Blacklist bad GPU drivers: currenly we disable all gpu related features if th...

chrome/common/gpu_feature_flags_unittest.cc

+// Copyright (c) 2010 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 "chrome/common/gpu_feature_flags.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+TEST(GpuFeatureFlagsTest, GpuFeatureFlagsBasic) {
+  // Test that by default all flags are set to false.
+  GpuFeatureFlags gpu_feature_flags;
+  EXPECT_FALSE(gpu_feature_flags.is_accelerated_2d_canvas_blacklisted());
+  EXPECT_FALSE(gpu_feature_flags.is_accelerated_compositing_blacklisted());
+  EXPECT_FALSE(gpu_feature_flags.is_webgl_blacklisted());
+
+  // Test SetFlags().
+  GpuFeatureFlags gpu_feature_flags2;
+  gpu_feature_flags2.SetFlags(false, true, true);
+  EXPECT_FALSE(gpu_feature_flags2.is_accelerated_2d_canvas_blacklisted());
+  EXPECT_TRUE(gpu_feature_flags2.is_accelerated_compositing_blacklisted());
+  EXPECT_TRUE(gpu_feature_flags2.is_webgl_blacklisted());
+
+  // Test Combine() is basically OR operation per flag.
+  gpu_feature_flags.Combine(gpu_feature_flags2);
+  EXPECT_FALSE(gpu_feature_flags.is_accelerated_2d_canvas_blacklisted());
+  EXPECT_TRUE(gpu_feature_flags.is_accelerated_compositing_blacklisted());
+  EXPECT_TRUE(gpu_feature_flags.is_webgl_blacklisted());
+
+  // Test StringToGpuFeatureType.
+  EXPECT_EQ(GpuFeatureFlags::StringToGpuFeatureType("accelerated_2d_canvas"),
+            GpuFeatureFlags::kGpuFeatureAccelerated2dCanvas);
+  EXPECT_EQ(GpuFeatureFlags::StringToGpuFeatureType("accelerated_compositing"),
+            GpuFeatureFlags::kGpuFeatureAcceleratedCompositing);
+  EXPECT_EQ(GpuFeatureFlags::StringToGpuFeatureType("webgl"),
+            GpuFeatureFlags::kGpuFeatureWebgl);
+  EXPECT_EQ(GpuFeatureFlags::StringToGpuFeatureType("any"),
+            GpuFeatureFlags::kGpuFeatureAny);
+  EXPECT_EQ(GpuFeatureFlags::StringToGpuFeatureType("xxx"),
+            GpuFeatureFlags::kGpuFeatureUnknown);
+}
+