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1 /* |
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2 * Any copyright is dedicated to the Public Domain. |
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3 * http://creativecommons.org/licenses/publicdomain/ |
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4 * Contributor: Dave Herman |
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5 */ |
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6 |
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7 function earlyError(src) { |
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8 var threw; |
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9 try { |
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10 eval(src); |
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11 threw = false; |
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12 } catch (expected) { |
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13 threw = true; |
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14 } |
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15 assertEq(threw, true); |
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16 } |
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17 |
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18 earlyError("'use strict'; let (x) 42;"); |
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19 earlyError("function f() { 'use strict'; let (x) 42;"); |
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20 earlyError("'use strict'; function id(x) { return x } let (a=1) a ? f : x++(42);"); |
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21 earlyError("function id(x) { return x } function f() { 'use strict'; let (a=1) a ? f : x++(42); }"); |
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22 earlyError("'use strict'; let (x=2, y=3) x=3, y=13"); |
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23 earlyError("function f() { 'use strict'; let (x=2, y=3) x=3, y=13 }"); |
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24 |
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25 x = "global"; |
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26 (let (x=2, y=3) x=3, y=13); |
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27 assertEq(x, "global"); |
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28 assertEq(y, 13); |
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29 |
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30 // https://bugzilla.mozilla.org/show_bug.cgi?id=569464#c12 |
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31 g = (let (x=7) x*x for each (x in [1,2,3])); |
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32 for (let y in g) { |
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33 assertEq(y, 49); |
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34 } |
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35 |
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36 reportCompare(0, 0, "In strict mode, let expression statements are disallowed."); |