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39 lines
727 B
39 lines
727 B
12 years ago
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/*
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* CheckObjectCoercible() (E5 Section 9.10).
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*
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* This primitive cannot be directly tested. It is referenced in the
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* specification almost exclusively for String.prototype functions, like
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* charAt().
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*
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* We use String.prototype.charAt() for indirect testing.
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*/
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function indirectCheckObjectCoercible(x) {
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String.prototype.charAt.call(x, 0);
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}
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/*===
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TypeError
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TypeError
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no error
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no error
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no error
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no error
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no error
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no error
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no error
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===*/
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var values = [ undefined, null, true, false, 123.0, "foo", {}, [], function () {} ];
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var i;
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for (i = 0; i < values.length; i++) {
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try {
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indirectCheckObjectCoercible(values[i]);
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print('no error');
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} catch (e) {
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print(e.name);
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}
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}
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