mirror of https://github.com/tc39/test262.git
53 lines
1.1 KiB
JavaScript
53 lines
1.1 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: The production x <<= y is the same as x = x << y
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es5id: 11.13.2_A4.6_T1.3
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description: Type(x) and Type(y) vary between primitive string and String object
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---*/
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var x;
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//CHECK#1
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x = "1";
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x <<= "1";
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if (x !== 2) {
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throw new Test262Error('#1: x = "1"; x <<= "1"; x === 2. Actual: ' + (x));
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}
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//CHECK#2
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x = new String("1");
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x <<= "1";
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if (x !== 2) {
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throw new Test262Error('#2: x = new String("1"); x <<= "1"; x === 2. Actual: ' + (x));
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}
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//CHECK#3
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x = "1";
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x <<= new String("1");
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if (x !== 2) {
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throw new Test262Error('#3: x = "1"; x <<= new String("1"); x === 2. Actual: ' + (x));
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}
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//CHECK#4
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x = new String("1");
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x <<= new String("1");
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if (x !== 2) {
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throw new Test262Error('#4: x = new String("1"); x <<= new String("1"); x === 2. Actual: ' + (x));
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}
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//CHECK#5
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x = "x";
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x <<= "1";
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if (x !== 0) {
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throw new Test262Error('#5: x = "x"; x <<= "1"; x === 0. Actual: ' + (x));
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}
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//CHECK#6
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x = "1";
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x <<= "x";
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if (x !== 1) {
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throw new Test262Error('#6: x = "1"; x <<= "x"; x === 1. Actual: ' + (x));
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}
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