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/*
* Copyright (C) 2006 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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 with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
function bludgeonArguments() { if (0) arguments; return function g() {} }
h = bludgeonArguments();
gc();
var failed = false;
function pass(msg)
{
print("PASS: " + msg, "green");
}
function fail(msg)
{
print("FAIL: " + msg, "red");
failed = true;
}
function shouldBe(a, b)
{
var evalA;
try {
evalA = eval(a);
} catch(e) {
evalA = e;
}
if (evalA == b || isNaN(evalA) && typeof evalA == 'number' && isNaN(b) && typeof b == 'number')
pass(a + " should be " + b + " and is.");
else
fail(a + " should be " + b + " but instead is " + evalA + ".");
}
function shouldThrow(a)
{
var evalA;
try {
eval(a);
} catch(e) {
pass(a + " threw: " + e);
return;
}
fail(a + " did not throw an exception.");
}
function globalStaticFunction()
{
return 4;
}
shouldBe("globalStaticValue", 3);
shouldBe("globalStaticFunction()", 4);
shouldBe("this.globalStaticFunction()", 4);
function globalStaticFunction2() {
return 10;
}
shouldBe("globalStaticFunction2();", 10);
this.globalStaticFunction2 = function() { return 20; }
shouldBe("globalStaticFunction2();", 20);
shouldBe("this.globalStaticFunction2();", 20);
function iAmNotAStaticFunction() { return 10; }
shouldBe("iAmNotAStaticFunction();", 10);
this.iAmNotAStaticFunction = function() { return 20; }
shouldBe("iAmNotAStaticFunction();", 20);
shouldBe("typeof MyObject", "function"); // our object implements 'call'
MyObject.cantFind = 1;
shouldBe("MyObject.cantFind", undefined);
MyObject.regularType = 1;
shouldBe("MyObject.regularType", 1);
MyObject.alwaysOne = 2;
shouldBe("MyObject.alwaysOne", 1);
MyObject.cantDelete = 1;
delete MyObject.cantDelete;
shouldBe("MyObject.cantDelete", 1);
shouldBe("delete MyObject.throwOnDelete", "an exception");
MyObject.cantSet = 1;
shouldBe("MyObject.cantSet", undefined);
shouldBe("MyObject.throwOnGet", "an exception");
shouldBe("MyObject.throwOnSet = 5", "an exception");
shouldBe("MyObject('throwOnCall')", "an exception");
shouldBe("new MyObject('throwOnConstruct')", "an exception");
shouldBe("'throwOnHasInstance' instanceof MyObject", "an exception");
MyObject.nullGetForwardSet = 1;
shouldBe("MyObject.nullGetForwardSet", 1);
var foundMyPropertyName = false;
var foundRegularType = false;
for (var p in MyObject) {
if (p == "myPropertyName")
foundMyPropertyName = true;
if (p == "regularType")
foundRegularType = true;
}
if (foundMyPropertyName)
pass("MyObject.myPropertyName was enumerated");
else
fail("MyObject.myPropertyName was not enumerated");
if (foundRegularType)
pass("MyObject.regularType was enumerated");
else
fail("MyObject.regularType was not enumerated");
var alwaysOneDescriptor = Object.getOwnPropertyDescriptor(MyObject, "alwaysOne");
shouldBe('typeof alwaysOneDescriptor', "object");
shouldBe('alwaysOneDescriptor.value', MyObject.alwaysOne);
shouldBe('alwaysOneDescriptor.configurable', true);
shouldBe('alwaysOneDescriptor.enumerable', false); // Actually it is.
var cantFindDescriptor = Object.getOwnPropertyDescriptor(MyObject, "cantFind");
shouldBe('typeof cantFindDescriptor', "object");
shouldBe('cantFindDescriptor.value', MyObject.cantFind);
shouldBe('cantFindDescriptor.configurable', true);
shouldBe('cantFindDescriptor.enumerable', false);
try {
// If getOwnPropertyDescriptor() returned an access descriptor, this wouldn't throw.
Object.getOwnPropertyDescriptor(MyObject, "throwOnGet");
} catch (e) {
pass("getting property descriptor of throwOnGet threw exception");
}
var myPropertyNameDescriptor = Object.getOwnPropertyDescriptor(MyObject, "myPropertyName");
shouldBe('typeof myPropertyNameDescriptor', "object");
shouldBe('myPropertyNameDescriptor.value', MyObject.myPropertyName);
shouldBe('myPropertyNameDescriptor.configurable', true);
shouldBe('myPropertyNameDescriptor.enumerable', false); // Actually it is.
try {
// if getOwnPropertyDescriptor() returned an access descriptor, this wouldn't throw.
Object.getOwnPropertyDescriptor(MyObject, "hasPropertyLie");
} catch (e) {
pass("getting property descriptor of hasPropertyLie threw exception");
}
shouldBe('Object.getOwnPropertyDescriptor(MyObject, "doesNotExist")', undefined);
myObject = new MyObject();
shouldBe("delete MyObject.regularType", true);
shouldBe("MyObject.regularType", undefined);
shouldBe("MyObject(0)", 1);
shouldBe("MyObject()", undefined);
shouldBe("typeof myObject", "object");
shouldBe("MyObject ? 1 : 0", true); // toBoolean
shouldBe("+MyObject", 1); // toNumber
shouldBe("(Object.prototype.toString.call(MyObject))", "[object MyObject]"); // Object.prototype.toString
shouldBe("(MyObject.toString())", "[object MyObject]"); // toString
shouldBe("String(MyObject)", "MyObjectAsString"); // toString
shouldBe("MyObject - 0", 1); // toNumber
shouldBe("MyObject.valueOf()", 1); // valueOf
shouldBe("typeof MyConstructor", "object");
constructedObject = new MyConstructor(1);
shouldBe("typeof constructedObject", "object");
shouldBe("constructedObject.value", 1);
shouldBe("myObject instanceof MyObject", true);
shouldBe("(new Object()) instanceof MyObject", false);
shouldThrow("new MyBadConstructor()");
MyObject.nullGetSet = 1;
shouldBe("MyObject.nullGetSet", 1);
shouldThrow("MyObject.nullCall()");
shouldThrow("MyObject.hasPropertyLie");
derived = new Derived();
shouldBe("derived instanceof Derived", true);
shouldBe("derived instanceof Base", true);
// base properties and functions return 1 when called/gotten; derived, 2
shouldBe("derived.baseProtoDup()", 2);
shouldBe("derived.baseProto()", 1);
shouldBe("derived.baseDup", 2);
shouldBe("derived.baseOnly", 1);
shouldBe("derived.protoOnly()", 2);
shouldBe("derived.protoDup", 2);
shouldBe("derived.derivedOnly", 2)
shouldBe("derived.baseHardNull()", undefined)
// base properties throw 1 when set; derived, 2
shouldBe("derived.baseDup = 0", 2);
shouldBe("derived.baseOnly = 0", 1);
shouldBe("derived.derivedOnly = 0", 2)
shouldBe("derived.protoDup = 0", 2);
derived2 = new Derived2();
shouldBe("derived2 instanceof Derived2", true);
shouldBe("derived2 instanceof Derived", true);
shouldBe("derived2 instanceof Base", true);
// base properties and functions return 1 when called/gotten; derived, 2
shouldBe("derived2.baseProtoDup()", 2);
shouldBe("derived2.baseProto()", 1);
shouldBe("derived2.baseDup", 2);
shouldBe("derived2.baseOnly", 1);
shouldBe("derived2.protoOnly()", 2);
shouldBe("derived2.protoDup", 2);
shouldBe("derived2.derivedOnly", 2)
// base properties throw 1 when set; derived, 2
shouldBe("derived2.baseDup = 0", 2);
shouldBe("derived2.baseOnly = 0", 1);
shouldBe("derived2.derivedOnly = 0", 2)
shouldBe("derived2.protoDup = 0", 2);
shouldBe('Object.getOwnPropertyDescriptor(derived, "baseProto")', undefined);
shouldBe('Object.getOwnPropertyDescriptor(derived, "baseProtoDup")', undefined);
var baseDupDescriptor = Object.getOwnPropertyDescriptor(derived, "baseDup");
shouldBe('typeof baseDupDescriptor', "object");
shouldBe('baseDupDescriptor.value', derived.baseDup);
shouldBe('baseDupDescriptor.configurable', true);
shouldBe('baseDupDescriptor.enumerable', false);
var baseOnlyDescriptor = Object.getOwnPropertyDescriptor(derived, "baseOnly");
shouldBe('typeof baseOnlyDescriptor', "object");
shouldBe('baseOnlyDescriptor.value', derived.baseOnly);
shouldBe('baseOnlyDescriptor.configurable', true);
shouldBe('baseOnlyDescriptor.enumerable', false);
shouldBe('Object.getOwnPropertyDescriptor(derived, "protoOnly")', undefined);
var protoDupDescriptor = Object.getOwnPropertyDescriptor(derived, "protoDup");
shouldBe('typeof protoDupDescriptor', "object");
shouldBe('protoDupDescriptor.value', derived.protoDup);
shouldBe('protoDupDescriptor.configurable', true);
shouldBe('protoDupDescriptor.enumerable', false);
var derivedOnlyDescriptor = Object.getOwnPropertyDescriptor(derived, "derivedOnly");
shouldBe('typeof derivedOnlyDescriptor', "object");
shouldBe('derivedOnlyDescriptor.value', derived.derivedOnly);
shouldBe('derivedOnlyDescriptor.configurable', true);
shouldBe('derivedOnlyDescriptor.enumerable', false);
shouldBe("undefined instanceof MyObject", false);
EvilExceptionObject.hasInstance = function f() { return f(); };
EvilExceptionObject.__proto__ = undefined;
shouldThrow("undefined instanceof EvilExceptionObject");
EvilExceptionObject.hasInstance = function () { return true; };
shouldBe("undefined instanceof EvilExceptionObject", true);
EvilExceptionObject.toNumber = function f() { return f(); }
shouldThrow("EvilExceptionObject*5");
EvilExceptionObject.toStringExplicit = function f() { return f(); }
shouldThrow("String(EvilExceptionObject)");
shouldBe("console", "[object Console]");
shouldBe("typeof console.log", "function");
shouldBe("EmptyObject", "[object CallbackObject]");
for (var i = 0; i < 6; ++i)
PropertyCatchalls.x = i;
shouldBe("PropertyCatchalls.x", 4);
for (var i = 0; i < 6; ++i)
var x = PropertyCatchalls.x;
shouldBe("x", null);
var make_throw = 'make_throw';
shouldThrow("PropertyCatchalls[make_throw]=1");
make_throw = 0;
shouldThrow("PropertyCatchalls[make_throw]=1");
for (var i = 0; i < 10; ++i) {
for (var p in PropertyCatchalls) {
if (p == "x")
continue;
shouldBe("p", i % 10);
break;
}
}
PropertyCatchalls.__proto__ = { y: 1 };
for (var i = 0; i < 6; ++i)
var y = PropertyCatchalls.y;
shouldBe("y", null);
var o = { __proto__: PropertyCatchalls };
for (var i = 0; i < 6; ++i)
var z = PropertyCatchalls.z;
shouldBe("z", null);
if (failed)
throw "Some tests failed";