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33 lines
1.3 KiB
JavaScript
33 lines
1.3 KiB
JavaScript
// Copyright 2009 the Sputnik authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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info: |
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The result of an addition is determined using the rules of IEEE 754
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double-precision arithmetics
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es5id: 11.6.1_A4_T9
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description: >
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The addition operator is not always associative ( x + y + z is the
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same (x + y) + z, not x + (y + z))
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---*/
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//CHECK#1
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if (-Number.MAX_VALUE + Number.MAX_VALUE + Number.MAX_VALUE !== (-Number.MAX_VALUE + Number.MAX_VALUE) + Number.MAX_VALUE) {
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$ERROR('#1: -Number.MAX_VALUE + Number.MAX_VALUE + Number.MAX_VALUE === (-Number.MAX_VALUE + Number.MAX_VALUE) + Number.MAX_VALUE. Actual: ' + (-Number.MAX_VALUE + Number.MAX_VALUE + Number.MAX_VALUE));
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}
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//CHECK#2
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if ((-Number.MAX_VALUE + Number.MAX_VALUE) + Number.MAX_VALUE === -Number.MAX_VALUE + (Number.MAX_VALUE + Number.MAX_VALUE)) {
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$ERROR('#2: (-Number.MAX_VALUE + Number.MAX_VALUE) + Number.MAX_VALUE === -Number.MAX_VALUE + (Number.MAX_VALUE + Number.MAX_VALUE). Actual: ' + ((-Number.MAX_VALUE + Number.MAX_VALUE) + Number.MAX_VALUE));
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}
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//CHECK#3
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if ("1" + 1 + 1 !== ("1" + 1) + 1) {
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$ERROR('#3: "1" + 1 + 1 === ("1" + 1) + 1. Actual: ' + ("1" + 1 + 1));
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}
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//CHECK#4
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if (("1" + 1) + 1 === "1" + (1 + 1)) {
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$ERROR('#4: ("1" + 1) + 1 !== "1" + (1 + 1)');
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}
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