1 // Copyright 2008 the V8 project authors. All rights reserved. 2 // Redistribution and use in source and binary forms, with or without 3 // modification, are permitted provided that the following conditions are 4 // met: 5 // 6 // * Redistributions of source code must retain the above copyright 7 // notice, this list of conditions and the following disclaimer. 8 // * Redistributions in binary form must reproduce the above 9 // copyright notice, this list of conditions and the following 10 // disclaimer in the documentation and/or other materials provided 11 // with the distribution. 12 // * Neither the name of Google Inc. nor the names of its 13 // contributors may be used to endorse or promote products derived 14 // from this software without specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 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. 27 28 // Test that we get exceptions for invalid left-hand sides. The 29 // exceptions are delayed until runtime. 30 31 // Normal assignments: 32 assertThrows("12 = 12"); 33 assertThrows("x++ = 12"); 34 assertThrows("eval('var x') = 12"); 35 assertDoesNotThrow("if (false) eval('var x') = 12"); 36 37 // Pre- and post-fix operations: 38 assertThrows("12++"); 39 assertThrows("12--"); 40 assertThrows("--12"); 41 assertThrows("++12"); 42 assertThrows("++(eval('12'))"); 43 assertThrows("(eval('12'))++"); 44 assertDoesNotThrow("if (false) ++(eval('12'))"); 45 assertDoesNotThrow("if (false) (eval('12'))++"); 46 47 // For in: 48 assertThrows("for (12 in [1]) print(12);"); 49 assertThrows("for (eval('var x') in [1]) print(12);"); 50 assertDoesNotThrow("if (false) for (eval('var x') in [1]) print(12);"); 51 52 // For: 53 assertThrows("for (12 = 1;;) print(12);"); 54 assertThrows("for (eval('var x') = 1;;) print(12);"); 55 assertDoesNotThrow("if (false) for (eval('var x') = 1;;) print(12);"); 56 57 // Assignments to 'this'. 58 assertThrows("this = 42"); 59 assertDoesNotThrow("function f() { this = 12; }"); 60 assertThrows("for (this in {x:3, y:4, z:5}) ;"); 61 assertThrows("for (this = 0;;) ;"); 62 assertThrows("this++"); 63 assertThrows("++this"); 64 assertThrows("this--"); 65 assertThrows("--this"); 66