[Mesa-dev] [PATCH 2/2] mesa: Add test for sorted extension table

[Nanley Chery]

From: Nanley Chery <nanley.g.chery at intel.com>

Enable developers to know if the table's alphabetical sorting
is maintained or lost.

Signed-off-by: Nanley Chery <nanley.g.chery at intel.com>
---
 src/mesa/main/extensions.h              |  1 +
 src/mesa/main/tests/Makefile.am         |  1 +
 src/mesa/main/tests/mesa_extensions.cpp | 47 +++++++++++++++++++++++++++++++++
 3 files changed, 49 insertions(+)
 create mode 100644 src/mesa/main/tests/mesa_extensions.cpp

diff --git a/src/mesa/main/extensions.h b/src/mesa/main/extensions.h
index 1615e1c..7114c96 100644
--- a/src/mesa/main/extensions.h
+++ b/src/mesa/main/extensions.h
@@ -85,6 +85,7 @@ enum {
 #define EXT(name_str, ...) MESA_EXTENSION_##name_str,
 #include "extensions_table.h"
 #undef EXT
+   MESA_EXTENSION_COUNT
 };
 
 
diff --git a/src/mesa/main/tests/Makefile.am b/src/mesa/main/tests/Makefile.am
index bd7ab73..d6977e2 100644
--- a/src/mesa/main/tests/Makefile.am
+++ b/src/mesa/main/tests/Makefile.am
@@ -27,6 +27,7 @@ AM_CPPFLAGS += -DHAVE_SHARED_GLAPI
 main_test_SOURCES +=			\
 	dispatch_sanity.cpp		\
 	mesa_formats.cpp			\
+	mesa_extensions.cpp			\
 	program_state_string.cpp
 
 main_test_LDADD += \
diff --git a/src/mesa/main/tests/mesa_extensions.cpp b/src/mesa/main/tests/mesa_extensions.cpp
new file mode 100644
index 0000000..5154ae1
--- /dev/null
+++ b/src/mesa/main/tests/mesa_extensions.cpp
@@ -0,0 +1,47 @@
+/*
+ * Copyright © 2015 Intel Corporation
+ *
+ * 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.
+ */
+
+/**
+ * \name mesa_extensions.cpp
+ *
+ * Verify that the extensions table is sorted.
+ *
+ */
+
+#include <gtest/gtest.h>
+#include "main/mtypes.h"
+#include "main/extensions.h"
+
+/**
+ * Debug/test: verify the extension table is alphabetically sorted.
+ */
+TEST(MesaExtensionsTest, AlphabeticallySorted)
+{
+   for (int i = 0; i < MESA_EXTENSION_COUNT - 1; ++i) {
+      const char * current_str = _mesa_extension_table[i].name;
+      const char * next_str = _mesa_extension_table[i+1].name;
+
+      /* We expect the extension table to be alphabetically sorted */
+      ASSERT_LT(strcmp(current_str, next_str), 0);
+   }
+}
-- 
2.6.2