Add gin, a lightweight bindings system for V8

gin/runner_unittest.cc

Index: gin/runner_unittest.cc
diff --git a/gin/runner_unittest.cc b/gin/runner_unittest.cc
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+// Copyright 2013 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 "gin/runner.h"
+
+#include "base/compiler_specific.h"
+#include "gin/converter.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using v8::Handle;
+using v8::Isolate;
+using v8::Object;
+using v8::Script;
+using v8::String;
+
+namespace gin {
+namespace {
+
+class TestRunnerDelegate : public RunnerDelegate {
+ public:
+  virtual Handle<Object> CreateRootObject(Runner* runner) OVERRIDE {
+    Isolate* isolate = runner->isolate();
+    Handle<Object> root = Object::New();
+    root->Set(StringToV8(isolate, "foo"), StringToV8(isolate, "bar"));
+    return root;
+  }
+  virtual ~TestRunnerDelegate() {}
+};
+
+}
+
+TEST(RunnerTest, Run) {
+  std::string source =
+      "function main(root) {\n"
+      "  if (root.foo)\n"
+      "    this.result = 'PASS';\n"
+      "  else\n"
+      "    this.result = 'FAIL';\n"
+      "}\n";
+
+  TestRunnerDelegate delegate;
+  Isolate* isolate = Isolate::GetCurrent();
+  Runner runner(&delegate, isolate);
+  Runner::Scope scope(&runner);
+  runner.Run(Script::New(StringToV8(isolate, source)));
+
+  std::string result;
+  EXPECT_TRUE(Converter<std::string>::FromV8(
+      runner.global()->Get(StringToV8(isolate, "result")),
+      &result));
+  EXPECT_EQ("PASS", result);
+}
+
+}  // namespace gin