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1 // Copyright 2009 the Sputnik authors. All rights reserved. |
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2 // This code is governed by the BSD license found in the LICENSE file. |
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3 |
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4 /** |
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5 * 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) |
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6 * |
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7 * @path ch11/11.6/11.6.1/S11.6.1_A3.2_T2.4.js |
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8 * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between String (primitive or object) and Null |
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9 */ |
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10 |
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11 //CHECK#1 |
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12 if ("1" + null !== "1null") { |
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13 $ERROR('#1: "1" + null === "1null". Actual: ' + ("1" + null)); |
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14 } |
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15 |
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16 //CHECK#2 |
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17 if (null + "1" !== "null1") { |
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18 $ERROR('#2: null + "1" === "null1". Actual: ' + (null + "1")); |
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19 } |
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20 |
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21 //CHECK#3 |
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22 if (new String("1") + null !== "1null") { |
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23 $ERROR('#3: new String("1") + null === "1null". Actual: ' + (new String("1") + null)); |
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24 } |
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25 |
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26 //CHECK#4 |
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27 if (null + new String("1") !== "null1") { |
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28 $ERROR('#4: null + new String("1") === "null1". Actual: ' + (null + new String("1"))); |
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29 } |
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30 |