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Unified Diff: test/webkit/fast/js/read-modify-eval.js

Issue 20280003: Migrate more tests from blink repository. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 5 months ago
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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);');

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