S11.13.2_A4.5_T1.2.js (890B)
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: The production x -= y is the same as x = x - y 6 es5id: 11.13.2_A4.5_T1.2 7 description: Type(x) and Type(y) vary between primitive number and Number object 8 ---*/ 9 10 var x; 11 12 //CHECK#1 13 x = 1; 14 x -= 1; 15 if (x !== 0) { 16 throw new Test262Error('#1: x = 1; x -= 1; x === 0. Actual: ' + (x)); 17 } 18 19 //CHECK#2 20 x = new Number(1); 21 x -= 1; 22 if (x !== 0) { 23 throw new Test262Error('#2: x = new Number(1); x -= 1; x === 0. Actual: ' + (x)); 24 } 25 26 //CHECK#3 27 x = 1; 28 x -= new Number(1); 29 if (x !== 0) { 30 throw new Test262Error('#3: x = 1; x -= new Number(1); x === 0. Actual: ' + (x)); 31 } 32 33 //CHECK#4 34 x = new Number(1); 35 x -= new Number(1); 36 if (x !== 0) { 37 throw new Test262Error('#4: x = new Number(1); x -= new Number(1); x === 0. Actual: ' + (x)); 38 } 39 40 reportCompare(0, 0);