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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: --turbo-deoptimization --noharmony-scoping | 28 // Flags: --turbo-deoptimization |
| 29 // Flags: --noharmony-classes --noharmony-object-literals | |
| 30 | 29 |
| 31 function CheckStrictMode(code, exception) { | 30 function CheckStrictMode(code, exception) { |
| 32 assertDoesNotThrow(code); | 31 assertDoesNotThrow(code); |
| 33 assertThrows("'use strict';\n" + code, exception); | 32 assertThrows("'use strict';\n" + code, exception); |
| 34 assertThrows('"use strict";\n' + code, exception); | 33 assertThrows('"use strict";\n' + code, exception); |
| 35 assertDoesNotThrow("\ | 34 assertDoesNotThrow("\ |
| 36 function outer() {\ | 35 function outer() {\ |
| 37 function inner() {\n" | 36 function inner() {\n" |
| 38 + code + | 37 + code + |
| 39 "\n}\ | 38 "\n}\ |
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| 280 CheckStrictMode("function strict() { var x = ++arguments; }", SyntaxError); | 279 CheckStrictMode("function strict() { var x = ++arguments; }", SyntaxError); |
| 281 | 280 |
| 282 // Prefix decrement with eval or arguments | 281 // Prefix decrement with eval or arguments |
| 283 CheckStrictMode("function strict() { --eval; }", SyntaxError); | 282 CheckStrictMode("function strict() { --eval; }", SyntaxError); |
| 284 CheckStrictMode("function strict() { --arguments; }", SyntaxError); | 283 CheckStrictMode("function strict() { --arguments; }", SyntaxError); |
| 285 CheckStrictMode("function strict() { print(--eval); }", SyntaxError); | 284 CheckStrictMode("function strict() { print(--eval); }", SyntaxError); |
| 286 CheckStrictMode("function strict() { print(--arguments); }", SyntaxError); | 285 CheckStrictMode("function strict() { print(--arguments); }", SyntaxError); |
| 287 CheckStrictMode("function strict() { var x = --eval; }", SyntaxError); | 286 CheckStrictMode("function strict() { var x = --eval; }", SyntaxError); |
| 288 CheckStrictMode("function strict() { var x = --arguments; }", SyntaxError); | 287 CheckStrictMode("function strict() { var x = --arguments; }", SyntaxError); |
| 289 | 288 |
| 290 // Use of const in strict mode is disallowed in anticipation of ES Harmony. | |
| 291 CheckStrictMode("const x = 0;", SyntaxError); | |
| 292 CheckStrictMode("for (const x = 0; false;) {}", SyntaxError); | |
| 293 CheckStrictMode("function strict() { const x = 0; }", SyntaxError); | |
| 294 | |
| 295 // Strict mode only allows functions in StatementList | |
| 296 CheckStrictMode("if (true) { function invalid() {} }", SyntaxError); | |
| 297 CheckStrictMode("for (;false;) { function invalid() {} }", SyntaxError); | |
| 298 CheckStrictMode("{ function invalid() {} }", SyntaxError); | |
| 299 CheckStrictMode("try { function invalid() {} } catch(e) {}", SyntaxError); | |
| 300 CheckStrictMode("try { } catch(e) { function invalid() {} }", SyntaxError); | |
| 301 CheckStrictMode("function outer() {{ function invalid() {} }}", SyntaxError); | |
| 302 | |
| 303 // Delete of an unqualified identifier | 289 // Delete of an unqualified identifier |
| 304 CheckStrictMode("delete unqualified;", SyntaxError); | 290 CheckStrictMode("delete unqualified;", SyntaxError); |
| 305 CheckStrictMode("function strict() { delete unqualified; }", SyntaxError); | 291 CheckStrictMode("function strict() { delete unqualified; }", SyntaxError); |
| 306 CheckStrictMode("function function_name() { delete function_name; }", | 292 CheckStrictMode("function function_name() { delete function_name; }", |
| 307 SyntaxError); | 293 SyntaxError); |
| 308 CheckStrictMode("function strict(parameter) { delete parameter; }", | 294 CheckStrictMode("function strict(parameter) { delete parameter; }", |
| 309 SyntaxError); | 295 SyntaxError); |
| 310 CheckStrictMode("function strict() { var variable; delete variable; }", | 296 CheckStrictMode("function strict() { var variable; delete variable; }", |
| 311 SyntaxError); | 297 SyntaxError); |
| 312 CheckStrictMode("var variable; delete variable;", SyntaxError); | 298 CheckStrictMode("var variable; delete variable;", SyntaxError); |
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| 1212 assertSame(null, test(i)); | 1198 assertSame(null, test(i)); |
| 1213 } | 1199 } |
| 1214 })(); | 1200 })(); |
| 1215 | 1201 |
| 1216 | 1202 |
| 1217 (function TestStrictModeEval() { | 1203 (function TestStrictModeEval() { |
| 1218 "use strict"; | 1204 "use strict"; |
| 1219 eval("var eval_local = 10;"); | 1205 eval("var eval_local = 10;"); |
| 1220 assertThrows(function() { return eval_local; }, ReferenceError); | 1206 assertThrows(function() { return eval_local; }, ReferenceError); |
| 1221 })(); | 1207 })(); |
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