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// 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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* The production x -= y is the same as x = x - y
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* @path ch11/11.13/11.13.2/S11.13.2_A4.5_T2.9.js
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* @description Type(x) is different from Type(y) and both types vary between Boolean (primitive or object) and Null
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$ERROR('#1: x = true; x -= null; x === 1. Actual: ' + (x));
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$ERROR('#2: x = null; x -= true; x === -1. Actual: ' + (x));
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x = new Boolean(true);
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$ERROR('#3: x = new Boolean(true); x -= null; x === 1. Actual: ' + (x));
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x -= new Boolean(true);
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$ERROR('#4: x = null; x -= new Boolean(true); x === -1. Actual: ' + (x));