Index: gpu/command_buffer/service/shader_translator_cache_unittest.cc |
diff --git a/gpu/command_buffer/service/shader_translator_cache_unittest.cc b/gpu/command_buffer/service/shader_translator_cache_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..c5233e510e8351a54ae36d65f97a07345cea8429 |
--- /dev/null |
+++ b/gpu/command_buffer/service/shader_translator_cache_unittest.cc |
@@ -0,0 +1,56 @@ |
+// Copyright (c) 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include <GLES2/gl2.h> |
+ |
+#include "gpu/command_buffer/service/shader_translator_cache.h" |
+#include "testing/gtest/include/gtest/gtest.h" |
+ |
+namespace gpu { |
+namespace gles2 { |
+ |
+TEST(ShaderTranslatorCacheTest, InitParamComparable) { |
+ // Tests that ShaderTranslatorInitParams padding or padding of its |
+ // members does not affect the object equality or ordering. |
+ |
+ ShBuiltInResources a_resources; |
+ memset(&a_resources, 88, sizeof(a_resources)); |
+ ShInitBuiltInResources(&a_resources); |
+ |
+ ShBuiltInResources b_resources; |
+ memset(&b_resources, 77, sizeof(b_resources)); |
+ ShInitBuiltInResources(&b_resources); |
+ |
+ EXPECT_TRUE(memcmp(&a_resources, &b_resources, sizeof(a_resources)) == 0); |
+ |
+ ShCompileOptions driver_bug_workarounds = SH_VALIDATE; |
+ |
+ char a_storage[sizeof(ShaderTranslatorCache::ShaderTranslatorInitParams)]; |
+ memset(a_storage, 55, sizeof(a_storage)); |
+ ShaderTranslatorCache::ShaderTranslatorInitParams* a = |
+ new (&a_storage) ShaderTranslatorCache::ShaderTranslatorInitParams( |
+ GL_VERTEX_SHADER, |
+ SH_GLES2_SPEC, |
+ a_resources, |
+ ShaderTranslatorInterface::kGlslES, |
+ driver_bug_workarounds); |
+ |
+ ShaderTranslatorCache::ShaderTranslatorInitParams b( |
+ GL_VERTEX_SHADER, |
+ SH_GLES2_SPEC, |
+ b_resources, |
+ ShaderTranslatorInterface::kGlslES, |
+ driver_bug_workarounds); |
+ |
+ EXPECT_TRUE(*a == b); |
+ EXPECT_FALSE(*a < b || b < *a); |
+ |
+ memset(a_storage, 55, sizeof(a_storage)); |
+ a = new (&a_storage) ShaderTranslatorCache::ShaderTranslatorInitParams(b); |
+ |
+ EXPECT_TRUE(*a == b); |
+ EXPECT_FALSE(*a < b || b < *a); |
+} |
+} // namespace gles2 |
+} // namespace gpu |