mirror of https://github.com/tc39/test262.git
79 lines
1.9 KiB
JavaScript
79 lines
1.9 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 a ECMAScript floating-point remainder operation is
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determined by the rules of IEEE arithmetics
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es5id: 11.5.3_A4_T7
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description: >
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If operands neither an infinity, nor a zero, nor NaN, return x -
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truncate(x / y) * y
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---*/
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function truncate(x) {
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if (x > 0) {
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return Math.floor(x);
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} else {
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return Math.ceil(x);
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}
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}
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var x, y;
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//CHECK#1
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x = 1.3;
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y = 1.1;
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if (x % y !== 0.19999999999999996) {
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throw new Test262Error('#1: x = 1.3; y = 1.1; x % y === 0.19999999999999996. Actual: ' + (x % y));
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}
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//CHECK#2
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x = -1.3;
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y = 1.1;
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if (x % y !== -0.19999999999999996) {
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throw new Test262Error('#2: x = -1.3; y = 1.1; x % y === -0.19999999999999996. Actual: ' + (x % y));
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}
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//CHECK#3
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x = 1.3;
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y = -1.1;
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if (x % y !== 0.19999999999999996) {
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throw new Test262Error('#3: x = 1.3; y = -1.1; x % y === 0.19999999999999996. Actual: ' + (x % y));
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}
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//CHECK#4
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x = -1.3;
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y = -1.1;
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if (x % y !== -0.19999999999999996) {
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throw new Test262Error('#4: x = -1.3; y = -1.1; x % y === -0.19999999999999996. Actual: ' + (x % y));
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}
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//CHECK#5
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x = 1.3;
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y = 1.1;
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if (x % y !== x - truncate(x / y) * y) {
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throw new Test262Error('#5: x = 1.3; y = 1.1; x % y === x - truncate(x / y) * y. Actual: ' + (x % y));
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}
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//CHECK#6
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x = -1.3;
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y = 1.1;
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if (x % y !== x - truncate(x / y) * y) {
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throw new Test262Error('#6: x = -1.3; y = 1.1; x % y === x - truncate(x / y) * y. Actual: ' + (x % y));
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}
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//CHECK#7
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x = 1.3;
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y = -1.1;
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if (x % y !== x - truncate(x / y) * y) {
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throw new Test262Error('#7: x = 1.3; y = -1.1; x % y === x - truncate(x / y) * y. Actual: ' + (x % y));
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}
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//CHECK#8
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x = -1.3;
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y = -1.1;
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if (x % y !== x - truncate(x / y) * y) {
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throw new Test262Error('#8: x = -1.3; y = -1.1; x % y === x - truncate(x / y) * y. Actual: ' + (x % y));
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}
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