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a1b820b11c
- Let undefined variables throw a ReferenceError by using Identifier::execute() rather than doing variable lookup manually and ASSERT()ing - Coerce value to number rather than ASSERT()ing - Make code DRY - Add tests
54 lines
859 B
JavaScript
54 lines
859 B
JavaScript
load("test-common.js");
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try {
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assertThrowsError(() => {
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++x;
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}, {
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error: ReferenceError,
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message: "'x' not known"
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});
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var n = 0;
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assert(++n === 1);
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assert(n === 1);
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var n = 0;
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assert(n++ === 0);
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assert(n === 1);
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var n = 0;
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assert(--n === -1);
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assert(n === -1);
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var n = 0;
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assert(n-- === 0);
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assert(n === -1);
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var a = [];
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assert(a++ === 0);
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assert(a === 1);
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var b = true;
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assert(b-- === 1);
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assert(b === 0);
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var s = "foo";
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assert(isNaN(++s));
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assert(isNaN(s));
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var s = "foo";
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assert(isNaN(s++));
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assert(isNaN(s));
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var s = "foo";
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assert(isNaN(--s));
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assert(isNaN(s));
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var s = "foo";
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assert(isNaN(s--));
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assert(isNaN(s));
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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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