forked from LeenkxTeam/Kmake
29 lines
1.2 KiB
JavaScript
29 lines
1.2 KiB
JavaScript
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// Copyright 2022 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Check the rounding behavior.
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// Based on https://tc39.es/proposal-intl-numberformat-v3/out/numberformat/diff.html#table-intl-rounding-modes
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let inputs = [-1.5, 0.4, 0.5, 0.6, 1.5];
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let expectations = {
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"ceil": ["-1", "1", "1", "1", "2"],
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"floor": ["-2", "0", "0", "0", "1"],
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"expand": ["-2", "1", "1", "1", "2"],
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"trunc": ["-1", "0", "0", "0", "1"],
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"halfCeil": ["-1", "0", "1", "1", "2"],
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"halfFloor": ["-2", "0", "0", "1", "1"],
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"halfExpand": ["-2", "0", "1", "1", "2"],
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"halfTrunc": ["-1", "0", "0", "1", "1"],
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"halfEven": ["-2", "0", "0", "1", "2"],
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};
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Object.keys(expectations).forEach(function(roundingMode) {
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let exp = expectations[roundingMode];
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let idx = 0;
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let nf = new Intl.NumberFormat("en", {roundingMode, maximumFractionDigits: 0});
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assertEquals(roundingMode, nf.resolvedOptions().roundingMode);
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inputs.forEach(function(input) {
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let msg = "input: " + input + " with roundingMode: " + roundingMode;
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assertEquals(exp[idx++], nf.format(input), msg);
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})
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});
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