mirror of https://github.com/tc39/test262.git
41 lines
1.3 KiB
JavaScript
41 lines
1.3 KiB
JavaScript
// Copyright (C) 2016 Rick Waldron. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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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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{
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let capture = [];
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let leftValue = { valueOf() { capture.push("leftValue"); return 3; }};
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let rightValue = { valueOf() { capture.push("rightValue"); return 2; }};
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(capture.push("left"), leftValue) ** +(capture.push("right"), rightValue);
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// ^
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// Changes the order
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// Expected per operator evaluation order: "left", "right", "rightValue", "leftValue"
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shouldBe(capture[0], "left");
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shouldBe(capture[1], "right");
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shouldBe(capture[2], "rightValue");
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shouldBe(capture[3], "leftValue");
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}
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{
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let capture = [];
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let leftValue = { valueOf() { capture.push("leftValue"); return 3; }};
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let rightValue = { valueOf() { capture.push("rightValue"); return 2; }};
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(+(capture.push("left"), leftValue)) ** (capture.push("right"), rightValue);
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// ^
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// Changes the order
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// Expected per operator evaluation order: "left", "right", "rightValue", "leftValue"
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shouldBe(capture[0], "left");
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shouldBe(capture[1], "leftValue");
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shouldBe(capture[2], "right");
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shouldBe(capture[3], "rightValue");
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}
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