| description( |
| "This tests that isPrototypeOf works according to the ECMA spec." |
| ); |
| |
| shouldBeFalse("Object.isPrototypeOf('string')"); |
| shouldBeTrue("Array.prototype.isPrototypeOf(new Array())"); |
| |
| function ObjectA() { } |
| function ObjectB() { } |
| ObjectB.prototype = new ObjectA(); |
| var objb = new ObjectB(); |
| shouldBeTrue("ObjectA.prototype.isPrototypeOf(objb)"); |
| |
| function ObjectC() {} |
| ObjectC.prototype = new ObjectB(); |
| var objc = new ObjectC(); |
| shouldBeTrue("ObjectA.prototype.isPrototypeOf(objc)"); |
| |
| var successfullyParsed = true; |
