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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 |
| (...skipping 10 matching lines...) Expand all Loading... | |
| 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: --allow-natives-syntax --harmony-sloppy --no-legacy-const --harmony-sl oppy-let | 28 // Flags: --allow-natives-syntax --harmony-sloppy --no-legacy-const --harmony-sl oppy-let |
| 29 // Test functionality of block scopes. | 29 // Test functionality of block scopes. |
| 30 | 30 |
| 31 "use strict"; | |
|
adamk
2015/08/12 03:36:49
I don't think this should be strict...
Dan Ehrenberg
2015/08/12 17:53:01
Oops, deleted.
| |
| 32 | |
| 31 // Hoisting of var declarations. | 33 // Hoisting of var declarations. |
| 32 function f1() { | 34 function f1() { |
| 33 { | 35 { |
| 34 var x = 1; | 36 var x = 1; |
| 35 var y; | 37 var y; |
| 36 } | 38 } |
| 37 assertEquals(1, x) | 39 assertEquals(1, x) |
| 38 assertEquals(undefined, y) | 40 assertEquals(undefined, y) |
| 39 } | 41 } |
| 40 for (var j = 0; j < 5; ++j) f1(); | 42 for (var j = 0; j < 5; ++j) f1(); |
| 41 %OptimizeFunctionOnNextCall(f1); | 43 %OptimizeFunctionOnNextCall(f1); |
| 42 f1(); | 44 f1(); |
| 43 assertTrue(%GetOptimizationStatus(f1) != 2); | 45 assertTrue(%GetOptimizationStatus(f1) != 2); |
| 44 | 46 |
| 45 // Dynamic lookup in and through block contexts. | 47 // Dynamic lookup in and through block contexts. |
| 46 function f2(one) { | 48 function f2(one) { |
| 47 var x = one + 1; | 49 var x = one + 1; |
| 48 let y = one + 2; | 50 let y = one + 2; |
| 49 const u = one + 4; | 51 const u = one + 4; |
| 52 class a { static foo() { return one + 6; } } | |
| 50 { | 53 { |
| 51 let z = one + 3; | 54 let z = one + 3; |
| 52 const v = one + 5; | 55 const v = one + 5; |
| 56 class b { static foo() { return one + 7; } } | |
| 53 assertEquals(1, eval('one')); | 57 assertEquals(1, eval('one')); |
| 54 assertEquals(2, eval('x')); | 58 assertEquals(2, eval('x')); |
| 55 assertEquals(3, eval('y')); | 59 assertEquals(3, eval('y')); |
| 56 assertEquals(4, eval('z')); | 60 assertEquals(4, eval('z')); |
| 57 assertEquals(5, eval('u')); | 61 assertEquals(5, eval('u')); |
| 58 assertEquals(6, eval('v')); | 62 assertEquals(6, eval('v')); |
| 63 assertEquals(7, eval('a.foo()')); | |
| 64 assertEquals(8, eval('b.foo()')); | |
| 59 } | 65 } |
| 60 } | 66 } |
| 61 | 67 |
| 62 f2(1); | 68 f2(1); |
| 63 | 69 |
| 64 // Lookup in and through block contexts. | 70 // Lookup in and through block contexts. |
| 65 function f3(one) { | 71 function f3(one) { |
| 66 var x = one + 1; | 72 var x = one + 1; |
| 67 let y = one + 2; | 73 let y = one + 2; |
| 68 const u = one + 4; | 74 const u = one + 4; |
| 75 class a { static foo() { return one + 6; } } | |
| 69 { | 76 { |
| 70 let z = one + 3; | 77 let z = one + 3; |
| 71 const v = one + 5; | 78 const v = one + 5; |
| 79 class b { static foo() { return one + 7; } } | |
| 72 assertEquals(1, one); | 80 assertEquals(1, one); |
| 73 assertEquals(2, x); | 81 assertEquals(2, x); |
| 74 assertEquals(3, y); | 82 assertEquals(3, y); |
| 75 assertEquals(4, z); | 83 assertEquals(4, z); |
| 76 assertEquals(5, u); | 84 assertEquals(5, u); |
| 77 assertEquals(6, v); | 85 assertEquals(6, v); |
| 86 assertEquals(7, a.foo()); | |
| 87 assertEquals(8, b.foo()); | |
| 78 } | 88 } |
| 79 } | 89 } |
| 80 for (var j = 0; j < 5; ++j) f3(1); | 90 for (var j = 0; j < 5; ++j) f3(1); |
| 81 %OptimizeFunctionOnNextCall(f3); | 91 %OptimizeFunctionOnNextCall(f3); |
| 82 f3(1); | 92 f3(1); |
| 83 assertTrue(%GetOptimizationStatus(f3) != 2); | 93 assertTrue(%GetOptimizationStatus(f3) != 2); |
| 84 | 94 |
| 85 | 95 |
| 86 | 96 |
| 87 // Dynamic lookup from closure. | 97 // Dynamic lookup from closure. |
| 88 function f4(one) { | 98 function f4(one) { |
| 89 var x = one + 1; | 99 var x = one + 1; |
| 90 let y = one + 2; | 100 let y = one + 2; |
| 91 const u = one + 4; | 101 const u = one + 4; |
| 102 class a { static foo() { return one + 6; } } | |
| 92 { | 103 { |
| 93 let z = one + 3; | 104 let z = one + 3; |
| 94 const v = one + 5; | 105 const v = one + 5; |
| 106 class b { static foo() { return one + 7; } } | |
| 95 function f() { | 107 function f() { |
| 96 assertEquals(1, eval('one')); | 108 assertEquals(1, eval('one')); |
| 97 assertEquals(2, eval('x')); | 109 assertEquals(2, eval('x')); |
| 98 assertEquals(3, eval('y')); | 110 assertEquals(3, eval('y')); |
| 99 assertEquals(4, eval('z')); | 111 assertEquals(4, eval('z')); |
| 100 assertEquals(5, eval('u')); | 112 assertEquals(5, eval('u')); |
| 101 assertEquals(6, eval('v')); | 113 assertEquals(6, eval('v')); |
| 114 assertEquals(7, eval('a.foo()')); | |
| 115 assertEquals(8, eval('b.foo()')); | |
| 102 } | 116 } |
| 103 f(); | 117 f(); |
| 104 } | 118 } |
| 105 } | 119 } |
| 106 f4(1); | 120 f4(1); |
| 107 | 121 |
| 108 | 122 |
| 109 // Lookup from closure. | 123 // Lookup from closure. |
| 110 function f5(one) { | 124 function f5(one) { |
| 111 var x = one + 1; | 125 var x = one + 1; |
| 112 let y = one + 2; | 126 let y = one + 2; |
| 113 const u = one + 4; | 127 const u = one + 4; |
| 128 class a { static foo() { return one + 6; } } | |
| 114 { | 129 { |
| 115 let z = one + 3; | 130 let z = one + 3; |
| 116 const v = one + 5; | 131 const v = one + 5; |
| 132 class b { static foo() { return one + 7; } } | |
| 117 function f() { | 133 function f() { |
| 118 assertEquals(1, one); | 134 assertEquals(1, one); |
| 119 assertEquals(2, x); | 135 assertEquals(2, x); |
| 120 assertEquals(3, y); | 136 assertEquals(3, y); |
| 121 assertEquals(4, z); | 137 assertEquals(4, z); |
| 122 assertEquals(5, u); | 138 assertEquals(5, u); |
| 123 assertEquals(6, v); | 139 assertEquals(6, v); |
| 140 assertEquals(7, a.foo()); | |
| 141 assertEquals(8, b.foo()); | |
| 124 } | 142 } |
| 125 f(); | 143 f(); |
| 126 } | 144 } |
| 127 } | 145 } |
| 128 f5(1); | 146 f5(1); |
| 129 | 147 |
| 130 | 148 |
| 131 // Return from block. | 149 // Return from block. |
| 132 function f6() { | 150 function f6() { |
| 133 let x = 1; | 151 let x = 1; |
| 134 const u = 3; | 152 const u = 3; |
| 135 { | 153 { |
| 136 let y = 2; | 154 let y = 2; |
| 137 const v = 4; | 155 const v = 4; |
| 138 return x + y; | 156 return x + y; |
| 139 } | 157 } |
| 140 } | 158 } |
| 141 assertEquals(3, f6(6)); | 159 assertEquals(3, f6(6)); |
| 142 | 160 |
| 143 | 161 |
| 144 // Variable shadowing and lookup. | 162 // Variable shadowing and lookup. |
| 145 function f7(a) { | 163 function f7(a) { |
| 146 let b = 1; | 164 let b = 1; |
| 147 var c = 1; | 165 var c = 1; |
| 148 var d = 1; | 166 var d = 1; |
| 149 const e = 1; | 167 const e = 1; |
| 150 { // let variables shadowing argument, let, const and var variables | 168 class f { static foo() { return 1; } } |
| 169 { // let variables shadowing argument, let, const, class and var variables | |
| 151 let a = 2; | 170 let a = 2; |
| 152 let b = 2; | 171 let b = 2; |
| 153 let c = 2; | 172 let c = 2; |
| 154 let e = 2; | 173 let e = 2; |
| 174 let f = 2; | |
| 155 assertEquals(2,a); | 175 assertEquals(2,a); |
| 156 assertEquals(2,b); | 176 assertEquals(2,b); |
| 157 assertEquals(2,c); | 177 assertEquals(2,c); |
| 158 assertEquals(2,e); | 178 assertEquals(2,e); |
| 179 assertEquals(2,f); | |
| 159 } | 180 } |
| 160 { // const variables shadowing argument, let, const and var variables | 181 { // const variables shadowing argument, let, const and var variables |
| 161 const a = 2; | 182 const a = 2; |
| 162 const b = 2; | 183 const b = 2; |
| 163 const c = 2; | 184 const c = 2; |
| 164 const e = 2; | 185 const e = 2; |
| 186 const f = 2; | |
| 165 assertEquals(2,a); | 187 assertEquals(2,a); |
| 166 assertEquals(2,b); | 188 assertEquals(2,b); |
| 167 assertEquals(2,c); | 189 assertEquals(2,c); |
| 168 assertEquals(2,e); | 190 assertEquals(2,e); |
| 191 assertEquals(2,f); | |
| 192 } | |
| 193 { // class variables shadowing argument, let, const and var variables | |
| 194 class a { static foo() { return 2; } } | |
| 195 class b { static foo() { return 2; } } | |
| 196 class c { static foo() { return 2; } } | |
| 197 class d { static foo() { return 2; } } | |
| 198 class e { static foo() { return 2; } } | |
| 199 class f { static foo() { return 2; } } | |
| 200 assertEquals(2,a.foo()); | |
| 201 assertEquals(2,b.foo()); | |
| 202 assertEquals(2,c.foo()); | |
| 203 assertEquals(2,e.foo()); | |
| 204 assertEquals(2,f.foo()); | |
| 169 } | 205 } |
| 170 try { | 206 try { |
| 171 throw 'stuff1'; | 207 throw 'stuff1'; |
| 172 } catch (a) { | 208 } catch (a) { |
| 173 assertEquals('stuff1',a); | 209 assertEquals('stuff1',a); |
| 174 // catch variable shadowing argument | 210 // catch variable shadowing argument |
| 175 a = 2; | 211 a = 2; |
| 176 assertEquals(2,a); | 212 assertEquals(2,a); |
| 177 { | 213 { |
| 178 // let variable shadowing catch variable | 214 // let variable shadowing catch variable |
| (...skipping 38 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 217 assertEquals('stuff3', c); | 253 assertEquals('stuff3', c); |
| 218 (function() { | 254 (function() { |
| 219 // var variable shadowing catch variable | 255 // var variable shadowing catch variable |
| 220 var c = 3; | 256 var c = 3; |
| 221 })(); | 257 })(); |
| 222 assertEquals('stuff3', c); | 258 assertEquals('stuff3', c); |
| 223 c = 2; | 259 c = 2; |
| 224 } | 260 } |
| 225 assertEquals(1,c); | 261 assertEquals(1,c); |
| 226 (function(a,b,c,e) { | 262 (function(a,b,c,e) { |
| 227 // arguments shadowing argument, let, const and var variable | 263 // arguments shadowing argument, let, const, class and var variable |
| 228 a = 2; | 264 a = 2; |
| 229 b = 2; | 265 b = 2; |
| 230 c = 2; | 266 c = 2; |
| 231 e = 2; | 267 e = 2; |
| 268 f = 2; | |
| 232 assertEquals(2,a); | 269 assertEquals(2,a); |
| 233 assertEquals(2,b); | 270 assertEquals(2,b); |
| 234 assertEquals(2,c); | 271 assertEquals(2,c); |
| 235 assertEquals(2,e); | 272 assertEquals(2,e); |
| 273 assertEquals(2,f); | |
| 236 // var variable shadowing var variable | 274 // var variable shadowing var variable |
| 237 var d = 2; | 275 var d = 2; |
| 238 })(1,1); | 276 })(1,1); |
| 239 assertEquals(1,a); | 277 assertEquals(1,a); |
| 240 assertEquals(1,b); | 278 assertEquals(1,b); |
| 241 assertEquals(1,c); | 279 assertEquals(1,c); |
| 242 assertEquals(1,d); | 280 assertEquals(1,d); |
| 243 assertEquals(1,e); | 281 assertEquals(1,e); |
| 282 //assertEquals(1,f.foo()); | |
|
adamk
2015/08/12 03:36:49
Another odd comment; is something broken?
Dan Ehrenberg
2015/08/12 17:53:01
Fixed, thanks.
| |
| 244 } | 283 } |
| 245 f7(1); | 284 f7(1); |
| 246 | 285 |
| 247 | 286 |
| 248 // Ensure let and const variables are block local | 287 // Ensure let and const variables are block local |
| 249 // and var variables function local. | 288 // and var variables function local. |
| 250 function f8() { | 289 function f8() { |
| 251 var let_accessors = []; | 290 var let_accessors = []; |
| 252 var var_accessors = []; | 291 var var_accessors = []; |
| 253 var const_accessors = []; | 292 var const_accessors = []; |
| 293 var class_accessors = []; | |
| 254 for (var i = 0; i < 10; i++) { | 294 for (var i = 0; i < 10; i++) { |
| 255 let x = i; | 295 let x = i; |
| 256 var y = i; | 296 var y = i; |
| 257 const z = i; | 297 const z = i; |
| 298 class a { static foo() { return x; } } | |
| 258 let_accessors[i] = function() { return x; } | 299 let_accessors[i] = function() { return x; } |
| 259 var_accessors[i] = function() { return y; } | 300 var_accessors[i] = function() { return y; } |
| 260 const_accessors[i] = function() { return z; } | 301 const_accessors[i] = function() { return z; } |
| 302 class_accessors[i] = function() { return a; } | |
| 261 } | 303 } |
| 262 for (var j = 0; j < 10; j++) { | 304 for (var j = 0; j < 10; j++) { |
| 263 y = j + 10; | 305 y = j + 10; |
| 264 assertEquals(j, let_accessors[j]()); | 306 assertEquals(j, let_accessors[j]()); |
| 265 assertEquals(y, var_accessors[j]()); | 307 assertEquals(y, var_accessors[j]()); |
| 266 assertEquals(j, const_accessors[j]()); | 308 assertEquals(j, const_accessors[j]()); |
| 309 assertEquals(j, class_accessors[j]().foo()); | |
| 267 } | 310 } |
| 268 } | 311 } |
| 269 f8(); | 312 f8(); |
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