da0ab16f01
Now that Array.prototype.join() is producing the correct results we can remove the separate code path for arrays in Value::to_number() and treat them like all other objects - using to_primitive() with number as the preferred type and then calling to_number() on the result. This is how the spec descibes it. This also means we don't crash anymore when trying to coerce [<empty>] to a number - it now does the following: [<empty>] - to string - "" - to number - 0 [<empty>, <empty>] - to string - "," - to number - NaN
60 lines
1.6 KiB
JavaScript
60 lines
1.6 KiB
JavaScript
load("test-common.js");
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try {
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assert(+false === 0);
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assert(-false === 0);
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assert(+true === 1);
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assert(-true === -1);
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assert(+null === 0);
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assert(-null === 0);
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assert(+[] === 0);
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assert(-[] === 0);
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assert(+[,] === 0);
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assert(-[,] === 0);
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assert(+[null] === 0);
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assert(-[null] === 0);
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assert(+[undefined] === 0);
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assert(-[undefined] === 0);
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assert(+[[[[[]]]]] === 0);
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assert(-[[[[[]]]]] === 0);
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assert(+[[[[[42]]]]] === 42);
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assert(-[[[[[42]]]]] === -42);
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assert(+"" === 0);
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assert(-"" === 0);
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assert(+"42" === 42);
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assert(-"42" === -42);
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assert(+42 === 42);
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assert(-42 === -42);
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assert(+1.23 === 1.23);
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assert(-1.23 === -1.23);
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// FIXME: returns NaN
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// assert(+"1.23" === 1.23)
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// assert(-"1.23" === -1.23)
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assert(+"Infinity" === Infinity);
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assert(+"+Infinity" === Infinity);
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assert(+"-Infinity" === -Infinity);
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assert(-"Infinity" === -Infinity);
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assert(-"+Infinity" === -Infinity);
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assert(-"-Infinity" === Infinity);
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assert(isNaN(+undefined));
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assert(isNaN(-undefined));
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assert(isNaN(+{}));
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assert(isNaN(-{}));
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assert(isNaN(+{ a: 1 }));
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assert(isNaN(-{ a: 1 }));
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assert(isNaN(+[, , ,]));
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assert(isNaN(-[, , ,]));
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assert(isNaN(+[undefined, undefined]));
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assert(isNaN(-[undefined, undefined]));
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assert(isNaN(+[1, 2, 3]));
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assert(isNaN(-[1, 2, 3]));
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assert(isNaN(+[[[["foo"]]]]));
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assert(isNaN(-[[[["foo"]]]]));
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assert(isNaN(+"foo"));
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assert(isNaN(-"foo"));
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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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