// Copyright 2009 the Sputnik authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- info: | If Type(Primitive(x)) is String or Type(Primitive(y)) is String, then operator x + y returns the result of concatenating ToString(x) followed by ToString(y) es5id: 11.6.1_A3.2_T2.3 description: > Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between String (primitive or object) and Undefined ---*/ //CHECK#1 if ("1" + undefined !== "1undefined") { throw new Test262Error('#1: "1" + undefined === "1undefined". Actual: ' + ("1" + undefined)); } //CHECK#2 if (undefined + "1" !== "undefined1") { throw new Test262Error('#2: undefined + "1" === "undefined1". Actual: ' + (undefined + "1")); } //CHECK#3 if (new String("1") + undefined !== "1undefined") { throw new Test262Error('#3: new String("1") + undefined === "1undefined". Actual: ' + (new String("1") + undefined)); } //CHECK#4 if (undefined + new String("1") !== "undefined1") { throw new Test262Error('#4: undefined + new String("1") === "undefined1". Actual: ' + (undefined + new String("1"))); }