S11.6.1_A3.2_T2.4.js (1081B)
1 // Copyright 2009 the Sputnik authors. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 4 /*--- 5 info: | 6 If Type(Primitive(x)) is String or Type(Primitive(y)) is String, then 7 operator x + y returns the result of concatenating ToString(x) followed 8 by ToString(y) 9 es5id: 11.6.1_A3.2_T2.4 10 description: > 11 Type(Primitive(x)) is different from Type(Primitive(y)) and both 12 types vary between String (primitive or object) and Null 13 ---*/ 14 15 //CHECK#1 16 if ("1" + null !== "1null") { 17 throw new Test262Error('#1: "1" + null === "1null". Actual: ' + ("1" + null)); 18 } 19 20 //CHECK#2 21 if (null + "1" !== "null1") { 22 throw new Test262Error('#2: null + "1" === "null1". Actual: ' + (null + "1")); 23 } 24 25 //CHECK#3 26 if (new String("1") + null !== "1null") { 27 throw new Test262Error('#3: new String("1") + null === "1null". Actual: ' + (new String("1") + null)); 28 } 29 30 //CHECK#4 31 if (null + new String("1") !== "null1") { 32 throw new Test262Error('#4: null + new String("1") === "null1". Actual: ' + (null + new String("1"))); 33 } 34 35 reportCompare(0, 0);