Mesa (main): util: Add tests for u_printf.h

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Module: Mesa
Branch: main
Commit: 1dca31cda653402f048e598559aafe9db9929e03
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=1dca31cda653402f048e598559aafe9db9929e03

Author: Yonggang Luo <luoyonggang at gmail.com>
Date:   Thu Mar 31 02:58:48 2022 +0800

util: Add tests for u_printf.h

Signed-off-by: Yonggang Luo <luoyonggang at gmail.com>
Reviewed-by: Mihai Preda <mhpreda at gmail.com>
Reviewed-by: Jason Ekstrand <jason.ekstrand at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15659>

---

 src/util/meson.build             |  1 +
 src/util/tests/u_printf_test.cpp | 42 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+)

diff --git a/src/util/meson.build b/src/util/meson.build
index 6e77a2f0364..b3c7188bab6 100644
--- a/src/util/meson.build
+++ b/src/util/meson.build
@@ -331,6 +331,7 @@ if with_tests
     'tests/sparse_array_test.cpp',
     'tests/u_atomic_test.cpp',
     'tests/u_debug_stack_test.cpp',
+    'tests/u_printf_test.cpp',
     'tests/u_qsort_test.cpp',
     'tests/vector_test.cpp',
   )
diff --git a/src/util/tests/u_printf_test.cpp b/src/util/tests/u_printf_test.cpp
new file mode 100644
index 00000000000..bb1b126bb05
--- /dev/null
+++ b/src/util/tests/u_printf_test.cpp
@@ -0,0 +1,42 @@
+/*
+ * Copyright © 2022 Yonggang Luo
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <gtest/gtest.h>
+
+#include "util/u_printf.h"
+
+TEST(u_printf_test, util_printf_next_spec_pos)
+{
+   EXPECT_EQ(util_printf_next_spec_pos("%d%d", 0), 1);
+   EXPECT_EQ(util_printf_next_spec_pos("%%d", 0), -1);
+   EXPECT_EQ(util_printf_next_spec_pos("%dd", 0), 1);
+   EXPECT_EQ(util_printf_next_spec_pos("%%%%%%", 0), -1);
+   EXPECT_EQ(util_printf_next_spec_pos("%%%%%%%d", 0), 7);
+   EXPECT_EQ(util_printf_next_spec_pos("abcdef%d", 0), 7);
+   EXPECT_EQ(util_printf_next_spec_pos("abcdef%d", 6), 7);
+   EXPECT_EQ(util_printf_next_spec_pos("abcdef%d", 7), -1);
+   EXPECT_EQ(util_printf_next_spec_pos("abcdef%%", 7), -1);
+   EXPECT_EQ(util_printf_next_spec_pos("abcdef%d%d", 0), 7);
+   EXPECT_EQ(util_printf_next_spec_pos("%rrrrr%d%d", 0), 7);
+   EXPECT_EQ(util_printf_next_spec_pos("%%rrrr%d%d", 0), 7);
+}