Validate incoming JS Message Headers: test message parser

mojo/bindings/js/run_js_tests.cc

 // Copyright 2014 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 "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/path_service.h"
 #include "gin/modules/console.h"
 #include "gin/modules/module_registry.h"
 #include "gin/modules/timer.h"
@@ skipping 27 matching lines @@
              .AppendASCII(test);
   TestRunnerDelegate delegate;
   gin::RunTestFromFile(path, &delegate, run_until_idle);
 }
 
 // TODO(abarth): Should we autogenerate these stubs from GYP?
 TEST(JSTest, core) {
   RunTest("core_unittests.js", true);
 }
 
-TEST(JSTest, codec) {
+static bool MojoBindingFilesExist() {
   // TODO(yzshen): Remove this check once isolated tests are supported on the
   // Chromium waterfall. (http://crbug.com/351214)
   const base::FilePath test_file_path(
       test::GetFilePathForJSResource(
           "mojo/public/interfaces/bindings/tests/sample_service.mojom"));
   if (!base::PathExists(test_file_path)) {
     LOG(WARNING) << "Mojom binding files don't exist. Skipping the test.";
+    return false;
+  }
+  return true;
+}
+
+TEST(JSTest, codec) {
+  if (!MojoBindingFilesExist())
     return;
-  }
+  RunTest("codec_unittests.js", true);
+}
 
-  RunTest("codec_unittests.js", true);
+TEST(JSTest, validation) {
+  if (!MojoBindingFilesExist())
+    return;
+  RunTest("validation_unittests.js", true);
 }
 
 }  // namespace
 }  // namespace js
 }  // namespace mojo