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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
11 // with the distribution. | 11 // with the distribution. |
12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
15 // | 15 // |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 // Flags: --harmony-scoping | 28 // Flags: --harmony-scoping |
29 | 29 |
30 // TODO(ES6): properly activate extended mode | |
31 "use strict"; | 30 "use strict"; |
32 | 31 |
33 function props(x) { | 32 function props(x) { |
34 var array = []; | 33 var array = []; |
35 for (let p in x) array.push(p); | 34 for (let p in x) array.push(p); |
36 return array.sort(); | 35 return array.sort(); |
37 } | 36 } |
38 | 37 |
39 assertEquals(0, props({}).length); | 38 assertEquals(0, props({}).length); |
40 assertEquals(1, props({x:1}).length); | 39 assertEquals(1, props({x:1}).length); |
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86 for (let p in { get a() {}, b : 1}) { result += p; } | 85 for (let p in { get a() {}, b : 1}) { result += p; } |
87 assertEquals('ab', result); | 86 assertEquals('ab', result); |
88 | 87 |
89 var result = ''; | 88 var result = ''; |
90 for (let p in { get a() {}, set a(x) {}, b : 1}) { result += p; } | 89 for (let p in { get a() {}, set a(x) {}, b : 1}) { result += p; } |
91 assertEquals('ab', result); | 90 assertEquals('ab', result); |
92 | 91 |
93 | 92 |
94 // Check that there is exactly one variable without initializer | 93 // Check that there is exactly one variable without initializer |
95 // in a for-in statement with let variables. | 94 // in a for-in statement with let variables. |
96 // TODO(ES6): properly activate extended mode | |
97 assertThrows("function foo() { 'use strict'; for (let in {}) { } }", SyntaxError
); | 95 assertThrows("function foo() { 'use strict'; for (let in {}) { } }", SyntaxError
); |
98 assertThrows("function foo() { 'use strict'; for (let x = 3 in {}) { } }", Synta
xError); | 96 assertThrows("function foo() { 'use strict'; for (let x = 3 in {}) { } }", Synta
xError); |
99 assertThrows("function foo() { 'use strict'; for (let x, y in {}) { } }", Syntax
Error); | 97 assertThrows("function foo() { 'use strict'; for (let x, y in {}) { } }", Syntax
Error); |
100 assertThrows("function foo() { 'use strict'; for (let x = 3, y in {}) { } }", Sy
ntaxError); | 98 assertThrows("function foo() { 'use strict'; for (let x = 3, y in {}) { } }", Sy
ntaxError); |
101 assertThrows("function foo() { 'use strict'; for (let x, y = 4 in {}) { } }", Sy
ntaxError); | 99 assertThrows("function foo() { 'use strict'; for (let x, y = 4 in {}) { } }", Sy
ntaxError); |
102 assertThrows("function foo() { 'use strict'; for (let x = 3, y = 4 in {}) { } }"
, SyntaxError); | 100 assertThrows("function foo() { 'use strict'; for (let x = 3, y = 4 in {}) { } }"
, SyntaxError); |
103 | 101 |
104 | 102 |
105 // In a normal for statement the iteration variable is | 103 // In a normal for statement the iteration variable is |
106 // freshly allocated for each iteration. | 104 // freshly allocated for each iteration. |
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169 for (let p in x) { | 167 for (let p in x) { |
170 a.push(function () { return p; }); | 168 a.push(function () { return p; }); |
171 } | 169 } |
172 let k = 0; | 170 let k = 0; |
173 for (let q in x) { | 171 for (let q in x) { |
174 assertEquals(q, a[k]()); | 172 assertEquals(q, a[k]()); |
175 ++k; | 173 ++k; |
176 } | 174 } |
177 } | 175 } |
178 closures3({a : [0], b : 1, c : {v : 1}, get d() {}, set e(x) {}}); | 176 closures3({a : [0], b : 1, c : {v : 1}, get d() {}, set e(x) {}}); |
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