1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/jsapi-tests/testObjectEmulatingUndefined.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,110 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#include "jsapi-tests/tests.h"
1.9 +
1.10 +static const JSClass ObjectEmulatingUndefinedClass = {
1.11 + "ObjectEmulatingUndefined",
1.12 + JSCLASS_EMULATES_UNDEFINED,
1.13 + JS_PropertyStub,
1.14 + JS_DeletePropertyStub,
1.15 + JS_PropertyStub,
1.16 + JS_StrictPropertyStub,
1.17 + JS_EnumerateStub,
1.18 + JS_ResolveStub,
1.19 + JS_ConvertStub
1.20 +};
1.21 +
1.22 +static bool
1.23 +ObjectEmulatingUndefinedConstructor(JSContext *cx, unsigned argc, jsval *vp)
1.24 +{
1.25 + JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
1.26 + JSObject *obj = JS_NewObjectForConstructor(cx, &ObjectEmulatingUndefinedClass, args);
1.27 + if (!obj)
1.28 + return false;
1.29 + args.rval().setObject(*obj);
1.30 + return true;
1.31 +}
1.32 +
1.33 +BEGIN_TEST(testObjectEmulatingUndefined_truthy)
1.34 +{
1.35 + CHECK(JS_InitClass(cx, global, js::NullPtr(), &ObjectEmulatingUndefinedClass,
1.36 + ObjectEmulatingUndefinedConstructor, 0,
1.37 + nullptr, nullptr, nullptr, nullptr));
1.38 +
1.39 + JS::RootedValue result(cx);
1.40 +
1.41 + EVAL("if (new ObjectEmulatingUndefined()) true; else false;", &result);
1.42 + CHECK_SAME(result, JSVAL_FALSE);
1.43 +
1.44 + EVAL("if (!new ObjectEmulatingUndefined()) true; else false;", &result);
1.45 + CHECK_SAME(result, JSVAL_TRUE);
1.46 +
1.47 + EVAL("var obj = new ObjectEmulatingUndefined(); \n"
1.48 + "var res = []; \n"
1.49 + "for (var i = 0; i < 50; i++) \n"
1.50 + " res.push(Boolean(obj)); \n"
1.51 + "res.every(function(v) { return v === false; });",
1.52 + &result);
1.53 + CHECK_SAME(result, JSVAL_TRUE);
1.54 +
1.55 + return true;
1.56 +}
1.57 +END_TEST(testObjectEmulatingUndefined_truthy)
1.58 +
1.59 +BEGIN_TEST(testObjectEmulatingUndefined_equal)
1.60 +{
1.61 + CHECK(JS_InitClass(cx, global, js::NullPtr(), &ObjectEmulatingUndefinedClass,
1.62 + ObjectEmulatingUndefinedConstructor, 0,
1.63 + nullptr, nullptr, nullptr, nullptr));
1.64 +
1.65 + JS::RootedValue result(cx);
1.66 +
1.67 + EVAL("if (new ObjectEmulatingUndefined() == undefined) true; else false;", &result);
1.68 + CHECK_SAME(result, JSVAL_TRUE);
1.69 +
1.70 + EVAL("if (new ObjectEmulatingUndefined() == null) true; else false;", &result);
1.71 + CHECK_SAME(result, JSVAL_TRUE);
1.72 +
1.73 + EVAL("if (new ObjectEmulatingUndefined() != undefined) true; else false;", &result);
1.74 + CHECK_SAME(result, JSVAL_FALSE);
1.75 +
1.76 + EVAL("if (new ObjectEmulatingUndefined() != null) true; else false;", &result);
1.77 + CHECK_SAME(result, JSVAL_FALSE);
1.78 +
1.79 + EVAL("var obj = new ObjectEmulatingUndefined(); \n"
1.80 + "var res = []; \n"
1.81 + "for (var i = 0; i < 50; i++) \n"
1.82 + " res.push(obj == undefined); \n"
1.83 + "res.every(function(v) { return v === true; });",
1.84 + &result);
1.85 + CHECK_SAME(result, JSVAL_TRUE);
1.86 +
1.87 + EVAL("var obj = new ObjectEmulatingUndefined(); \n"
1.88 + "var res = []; \n"
1.89 + "for (var i = 0; i < 50; i++) \n"
1.90 + " res.push(obj == null); \n"
1.91 + "res.every(function(v) { return v === true; });",
1.92 + &result);
1.93 + CHECK_SAME(result, JSVAL_TRUE);
1.94 +
1.95 + EVAL("var obj = new ObjectEmulatingUndefined(); \n"
1.96 + "var res = []; \n"
1.97 + "for (var i = 0; i < 50; i++) \n"
1.98 + " res.push(obj != undefined); \n"
1.99 + "res.every(function(v) { return v === false; });",
1.100 + &result);
1.101 + CHECK_SAME(result, JSVAL_TRUE);
1.102 +
1.103 + EVAL("var obj = new ObjectEmulatingUndefined(); \n"
1.104 + "var res = []; \n"
1.105 + "for (var i = 0; i < 50; i++) \n"
1.106 + " res.push(obj != null); \n"
1.107 + "res.every(function(v) { return v === false; });",
1.108 + &result);
1.109 + CHECK_SAME(result, JSVAL_TRUE);
1.110 +
1.111 + return true;
1.112 +}
1.113 +END_TEST(testObjectEmulatingUndefined_equal)
