Correct reporting of compressed texture formats and shader binary formats

gpu/command_buffer/common/gles2_cmd_utils_unittest.cc

 // Copyright (c) 2011 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 "gpu/command_buffer/common/gles2_cmd_utils.h"
 
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
 #include <GLES2/gles2_command_buffer.h>
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace gpu {
 namespace gles2 {
 
 class GLES2UtilTest : public testing:: Test {
- public:
-  GLES2UtilTest()
-      : util_(0) {
-  }
-
  protected:
   GLES2Util util_;
 };
 
+TEST_F(GLES2UtilTest, GLGetNumValuesReturned) {
+  EXPECT_EQ(0, util_.GLGetNumValuesReturned(GL_COMPRESSED_TEXTURE_FORMATS));
+  EXPECT_EQ(0, util_.GLGetNumValuesReturned(GL_SHADER_BINARY_FORMATS));
+
+  EXPECT_EQ(0, util_.num_compressed_texture_formats());
+  EXPECT_EQ(0, util_.num_shader_binary_formats());
+
+  util_.set_num_compressed_texture_formats(1);
+  util_.set_num_shader_binary_formats(2);
+
+  EXPECT_EQ(1, util_.GLGetNumValuesReturned(GL_COMPRESSED_TEXTURE_FORMATS));
+  EXPECT_EQ(2, util_.GLGetNumValuesReturned(GL_SHADER_BINARY_FORMATS));
+
+  EXPECT_EQ(1, util_.num_compressed_texture_formats());
+  EXPECT_EQ(2, util_.num_shader_binary_formats());
+}
+
 TEST_F(GLES2UtilTest, ComputeImageDataSizeFormats) {
   const uint32 kWidth = 16;
   const uint32 kHeight = 12;
   uint32 size;
   EXPECT_TRUE(GLES2Util::ComputeImageDataSize(
       kWidth, kHeight, GL_RGB, GL_UNSIGNED_BYTE, 1, &size));
   EXPECT_EQ(kWidth * kHeight * 3, size);
   EXPECT_TRUE(GLES2Util::ComputeImageDataSize(
       kWidth, kHeight, GL_RGBA, GL_UNSIGNED_BYTE, 1, &size));
   EXPECT_EQ(kWidth * kHeight * 4, size);
@@ skipping 53 matching lines @@
             kWidth * 3, size);
   EXPECT_TRUE(GLES2Util::ComputeImageDataSize(
       kWidth, kHeight, GL_RGB, GL_UNSIGNED_BYTE, 8, &size));
   EXPECT_EQ((kWidth * 3 + 7) * (kHeight - 1) +
             kWidth * 3, size);
 }
 
 }  // namespace gles2
 }  // namespace gpu