JezK
Edit File: invalid-lhs.js
// Copyright 2008 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // Test that we get exceptions for invalid left-hand sides. The // exceptions are delayed until runtime. // Normal assignments: assertThrows("12 = 12"); assertThrows("x++ = 12"); assertThrows("eval('var x') = 12"); assertDoesNotThrow("if (false) eval('var x') = 12"); // Pre- and post-fix operations: assertThrows("12++"); assertThrows("12--"); assertThrows("--12"); assertThrows("++12"); assertThrows("++(eval('12'))"); assertThrows("(eval('12'))++"); assertDoesNotThrow("if (false) ++(eval('12'))"); assertDoesNotThrow("if (false) (eval('12'))++"); // For in: assertThrows("for (12 in [1]) print(12);"); assertThrows("for (eval('var x') in [1]) print(12);"); assertDoesNotThrow("if (false) for (eval('var x') in [1]) print(12);"); // For: assertThrows("for (12 = 1;;) print(12);"); assertThrows("for (eval('var x') = 1;;) print(12);"); assertDoesNotThrow("if (false) for (eval('var x') = 1;;) print(12);"); // Assignments to 'this'. assertThrows("this = 42"); assertDoesNotThrow("function f() { this = 12; }"); assertThrows("for (this in {x:3, y:4, z:5}) ;"); assertThrows("for (this = 0;;) ;"); assertThrows("this++"); assertThrows("++this"); assertThrows("this--"); assertThrows("--this");