Two gin tests

Verifies ModuleRegistry can be looked up from context and that it is
no longer available once ContextHolder is destroyed.
Similarly verifies PerContextData is available once a ContextHolder is
created and that it's context_holder() member points back to the
ContextHolder.

BUG=none
TEST=none
R=abarth@chromium.org

Review URL: https://codereview.chromium.org/182683005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254362 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 33 insertions, 0 deletions

diff --git a/gin/modules/module_registry_unittest.cc b/gin/modules/module_registry_unittest.cc
new file mode 100644
index 0000000..af9dd00
--- /dev/null
+++ b/gin/modules/module_registry_unittest.cc
@@ -0,0 +1,33 @@
+// 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 "gin/modules/module_registry.h"
+
+#include "gin/public/context_holder.h"
+#include "gin/public/isolate_holder.h"
+#include "gin/test/v8_test.h"
+#include "v8/include/v8.h"
+
+namespace gin {
+
+typedef V8Test ModuleRegistryTest;
+
+// Verifies ModuleRegistry is not available after ContextHolder has been
+// deleted.
+TEST_F(ModuleRegistryTest, DestroyedWithContext) {
+  v8::Isolate::Scope isolate_scope(instance_->isolate());
+  v8::HandleScope handle_scope(instance_->isolate());
+  v8::Handle<v8::Context> context = v8::Context::New(
+      instance_->isolate(), NULL, v8::Handle<v8::ObjectTemplate>());
+  {
+    ContextHolder context_holder(instance_->isolate());
+    context_holder.SetContext(context);
+    ModuleRegistry* registry = ModuleRegistry::From(context);
+    EXPECT_TRUE(registry != NULL);
+  }
+  ModuleRegistry* registry = ModuleRegistry::From(context);
+  EXPECT_TRUE(registry == NULL);
+}
+
+}  // namespace gin