| /* 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" |
| |
| static const JSClass ObjectEmulatingUndefinedClass = { |
| "ObjectEmulatingUndefined", |
| JSCLASS_EMULATES_UNDEFINED |
| }; |
| |
| static bool |
| ObjectEmulatingUndefinedConstructor(JSContext* cx, unsigned argc, JS::Value* vp) |
| { |
| JS::CallArgs args = JS::CallArgsFromVp(argc, vp); |
| JSObject* obj = JS_NewObjectForConstructor(cx, &ObjectEmulatingUndefinedClass, args); |
| if (!obj) |
| return false; |
| args.rval().setObject(*obj); |
| return true; |
| } |
| |
| BEGIN_TEST(testObjectEmulatingUndefined_truthy) |
| { |
| CHECK(JS_InitClass(cx, global, nullptr, &ObjectEmulatingUndefinedClass, |
| ObjectEmulatingUndefinedConstructor, 0, |
| nullptr, nullptr, nullptr, nullptr)); |
| |
| JS::RootedValue result(cx); |
| |
| EVAL("if (new ObjectEmulatingUndefined()) true; else false;", &result); |
| CHECK(result.isFalse()); |
| |
| EVAL("if (!new ObjectEmulatingUndefined()) true; else false;", &result); |
| CHECK(result.isTrue()); |
| |
| EVAL("var obj = new ObjectEmulatingUndefined(); \n" |
| "var res = []; \n" |
| "for (var i = 0; i < 50; i++) \n" |
| " res.push(Boolean(obj)); \n" |
| "res.every(function(v) { return v === false; });", |
| &result); |
| CHECK(result.isTrue()); |
| |
| return true; |
| } |
| END_TEST(testObjectEmulatingUndefined_truthy) |
| |
| BEGIN_TEST(testObjectEmulatingUndefined_equal) |
| { |
| CHECK(JS_InitClass(cx, global, nullptr, &ObjectEmulatingUndefinedClass, |
| ObjectEmulatingUndefinedConstructor, 0, |
| nullptr, nullptr, nullptr, nullptr)); |
| |
| JS::RootedValue result(cx); |
| |
| EVAL("if (new ObjectEmulatingUndefined() == undefined) true; else false;", &result); |
| CHECK(result.isTrue()); |
| |
| EVAL("if (new ObjectEmulatingUndefined() == null) true; else false;", &result); |
| CHECK(result.isTrue()); |
| |
| EVAL("if (new ObjectEmulatingUndefined() != undefined) true; else false;", &result); |
| CHECK(result.isFalse()); |
| |
| EVAL("if (new ObjectEmulatingUndefined() != null) true; else false;", &result); |
| CHECK(result.isFalse()); |
| |
| EVAL("var obj = new ObjectEmulatingUndefined(); \n" |
| "var res = []; \n" |
| "for (var i = 0; i < 50; i++) \n" |
| " res.push(obj == undefined); \n" |
| "res.every(function(v) { return v === true; });", |
| &result); |
| CHECK(result.isTrue()); |
| |
| EVAL("var obj = new ObjectEmulatingUndefined(); \n" |
| "var res = []; \n" |
| "for (var i = 0; i < 50; i++) \n" |
| " res.push(obj == null); \n" |
| "res.every(function(v) { return v === true; });", |
| &result); |
| CHECK(result.isTrue()); |
| |
| EVAL("var obj = new ObjectEmulatingUndefined(); \n" |
| "var res = []; \n" |
| "for (var i = 0; i < 50; i++) \n" |
| " res.push(obj != undefined); \n" |
| "res.every(function(v) { return v === false; });", |
| &result); |
| CHECK(result.isTrue()); |
| |
| EVAL("var obj = new ObjectEmulatingUndefined(); \n" |
| "var res = []; \n" |
| "for (var i = 0; i < 50; i++) \n" |
| " res.push(obj != null); \n" |
| "res.every(function(v) { return v === false; });", |
| &result); |
| CHECK(result.isTrue()); |
| |
| return true; |
| } |
| END_TEST(testObjectEmulatingUndefined_equal) |