k', 'i', 'n', 'g', ' ', 0x201C, 'W', 'o', 'r', 'd', 's',
-            ' ', 's', 't', 'a', 'r', 't', 'i', 'n', 'g', ' ', 'w', 'i', 't',
-            'h', ' ', 'q', 'u', 'o', 't', 'e', 's', 0x201D, ' ', 'W', 'o', 'r', 'k',
-            'i', 'n', 'g', ' ', 0x2018, 'B', 'r', 'o', 'k', 'e', 'n', 0x2019, ' ',
-            '?', 'S', 'p', 'a', 'n', 'i', 's', 'h', '?', ' ', 'd', 'o', 'e',
-            's', 'n', 0x2019, 't', ' ', 'w', 'o', 'r', 'k', '.', ' ', 'N', 'o',
-            't', ' ', 'e', 'v', 'e', 'n', ' ' , 0x00BF, 'r', 'e', 'a', 'l', '?', ' ',
-            'S', 'p', 'a', 'n', 'i', 's', 'h'
-        };
-        OUString aTest(TEST, SAL_N_ELEMENTS(TEST));
+        static constexpr OUStringLiteral aTest =
+            u"Working \u201CWords"
+            " starting wit"
+            "h quotes\u201D Work"
+            "ing \u2018Broken\u2019 "
+            "?Spanish? doe"
+            "sn\u2019t work. No"
+            "t even \u00BFreal? "
+            "Spanish";
 
         aBounds = m_xBreak->getWordBoundary(aTest, 4, aLocale, i18n::WordType::DICTIONARY_WORD, false);
         CPPUNIT_ASSERT(aBounds.startPos == 0 && aBounds.endPos == 7);
@@ -458,11 +451,8 @@ void TestBreakIterator::testWordBoundaries()
                 break;
         }
 
-        const sal_Unicode TEST[] =
-        {
-            'I', 0x200B, 'w', 'a', 'n', 't', 0x200B, 't', 'o', 0x200B, 'g', 'o'
-        };
-        OUString aTest(TEST, SAL_N_ELEMENTS(TEST));
+        static constexpr OUStringLiteral aTest =
+            u"I\u200Bwant\u200Bto\u200Bgo";
 
         sal_Int32 nPos = 0;
         sal_Int32 aExpected[] = {1, 6, 9, 12};
@@ -497,14 +487,11 @@ void TestBreakIterator::testWordBoundaries()
                 break;
         }
 
-        const sal_Unicode TEST[] =
-        {
-            0x1F0C, 0x03BD, 0x03B4, 0x03C1, 0x03B1, 0x0020, 0x1F00,
-            0x03C1, 0x03BD, 0x1F7B, 0x03BC, 0x03B5, 0x03BD, 0x03BF,
-            0x03C2, 0x0020, 0x1F00, 0x03BB, 0x03BB, 0x0020, 0x1F24,
-            0x03C3, 0x03B8, 0x03B9, 0x03BF, 0x03BD
-        };
-        OUString aTest(TEST, SAL_N_ELEMENTS(TEST));
+        static constexpr OUStringLiteral aTest =
+            u"\u1F0C\u03BD\u03B4\u03C1\u03B1 \u1F00"
+            "\u03C1\u03BD\u1F7B\u03BC\u03B5\u03BD\u03BF"
+            "\u03C2 \u1F00\u03BB\u03BB \u1F24"
+            "\u03C3\u03B8\u03B9\u03BF\u03BD";
 
         sal_Int32 nPos = 0;
         sal_Int32 aExpected[] = {5, 15, 19, 26};
@@ -571,11 +558,8 @@ void TestBreakIterator::testWordBoundaries()
         aLocale.Language = "en";
         aLocale.Country = "US";
 
-        const sal_Unicode TEST[] =
-        {
-            'r', 'u', 0xFB00, 'l', 'e', ' ', 0xFB01, 's', 'h'
-        };
-        OUString aTest(TEST, SAL_N_ELEMENTS(TEST));
+        static constexpr OUStringLiteral aTest =
+            u"ru\uFB00le \uFB01sh";
 
         aBounds = m_xBreak->getWordBoundary(aTest, 1, aLocale, i18n::WordType::DICTIONARY_WORD, false);
         CPPUNIT_ASSERT(aBounds.startPos == 0 && aBounds.endPos == 5);
@@ -589,11 +573,8 @@ void TestBreakIterator::testWordBoundaries()
         aLocale.Language = "en";
         aLocale.Country = "US";
 
-        const sal_Unicode TEST[] =
-        {
-            'a', 0x2013, 'b', 0x2014, 'c'
-        };
-        OUString aTest(TEST, SAL_N_ELEMENTS(TEST));
+        static constexpr OUStringLiteral aTest =
+            u"a\u2013b\u2014c";
 
         aBounds = m_xBreak->getWordBoundary(aTest, 0, aLocale, i18n::WordType::DICTIONARY_WORD, true);
         CPPUNIT_ASSERT(aBounds.startPos == 0 && aBounds.endPos == 1);
@@ -617,43 +598,42 @@ void TestBreakIterator::testGraphemeIteration()
     aLocale.Country = "IN";
 
     {
-        const sal_Unicode BA_HALANT_LA[] = { 0x09AC, 0x09CD, 0x09AF };
-        OUString aTest(BA_HALANT_LA, SAL_N_ELEMENTS(BA_HALANT_LA));
+        static constexpr OUStringLiteral aTest = u"\u09AC\u09CD\u09AF"; // BA HALANT LA
 
         sal_Int32 nDone=0;
         sal_Int32 nPos;
         nPos = m_xBreak->nextCharacters(aTest, 0, aLocale,
             i18n::CharacterIteratorMode::SKIPCELL, 1, nDone);
-        CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full grapheme", static_cast<sal_Int32>(SAL_N_ELEMENTS(BA_HALANT_LA)), nPos);
-        nPos = m_xBreak->previousCharacters(aTest, SAL_N_ELEMENTS(BA_HALANT_LA), aLocale,
+        CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full grapheme", aTest.getLength(), nPos);
+        nPos = m_xBreak->previousCharacters(aTest, aTest.getLength(), aLocale,
             i18n::CharacterIteratorMode::SKIPCELL, 1, nDone);
         CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full grapheme", static_cast<sal_Int32>(0), nPos);
     }
 
     {
-        const sal_Unicode HA_HALANT_NA_VOWELSIGNI[] = { 0x09B9, 0x09CD, 0x09A3, 0x09BF };
-        OUString aTest(HA_HALANT_NA_VOWELSIGNI, SAL_N_ELEMENTS(HA_HALANT_NA_VOWELSIGNI));
+        static constexpr OUStringLiteral aTest = u"\u09B9\u09CD\u09A3\u09BF";
+            // HA HALANT NA VOWELSIGNI
 
         sal_Int32 nDone=0;
         sal_Int32 nPos;
         nPos = m_xBreak->nextCharacters(aTest, 0, aLocale,
             i18n::CharacterIteratorMode::SKIPCELL, 1, nDone);
-        CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full grapheme", static_cast<sal_Int32>(SAL_N_ELEMENTS(HA_HALANT_NA_VOWELSIGNI)), nPos);
-        nPos = m_xBreak->previousCharacters(aTest, SAL_N_ELEMENTS(HA_HALANT_NA_VOWELSIGNI), aLocale,
+        CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full grapheme", aTest.getLength(), nPos);
+        nPos = m_xBreak->previousCharacters(aTest, aTest.getLength(), aLocale,
             i18n::CharacterIteratorMode::SKIPCELL, 1, nDone);
         CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full grapheme", static_cast<sal_Int32>(0), nPos);
     }
 
     {
-        const sal_Unicode TA_HALANT_MA_HALANT_YA  [] = { 0x09A4, 0x09CD, 0x09AE, 0x09CD, 0x09AF };
-        OUString aTest(TA_HALANT_MA_HALANT_YA, SAL_N_ELEMENTS(TA_HALANT_MA_HALANT_YA));
+        static constexpr OUStringLiteral aTest = u"\u09A4\u09CD\u09AE\u09CD\u09AF";
+            // TA HALANT MA HALANT YA
 
         sal_Int32 nDone=0;
         sal_Int32 nPos;
         nPos = m_xBreak->nextCharacters(aTest, 0, aLocale,
             i18n::CharacterIteratorMode::SKIPCELL, 1, nDone);
-        CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full grapheme", static_cast<sal_Int32>(SAL_N_ELEMENTS(TA_HALANT_MA_HALANT_YA)), nPos);
-        nPos = m_xBreak->previousCharacters(aTest, SAL_N_ELEMENTS(TA_HALANT_MA_HALANT_YA), aLocale,
+        CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full grapheme", aTest.getLength(), nPos);
+        nPos = m_xBreak->previousCharacters(aTest, aTest.getLength(), aLocale,
             i18n::CharacterIteratorMode::SKIPCELL, 1, nDone);
         CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full grapheme", static_cast<sal_Int32>(0), nPos);
     }
@@ -662,9 +642,7 @@ void TestBreakIterator::testGraphemeIteration()
     aLocale.Country = "IN";
 
     {
-        const sal_Unicode CA_VOWELSIGNI_TA_VIRAMA_TA_VOWELSIGNI_RA_VOWELSIGNAI [] = { 0x0B9A, 0x0BBF, 0x0BA4, 0x0BCD, 0x0BA4, 0x0BBF, 0x0BB0, 0x0BC8 };
-
-        OUString aTest(CA_VOWELSIGNI_TA_VIRAMA_TA_VOWELSIGNI_RA_VOWELSIGNAI, SAL_N_ELEMENTS(CA_VOWELSIGNI_TA_VIRAMA_TA_VOWELSIGNI_RA_VOWELSIGNAI));
+        static constexpr OUStringLiteral aTest = u"\u0B9A\u0BBF\u0BA4\u0BCD\u0BA4\u0BBF\u0BB0\u0BC8"; // CA VOWELSIGNI TA VIRAMA TA VOWELSIGNI RA VOWELSIGNAI
 
         sal_Int32 nDone=0;
         sal_Int32 nPos = 0;
@@ -676,8 +654,8 @@ void TestBreakIterator::testGraphemeIteration()
         nPos = m_xBreak->nextCharacters(aTest, nPos, aLocale, i18n::CharacterIteratorMode::SKIPCELL, 1, nDone);
         CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full grapheme", static_cast<sal_Int32>(6), nPos);
         nPos = m_xBreak->nextCharacters(aTest, nPos, aLocale, i18n::CharacterIteratorMode::SKIPCELL, 1, nDone);
-        CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full grapheme", static_cast<sal_Int32>(SAL_N_ELEMENTS(CA_VOWELSIGNI_TA_VIRAMA_TA_VOWELSIGNI_RA_VOWELSIGNAI)), nPos);
-        nPos = m_xBreak->previousCharacters(aTest, SAL_N_ELEMENTS(CA_VOWELSIGNI_TA_VIRAMA_TA_VOWELSIGNI_RA_VOWELSIGNAI), aLocale,
+        CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full grapheme", aTest.getLength(), nPos);
+        nPos = m_xBreak->previousCharacters(aTest, aTest.getLength(), aLocale,
             i18n::CharacterIteratorMode::SKIPCELL, 1, nDone);
         CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full grapheme", static_cast<sal_Int32>(6), nPos);
         nPos = m_xBreak->previousCharacters(aTest, nPos, aLocale, i18n::CharacterIteratorMode::SKIPCELL, 1, nDone);
@@ -689,25 +667,23 @@ void TestBreakIterator::testGraphemeIteration()
     }
 
     {
-        const sal_Unicode KA_VOWELSIGNU[] = { 0x0B95, 0x0BC1 };
-        OUString aTest(KA_VOWELSIGNU, SAL_N_ELEMENTS(KA_VOWELSIGNU));
+        static constexpr OUStringLiteral aTest = u"\u0B95\u0BC1"; // KA VOWELSIGNU
 
         sal_Int32 nDone=0;
         sal_Int32 nPos = 0;
 
         nPos = m_xBreak->nextCharacters(aTest, 0, aLocale,
             i18n::CharacterIteratorMode::SKIPCELL, 1, nDone);
-        CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full grapheme", static_cast<sal_Int32>(SAL_N_ELEMENTS(KA_VOWELSIGNU)), nPos);
-        nPos = m_xBreak->previousCharacters(aTest, SAL_N_ELEMENTS(KA_VOWELSIGNU), aLocale,
+        CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full grapheme", aTest.getLength(), nPos);
+        nPos = m_xBreak->previousCharacters(aTest, aTest.getLength(), aLocale,
             i18n::CharacterIteratorMode::SKIPCELL, 1, nDone);
         CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full grapheme", static_cast<sal_Int32>(0), nPos);
     }
 
     {
-        const sal_Unicode CA_VOWELSIGNI_TA_VIRAMA_TA_VOWELSIGNI_RA_VOWELSIGNAI[] =
-            { 0x0B9A, 0x0BBF, 0x0BA4, 0x0BCD, 0x0BA4, 0x0BBF, 0x0BB0, 0x0BC8 };
-        OUString aTest(CA_VOWELSIGNI_TA_VIRAMA_TA_VOWELSIGNI_RA_VOWELSIGNAI,
-            SAL_N_ELEMENTS(CA_VOWELSIGNI_TA_VIRAMA_TA_VOWELSIGNI_RA_VOWELSIGNAI));
+        static constexpr OUStringLiteral aTest =
+            u"\u0B9A\u0BBF\u0BA4\u0BCD\u0BA4\u0BBF\u0BB0\u0BC8";
+            // CA VOWELSIGNI TA VIRAMA TA VOWELSIGNI RA VOWELSIGNAI
 
         sal_Int32 nDone=0;
         sal_Int32 nPos=0;
@@ -730,8 +706,7 @@ void TestBreakIterator::testGraphemeIteration()
     }
 
     {
-        const sal_Unicode ALEF_QAMATS [] = { 0x05D0, 0x05B8 };
-        OUString aText(ALEF_QAMATS, SAL_N_ELEMENTS(ALEF_QAMATS));
+        static constexpr OUStringLiteral aText = u"\u05D0\u05B8"; // ALEF QAMATS
 
         sal_Int32 nGraphemeCount = 0;
 
@@ -751,16 +726,15 @@ void TestBreakIterator::testGraphemeIteration()
     aLocale.Country = "IN";
 
     {
-        const sal_Unicode SHA_VOWELSIGNII[] = { 0x936, 0x940 };
-        OUString aTest(SHA_VOWELSIGNII, SAL_N_ELEMENTS(SHA_VOWELSIGNII));
+        static constexpr OUStringLiteral aTest = u"\u0936\u0940"; // SHA VOWELSIGNII
 
         sal_Int32 nDone=0;
         sal_Int32 nPos = 0;
 
         nPos = m_xBreak->nextCharacters(aTest, 0, aLocale,
             i18n::CharacterIteratorMode::SKIPCELL, 1, nDone);
-        CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full grapheme", static_cast<sal_Int32>(SAL_N_ELEMENTS(SHA_VOWELSIGNII)), nPos);
-        nPos = m_xBreak->previousCharacters(aTest, SAL_N_ELEMENTS(SHA_VOWELSIGNII), aLocale,
+        CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full grapheme", aTest.getLength(), nPos);
+        nPos = m_xBreak->previousCharacters(aTest, aTest.getLength(), aLocale,
             i18n::CharacterIteratorMode::SKIPCELL, 1, nDone);
         CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full grapheme", static_cast<sal_Int32>(0), nPos);
     }
@@ -776,33 +750,30 @@ void TestBreakIterator::testWeak()
     aLocale.Country = "US";
 
     {
-        const sal_Unicode WEAKS[] =
-        {
-            0x0001, 0x0002,
-            0x0020, 0x00A0,
-            0x0300, 0x036F, //Combining Diacritical Marks
-            0x1AB0, 0x1AFF, //Combining Diacritical Marks Extended
-            0x1DC0, 0x1DFF, //Combining Diacritical Marks Supplement
-            0x20D0, 0x20FF, //Combining Diacritical Marks for Symbols
-            0x2150, 0x215F, //Number Forms, fractions
-            0x2160, 0x2180, //Number Forms, roman numerals
-            0x2200, 0x22FF, //Mathematical Operators
-            0x27C0, 0x27EF, //Miscellaneous Mathematical Symbols-A
-            0x2980, 0x29FF, //Miscellaneous Mathematical Symbols-B
-            0x2A00, 0x2AFF, //Supplemental Mathematical Operators
-            0x2100, 0x214F, //Letterlike Symbols
-            0x2308, 0x230B, //Miscellaneous technical
-            0x25A0, 0x25FF, //Geometric Shapes
-            0x2B30, 0x2B4C  //Miscellaneous Symbols and Arrows
-        };
-        OUString aWeaks(WEAKS, SAL_N_ELEMENTS(WEAKS));
+        static constexpr OUStringLiteral aWeaks =
+            u"\u0001\u0002"
+            " \u00A0"
+            "\u0300\u036F"  //Combining Diacritical Marks
+            "\u1AB0\u1AFF"  //Combining Diacritical Marks Extended
+            "\u1DC0\u1DFF"  //Combining Diacritical Marks Supplement
+            "\u20D0\u20FF"  //Combining Diacritical Marks for Symbols
+            "\u2150\u215F"  //Number Forms, fractions
+            "\u2160\u2180"  //Number Forms, roman numerals
+            "\u2200\u22FF"  //Mathematical Operators
+            "\u27C0\u27EF"  //Miscellaneous Mathematical Symbols-A
+            "\u2980\u29FF"  //Miscellaneous Mathematical Symbols-B
+            "\u2A00\u2AFF"  //Supplemental Mathematical Operators
+            "\u2100\u214F"  //Letterlike Symbols
+            "\u2308\u230B"  //Miscellaneous technical
+            "\u25A0\u25FF"  //Geometric Shapes
+            "\u2B30\u2B4C"; //Miscellaneous Symbols and Arrows
 
         for (sal_Int32 i = 0; i < aWeaks.getLength(); ++i)
         {
             sal_Int16 nScript = m_xBreak->getScriptType(aWeaks, i);
             OString aMsg =
                 "Char 0x" +
-                OString::number(static_cast<sal_Int32>(aWeaks[i]), 16) +
+                OString::number(static_cast<sal_Int32>(OUString(aWeaks)[i]), 16) +
                 " should have been weak";
             CPPUNIT_ASSERT_EQUAL_MESSAGE(aMsg.getStr(),
                 i18n::ScriptType::WEAK, nScript);
@@ -821,27 +792,24 @@ void TestBreakIterator::testAsian()
     aLocale.Country = "US";
 
     {
-        const sal_Unicode ASIANS[] =
-        {
+        static constexpr OUStringLiteral aAsians =
             //some typical CJK chars
-            0x4E00, 0x62FF,
+            u"\u4E00\u62FF"
             //The full HalfWidth and FullWidth block has historically been
             //designated as taking the CJK font :-(
             //HalfWidth and FullWidth forms of ASCII 0-9, categorized under
             //UAX24 as "Common" i.e. by that logic WEAK
-            0xFF10, 0xFF19,
+            "\uFF10\uFF19"
             //HalfWidth and FullWidth forms of ASCII A-z, categorized under
             //UAX25 as "Latin", i.e. by that logic LATIN
-            0xFF21, 0xFF5A
-        };
-        OUString aAsians(ASIANS, SAL_N_ELEMENTS(ASIANS));
+            "\uFF21\uFF5A";
 
         for (sal_Int32 i = 0; i < aAsians.getLength(); ++i)
         {
             sal_Int16 nScript = m_xBreak->getScriptType(aAsians, i);
             OString aMsg =
                 "Char 0x" +
-                OString::number(static_cast<sal_Int32>(aAsians[i]), 16) +
+                OString::number(static_cast<sal_Int32>(OUString(aAsians)[i]), 16) +
                 " should have been asian";
             CPPUNIT_ASSERT_EQUAL_MESSAGE(aMsg.getStr(),
                 i18n::ScriptType::ASIAN, nScript);
@@ -857,8 +825,7 @@ void TestBreakIterator::testLao()
     aLocale.Language = "lo";
     aLocale.Country = "LA";
 
-    const sal_Unicode LAO[] = { 0x0e8d, 0x0eb4, 0x0e99, 0x0e94, 0x0eb5, 0x0e95, 0x0ec9, 0x0ead, 0x0e99, 0x0eae, 0x0eb1, 0x0e9a };
-    OUString aTest(LAO, SAL_N_ELEMENTS(LAO));
+    static constexpr OUStringLiteral aTest = u"\u0e8d\u0eb4\u0e99\u0e94\u0eb5\u0e95\u0ec9\u0ead\u0e99\u0eae\u0eb1\u0e9a";
     i18n::Boundary aBounds = m_xBreak->getWordBoundary(aTest, 0, aLocale,
         i18n::WordType::DICTIONARY_WORD, true);
 
@@ -882,8 +849,7 @@ void TestBreakIterator::testThai()
 
     //See http://lists.freedesktop.org/archives/libreoffice/2012-February/025959.html
     {
-        const sal_Unicode THAI[] = { 0x0E01, 0x0E38, 0x0E2B, 0x0E25, 0x0E32, 0x0E1A };
-        OUString aTest(THAI, SAL_N_ELEMENTS(THAI));
+        static constexpr OUStringLiteral aTest = u"\u0E01\u0E38\u0E2B\u0E25\u0E32\u0E1A";
         i18n::Boundary aBounds = m_xBreak->getWordBoundary(aTest, 0, aLocale,
             i18n::WordType::DICTIONARY_WORD, true);
         CPPUNIT_ASSERT_MESSAGE("Should skip full word",
@@ -893,16 +859,13 @@ void TestBreakIterator::testThai()
     //See https://bz.apache.org/ooo/show_bug.cgi?id=29548
     //make sure forwards and back are consistent
     {
-        const sal_Unicode THAI[] =
-        {
-            0x0E2D, 0x0E38, 0x0E17, 0x0E22, 0x0E32, 0x0E19, 0x0E41,
-            0x0E2B, 0x0E48, 0x0E07, 0x0E0A, 0x0E32, 0x0E15, 0x0E34,
-            0x0E19, 0x0E49, 0x0E33, 0x0E2B, 0x0E19, 0x0E32, 0x0E27,
-            0x0E2D, 0x0E38, 0x0E17, 0x0E22, 0x0E32, 0x0E19, 0x0E41,
-            0x0E2B, 0x0E48, 0x0E07, 0x0E0A, 0x0E32, 0x0E15, 0x0E34,
-            0x0E19, 0x0E49, 0x0E33, 0x0E2B, 0x0E19, 0x0E32, 0x0E27
-        };
-        OUString aTest(THAI, SAL_N_ELEMENTS(THAI));
+        static constexpr OUStringLiteral aTest =
+            u"\u0E2D\u0E38\u0E17\u0E22\u0E32\u0E19\u0E41"
+            "\u0E2B\u0E48\u0E07\u0E0A\u0E32\u0E15\u0E34"
+            "\u0E19\u0E49\u0E33\u0E2B\u0E19\u0E32\u0E27"
+            "\u0E2D\u0E38\u0E17\u0E22\u0E32\u0E19\u0E41"
+            "\u0E2B\u0E48\u0E07\u0E0A\u0E32\u0E15\u0E34"
+            "\u0E19\u0E49\u0E33\u0E2B\u0E19\u0E32\u0E27";
 
         std::stack<sal_Int32> aPositions;
         sal_Int32 nPos = -1;
@@ -927,23 +890,22 @@ void TestBreakIterator::testThai()
 
     // tdf#113694
     {
-        const sal_Unicode NON_BMP[] = { 0xD800, 0xDC00 };
-        OUString aTest(NON_BMP, SAL_N_ELEMENTS(NON_BMP));
+        static constexpr OUStringLiteral aTest = u"\U00010000";
 
         sal_Int32 nDone=0;
         sal_Int32 nPos;
 
         nPos = m_xBreak->nextCharacters(aTest, 0, aLocale,
             i18n::CharacterIteratorMode::SKIPCELL, 1, nDone);
-        CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full surrogate pair", static_cast<sal_Int32>(SAL_N_ELEMENTS(NON_BMP)), nPos);
-        nPos = m_xBreak->previousCharacters(aTest, SAL_N_ELEMENTS(NON_BMP), aLocale,
+        CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full surrogate pair", aTest.getLength(), nPos);
+        nPos = m_xBreak->previousCharacters(aTest, aTest.getLength(), aLocale,
             i18n::CharacterIteratorMode::SKIPCELL, 1, nDone);
         CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full surrogate pair", static_cast<sal_Int32>(0), nPos);
 
         nPos = m_xBreak->nextCharacters(aTest, 0, aLocale,
             i18n::CharacterIteratorMode::SKIPCHARACTER, 1, nDone);
-        CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full surrogate pair", static_cast<sal_Int32>(SAL_N_ELEMENTS(NON_BMP)), nPos);
-        nPos = m_xBreak->previousCharacters(aTest, SAL_N_ELEMENTS(NON_BMP), aLocale,
+        CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full surrogate pair", aTest.getLength(), nPos);
+        nPos = m_xBreak->previousCharacters(aTest, aTest.getLength(), aLocale,
             i18n::CharacterIteratorMode::SKIPCHARACTER, 1, nDone);
         CPPUNIT_ASSERT_EQUAL_MESSAGE("Should skip full surrogate pair", static_cast<sal_Int32>(0), nPos);
     }
@@ -1001,9 +963,8 @@ void TestBreakIterator::doTestJapanese(uno::Reference< i18n::XBreakIterator > co
     i18n::Boundary aBounds;
 
     {
-        const sal_Unicode JAPANESE[] = { 0x30B7, 0x30E3, 0x30C3, 0x30C8, 0x30C0, 0x30A6, 0x30F3 };
+        static constexpr OUStringLiteral aTest = u"\u30B7\u30E3\u30C3\u30C8\u30C0\u30A6\u30F3";
 
-        OUString aTest(JAPANESE, SAL_N_ELEMENTS(JAPANESE));
         aBounds = xBreak->getWordBoundary(aTest, 5, aLocale,
             i18n::WordType::DICTIONARY_WORD, true);
 
@@ -1011,9 +972,8 @@ void TestBreakIterator::doTestJapanese(uno::Reference< i18n::XBreakIterator > co
     }
 
     {
-        const sal_Unicode JAPANESE[] = { 0x9EBB, 0x306E, 0x8449, 0x9EBB, 0x306E, 0x8449 };
+        static constexpr OUStringLiteral aTest = u"\u9EBB\u306E\u8449\u9EBB\u306E\u8449";
 
-        OUString aTest(JAPANESE, SAL_N_ELEMENTS(JAPANESE));
         aBounds = xBreak->getWordBoundary(aTest, 1, aLocale,
             i18n::WordType::DICTIONARY_WORD, true);
 
@@ -1044,9 +1004,8 @@ void TestBreakIterator::testChinese()
     aLocale.Country = "CN";
 
     {
-        const sal_Unicode CHINESE[] = { 0x6A35, 0x6A30, 0x69FE, 0x8919, 0xD867, 0xDEDB  };
+        static constexpr OUStringLiteral aTest = u"\u6A35\u6A30\u69FE\u8919\U00029EDB";
 
-        OUString aTest(CHINESE, SAL_N_ELEMENTS(CHINESE));
         i18n::Boundary aBounds = m_xBreak->getWordBoundary(aTest, 4, aLocale,
             i18n::WordType::DICTIONARY_WORD, true);
         CPPUNIT_ASSERT(aBounds.startPos == 4 && aBounds.endPos == 6);
diff --git a/i18npool/qa/cppunit/test_characterclassification.cxx b/i18npool/qa/cppunit/test_characterclassification.cxx
index 4af3984409a7..e2ea659eaccb 100644
--- a/i18npool/qa/cppunit/test_characterclassification.cxx
+++ b/i18npool/qa/cppunit/test_characterclassification.cxx
@@ -51,8 +51,7 @@ void TestCharacterClassification::testTitleCase()
 
     {
         //tricky one
-        const sal_Unicode LATINSMALLLETTERDZ[] = { 0x01F3 };
-        OUString aTest(LATINSMALLLETTERDZ, SAL_N_ELEMENTS(LATINSMALLLETTERDZ));
+        static constexpr OUStringLiteral aTest = u"\u01F3"; // LATIN SMALL LETTER DZ
         OUString sTitleCase = m_xCC->toTitle(aTest, 0, aTest.getLength(), aLocale);
         CPPUNIT_ASSERT_MESSAGE("Should be title", sTitleCase.getLength() == 1 && sTitleCase[0] == 0x01F2);
         OUString sUpperCase = m_xCC->toUpper(aTest, 0, aTest.getLength(), aLocale);
@@ -78,8 +77,7 @@ void TestCharacterClassification::testStringType()
 
     {
         //tricky case
-        const sal_Unicode MATHEMATICAL_ITALIC_SMALL_THETA[] = { 0xD835, 0xDF03 };
-        OUString sTest(MATHEMATICAL_ITALIC_SMALL_THETA, SAL_N_ELEMENTS(MATHEMATICAL_ITALIC_SMALL_THETA));
+        static constexpr OUStringLiteral sTest = u"\U0001D703"; // MATHEMATICAL ITALIC SMALL THETA
         sal_Int32 nResult = m_xCC->getStringType(sTest, 0, sTest.getLength(), aLocale);
         CPPUNIT_ASSERT_EQUAL(sal_Int32(228), nResult);
     }
diff --git a/sal/qa/rtl/oustring/rtl_OUString2.cxx b/sal/qa/rtl/oustring/rtl_OUString2.cxx
index 516378dc14a7..0e85a066f33f 100644
--- a/sal/qa/rtl/oustring/rtl_OUString2.cxx
+++ b/sal/qa/rtl/oustring/rtl_OUString2.cxx
@@ -792,10 +792,10 @@ public:
 };
 
 void convertToString::test() {
-    static sal_Unicode const utf16[] = { 0x0041, 0x00E4, 0x0061 };
+    static constexpr OUStringLiteral utf16 = u"A\u00E4a";
     OString s;
     CPPUNIT_ASSERT(
-        OUString(utf16, SAL_N_ELEMENTS(utf16)).convertToString(
+        OUString(utf16).convertToString(
             &s, RTL_TEXTENCODING_UTF7,
             (RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR |
              RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR)));
@@ -932,7 +932,8 @@ void createFromCodePoints::test() {
     CPPUNIT_ASSERT_EQUAL(
         sal_Int32(0),
         OUString(static_cast< sal_uInt32 const * >(nullptr), 0).getLength());
-    static sal_uInt32 const cp[] = { 0, 0xD800, 0xFFFF, 0x10000, 0x10FFFF };
+    sal_uInt32 cp[] = { 0, 0xD800, 0xFFFF, 0x10000, 0x10FFFF };
+        // non-const, to avoid loplugin:stringliteralvar
     OUString s(cp, SAL_N_ELEMENTS(cp));
     CPPUNIT_ASSERT_EQUAL(sal_Int32(7), s.getLength());
     CPPUNIT_ASSERT_EQUAL(u'\0', s[0]);
@@ -954,9 +955,9 @@ public:
 };
 
 void iterateCodePoints::testNotWellFormed() {
-    static sal_Unicode const utf16[] =
-        { 0xD800, 0xDC00, 0x0041, 0xDBFF, 0xDFFF, 0xDDEF, 0xD9AB };
-    OUString s(utf16, SAL_N_ELEMENTS(utf16));
+    static constexpr OUStringLiteral utf16 =
+        u"\U00010000A\U0010FFFF\xDDEF\xD9AB";
+    OUString s(utf16);
     sal_Int32 i = 0;
     CPPUNIT_ASSERT_EQUAL(sal_uInt32(0x10000), s.iterateCodePoints(&i));
     CPPUNIT_ASSERT_EQUAL(sal_Int32(2), i);
diff --git a/sax/source/tools/fastserializer.cxx b/sax/source/tools/fastserializer.cxx
index e6538424891c..77ed2b29c3d5 100644
--- a/sax/source/tools/fastserializer.cxx
+++ b/sax/source/tools/fastserializer.cxx
@@ -44,7 +44,7 @@ using ::com::sun::star::io::XOutputStream;
 
 const char sClosingBracket[] = ">";
 const char sSlashAndClosingBracket[] = "/>";
-const char sColon[] = ":";
+constexpr OStringLiteral sColon = ":";
 const char sOpeningBracket[] = "<";
 const char sOpeningBracketAndSlash[] = "</";
 const char sQuote[] = "\"";
@@ -296,7 +296,7 @@ namespace sax_fastparser {
             auto const Namespace(mxFastTokenHandler->getUTF8Identifier(NAMESPACE(nElement)));
             assert(Namespace.hasElements());
             writeBytes(Namespace);
-            writeBytes(sColon, N_CHARS(sColon));
+            writeBytes(sColon.getStr(), sColon.getLength());
             auto const Element(mxFastTokenHandler->getUTF8Identifier(TOKEN(nElement)));
             assert(Element.hasElements());
             writeBytes(Element);
@@ -316,7 +316,7 @@ namespace sax_fastparser {
             Sequence<sal_Int8> const name(
                 mxFastTokenHandler->getUTF8Identifier(TOKEN(nElement)));
             return OString(reinterpret_cast<char const*>(ns.getConstArray()), ns.getLength())
-                 + OString(sColon, N_CHARS(sColon))
+                 + sColon
                  + OString(reinterpret_cast<char const*>(name.getConstArray()), name.getLength());
         } else {
             Sequence<sal_Int8> const name(
diff --git a/svl/qa/unit/svl.cxx b/svl/qa/unit/svl.cxx
index beaf62ad39ec..da966596e398 100644
--- a/svl/qa/unit/svl.cxx
+++ b/svl/qa/unit/svl.cxx
@@ -539,12 +539,12 @@ void Test::testTdf103060()
     sExpected = "H"; // Heisei era
     checkPreviewString(aFormatter, sCode, fPreviewNumber, eLang, sExpected);
     sCode = "GG";
-    const sal_Unicode EXPECTED_G2[] = {0x5E73};
-    sExpected = OUString(EXPECTED_G2, SAL_N_ELEMENTS(EXPECTED_G2));
+    constexpr OUStringLiteral EXPECTED_G2 = u"\u5E73";
+    sExpected = EXPECTED_G2;
     checkPreviewString(aFormatter, sCode, fPreviewNumber, eLang, sExpected);
     sCode = "GGG";
-    const sal_Unicode EXPECTED_G3[] = {0x5E73, 0x6210};
-    sExpected = OUString(EXPECTED_G3, SAL_N_ELEMENTS(EXPECTED_G3));
+    constexpr OUStringLiteral EXPECTED_G3 = u"\u5E73\u6210";
+    sExpected = EXPECTED_G3;
     checkPreviewString(aFormatter, sCode, fPreviewNumber, eLang, sExpected);
 }
 
diff --git a/svtools/source/misc/sampletext.cxx b/svtools/source/misc/sampletext.cxx
index 950193cce994..13809a57eb12 100644
--- a/svtools/source/misc/sampletext.cxx
+++ b/svtools/source/misc/sampletext.cxx
@@ -224,303 +224,267 @@ OUString makeShortRepresentativeTextForScript(UScriptCode eScript)
     {
         case USCRIPT_GREEK:
         {
-            static const sal_Unicode aGrek[] = {
-                0x0391, 0x03BB, 0x03C6, 0x03AC, 0x03B2, 0x03B7, 0x03C4, 0x03BF
-            };
-            sSampleText = OUString(aGrek, SAL_N_ELEMENTS(aGrek));
+            static constexpr OUStringLiteral aGrek =
+                u"\u0391\u03BB\u03C6\u03AC\u03B2\u03B7\u03C4\u03BF";
+            sSampleText = aGrek;
             break;
         }
         case USCRIPT_HEBREW:
         {
-            static const sal_Unicode aHebr[] = {
-                0x05D0, 0x05B8, 0x05DC, 0x05B6, 0x05E3, 0x05BE, 0x05D1, 0x05B5,
-                0x05BC, 0x05D9, 0x05EA, 0x0020, 0x05E2, 0x05B4, 0x05D1, 0x05B0,
-                0x05E8, 0x05B4, 0x05D9
-            };
-            sSampleText = OUString(aHebr, SAL_N_ELEMENTS(aHebr));
+            static constexpr OUStringLiteral aHebr =
+                u"\u05D0\u05B8\u05DC\u05B6\u05E3\u05BE\u05D1\u05B5"
+                "\u05BC\u05D9\u05EA \u05E2\u05B4\u05D1\u05B0"
+                "\u05E8\u05B4\u05D9";
+            sSampleText = aHebr;
             break;
         }
         case USCRIPT_ARABIC:
         {
-            static const sal_Unicode aArab[] = {
-                0x0623, 0x0628, 0x062C, 0x062F, 0x064A, 0x0629, 0x0020, 0x0639,
-                0x0631, 0x0628, 0x064A, 0x0629
-            };
-            sSampleText = OUString(aArab, SAL_N_ELEMENTS(aArab));
+            static constexpr OUStringLiteral aArab =
+                u"\u0623\u0628\u062C\u062F\u064A\u0629 \u0639"
+                "\u0631\u0628\u064A\u0629";
+            sSampleText = aArab;
             break;
         }
         case USCRIPT_ARMENIAN:
         {
-            static const sal_Unicode aArmenian[] = {
-                0x0561, 0x0575, 0x0562, 0x0578, 0x0582, 0x0562, 0x0565,
-                0x0576
-            };
-            sSampleText = OUString(aArmenian, SAL_N_ELEMENTS(aArmenian));
+            static constexpr OUStringLiteral aArmenian =
+                u"\u0561\u0575\u0562\u0578\u0582\u0562\u0565"
+                "\u0576";
+            sSampleText = aArmenian;
             break;
         }
         case USCRIPT_DEVANAGARI:
         {
-            static const sal_Unicode aDeva[] = {
-                0x0926, 0x0947, 0x0935, 0x0928, 0x093E, 0x0917, 0x0930, 0x0940
-            };
-            sSampleText = OUString(aDeva, SAL_N_ELEMENTS(aDeva));
+            static constexpr OUStringLiteral aDeva =
+                u"\u0926\u0947\u0935\u0928\u093E\u0917\u0930\u0940";
+            sSampleText = aDeva;
             break;
         }
         case USCRIPT_BENGALI:
         {
-            static const sal_Unicode aBeng[] = {
-                0x09AC, 0x09BE, 0x0982, 0x09B2, 0x09BE, 0x0020, 0x09B2, 0x09BF,
-                0x09AA, 0x09BF
-            };
-            sSampleText = OUString(aBeng, SAL_N_ELEMENTS(aBeng));
+            static constexpr OUStringLiteral aBeng =
+                u"\u09AC\u09BE\u0982\u09B2\u09BE \u09B2\u09BF"
+                "\u09AA\u09BF";
+            sSampleText = aBeng;
             break;
         }
         case USCRIPT_GURMUKHI:
         {
-            static const sal_Unicode aGuru[] = {
-                0x0A17, 0x0A41, 0x0A30, 0x0A2E, 0x0A41, 0x0A16, 0x0A40
-            };
-            sSampleText = OUString(aGuru, SAL_N_ELEMENTS(aGuru));
+            static constexpr OUStringLiteral aGuru =
+                u"\u0A17\u0A41\u0A30\u0A2E\u0A41\u0A16\u0A40";
+            sSampleText = aGuru;
             break;
         }
         case USCRIPT_GUJARATI:
         {
-            static const sal_Unicode aGujr[] = {
-                0x0A97, 0x0AC1, 0x0A9C, 0x0AB0, 0x0ABE, 0x0AA4, 0x0aC0, 0x0020,
-                0x0AB2, 0x0ABF, 0x0AAA, 0x0ABF
-            };
-            sSampleText = OUString(aGujr, SAL_N_ELEMENTS(aGujr));
+            static constexpr OUStringLiteral aGujr =
+                u"\u0A97\u0AC1\u0A9C\u0AB0\u0ABE\u0AA4\u0aC0 "
+                "\u0AB2\u0ABF\u0AAA\u0ABF";
+            sSampleText = aGujr;
             break;
         }
         case USCRIPT_ORIYA:
         {
-            static const sal_Unicode aOrya[] = {
-                0x0B09, 0x0B24, 0x0B4D, 0x0B15, 0x0B33, 0x0020, 0x0B32, 0x0B3F,
-                0x0B2A, 0x0B3F
-            };
-            sSampleText = OUString(aOrya, SAL_N_ELEMENTS(aOrya));
+            static constexpr OUStringLiteral aOrya =
+                u"\u0B09\u0B24\u0B4D\u0B15\u0B33 \u0B32\u0B3F"
+                "\u0B2A\u0B3F";
+            sSampleText = aOrya;
             break;
         }
         case USCRIPT_TAMIL:
         {
-            static const sal_Unicode aTaml[] = {
-                0x0B85, 0x0BB0, 0x0BBF, 0x0B9A, 0x0BCD, 0x0B9A, 0x0BC1, 0x0BB5,
-                0x0B9F, 0x0BBF
-            };
-            sSampleText = OUString(aTaml, SAL_N_ELEMENTS(aTaml));
+            static constexpr OUStringLiteral aTaml =
+                u"\u0B85\u0BB0\u0BBF\u0B9A\u0BCD\u0B9A\u0BC1\u0BB5"
+                "\u0B9F\u0BBF";
+            sSampleText = aTaml;
             break;
         }
         case USCRIPT_TELUGU:
         {
-            static const sal_Unicode aTelu[] = {
-                0x0C24, 0x0C46, 0x0C32, 0x0C41, 0x0C17, 0x0C41
-            };
-            sSampleText = OUString(aTelu, SAL_N_ELEMENTS(aTelu));
+            static constexpr OUStringLiteral aTelu =
+                u"\u0C24\u0C46\u0C32\u0C41\u0C17\u0C41";
+            sSampleText = aTelu;
             break;
         }
         case USCRIPT_KANNADA:
         {
-            static const sal_Unicode aKnda[] = {
-                0x0C95, 0x0CA8, 0x0CCD, 0x0CA8, 0x0CA1, 0x0020, 0x0CB2, 0x0CBF,
-                0x0CAA, 0x0CBF
-            };
-            sSampleText = OUString(aKnda, SAL_N_ELEMENTS(aKnda));
+            static constexpr OUStringLiteral aKnda =
+                u"\u0C95\u0CA8\u0CCD\u0CA8\u0CA1 \u0CB2\u0CBF"
+                "\u0CAA\u0CBF";
+            sSampleText = aKnda;
             break;
         }
         case USCRIPT_MALAYALAM:
         {
-            static const sal_Unicode aMlym[] = {
-                0x0D2E, 0x0D32, 0x0D2F, 0x0D3E, 0x0D33, 0x0D32, 0x0D3F, 0x0D2A,
-                0x0D3F
-            };
-            sSampleText = OUString(aMlym, SAL_N_ELEMENTS(aMlym));
+            static constexpr OUStringLiteral aMlym =
+                u"\u0D2E\u0D32\u0D2F\u0D3E\u0D33\u0D32\u0D3F\u0D2A"
+                "\u0D3F";
+            sSampleText = aMlym;
             break;
         }
         case USCRIPT_THAI:
         {
-            static const sal_Unicode aThai[] = {
-                0x0E2D, 0x0E31, 0x0E01, 0x0E29, 0x0E23, 0x0E44, 0x0E17, 0x0E22
-            };
-            sSampleText = OUString(aThai, SAL_N_ELEMENTS(aThai));
+            static constexpr OUStringLiteral aThai =
+                u"\u0E2D\u0E31\u0E01\u0E29\u0E23\u0E44\u0E17\u0E22";
+            sSampleText = aThai;
             break;
         }
         case USCRIPT_LAO:
         {
-            static const sal_Unicode aLao[] = {
-                0x0EAD, 0x0EB1, 0x0E81, 0x0EAA, 0x0EAD, 0x0E99, 0x0EA5, 0x0EB2,
-                0x0EA7
-            };
-            sSampleText = OUString(aLao, SAL_N_ELEMENTS(aLao));
+            static constexpr OUStringLiteral aLao =
+                u"\u0EAD\u0EB1\u0E81\u0EAA\u0EAD\u0E99\u0EA5\u0EB2"
+                "\u0EA7";
+            sSampleText = aLao;
             break;
         }
         case USCRIPT_GEORGIAN:
         {
-            static const sal_Unicode aGeorgian[] = {
-                0x10D3, 0x10D0, 0x10DB, 0x10EC, 0x10D4, 0x10E0, 0x10DA, 0x10DD,
-                0x10D1, 0x10D0
-            };
-            sSampleText = OUString(aGeorgian, SAL_N_ELEMENTS(aGeorgian));
+            static constexpr OUStringLiteral aGeorgian =
+                u"\u10D3\u10D0\u10DB\u10EC\u10D4\u10E0\u10DA\u10DD"
+                "\u10D1\u10D0";
+            sSampleText = aGeorgian;
             break;
         }
         case USCRIPT_JAMO:
         case USCRIPT_HANGUL:
         case USCRIPT_KOREAN:
         {
-            static const sal_Unicode aHang[] = {
-                0xD55C, 0xAE00
-            };
-            sSampleText = OUString(aHang, SAL_N_ELEMENTS(aHang));
+            static constexpr OUStringLiteral aHang =
+                u"\uD55C\uAE00";
+            sSampleText = aHang;
             break;
         }
         case USCRIPT_TIBETAN:
         {
-            static const sal_Unicode aTibt[] = {
-                0x0F51, 0x0F56, 0x0F74, 0x0F0B, 0x0F45, 0x0F53, 0x0F0B
-            };
-            sSampleText = OUString(aTibt, SAL_N_ELEMENTS(aTibt));
+            static constexpr OUStringLiteral aTibt =
+                u"\u0F51\u0F56\u0F74\u0F0B\u0F45\u0F53\u0F0B";
+            sSampleText = aTibt;
             break;
         }
         case USCRIPT_SYRIAC:
         {
-            static const sal_Unicode aSyri[] = {
-                0x0723, 0x071B, 0x072A, 0x0722, 0x0713, 0x0720, 0x0710
-            };
-            sSampleText = OUString(aSyri, SAL_N_ELEMENTS(aSyri));
+            static constexpr OUStringLiteral aSyri =
+                u"\u0723\u071B\u072A\u0722\u0713\u0720\u0710";
+            sSampleText = aSyri;
             break;
         }
         case USCRIPT_THAANA:
         {
-            static const sal_Unicode aThaa[] = {
-                0x078C, 0x07A7, 0x0782, 0x07A6
-            };
-            sSampleText = OUString(aThaa, SAL_N_ELEMENTS(aThaa));
+            static constexpr OUStringLiteral aThaa =
+                u"\u078C\u07A7\u0782\u07A6";
+            sSampleText = aThaa;
             break;
         }
         case USCRIPT_SINHALA:
         {
-            static const sal_Unicode aSinh[] = {
-                0x0DC1, 0x0DD4, 0x0DAF, 0x0DCA, 0x0DB0, 0x0020, 0x0DC3, 0x0DD2,
-                0x0D82, 0x0DC4, 0x0DBD
-            };
-            sSampleText = OUString(aSinh, SAL_N_ELEMENTS(aSinh));
+            static constexpr OUStringLiteral aSinh =
+                u"\u0DC1\u0DD4\u0DAF\u0DCA\u0DB0 \u0DC3\u0DD2"
+                "\u0D82\u0DC4\u0DBD";
+            sSampleText = aSinh;
             break;
         }
         case USCRIPT_MYANMAR:
         {
-            static const sal_Unicode aMymr[] = {
-                0x1019, 0x103C, 0x1014, 0x103A, 0x1019, 0x102C, 0x1021, 0x1000,
-                0x1039, 0x1001, 0x101B, 0x102C
-            };
-            sSampleText = OUString(aMymr, SAL_N_ELEMENTS(aMymr));
+            static constexpr OUStringLiteral aMymr =
+                u"\u1019\u103C\u1014\u103A\u1019\u102C\u1021\u1000"
+                "\u1039\u1001\u101B\u102C";
+            sSampleText = aMymr;
             break;
         }
         case USCRIPT_ETHIOPIC:
         {
-            static const sal_Unicode aEthi[] = {
-                0x130D, 0x12D5, 0x12DD
-            };
-            sSampleText = OUString(aEthi, SAL_N_ELEMENTS(aEthi));
+            static constexpr OUStringLiteral aEthi =
+                u"\u130D\u12D5\u12DD";
+            sSampleText = aEthi;
             break;
         }
         case USCRIPT_CHEROKEE:
         {
-            static const sal_Unicode aCher[] = {
-                0x13D7, 0x13AA, 0x13EA, 0x13B6, 0x13D9, 0x13D7
-            };
-            sSampleText = OUString(aCher, SAL_N_ELEMENTS(aCher));
+            static constexpr OUStringLiteral aCher =
+                u"\u13D7\u13AA\u13EA\u13B6\u13D9\u13D7";
+            sSampleText = aCher;
             break;
         }
         case USCRIPT_KHMER:
         {
-            static const sal_Unicode aKhmr[] = {
-                0x17A2, 0x1780, 0x17D2, 0x1781, 0x179A, 0x1780, 0x17D2, 0x179A,
-                0x1798, 0x1781, 0x17C1, 0x1798, 0x179A, 0x1797, 0x17B6, 0x179F,
-                0x17B6
-            };
-            sSampleText = OUString(aKhmr, SAL_N_ELEMENTS(aKhmr));
+            static constexpr OUStringLiteral aKhmr =
+                u"\u17A2\u1780\u17D2\u1781\u179A\u1780\u17D2\u179A"
+                "\u1798\u1781\u17C1\u1798\u179A\u1797\u17B6\u179F"
+                "\u17B6";
+            sSampleText = aKhmr;
             break;
         }
         case USCRIPT_MONGOLIAN:
         {
-            static const sal_Unicode aMongolian[] = {
-                0x182A, 0x1822, 0x1834, 0x1822, 0x182D, 0x180C
-            };
-            sSampleText = OUString(aMongolian, SAL_N_ELEMENTS(aMongolian));
+            static constexpr OUStringLiteral aMongolian =
+                u"\u182A\u1822\u1834\u1822\u182D\u180C";
+            sSampleText = aMongolian;
             break;
         }
         case USCRIPT_TAGALOG:
         {
-            static const sal_Unicode aTagalog[] = {
-                0x170A, 0x170A, 0x170C, 0x1712
-            };
-            sSampleText = OUString(aTagalog, SAL_N_ELEMENTS(aTagalog));
+            static constexpr OUStringLiteral aTagalog =
+                u"\u170A\u170A\u170C\u1712";
+            sSampleText = aTagalog;
             break;
         }
         case USCRIPT_NEW_TAI_LUE:
         {
-            static const sal_Unicode aTalu[] = {
-                0x1991, 0x19BA, 0x199F, 0x19B9, 0x19C9
-            };
-            sSampleText = OUString(aTalu, SAL_N_ELEMENTS(aTalu));
+            static constexpr OUStringLiteral aTalu =
+                u"\u1991\u19BA\u199F\u19B9\u19C9";
+            sSampleText = aTalu;
             break;
         }
         case USCRIPT_TRADITIONAL_HAN:
         {
-            static const sal_Unicode aHant[] = {
-                0x7E41
-            };
-            sSampleText = OUString(aHant, SAL_N_ELEMENTS(aHant));
+            static constexpr OUStringLiteral aHant =
+                u"\u7E41";
+            sSampleText = aHant;
             break;
         }
         case USCRIPT_SIMPLIFIED_HAN:
         {
-            static const sal_Unicode aHans[] = {
-                0x7B80
-            };
-            sSampleText = OUString(aHans, SAL_N_ELEMENTS(aHans));
+            static constexpr OUStringLiteral aHans =
+                u"\u7B80";
+            sSampleText = aHans;
             break;
         }
         case USCRIPT_HAN:
         {
-            static const sal_Unicode aSimplifiedAndTraditionalChinese[] = {
-                0x7B80, 0x7E41
-            };
-            sSampleText = OUString(aSimplifiedAndTraditionalChinese,
-                SAL_N_ELEMENTS(aSimplifiedAndTraditionalChinese));
+            static constexpr OUStringLiteral aSimplifiedAndTraditionalChinese =
+                u"\u7B80\u7E41";
+            sSampleText = aSimplifiedAndTraditionalChinese;
             break;
         }
         case USCRIPT_JAPANESE:
         {
-            static const sal_Unicode aJpan[] = {
-                0x65E5, 0x672C, 0x8A9E
-            };
-            sSampleText = OUString(aJpan, SAL_N_ELEMENTS(aJpan));
+            static constexpr OUStringLiteral aJpan =
+                u"\u65E5\u672C\u8A9E";
+            sSampleText = aJpan;
             break;
         }
         case USCRIPT_YI:
         {
-            static const sal_Unicode aYiii[] = {
-                0xA188,  0xA320, 0xA071, 0xA0B7
-            };
-            sSampleText = OUString(aYiii, SAL_N_ELEMENTS(aYiii));
+            static constexpr OUStringLiteral aYiii =
+                u"\uA188\uA320\uA071\uA0B7";
+            sSampleText = aYiii;
             break;
         }
         case USCRIPT_PHAGS_PA:
         {
-            static const sal_Unicode aPhag[] = {
-                0xA84F, 0xA861, 0xA843, 0x0020, 0xA863, 0xA861, 0xA859, 0x0020,
-                0xA850, 0xA85C, 0xA85E
-            };
-            sSampleText = OUString(aPhag, SAL_N_ELEMENTS(aPhag));
+            static constexpr OUStringLiteral aPhag =
+                u"\uA84F\uA861\uA843 \uA863\uA861\uA859 "
+                u"\uA850\uA85C\uA85E";
+            sSampleText = aPhag;
             break;
         }
         case USCRIPT_TAI_LE:
         {
-            static const sal_Unicode aTale[] = {
-                0x1956, 0x196D, 0x1970, 0x1956, 0x196C, 0x1973, 0x1951, 0x1968,
-                0x1952, 0x1970
-            };
-            sSampleText = OUString(aTale, SAL_N_ELEMENTS(aTale));
+            static constexpr OUStringLiteral aTale =
+                u"\u1956\u196D\u1970\u1956\u196C\u1973\u1951\u1968"
+                "\u1952\u1970";
+            sSampleText = aTale;
             break;
         }
         case USCRIPT_LATIN:
@@ -542,19 +506,17 @@ static OUString makeRepresentativeTextForScript(UScriptCode eScript)
         case USCRIPT_HAN:
         {
             //Three Character Classic
-            static const sal_Unicode aZh[] = {
-                0x4EBA, 0x4E4B, 0x521D, 0x0020, 0x6027, 0x672C, 0x5584
-            };
-            sSampleText = OUString(aZh, SAL_N_ELEMENTS(aZh));
+            static constexpr OUStringLiteral aZh =
+                u"\u4EBA\u4E4B\u521D \u6027\u672C\u5584";
+            sSampleText = aZh;
             break;
         }
         case USCRIPT_JAPANESE:
         {
             //'Beautiful Japanese'
-            static const sal_Unicode aJa[] = {
-                0x7F8E, 0x3057, 0x3044, 0x65E5, 0x672C, 0x8A9E
-            };
-            sSampleText = OUString(aJa, SAL_N_ELEMENTS(aJa));
+            static constexpr OUStringLiteral aJa =
+                u"\u7F8E\u3057\u3044\u65E5\u672C\u8A9E";
+            sSampleText = aJa;
             break;
         }
         case USCRIPT_JAMO:
@@ -562,11 +524,10 @@ static OUString makeRepresentativeTextForScript(UScriptCode eScript)
         case USCRIPT_HANGUL:
         {
             //The essential condition for...
-            static const sal_Unicode aKo[] = {
-                0xD0A4, 0xC2A4, 0xC758, 0x0020, 0xACE0, 0xC720, 0xC870,
-                0xAC74, 0xC740
-            };
-            sSampleText = OUString(aKo, SAL_N_ELEMENTS(aKo));
+            static constexpr OUStringLiteral aKo =
+                u"\uD0A4\uC2A4\uC758 \uACE0\uC720\uC870"
+                "\uAC74\uC740";
+            sSampleText = aKo;
             break;
         }
         default:
@@ -585,18 +546,16 @@ OUString makeShortMinimalTextForScript(UScriptCode eScript)
     {
         case USCRIPT_GREEK:
         {
-            static const sal_Unicode aGrek[] = {
-                0x0391, 0x0392
-            };
-            sSampleText = OUString(aGrek, SAL_N_ELEMENTS(aGrek));
+            static constexpr OUStringLiteral aGrek =
+                u"\u0391\u0392";
+            sSampleText = aGrek;
             break;
         }
         case USCRIPT_HEBREW:
         {
-            static const sal_Unicode aHebr[] = {
-                0x05D0, 0x05D1
-            };
-            sSampleText = OUString(aHebr, SAL_N_ELEMENTS(aHebr));
+            static constexpr OUStringLiteral aHebr =
+                u"\u05D0\u05D1";
+            sSampleText = aHebr;
             break;
         }
         default:
@@ -638,11 +597,10 @@ static OUString makeRepresentativeTextForLanguage(LanguageType eLang)
         sRet = makeRepresentativeTextForScript(USCRIPT_DEVANAGARI);
     else if( pri == primary(LANGUAGE_ASSAMESE) )
     {
-        static const sal_Unicode aAs[] = {
-            0x0985, 0x09B8, 0x09AE, 0x09C0, 0x09AF, 0x09BC, 0x09BE,
-            0x0020, 0x0986, 0x0996, 0x09F0
-        };
-        sRet = OUString(aAs, SAL_N_ELEMENTS(aAs));
+        static constexpr OUStringLiteral aAs =
+            u"\u0985\u09B8\u09AE\u09C0\u09AF\u09BC\u09BE"
+            " \u0986\u0996\u09F0";
+        sRet = aAs;
     }
     else if( pri == primary(LANGUAGE_BENGALI) )
         sRet = makeRepresentativeTextForScript(USCRIPT_BENGALI);
@@ -696,10 +654,9 @@ static OUString makeRepresentativeTextForLanguage(LanguageType eLang)
         sRet = makeRepresentativeTextForScript(USCRIPT_YI);
     else if( pri == primary(LANGUAGE_GAELIC_IRELAND) )
     {
-        static const sal_Unicode aGa[] = {
-            'T', 0x00E9, 'a', 'c', 's', ' ', 'S', 'a', 'm', 'p', 'l', 'a', 'c', 'h'
-        };
-        sRet = OUString(aGa, SAL_N_ELEMENTS(aGa));
+        static constexpr OUStringLiteral aGa =
+            u"T\u00E9acs Samplach";
+        sRet = aGa;
     }
 
     return sRet;
@@ -1234,23 +1191,19 @@ namespace
 
             bool bKore = false, bJpan = false, bHant = false, bHans = false;
 
-            static const sal_Unicode aKorean[] = { 0x4E6D, 0x4E76, 0x596C };
-            OUString sKorean(aKorean, SAL_N_ELEMENTS(aKorean));
+            static constexpr OUStringLiteral sKorean = u"\u4E6D\u4E76\u596C";
             if (-1 == rDevice.HasGlyphs(rFont, sKorean))
                 bKore = true;
 
-            static const sal_Unicode aJapanese[] = { 0x5968, 0x67A0, 0x9D8F };
-            OUString sJapanese(aJapanese, SAL_N_ELEMENTS(aJapanese));
+            static constexpr OUStringLiteral sJapanese = u"\u5968\u67A0\u9D8F";
             if (-1 == rDevice.HasGlyphs(rFont, sJapanese))
                 bJpan = true;
 
-            static const sal_Unicode aTraditionalChinese[] = { 0x555F, 0x96DE };
-            OUString sTraditionalChinese(aTraditionalChinese, SAL_N_ELEMENTS(aTraditionalChinese));
+            static constexpr OUStringLiteral sTraditionalChinese = u"\u555F\u96DE";
             if (-1 == rDevice.HasGlyphs(rFont, sTraditionalChinese))
                 bHant = true;
 
-            static const sal_Unicode aSimplifiedChinese[] = { 0x4E61, 0x542F, 0x5956 };
-            OUString sSimplifiedChinese(aSimplifiedChinese, SAL_N_ELEMENTS(aSimplifiedChinese));
+            static constexpr OUStringLiteral sSimplifiedChinese = u"\u4E61\u542F\u5956";
             if (-1 == rDevice.HasGlyphs(rFont, sSimplifiedChinese))
                 bHans = true;
 
diff --git a/sw/qa/core/uwriter.cxx b/sw/qa/core/uwriter.cxx
index 02202d6fe8e2..ee394002e115 100644
--- a/sw/qa/core/uwriter.cxx
+++ b/sw/qa/core/uwriter.cxx
@@ -287,15 +287,13 @@ void SwDocTest::testUserPerceivedCharCount()
 
     //Grapheme example, two different unicode code-points perceived by the user as a single
     //glyph
-    const sal_Unicode ALEF_QAMATS [] = { 0x05D0, 0x05B8 };
-    OUString sALEF_QAMATS(ALEF_QAMATS, SAL_N_ELEMENTS(ALEF_QAMATS));
+    static constexpr OUStringLiteral sALEF_QAMATS = u"\u05D0\u05B8";
     sal_Int32 nGraphemeCount = pBreakIter->getGraphemeCount(sALEF_QAMATS);
     CPPUNIT_ASSERT_EQUAL_MESSAGE("Grapheme Count should be 1", static_cast<sal_Int32>(1), nGraphemeCount);
 
     //Surrogate pair example, one single unicode code-point (U+1D11E)
     //represented as two code units in UTF-16
-    const sal_Unicode GCLEF[] = { 0xD834, 0xDD1E };
-    OUString sGCLEF(GCLEF, SAL_N_ELEMENTS(GCLEF));
+    static constexpr OUStringLiteral sGCLEF = u"\U0001D11E";
     sal_Int32 nCount = pBreakIter->getGraphemeCount(sGCLEF);
     CPPUNIT_ASSERT_EQUAL_MESSAGE("Surrogate Pair should be counted as single character", static_cast<sal_Int32>(1), nCount);
 }
@@ -616,10 +614,9 @@ void SwDocTest::testSwScanner()
 
     //See https://www.libreoffice.org/bugzilla/show_bug.cgi?id=45271
     {
-        const sal_Unicode IDEOGRAPHICFULLSTOP_D[] = { 0x3002, 'D' };
+        static constexpr OUStringLiteral IDEOGRAPHICFULLSTOP_D = u"\u3002D";
 
-        m_pDoc->getIDocumentContentOperations().InsertString(aPaM, OUString(IDEOGRAPHICFULLSTOP_D,
-            SAL_N_ELEMENTS(IDEOGRAPHICFULLSTOP_D)));
+        m_pDoc->getIDocumentContentOperations().InsertString(aPaM, IDEOGRAPHICFULLSTOP_D);
 
         SvxLanguageItem aCJKLangItem( LANGUAGE_CHINESE_SIMPLIFIED, RES_CHRATR_CJK_LANGUAGE );
         SvxLanguageItem aWestLangItem( LANGUAGE_ENGLISH_US, RES_CHRATR_LANGUAGE );
@@ -628,34 +625,31 @@ void SwDocTest::testSwScanner()
 
         SwDocStat aDocStat;
         pTextNode = aPaM.GetNode().GetTextNode();
-        pTextNode->CountWords(aDocStat, 0, SAL_N_ELEMENTS(IDEOGRAPHICFULLSTOP_D));
+        pTextNode->CountWords(aDocStat, 0, IDEOGRAPHICFULLSTOP_D.getLength());
 
         CPPUNIT_ASSERT_EQUAL(static_cast<sal_uLong>(2), aDocStat.nChar);
         CPPUNIT_ASSERT_EQUAL(static_cast<sal_uLong>(2), aDocStat.nCharExcludingSpaces);
     }
     {
-        const sal_Unicode test[] =
-        {
-            0x3053, 0x306E, 0x65E5, 0x672C, 0x8A9E, 0x306F, 0x6B63, 0x3057,
-            0x304F, 0x6570, 0x3048, 0x3089, 0x308C, 0x308B, 0x3067, 0x3057,
-            0x3087, 0x3046, 0x304B, 0x3002, 0x0041, 0x006E, 0x0064, 0x0020,
-            0x006C, 0x0065, 0x0074, 0x0027, 0x0073, 0x0020, 0x0074, 0x0068,
-            0x0072, 0x006F, 0x0077, 0x0020, 0x0073, 0x006F, 0x006D, 0x0065,
-            0x0020, 0x0045, 0x006E, 0x0067, 0x006C, 0x0069, 0x0073, 0x0068,
-            0x0020, 0x0069, 0x006E, 0x0020, 0x0074, 0x006F, 0x0020, 0x006D,
-            0x0061, 0x006B, 0x0065, 0x0020, 0x0069, 0x0074, 0x0020, 0x0069,
-            0x006E, 0x0074, 0x0065, 0x0072, 0x0065, 0x0073, 0x0074, 0x0069,
-            0x006E, 0x0067, 0x002E, 0x0020, 0x0020, 0x305D, 0x3057, 0x3066,
-            0x3001, 0x307E, 0x305F, 0x65E5, 0x672C, 0x8A9E, 0x3000, 0x3000,
-            0x3067, 0x3082, 0x4ECA, 0x56DE, 0x306F, 0x7A7A, 0x767D, 0x3092,
-            0x3000, 0x3000, 0x5165, 0x308C, 0x307E, 0x3057, 0x305F, 0x3002,
-            0x0020, 0x0020, 0x0053, 0x006F, 0x0020, 0x0068, 0x006F, 0x0077,
-            0x0020, 0x0064, 0x006F, 0x0065, 0x0073, 0x0020, 0x0074, 0x0068,
-            0x0069, 0x0073, 0x0020, 0x0064, 0x006F, 0x003F, 0x0020, 0x0020
-        };
+        static constexpr OUStringLiteral test =
+            u"\u3053\u306E\u65E5\u672C\u8A9E\u306F\u6B63\u3057"
+            "\u304F\u6570\u3048\u3089\u308C\u308B\u3067\u3057"
+            "\u3087\u3046\u304B\u3002And "
+            "let's th"
+            "row some"
+            " English"
+            " in to m"
+            "ake it i"
+            "nteresti"
+            "ng.  \u305D\u3057\u3066"
+            "\u3001\u307E\u305F\u65E5\u672C\u8A9E\u3000\u3000"
+            "\u3067\u3082\u4ECA\u56DE\u306F\u7A7A\u767D\u3092"
+            "\u3000\u3000\u5165\u308C\u307E\u3057\u305F\u3002"
+            "  So how"
+            " does th"
+            "is do?  ";
         m_pDoc->getIDocumentContentOperations().AppendTextNode(*aPaM.GetPoint());
-        m_pDoc->getIDocumentContentOperations().InsertString(aPaM, OUString(test,
-            SAL_N_ELEMENTS(test)));
+        m_pDoc->getIDocumentContentOperations().InsertString(aPaM, test);
 
         SvxLanguageItem aCJKLangItem( LANGUAGE_JAPANESE, RES_CHRATR_CJK_LANGUAGE );
         SvxLanguageItem aWestLangItem( LANGUAGE_ENGLISH_US, RES_CHRATR_LANGUAGE );
@@ -664,7 +658,7 @@ void SwDocTest::testSwScanner()
 
         SwDocStat aDocStat;
         pTextNode = aPaM.GetNode().GetTextNode();
-        pTextNode->CountWords(aDocStat, 0, SAL_N_ELEMENTS(test));
+        pTextNode->CountWords(aDocStat, 0, test.getLength());
         CPPUNIT_ASSERT_EQUAL_MESSAGE("words", static_cast<sal_uLong>(58), aDocStat.nWord);
         CPPUNIT_ASSERT_EQUAL_MESSAGE("Asian characters and Korean syllables", static_cast<sal_uLong>(43), aDocStat.nAsianWord);
         CPPUNIT_ASSERT_EQUAL_MESSAGE("non-whitespace chars", static_cast<sal_uLong>(105), aDocStat.nCharExcludingSpaces);
@@ -676,34 +670,31 @@ void SwDocTest::testSwScanner()
     {
         SwDocStat aDocStat;
 
-        const sal_Unicode aShouldBeThree[] = {
-            0x0053, 0x0068, 0x006F, 0x0075, 0x006C, 0x0064, 0x0020,
-            0x2018, 0x0062, 0x0065, 0x0020, 0x0074, 0x0068, 0x0072,
-            0x0065, 0x0065, 0x2019
-        };
+        static constexpr OUStringLiteral aShouldBeThree =
+            u"Should "
+            "\u2018be thr"
+            "ee\u2019";
 
         m_pDoc->getIDocumentContentOperations().AppendTextNode(*aPaM.GetPoint());
-        m_pDoc->getIDocumentContentOperations().InsertString(aPaM, OUString(aShouldBeThree, SAL_N_ELEMENTS(aShouldBeThree)));
+        m_pDoc->getIDocumentContentOperations().InsertString(aPaM, aShouldBeThree);
         pTextNode = aPaM.GetNode().GetTextNode();
-        pTextNode->CountWords(aDocStat, 0, SAL_N_ELEMENTS(aShouldBeThree));
+        pTextNode->CountWords(aDocStat, 0, aShouldBeThree.getLength());
         CPPUNIT_ASSERT_EQUAL(static_cast<sal_uLong>(3), aDocStat.nWord);
 
-        const sal_Unicode aShouldBeFive[] = {
-            // f    r       e       n       c       h       space
-            0x0046, 0x0072, 0x0065, 0x006E, 0x0063, 0x0068, 0x0020,
-            // <<   nbsp    s       a       v       o       i
-            0x00AB, 0x00A0, 0x0073, 0x0061, 0x0076, 0x006F, 0x0069,
-            // r    nnbsp   c       a       l       c       u
-            0x0072, 0x202f, 0x0063, 0x0061, 0x006C, 0x0063, 0x0075,
-            // l    e       r       idspace >>
-            0x006C, 0x0065, 0x0072, 0x3000, 0x00BB
-        };
+        static constexpr OUStringLiteral aShouldBeFive =
+            u"french "
+            // <<   nbsp
+            "\u00AB\u00A0savoi"
+            // nnbsp
+            "r\u202fcalcu"
+            //   idspace >>
+            "ler\u3000\u00BB";
 
         m_pDoc->getIDocumentContentOperations().AppendTextNode(*aPaM.GetPoint());
-        m_pDoc->getIDocumentContentOperations().InsertString(aPaM, OUString(aShouldBeFive, SAL_N_ELEMENTS(aShouldBeFive)));
+        m_pDoc->getIDocumentContentOperations().InsertString(aPaM, aShouldBeFive);
         pTextNode = aPaM.GetNode().GetTextNode();
         aDocStat.Reset();
-        pTextNode->CountWords(aDocStat, 0, SAL_N_ELEMENTS(aShouldBeFive));
+        pTextNode->CountWords(aDocStat, 0, aShouldBeFive.getLength());
         CPPUNIT_ASSERT_EQUAL(static_cast<sal_uLong>(5), aDocStat.nWord);
     }
 
@@ -934,8 +925,7 @@ void SwDocTest::testSwScanner()
                        aDocStat.nChar == 15);
         aDocStat.Reset();
 
-        const sal_Unicode aChunk[] = {' ', 0x2013, ' '};
-        OUString sChunk(aChunk, SAL_N_ELEMENTS(aChunk));
+        static constexpr OUStringLiteral sChunk = u" \u2013 ";
         m_pDoc->getIDocumentContentOperations().AppendTextNode(*aPaM.GetPoint());
         m_pDoc->getIDocumentContentOperations().InsertString(aPaM, sTemplate.replaceAll("X", sChunk));
         pTextNode = aPaM.GetNode().GetTextNode();
diff --git a/sw/qa/extras/ooxmlexport/ooxmlexport10.cxx b/sw/qa/extras/ooxmlexport/ooxmlexport10.cxx
index 626157e803dd..45f9a46000e1 100644
--- a/sw/qa/extras/ooxmlexport/ooxmlexport10.cxx
+++ b/sw/qa/extras/ooxmlexport/ooxmlexport10.cxx
@@ -881,10 +881,10 @@ DECLARE_OOXMLEXPORT_TEST(testTdf65955_2, "tdf65955_2.odt")
 
 DECLARE_OOXMLEXPORT_TEST(testChtOutlineNumberingOoxml, "chtoutline.docx")
 {
-    const sal_Unicode aExpectedNumbering[] = { 0x7b2c, ' ', '1', ' ', 0x7ae0 };
+    static constexpr OUStringLiteral aExpectedNumbering = u"\u7b2c 1 \u7ae0";
 
     uno::Reference<beans::XPropertySet> xPara(getParagraph(1), uno::UNO_QUERY);
-    CPPUNIT_ASSERT_EQUAL(OUString(aExpectedNumbering,SAL_N_ELEMENTS(aExpectedNumbering)),
+    CPPUNIT_ASSERT_EQUAL(OUString(aExpectedNumbering),
         getProperty<OUString>(xPara, "ListLabelString"));
 }
 
diff --git a/sw/qa/extras/ooxmlimport/ooxmlimport2.cxx b/sw/qa/extras/ooxmlimport/ooxmlimport2.cxx
index b0589b913248..f7114235cc77 100644
--- a/sw/qa/extras/ooxmlimport/ooxmlimport2.cxx
+++ b/sw/qa/extras/ooxmlimport/ooxmlimport2.cxx
@@ -669,10 +669,9 @@ DECLARE_OOXMLIMPORT_TEST(testTdf129912, "tdf129912.docx")
 
     // the expected footnote labels
     // TODO: the 5th label is actually wrong (missing the "PR" after the symbol part), but the "b" is there?!
-    const sal_Unicode pLabel5[] = { u'\xF0D1', u'\xF031', u'\xF032', u'\x0062' };
-    const OUString sFootnoteLabels[] = {
-        OUString(u'\xF0A7'), "1", "2", OUString(u'\xF020'), { pLabel5, SAL_N_ELEMENTS(pLabel5) }
-    };
+    static constexpr OUStringLiteral pLabel5 = u"\uF0D1\uF031\uF032b";
+    const OUString sFootnoteLabels[]
+        = { OUString(u'\xF0A7'), "1", "2", OUString(u'\xF020'), pLabel5 };
     CPPUNIT_ASSERT_EQUAL(sal_Int32(SAL_N_ELEMENTS(sFootnoteLabels)), nCount);
 
     pWrtShell->GotoPrevFootnoteAnchor();
diff --git a/sw/qa/extras/rtfimport/rtfimport.cxx b/sw/qa/extras/rtfimport/rtfimport.cxx
index 4749fa3acf6f..ae99eab0d49a 100644
--- a/sw/qa/extras/rtfimport/rtfimport.cxx
+++ b/sw/qa/extras/rtfimport/rtfimport.cxx
@@ -1093,10 +1093,10 @@ CPPUNIT_TEST_FIXTURE(Test, testCp950listleveltext1)
     load(mpTestDocumentPath, "cp950listleveltext1.rtf");
     // suffix with Chinese only ( most common case generated by MSO2010 TC)
     // This is a dot that is generally used as suffix of Chinese list number
-    const sal_Unicode aExpectedNumbering[] = { 0x4e00, 0x3001 };
+    static constexpr OUStringLiteral aExpectedNumbering = u"\u4e00\u3001";
 
     uno::Reference<beans::XPropertySet> xPara(getParagraph(1), uno::UNO_QUERY);
-    CPPUNIT_ASSERT_EQUAL(OUString(aExpectedNumbering, SAL_N_ELEMENTS(aExpectedNumbering)),
+    CPPUNIT_ASSERT_EQUAL(OUString(aExpectedNumbering),
                          getProperty<OUString>(xPara, "ListLabelString"));
 }
 
@@ -1105,10 +1105,10 @@ CPPUNIT_TEST_FIXTURE(Test, testCp950listleveltext2)
 {
     load(mpTestDocumentPath, "cp950listleveltext2.rtf");
     // Prefix and suffix with Chinese only ( tweaked from default in MSO2010 TC)
-    const sal_Unicode aExpectedNumbering[] = { 0x524d, 0x7f6e, 0x7532, 0x3001, 0x5f8c, 0x7f6e };
+    static constexpr OUStringLiteral aExpectedNumbering = u"\u524d\u7f6e\u7532\u3001\u5f8c\u7f6e";
 
     uno::Reference<beans::XPropertySet> xPara(getParagraph(1), uno::UNO_QUERY);
-    CPPUNIT_ASSERT_EQUAL(OUString(aExpectedNumbering, SAL_N_ELEMENTS(aExpectedNumbering)),
+    CPPUNIT_ASSERT_EQUAL(OUString(aExpectedNumbering),
                          getProperty<OUString>(xPara, "ListLabelString"));
 }
 
@@ -1117,11 +1117,11 @@ CPPUNIT_TEST_FIXTURE(Test, testCp950listleveltext3)
 {
     load(mpTestDocumentPath, "cp950listleveltext3.rtf");
     // Numbering is a mix Chinese and English ( tweaked from default in MSO2010 TC)
-    const sal_Unicode aExpectedNumbering[] = { 0x524d, 0x0061, 0x7f6e, 0x0062, 0x7532, 0x3001,
-                                               0x0063, 0x5f8c, 0x0064, 0x7f6e, 0x0065 };
+    static constexpr OUStringLiteral aExpectedNumbering = u"\u524da\u7f6eb\u7532\u3001"
+                                                          "c\u5f8cd\u7f6ee";
 
     uno::Reference<beans::XPropertySet> xPara(getParagraph(1), uno::UNO_QUERY);
-    CPPUNIT_ASSERT_EQUAL(OUString(aExpectedNumbering, SAL_N_ELEMENTS(aExpectedNumbering)),
+    CPPUNIT_ASSERT_EQUAL(OUString(aExpectedNumbering),
                          getProperty<OUString>(xPara, "ListLabelString"));
 }
 
@@ -1129,10 +1129,10 @@ CPPUNIT_TEST_FIXTURE(Test, testChtOutlineNumberingRtf)
 {
     load(mpTestDocumentPath, "chtoutline.rtf");
 
-    const sal_Unicode aExpectedNumbering[] = { 0x7b2c, ' ', '1', ' ', 0x7ae0 };
+    static constexpr OUStringLiteral aExpectedNumbering = u"\u7b2c 1 \u7ae0";
 
     uno::Reference<beans::XPropertySet> xPara(getParagraph(1), uno::UNO_QUERY);
-    CPPUNIT_ASSERT_EQUAL(OUString(aExpectedNumbering, SAL_N_ELEMENTS(aExpectedNumbering)),
+    CPPUNIT_ASSERT_EQUAL(OUString(aExpectedNumbering),
                          getProperty<OUString>(xPara, "ListLabelString"));
 }
 
diff --git a/sw/source/filter/ww8/ww8par3.cxx b/sw/source/filter/ww8/ww8par3.cxx
index b7df7589a5e7..6f2ce9f0aa5f 100644
--- a/sw/source/filter/ww8/ww8par3.cxx
+++ b/sw/source/filter/ww8/ww8par3.cxx
@@ -2400,11 +2400,9 @@ bool WW8FormulaListBox::Import(const uno::Reference <
     }
     else
     {
-        static const sal_Unicode aBlank[] =
-        {
-            0x2002,0x2002,0x2002,0x2002,0x2002
-        };
-        rSz = mrRdr.MiserableDropDownFormHack(OUString(aBlank, SAL_N_ELEMENTS(aBlank)), xPropSet);
+        static constexpr OUStringLiteral aBlank =
+            u"\u2002\u2002\u2002\u2002\u2002";
+        rSz = mrRdr.MiserableDropDownFormHack(aBlank, xPropSet);
     }
 
     return true;
diff --git a/vcl/qa/cppunit/complextext.cxx b/vcl/qa/cppunit/complextext.cxx
index f76dce72f42d..f769fe4688b4 100644
--- a/vcl/qa/cppunit/complextext.cxx
+++ b/vcl/qa/cppunit/complextext.cxx
@@ -141,14 +141,12 @@ void VclComplexTextTest::testKashida()
 
 void VclComplexTextTest::testTdf95650()
 {
-    const sal_Unicode pTxt[] = {
-        0x0131, 0x0302, 0x0504, 0x4E44, 0x3031, 0x3030, 0x3531, 0x2D30,
-        0x3037, 0x0706, 0x0908, 0x0B0A, 0x0D0C, 0x0F0E, 0x072E, 0x100A,
-        0x0D11, 0x1312, 0x0105, 0x020A, 0x0512, 0x1403, 0x030C, 0x1528,
-        0x2931, 0x632E, 0x7074, 0x0D20, 0x0E0A, 0x100A, 0xF00D, 0x0D20,
-        0x030A, 0x0C0B, 0x20E0, 0x0A0D
-    };
-    OUString aTxt(pTxt, SAL_N_ELEMENTS(pTxt) - 1);
+    static constexpr OUStringLiteral aTxt =
+        u"\u0131\u0302\u0504\u4E44\u3031\u3030\u3531\u2D30"
+        "\u3037\u0706\u0908\u0B0A\u0D0C\u0F0E\u072E\u100A"
+        "\u0D11\u1312\u0105\u020A\u0512\u1403\u030C\u1528"
+        "\u2931\u632E\u7074\u0D20\u0E0A\u100A\uF00D\u0D20"
+        "\u030A\u0C0B\u20E0\u0A0D";
     ScopedVclPtrInstance<WorkWindow> pWin(static_cast<vcl::Window *>(nullptr));
     CPPUNIT_ASSERT(pWin);
 
diff --git a/vcl/qa/cppunit/mnemonic.cxx b/vcl/qa/cppunit/mnemonic.cxx
index 59456503b54f..ed4c8a86f61e 100644
--- a/vcl/qa/cppunit/mnemonic.cxx
+++ b/vcl/qa/cppunit/mnemonic.cxx
@@ -40,14 +40,14 @@ void VclMnemonicTest::testMnemonic()
     }
 
     {
-        const sal_Unicode TEST[] = { 0x4E00, 'b' };
-        OUString sResult = aGenerator.CreateMnemonic(OUString(TEST, SAL_N_ELEMENTS(TEST)));
+        static constexpr OUStringLiteral TEST = u"\u4E00b";
+        OUString sResult = aGenerator.CreateMnemonic(TEST);
         CPPUNIT_ASSERT_EQUAL(u'~', sResult[1]);
     }
 
     {
-        const sal_Unicode TEST[] = { 0x4E00 };
-        OUString sResult = aGenerator.CreateMnemonic(OUString(TEST, SAL_N_ELEMENTS(TEST)));
+        static constexpr OUStringLiteral TEST = u"\u4E00";
+        OUString sResult = aGenerator.CreateMnemonic(TEST);
         CPPUNIT_ASSERT_EQUAL(OUString("(~C)"), sResult.copy(sResult.getLength() - 4));
     }
 }


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