Check texture ids are valid in CopyTextureCHROMIUM apis.

gpu/command_buffer/tests/gl_compressed_copy_texture_CHROMIUM_unittest.cc

 // Copyright (c) 2015 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.
 
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES
 #endif
 
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
@@ skipping 292 matching lines @@
   } else {
     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
                  kUncompressedPixels);
 
     glCompressedCopySubTextureCHROMIUM(GL_TEXTURE_2D, textures_[0],
                                        textures_[1], 0, 0, 0, 0, 1, 1);
   }
   EXPECT_TRUE(GL_INVALID_OPERATION == glGetError());
 }
 
+TEST_P(GLCompressedCopyTextureCHROMIUMTest, InvalidTextureIds) {
+  if (!GLTestHelper::HasExtension("GL_EXT_texture_compression_dxt1")) {
+    LOG(INFO)
+        << "GL_EXT_texture_compression_dxt1 not supported. Skipping test...";
+    return;
+  }
+
+  CopyType copy_type = GetParam();
+
+  glBindTexture(GL_TEXTURE_2D, textures_[0]);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+  glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 4,
+                         4, 0, sizeof(kCompressedImageDXT1),
+                         kCompressedImageDXT1);
+  EXPECT_TRUE(glGetError() == GL_NO_ERROR);
+
+  glBindTexture(GL_TEXTURE_2D, textures_[1]);
+  glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+  glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+  if (copy_type == TexImage) {
+    glCompressedCopyTextureCHROMIUM(GL_TEXTURE_2D, textures_[0], 99993);
+    EXPECT_TRUE(glGetError() == GL_INVALID_VALUE);
+
+    glCompressedCopyTextureCHROMIUM(GL_TEXTURE_2D, 99994, textures_[1]);
+    EXPECT_TRUE(glGetError() == GL_INVALID_VALUE);
+
+    glCompressedCopyTextureCHROMIUM(GL_TEXTURE_2D, 99995, 99996);
+    EXPECT_TRUE(glGetError() == GL_INVALID_VALUE);
+
+    glCompressedCopyTextureCHROMIUM(GL_TEXTURE_2D, textures_[0], textures_[1]);
+    EXPECT_TRUE(glGetError() == GL_NO_ERROR);
+  } else {
+    glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 4,
+                           4, 0, sizeof(kInvalidCompressedImage),
+                           kInvalidCompressedImage);
+
+    glCompressedCopySubTextureCHROMIUM(GL_TEXTURE_2D, textures_[0], 99993, 0, 0,
+                                       0, 0, 4, 4);
+    EXPECT_TRUE(glGetError() == GL_INVALID_VALUE);
+
+    glCompressedCopySubTextureCHROMIUM(GL_TEXTURE_2D, 99994, textures_[1], 0, 0,
+                                       0, 0, 4, 4);
+    EXPECT_TRUE(glGetError() == GL_INVALID_VALUE);
+
+    glCompressedCopySubTextureCHROMIUM(GL_TEXTURE_2D, 99995, 99996, 0, 0, 0, 0,
+                                       4, 4);
+    EXPECT_TRUE(glGetError() == GL_INVALID_VALUE);
+
+    glCompressedCopySubTextureCHROMIUM(GL_TEXTURE_2D, textures_[0],
+                                       textures_[1], 0, 0, 0, 0, 4, 4);
+    EXPECT_TRUE(glGetError() == GL_NO_ERROR);
+  }
+}
+
 // Validate that some basic GL state is not touched upon execution of
 // the extension.
 TEST_P(GLCompressedCopyTextureCHROMIUMTest, BasicStatePreservation) {
   if (!GLTestHelper::HasExtension("GL_EXT_texture_compression_dxt1")) {
     LOG(INFO) <<
         "GL_EXT_texture_compression_dxt1 not supported. Skipping test...";
     return;
   }
 
   CopyType copy_type = GetParam();
@@ skipping 382 matching lines @@
 
   // Note that while destination texture is 8 x 8 pixels the viewport is only
   // 4 x 4.
   GLTestHelper::CheckPixels(0, 0, 4, 2, 0, kRed);
   GLTestHelper::CheckPixels(0, 2, 2, 2, 0, kBlue);
   GLTestHelper::CheckPixels(2, 2, 2, 2, 0, kBlack);
   EXPECT_TRUE(GL_NO_ERROR == glGetError());
 }
 
 }  // namespace gpu