Get information about original function from bound function

test/cctest/test-api.cc

Index: test/cctest/test-api.cc
diff --git a/test/cctest/test-api.cc b/test/cctest/test-api.cc
index 91f37367dae9d0ec815cbd4738bc62484e1df80f..0864cac81cfdd16abb9eb859c5e9fd42560fa3bb 100644
--- a/test/cctest/test-api.cc
+++ b/test/cctest/test-api.cc
@@ -17836,6 +17836,33 @@ THREADED_TEST(FunctionGetScriptId) {
 }
 
 
+THREADED_TEST(FunctionGetBoundFunction) {
+  LocalContext env;
+  v8::HandleScope scope(env->GetIsolate());
+  v8::ScriptOrigin origin = v8::ScriptOrigin(v8::String::NewFromUtf8(
+      env->GetIsolate(), "test"));
+  v8::Handle<v8::String> script = v8::String::NewFromUtf8(
+      env->GetIsolate(),
+      "function f () {}\n"
+      "var g = f.bind();\n");
+  v8::Script::Compile(script, &origin)->Run();
+  v8::Local<v8::Function> f = v8::Local<v8::Function>::Cast(
+      env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
+  v8::Local<v8::Function> g = v8::Local<v8::Function>::Cast(
+      env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "g")));
+  CHECK(!g->GetBoundFunction()->IsUndefined());

[yurys, 2013/12/12 20:20:50]

CHECK(g->GetBoundFunction()->IsFunction())

[Alexandra Mikhaylova, 2013/12/18 10:00:28]

Done.

+  CHECK_EQ(*v8::String::Utf8Value(f->GetName()),

[yurys, 2013/12/12 20:20:50]

CHECK_EQ should work well for Handles, you don't need to to cast them to
Utf8Value

[Alexandra Mikhaylova, 2013/12/18 10:00:28]

Done.

+           *v8::String::Utf8Value(
+      Local<v8::Function>::Cast(g->GetBoundFunction())->GetName()));

[yurys, 2013/12/12 20:20:50]

It may make sense to extract Local<v8::Function>::Cast(g->GetBoundFunction())
into a separate statement to avoid duplication.

[Alexandra Mikhaylova, 2013/12/18 10:00:28]

Done.

+  CHECK_EQ(f->GetScriptLineNumber(),
+           Local<v8::Function>::Cast(
+      g->GetBoundFunction())->GetScriptLineNumber());
+  CHECK_EQ(f->GetScriptColumnNumber(),
+           Local<v8::Function>::Cast(
+      g->GetBoundFunction())->GetScriptColumnNumber());
+}
+
+
 static void GetterWhichReturns42(
     Local<String> name,
     const v8::PropertyCallbackInfo<v8::Value>& info) {