JavaScriptCore-iOS/JavaScriptCore/API/tests/testapi.js at master · fealebenpae/JavaScriptCore-iOS

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* 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("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";

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