The Tor Browser: js/src/tests/test262/ch11/11.13/11.13.2/S11.13.2_A4.5

     1 // Copyright 2009 the Sputnik authors.  All rights reserved.

     2 // This code is governed by the BSD license found in the LICENSE file.

     4 /**

     5  * The production x -= y is the same as x = x - y

     6  *

     7  * @path ch11/11.13/11.13.2/S11.13.2_A4.5_T2.2.js

     8  * @description Type(x) is different from Type(y) and both types vary between Number (primitive or object) and String (primitive and object)

     9  */

    11 //CHECK#1

    12 x = "1";

    13 x -= 1;

    14 if (x !== 0) {

    15   $ERROR('#1: x = "1"; x -= 1; x === 0. Actual: ' + (x));

    16 }

    18 //CHECK#2

    19 x = 1;

    20 x -= "1";

    21 if (x !== 0) {

    22   $ERROR('#2: x = 1; x -= "1"; x === 0. Actual: ' + (x));

    23 }

    25 //CHECK#3

    26 x = new String("1");

    27 x -= 1;

    28 if (x !== 0) {

    29   $ERROR('#3: x = new String("1"); x -= 1; x === 0. Actual: ' + (x));

    30 }

    32 //CHECK#4

    33 x = 1;

    34 x -= new String("1");

    35 if (x !== 0) {

    36   $ERROR('#4: x = 1; x -= new String("1"); x === 0. Actual: ' + (x));

    37 }

    39 //CHECK#5

    40 x = "1";

    41 x -= new Number(1);

    42 if (x !== 0) {

    43   $ERROR('#5: x = "1"; x -= new Number(1); x === 0. Actual: ' + (x));

    44 }

    46 //CHECK#6

    47 x = new Number(1);

    48 x -= "1";

    49 if (x !== 0) {

    50   $ERROR('#6: x = new Number(1); x -= "1"; x === 0. Actual: ' + (x));

    51 }

    53 //CHECK#7

    54 x = new String("1");

    55 x -= new Number(1);

    56 if (x !== 0) {

    57   $ERROR('#7: x = new String("1"); x -= new Number(1); x === 0. Actual: ' + (x));

    58 }

    60 //CHECK#8

    61 x = new Number(1);

    62 x -= new String("1");

    63 if (x !== 0) {

    64   $ERROR('#8: x = new Number(1); x -= new String("1"); x === 0. Actual: ' + (x));

    65 }

    67 //CHECK#9

    68 x = "x";

    69 x -= 1;

    70 if (isNaN(x) !== true) {

    71   $ERROR('#9: x = "x"; x -= 1; x === Not-a-Number. Actual: ' + (x));

    72 }

    74 //CHECK#10

    75 x = 1;

    76 x -= "x";

    77 if (isNaN(x) !== true) {

    78   $ERROR('#10: x = 1; x -= "x"; x === Not-a-Number. Actual: ' + (x));

    79 }

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