[V8] Add v8::Value::TypeOf to API

test/cctest/test-api.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 6493 matching lines @@
   CHECK(!v8_str("a")->SameValue(v8_str("b")));
   CHECK(!v8_str("5")->SameValue(v8_num(5)));
   CHECK(v8_num(1)->SameValue(v8_num(1)));
   CHECK(!v8_num(1)->SameValue(v8_num(2)));
   CHECK(!v8_num(0.0)->SameValue(v8_num(-0.0)));
   CHECK(not_a_number->SameValue(not_a_number));
   CHECK(v8::False(isolate)->SameValue(v8::False(isolate)));
   CHECK(!v8::False(isolate)->SameValue(v8::Undefined(isolate)));
 }
 
+THREADED_TEST(TypeOf) {
+  LocalContext context;
+  v8::Isolate* isolate = context->GetIsolate();
+  v8::HandleScope scope(context->GetIsolate());
+
+  Local<v8::FunctionTemplate> t1 = v8::FunctionTemplate::New(isolate);
+  Local<v8::Function> fun = t1->GetFunction(context.local()).ToLocalChecked();
+
+  CHECK(v8::Undefined(isolate)
+            ->TypeOf(context.local())
+            .ToLocalChecked()
+            ->Equals(context.local(), v8_str("undefined"))
+            .FromJust());
+  CHECK(v8::Null(isolate)
+            ->TypeOf(context.local())
+            .ToLocalChecked()
+            ->Equals(context.local(), v8_str("object"))
+            .FromJust());
+  CHECK(v8_str("str")
+            ->TypeOf(context.local())
+            .ToLocalChecked()
+            ->Equals(context.local(), v8_str("string"))
+            .FromJust());
+  CHECK(v8_num(0.0)
+            ->TypeOf(context.local())
+            .ToLocalChecked()
+            ->Equals(context.local(), v8_str("number"))
+            .FromJust());
+  CHECK(v8_num(1)
+            ->TypeOf(context.local())
+            .ToLocalChecked()
+            ->Equals(context.local(), v8_str("number"))
+            .FromJust());
+  CHECK(v8::Object::New(isolate)
+            ->TypeOf(context.local())
+            .ToLocalChecked()
+            ->Equals(context.local(), v8_str("object"))
+            .FromJust());
+  CHECK(v8::Boolean::New(isolate, true)
+            ->TypeOf(context.local())
+            .ToLocalChecked()
+            ->Equals(context.local(), v8_str("boolean"))
+            .FromJust());
+  CHECK(fun->TypeOf(context.local())
+            .ToLocalChecked()
+            ->Equals(context.local(), v8_str("function"))
+            .FromJust());
+}
 
 THREADED_TEST(MultiRun) {
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
   Local<Script> script = v8_compile("x");
   for (int i = 0; i < 10; i++) {
     script->Run(context.local()).IsEmpty();
   }
 }
 
@@ skipping 18325 matching lines @@
   CHECK(proxy->GetTarget()->SameValue(target));
   CHECK(proxy->GetHandler()->SameValue(handler));
 
   proxy->Revoke();
   CHECK(proxy->IsProxy());
   CHECK(!target->IsProxy());
   CHECK(proxy->IsRevoked());
   CHECK(proxy->GetTarget()->SameValue(target));
   CHECK(proxy->GetHandler()->IsNull());
 }