4ced126704
This commit adds the following classes: SymbolObject, SymbolConstructor, SymbolPrototype, and Symbol. This commit does not introduce any new functionality to the Object class, so they cannot be used as property keys in objects.
31 lines
836 B
JavaScript
31 lines
836 B
JavaScript
load("test-common.js")
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try {
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const localSym = Symbol("foo");
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const globalSym = Symbol.for("foo");
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assert(Symbol.keyFor(localSym) === undefined);
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assert(Symbol.keyFor(globalSym) === "foo");
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const testThrows = (value, str) => {
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assertThrowsError(() => {
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Symbol.keyFor(value);
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}, {
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error: TypeError,
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message: str + " is not a symbol",
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});
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};
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testThrows(1, "1");
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testThrows(null, "null");
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testThrows(undefined, "undefined");
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testThrows([], "[object Array]");
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testThrows({}, "[object Object]");
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testThrows(true, "true");
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testThrows("foobar", "foobar");
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testThrows(function(){}, "[object ScriptFunction]"); // FIXME: Better function stringification
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console.log("PASS");
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} catch (e) {
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console.log("FAIL: " + e);
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}
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