cc/resources/scoped_resource_unittest.cc

   1 // Copyright 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "cc/resources/scoped_resource.h"
   6
   7 #include "cc/output/renderer.h"
   8 #include "cc/test/fake_output_surface.h"
   9 #include "cc/test/fake_output_surface_client.h"
  10 #include "cc/test/fake_resource_provider.h"
  11 #include "cc/test/test_shared_bitmap_manager.h"
  12 #include "testing/gtest/include/gtest/gtest.h"
  13
  14 namespace cc {
  15 namespace {
  16
  17 TEST(ScopedResourceTest, NewScopedResource) {
  18   FakeOutputSurfaceClient output_surface_client;
  19   scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d());
  20   CHECK(output_surface->BindToClient(&output_surface_client));
  21
  22   scoped_ptr<SharedBitmapManager> shared_bitmap_manager(
  23       new TestSharedBitmapManager());
  24   scoped_ptr<ResourceProvider> resource_provider = FakeResourceProvider::Create(
  25       output_surface.get(), shared_bitmap_manager.get());
  26   scoped_ptr<ScopedResource> texture =
  27       ScopedResource::Create(resource_provider.get());
  28
  29   // New scoped textures do not hold a texture yet.
  30   EXPECT_EQ(0u, texture->id());
  31
  32   // New scoped textures do not have a size yet.
  33   EXPECT_EQ(gfx::Size(), texture->size());
  34   EXPECT_EQ(0u, Resource::UncheckedMemorySizeBytes(texture->size(),
  35                                                    texture->format()));
  36 }
  37
  38 TEST(ScopedResourceTest, CreateScopedResource) {
  39   FakeOutputSurfaceClient output_surface_client;
  40   scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d());
  41   CHECK(output_surface->BindToClient(&output_surface_client));
  42
  43   scoped_ptr<SharedBitmapManager> shared_bitmap_manager(
  44       new TestSharedBitmapManager());
  45   scoped_ptr<ResourceProvider> resource_provider = FakeResourceProvider::Create(
  46       output_surface.get(), shared_bitmap_manager.get());
  47   scoped_ptr<ScopedResource> texture =
  48       ScopedResource::Create(resource_provider.get());
  49   texture->Allocate(gfx::Size(30, 30), ResourceProvider::TEXTURE_HINT_IMMUTABLE,
  50                     RGBA_8888);
  51
  52   // The texture has an allocated byte-size now.
  53   size_t expected_bytes = 30 * 30 * 4;
  54   EXPECT_EQ(expected_bytes, Resource::UncheckedMemorySizeBytes(
  55                                 texture->size(), texture->format()));
  56
  57   EXPECT_LT(0u, texture->id());
  58   EXPECT_EQ(static_cast<unsigned>(RGBA_8888), texture->format());
  59   EXPECT_EQ(gfx::Size(30, 30), texture->size());
  60 }
  61
  62 TEST(ScopedResourceTest, ScopedResourceIsDeleted) {
  63   FakeOutputSurfaceClient output_surface_client;
  64   scoped_ptr<OutputSurface> output_surface(FakeOutputSurface::Create3d());
  65   CHECK(output_surface->BindToClient(&output_surface_client));
  66
  67   scoped_ptr<SharedBitmapManager> shared_bitmap_manager(
  68       new TestSharedBitmapManager());
  69   scoped_ptr<ResourceProvider> resource_provider = FakeResourceProvider::Create(
  70       output_surface.get(), shared_bitmap_manager.get());
  71   {
  72     scoped_ptr<ScopedResource> texture =
  73         ScopedResource::Create(resource_provider.get());
  74
  75     EXPECT_EQ(0u, resource_provider->num_resources());
  76     texture->Allocate(gfx::Size(30, 30),
  77                       ResourceProvider::TEXTURE_HINT_IMMUTABLE, RGBA_8888);
  78     EXPECT_LT(0u, texture->id());
  79     EXPECT_EQ(1u, resource_provider->num_resources());
  80   }
  81
  82   EXPECT_EQ(0u, resource_provider->num_resources());
  83   {
  84     scoped_ptr<ScopedResource> texture =
  85         ScopedResource::Create(resource_provider.get());
  86     EXPECT_EQ(0u, resource_provider->num_resources());
  87     texture->Allocate(gfx::Size(30, 30),
  88                       ResourceProvider::TEXTURE_HINT_IMMUTABLE, RGBA_8888);
  89     EXPECT_LT(0u, texture->id());
  90     EXPECT_EQ(1u, resource_provider->num_resources());
  91     texture->Free();
  92     EXPECT_EQ(0u, resource_provider->num_resources());
  93   }
  94 }
  95
  96 }  // namespace
  97 }  // namespace cc