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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 |
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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 // Test let declarations in various settings. | 30 // Test let declarations in various settings. |
| 31 // TODO(ES6): properly activate extended mode |
| 32 "use strict"; |
31 | 33 |
32 // Global | 34 // Global |
33 let x; | 35 let x; |
34 let y = 2; | 36 let y = 2; |
35 const z = 4; | 37 const z = 4; |
36 | 38 |
37 // Block local | 39 // Block local |
38 { | 40 { |
39 let y; | 41 let y; |
40 let x = 3; | 42 let x = 3; |
41 const z = 5; | 43 const z = 5; |
42 } | 44 } |
43 | 45 |
44 assertEquals(undefined, x); | 46 assertEquals(undefined, x); |
45 assertEquals(2,y); | 47 assertEquals(2,y); |
46 assertEquals(4,z); | 48 assertEquals(4,z); |
47 | 49 |
48 if (true) { | 50 if (true) { |
49 let y; | 51 let y; |
50 assertEquals(undefined, y); | 52 assertEquals(undefined, y); |
51 } | 53 } |
52 | 54 |
53 // Invalid declarations are early errors in harmony mode and thus should trigger | 55 // Invalid declarations are early errors in harmony mode and thus should trigger |
54 // an exception in eval code during parsing, before even compiling or executing | 56 // an exception in eval code during parsing, before even compiling or executing |
55 // the code. Thus the generated function is not called here. | 57 // the code. Thus the generated function is not called here. |
56 function TestLocalThrows(str, expect) { | 58 function TestLocalThrows(str, expect) { |
57 assertThrows("(function(){" + str + "})", expect); | 59 assertThrows("(function(){ 'use strict'; " + str + "})", expect); |
58 } | 60 } |
59 | 61 |
60 function TestLocalDoesNotThrow(str) { | 62 function TestLocalDoesNotThrow(str) { |
61 assertDoesNotThrow("(function(){" + str + "})()"); | 63 assertDoesNotThrow("(function(){ 'use strict'; " + str + "})()"); |
62 } | 64 } |
63 | 65 |
64 // Test let declarations in statement positions. | 66 // Test let declarations in statement positions. |
65 TestLocalThrows("if (true) let x;", SyntaxError); | 67 TestLocalThrows("if (true) let x;", SyntaxError); |
66 TestLocalThrows("if (true) {} else let x;", SyntaxError); | 68 TestLocalThrows("if (true) {} else let x;", SyntaxError); |
67 TestLocalThrows("do let x; while (false)", SyntaxError); | 69 TestLocalThrows("do let x; while (false)", SyntaxError); |
68 TestLocalThrows("while (false) let x;", SyntaxError); | 70 TestLocalThrows("while (false) let x;", SyntaxError); |
69 TestLocalThrows("label: let x;", SyntaxError); | 71 TestLocalThrows("label: let x;", SyntaxError); |
70 TestLocalThrows("for (;false;) let x;", SyntaxError); | 72 TestLocalThrows("for (;false;) let x;", SyntaxError); |
71 TestLocalThrows("switch (true) { case true: let x; }", SyntaxError); | 73 TestLocalThrows("switch (true) { case true: let x; }", SyntaxError); |
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126 | 128 |
127 // Test function declarations in statement position in strict mode. | 129 // Test function declarations in statement position in strict mode. |
128 TestLocalThrows("function f() { if (true) function g() {}", SyntaxError); | 130 TestLocalThrows("function f() { if (true) function g() {}", SyntaxError); |
129 TestLocalThrows("function f() { if (true) {} else function g() {}", SyntaxError)
; | 131 TestLocalThrows("function f() { if (true) {} else function g() {}", SyntaxError)
; |
130 TestLocalThrows("function f() { do function g() {} while (false)", SyntaxError); | 132 TestLocalThrows("function f() { do function g() {} while (false)", SyntaxError); |
131 TestLocalThrows("function f() { while (false) function g() {}", SyntaxError); | 133 TestLocalThrows("function f() { while (false) function g() {}", SyntaxError); |
132 TestLocalThrows("function f() { label: function g() {}", SyntaxError); | 134 TestLocalThrows("function f() { label: function g() {}", SyntaxError); |
133 TestLocalThrows("function f() { for (;false;) function g() {}", SyntaxError); | 135 TestLocalThrows("function f() { for (;false;) function g() {}", SyntaxError); |
134 TestLocalThrows("function f() { switch (true) { case true: function g() {} }", S
yntaxError); | 136 TestLocalThrows("function f() { switch (true) { case true: function g() {} }", S
yntaxError); |
135 TestLocalThrows("function f() { switch (true) { default: function g() {} }", Syn
taxError); | 137 TestLocalThrows("function f() { switch (true) { default: function g() {} }", Syn
taxError); |
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