1 files changed, 78 insertions, 0 deletions
diff --git a/gpu/command_buffer/client/gles2_implementation_unittest.cc b/gpu/command_buffer/client/gles2_implementation_unittest.cc
index 2d69fce..9643b55 100644
--- a/gpu/command_buffer/client/gles2_implementation_unittest.cc
+++ b/gpu/command_buffer/client/gles2_implementation_unittest.cc
@@ -1232,6 +1232,84 @@ TEST_F(GLES2ImplementationTest, GetProgramInfoCHROMIUMBadArgs) {
   EXPECT_EQ(static_cast<GLenum>(GL_INVALID_VALUE), gl_->GetError());
 }
 
+// Test that things are cached
+TEST_F(GLES2ImplementationTest, GetIntegerCacheRead) {
+  struct PNameValue {
+    GLenum pname;
+    GLint expected;
+  };
+  const PNameValue pairs[] = {
+    { GL_ACTIVE_TEXTURE, GL_TEXTURE0, },
+    { GL_TEXTURE_BINDING_2D, 0, },
+    { GL_TEXTURE_BINDING_CUBE_MAP, 0, },
+    { GL_FRAMEBUFFER_BINDING, 0, },
+    { GL_RENDERBUFFER_BINDING, 0, },
+    { GL_ARRAY_BUFFER_BINDING, 0, },
+    { GL_ELEMENT_ARRAY_BUFFER_BINDING, 0, },
+    { GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, kMaxCombinedTextureImageUnits, },
+    { GL_MAX_CUBE_MAP_TEXTURE_SIZE, kMaxCubeMapTextureSize, },
+    { GL_MAX_FRAGMENT_UNIFORM_VECTORS, kMaxFragmentUniformVectors, },
+    { GL_MAX_RENDERBUFFER_SIZE, kMaxRenderbufferSize, },
+    { GL_MAX_TEXTURE_IMAGE_UNITS, kMaxTextureImageUnits, },
+    { GL_MAX_TEXTURE_SIZE, kMaxTextureSize, },
+    { GL_MAX_VARYING_VECTORS, kMaxVaryingVectors, },
+    { GL_MAX_VERTEX_ATTRIBS, kMaxVertexAttribs, },
+    { GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, kMaxVertexTextureImageUnits, },
+    { GL_MAX_VERTEX_UNIFORM_VECTORS, kMaxVertexUniformVectors, },
+    { GL_NUM_COMPRESSED_TEXTURE_FORMATS, kNumCompressedTextureFormats, },
+    { GL_NUM_SHADER_BINARY_FORMATS, kNumShaderBinaryFormats, },
+  };
+  size_t num_pairs = sizeof(pairs) / sizeof(pairs[0]);
+  for (size_t ii = 0; ii < num_pairs; ++ii) {
+    const PNameValue& pv = pairs[ii];
+    GLint v = -1;
+    gl_->GetIntegerv(pv.pname, &v);
+    EXPECT_TRUE(NoCommandsWritten());
+    EXPECT_EQ(pv.expected, v);
+  }
+
+  EXPECT_CALL(*command_buffer_, OnFlush(_))
+      .WillOnce(SetMemory(GLuint(GL_NO_ERROR)))
+      .RetiresOnSaturation();
+  EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), gl_->GetError());
+}
+
+TEST_F(GLES2ImplementationTest, GetIntegerCacheWrite) {
+  struct PNameValue {
+    GLenum pname;
+    GLint expected;
+  };
+  gl_->ActiveTexture(GL_TEXTURE4);
+  gl_->BindBuffer(GL_ARRAY_BUFFER, 2);
+  gl_->BindBuffer(GL_ELEMENT_ARRAY_BUFFER, 3);
+  gl_->BindFramebuffer(GL_FRAMEBUFFER, 4);
+  gl_->BindRenderbuffer(GL_RENDERBUFFER, 5);
+  gl_->BindTexture(GL_TEXTURE_2D, 6);
+  gl_->BindTexture(GL_TEXTURE_CUBE_MAP, 7);
+
+  const PNameValue pairs[] = {
+    { GL_ACTIVE_TEXTURE, GL_TEXTURE4, },
+    { GL_ARRAY_BUFFER_BINDING, 2, },
+    { GL_ELEMENT_ARRAY_BUFFER_BINDING, 3, },
+    { GL_FRAMEBUFFER_BINDING, 4, },
+    { GL_RENDERBUFFER_BINDING, 5, },
+    { GL_TEXTURE_BINDING_2D, 6, },
+    { GL_TEXTURE_BINDING_CUBE_MAP, 7, },
+  };
+  size_t num_pairs = sizeof(pairs) / sizeof(pairs[0]);
+  for (size_t ii = 0; ii < num_pairs; ++ii) {
+    const PNameValue& pv = pairs[ii];
+    GLint v = -1;
+    gl_->GetIntegerv(pv.pname, &v);
+    EXPECT_EQ(pv.expected, v);
+  }
+
+  EXPECT_CALL(*command_buffer_, OnFlush(_))
+      .WillOnce(SetMemory(GLuint(GL_NO_ERROR)))
+      .RetiresOnSaturation();
+  EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), gl_->GetError());
+}
+
 }  // namespace gles2
 }  // namespace gpu