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|
// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
info: |
The push function is intentionally generic.
It does not require that its this value be an Array object
esid: sec-array.prototype.push
description: >
Operator use ToNumber from length. If Type(value) is Object,
evaluate ToPrimitive(value, Number)
---*/
var obj = {};
obj.push = Array.prototype.push;
obj.length = {
valueOf() {
return 3
}
};
var push = obj.push();
assert.sameValue(push, 3, 'The value of push is expected to be 3');
obj.length = {
valueOf() {
return 3
},
toString() {
return 1
}
};
var push = obj.push();
assert.sameValue(push, 3, 'The value of push is expected to be 3');
obj.length = {
valueOf() {
return 3
},
toString() {
return {}
}
};
var push = obj.push();
assert.sameValue(push, 3, 'The value of push is expected to be 3');
try {
obj.length = {
valueOf() {
return 3
},
toString() {
throw "error"
}
};
var push = obj.push();
assert.sameValue(push, 3, 'The value of push is expected to be 3');
}
catch (e) {
assert.notSameValue(e, "error", 'The value of e is not "error"');
}
obj.length = {
toString() {
return 1
}
};
var push = obj.push();
assert.sameValue(push, 1, 'The value of push is expected to be 1');
obj.length = {
valueOf() {
return {}
},
toString() {
return 1
}
}
var push = obj.push();
assert.sameValue(push, 1, 'The value of push is expected to be 1');
try {
obj.length = {
valueOf() {
throw "error"
},
toString() {
return 1
}
};
var push = obj.push();
throw new Test262Error('#7.1: obj.length = {valueOf() {throw "error"}, toString() {return 1}}; obj.push() throw "error". Actual: ' + (push));
}
catch (e) {
assert.sameValue(e, "error", 'The value of e is expected to be "error"');
}
try {
obj.length = {
valueOf() {
return {}
},
toString() {
return {}
}
};
var push = obj.push();
throw new Test262Error('#8.1: obj.length = {valueOf() {return {}}, toString() {return {}}} obj.push() throw TypeError. Actual: ' + (push));
}
catch (e) {
assert.sameValue(
e instanceof TypeError,
true,
'The result of evaluating (e instanceof TypeError) is expected to be true'
);
}
reportCompare(0, 0);
|
