mirror of https://github.com/tc39/test262.git
34 lines
1.1 KiB
JavaScript
34 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: |
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If Type(Primitive(x)) is String or Type(Primitive(y)) is String, then
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operator x + y returns the result of concatenating ToString(x) followed
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by ToString(y)
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es5id: 11.6.1_A3.2_T2.3
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description: >
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Type(Primitive(x)) is different from Type(Primitive(y)) and both
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types vary between String (primitive or object) and Undefined
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---*/
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//CHECK#1
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if ("1" + undefined !== "1undefined") {
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throw new Test262Error('#1: "1" + undefined === "1undefined". Actual: ' + ("1" + undefined));
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}
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//CHECK#2
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if (undefined + "1" !== "undefined1") {
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throw new Test262Error('#2: undefined + "1" === "undefined1". Actual: ' + (undefined + "1"));
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}
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//CHECK#3
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if (new String("1") + undefined !== "1undefined") {
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throw new Test262Error('#3: new String("1") + undefined === "1undefined". Actual: ' + (new String("1") + undefined));
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}
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//CHECK#4
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if (undefined + new String("1") !== "undefined1") {
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throw new Test262Error('#4: undefined + new String("1") === "undefined1". Actual: ' + (undefined + new String("1")));
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}
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