mirror of https://github.com/tc39/test262.git
42 lines
952 B
JavaScript
42 lines
952 B
JavaScript
//@ slow!
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function shouldBe(actual, expected)
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{
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if (actual !== expected)
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throw new Error('bad value: ' + actual);
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}
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function test(num)
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{
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var regexp = /hello world/;
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regexp.lastIndex = { ok: regexp, value: 42 };
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if (num === 0)
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return regexp;
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if (num === 1)
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return regexp.lastIndex;
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return regexp.lastIndex.value;
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}
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noInline(test);
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for (var i = 0; i < 1e6; ++i) {
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var num = i % 3;
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switch (num) {
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case 0:
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var regexp = test(num);
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shouldBe(regexp instanceof RegExp, true);
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shouldBe(typeof regexp.lastIndex, "object");
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shouldBe(regexp.lastIndex.ok, regexp);
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break;
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case 1:
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var object = test(num);
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shouldBe(object.value, 42);
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shouldBe(object.ok instanceof RegExp, true);
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shouldBe(object.ok.lastIndex, object);
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break;
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case 2:
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var value = test(num);
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shouldBe(value, 42);
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break;
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}
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}
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