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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 join function is intentionally generic.
It does not require that its this value be an Array object
esid: sec-array.prototype.join
description: >
Operator use ToNumber from length. If Type(value) is Object,
evaluate ToPrimitive(value, Number)
---*/
var obj = {};
obj.join = Array.prototype.join;
obj.length = {
valueOf() {
return 3
}
};
assert.sameValue(obj.join(), ",,", 'obj.join() must return ",,"');
obj.length = {
valueOf() {
return 3
},
toString() {
return 2
}
};
assert.sameValue(obj.join(), ",,", 'obj.join() must return ",,"');
obj.length = {
valueOf() {
return 3
},
toString() {
return {}
}
};
assert.sameValue(obj.join(), ",,", 'obj.join() must return ",,"');
obj.length = {
valueOf() {
return 3
},
toString() {
throw new Test262Error();
}
};
assert.sameValue(obj.join(), ",,", 'obj.join() must return ",,"');
obj.length = {
toString() {
return 2
}
};
assert.sameValue(obj.join(), ",", 'obj.join() must return ","');
obj.length = {
valueOf() {
return {}
},
toString() {
return 2
}
}
assert.sameValue(obj.join(), ",", 'obj.join() must return ","');
assert.throws(Test262Error, () => {
obj.length = {
valueOf() {
throw new Test262Error();
},
toString() {
return 2
}
};
obj.join();
});
assert.throws(TypeError, () => {
obj.length = {
valueOf() {
return {}
},
toString() {
return {}
}
};
obj.join();
});
reportCompare(0, 0);
|
