Index: test/webkit/fast/js/read-modify-eval.js |
diff --git a/test/webkit/fast/js/read-modify-eval.js b/test/webkit/fast/js/read-modify-eval.js |
new file mode 100644 |
index 0000000000000000000000000000000000000000..637bc5e8dad2744799a016fd2705a57e5004c523 |
--- /dev/null |
+++ b/test/webkit/fast/js/read-modify-eval.js |
@@ -0,0 +1,169 @@ |
+// Copyright 2013 the V8 project authors. All rights reserved. |
+// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. |
+// |
+// Redistribution and use in source and binary forms, with or without |
+// modification, are permitted provided that the following conditions |
+// are met: |
+// 1. Redistributions of source code must retain the above copyright |
+// notice, this list of conditions and the following disclaimer. |
+// 2. 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. |
+// |
+// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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. |
+ |
+description( |
+'Tests whether eval() works inside statements that read and modify a value.' |
+); |
+ |
+function multTest() |
+{ |
+ var x = 1; |
+ x *= eval('2'); |
+ return x == 2; |
+} |
+ |
+function divTest() |
+{ |
+ var x = 2; |
+ x /= eval('2'); |
+ return x == 1; |
+} |
+ |
+function addTest() |
+{ |
+ var x = 0; |
+ x += eval('1'); |
+ return x == 1; |
+} |
+ |
+function subTest() |
+{ |
+ var x = 0; |
+ x -= eval('1'); |
+ return x == -1; |
+} |
+ |
+function lshiftTest() |
+{ |
+ var x = 1; |
+ x <<= eval('1'); |
+ return x == 2; |
+} |
+ |
+function rshiftTest() |
+{ |
+ var x = 1; |
+ x >>= eval('1'); |
+ return x == 0; |
+} |
+ |
+function urshiftTest() |
+{ |
+ var x = 1; |
+ x >>>= eval('1'); |
+ return x == 0; |
+} |
+ |
+function andTest() |
+{ |
+ var x = 1; |
+ x &= eval('1'); |
+ return x == 1; |
+} |
+ |
+function xorTest() |
+{ |
+ var x = 0; |
+ x ^= eval('1'); |
+ return x == 1; |
+} |
+ |
+function orTest() |
+{ |
+ var x = 0; |
+ x |= eval('1'); |
+ return x == 1; |
+} |
+ |
+function modTest() |
+{ |
+ var x = 4; |
+ x %= eval('3'); |
+ return x == 1; |
+} |
+ |
+function preIncTest() |
+{ |
+ var x = { value: 0 }; |
+ ++eval('x').value; |
+ return x.value == 1; |
+} |
+ |
+function preDecTest() |
+{ |
+ var x = { value: 0 }; |
+ --eval('x').value; |
+ return x.value == -1; |
+} |
+ |
+function postIncTest() |
+{ |
+ var x = { value: 0 }; |
+ eval('x').value++; |
+ return x.value == 1; |
+} |
+ |
+function postDecTest() |
+{ |
+ var x = { value: 0 }; |
+ eval('x').value--; |
+ return x.value == -1; |
+} |
+ |
+function primitiveThisTest() |
+{ |
+ // Test that conversion of this is persistant over multiple calls to eval, |
+ // even where 'this' is not directly used within the function. |
+ eval('this.value = "Seekrit message";'); |
+ return eval('this.value') === "Seekrit message"; |
+} |
+ |
+function strictThisTest() |
+{ |
+ // In a strict mode function primitive this values are not converted, so |
+ // the property access in the first eval is writing a value to a temporary |
+ // object. This throws, per section 8.7.2. |
+ "use strict"; |
+ eval('this.value = "Seekrit message";'); |
+ return eval('this.value') === undefined; |
+} |
+ |
+shouldBeTrue('multTest();'); |
+shouldBeTrue('divTest();'); |
+shouldBeTrue('addTest();'); |
+shouldBeTrue('subTest();'); |
+shouldBeTrue('lshiftTest();'); |
+shouldBeTrue('rshiftTest();'); |
+shouldBeTrue('urshiftTest();'); |
+shouldBeTrue('andTest();'); |
+shouldBeTrue('xorTest();'); |
+shouldBeTrue('orTest();'); |
+shouldBeTrue('modTest();'); |
+ |
+shouldBeTrue('preIncTest();'); |
+shouldBeTrue('preDecTest();'); |
+shouldBeTrue('postIncTest();'); |
+shouldBeTrue('postDecTest();'); |
+ |
+shouldBeTrue('primitiveThisTest.call(1);'); |
+shouldThrow('strictThisTest.call(1);'); |