GL Implementation for GPU Discardable

gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.cc b/gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.cc
index f406797044929a09994165ae752da389cf5ae936..4bc8db68ddd1fa8fed2216893e86c6e6432e618a 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.cc
@@ -21,6 +21,7 @@
 #include "gpu/command_buffer/service/mailbox_manager.h"
 #include "gpu/command_buffer/service/mocks.h"
 #include "gpu/command_buffer/service/program_manager.h"
+#include "gpu/command_buffer/service/service_discardable_manager.h"
 #include "gpu/command_buffer/service/test_helper.h"
 #include "gpu/config/gpu_switches.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ -4859,6 +4860,38 @@ TEST_P(WebGL2DecoderTest, TexSwizzleDisabled) {
   }
 }
 
+TEST_P(GLES2DecoderTest, TestInitDiscardableTexture) {
+  EXPECT_EQ(0u, group().discardable_manager()->NumCacheEntriesForTesting());
+  DoInitializeDiscardableTextureCHROMIUM(client_texture_id_);
+  EXPECT_EQ(1u, group().discardable_manager()->NumCacheEntriesForTesting());
+}
+
+TEST_P(GLES2DecoderTest, TestInitInvalidDiscardableTexture) {
+  EXPECT_EQ(0u, group().discardable_manager()->NumCacheEntriesForTesting());
+  DoInitializeDiscardableTextureCHROMIUM(0);
+  EXPECT_EQ(0u, group().discardable_manager()->NumCacheEntriesForTesting());
+  EXPECT_EQ(GL_INVALID_VALUE, GetGLError());
+}
+
+TEST_P(GLES2DecoderTest, TestUnlockDiscardableTexture) {
+  const ContextGroup& context_group = group();
+  EXPECT_EQ(0u, group().discardable_manager()->NumCacheEntriesForTesting());
+  DoInitializeDiscardableTextureCHROMIUM(client_texture_id_);
+  EXPECT_TRUE(context_group.discardable_manager()->IsEntryLockedForTesting(
+      client_texture_id_, &context_group));
+  DoUnlockDiscardableTextureCHROMIUM(client_texture_id_);
+  EXPECT_FALSE(context_group.discardable_manager()->IsEntryLockedForTesting(
+      client_texture_id_, &context_group));
+}
+
+TEST_P(GLES2DecoderTest, TestDeleteDiscardableTexture) {
+  EXPECT_EQ(0u, group().discardable_manager()->NumCacheEntriesForTesting());
+  DoInitializeDiscardableTextureCHROMIUM(client_texture_id_);
+  EXPECT_EQ(1u, group().discardable_manager()->NumCacheEntriesForTesting());
+  DoDeleteTexture(client_texture_id_, kServiceTextureId);
+  EXPECT_EQ(0u, group().discardable_manager()->NumCacheEntriesForTesting());
+}
+
 // TODO(gman): Complete this test.
 // TEST_P(GLES2DecoderTest, CompressedTexImage2DGLError) {
 // }