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 flags;
+  EXPECT_EQ(flags.flags(), 0u);
+
+  // Test SetFlags().
+  GpuFeatureFlags flags2;
+  flags2.set_flags(GpuFeatureFlags::kGpuFeatureAcceleratedCompositing |
+                   GpuFeatureFlags::kGpuFeatureWebgl);
+  EXPECT_EQ(flags2.flags(),
+            static_cast<uint32>(
+                GpuFeatureFlags::kGpuFeatureAcceleratedCompositing |
+                GpuFeatureFlags::kGpuFeatureWebgl));
+
+  // Test Combine() is basically OR operation per flag.
+  flags.set_flags(GpuFeatureFlags::kGpuFeatureAccelerated2dCanvas);
+  flags.Combine(flags2);
+  EXPECT_EQ(flags.flags(),
+            static_cast<uint32>(
+                GpuFeatureFlags::kGpuFeatureAccelerated2dCanvas |
+                GpuFeatureFlags::kGpuFeatureAcceleratedCompositing |
+                GpuFeatureFlags::kGpuFeatureWebgl));
+
+  // Test the currently supported feature set.
+  flags.set_flags(GpuFeatureFlags::kGpuFeatureAll);
+  EXPECT_EQ(flags.flags(),
+            static_cast<uint32>(
+                GpuFeatureFlags::kGpuFeatureAccelerated2dCanvas |
+                GpuFeatureFlags::kGpuFeatureAcceleratedCompositing |
+                GpuFeatureFlags::kGpuFeatureWebgl));
+
+  // 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("all"),
+            GpuFeatureFlags::kGpuFeatureAll);
+  EXPECT_EQ(GpuFeatureFlags::StringToGpuFeatureType("xxx"),
+            GpuFeatureFlags::kGpuFeatureUnknown);
+}
+