js/src/jsapi-tests/testBoundFunction.cpp
author Jon Coppeard <jcoppeard@mozilla.com>
Mon, 14 Jan 2019 11:02:35 +0000
changeset 453704 1cebf4f5c850ad22500a360c2742de3c9dd78c81
parent 448963 66eb1f485c1a3ea81372758bc92292c9428b17cd
child 460515 c97884641175548d8543f1f0a531f946e9dc2973
permissions -rw-r--r--
Bug 1519397 - Factor GC locking RAII classes out of vm/Runtime.h r=pbone

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * vim: set ts=8 sts=2 et sw=2 tw=80:
 */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "jsapi-tests/tests.h"

BEGIN_TEST(testBoundFunction) {
  EXEC("function foo() {}");
  JS::RootedValue foo(cx);
  EVAL("foo", &foo);
  JS::RootedValue bound(cx);
  EVAL("foo.bind(1)", &bound);

  JS::RootedFunction foofun(cx, JS_ValueToFunction(cx, foo));
  JS::RootedFunction boundfun(cx, JS_ValueToFunction(cx, bound));

  CHECK(!JS_IsFunctionBound(foofun));
  CHECK(JS_IsFunctionBound(boundfun));

  CHECK(!JS_GetBoundFunctionTarget(foofun));
  JSObject* target = JS_GetBoundFunctionTarget(boundfun);
  CHECK(!!target);
  CHECK(JS_ObjectIsFunction(cx, target));
  JS::RootedValue targetVal(cx, JS::ObjectValue(*target));
  CHECK_SAME(foo, targetVal);

  return true;
}
END_TEST(testBoundFunction)