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23 lines
586 B
JavaScript
23 lines
586 B
JavaScript
/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/licenses/publicdomain/ */
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var symbols = [
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Symbol(),
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Symbol("ok"),
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Symbol.for("dummies"),
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Symbol.iterator
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];
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for (var sym of symbols) {
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assertEq(sym.valueOf(), sym);
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assertEq(Object(sym).valueOf(), sym);
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}
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// Any other value throws.
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var nonsymbols = [undefined, null, NaN, {}, Symbol.prototype];
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for (var nonsym of nonsymbols)
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assertThrowsInstanceOf(() => Symbol.prototype.valueOf.call(nonsym), TypeError);
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if (typeof reportCompare === "function")
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reportCompare(0, 0);
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