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Issue 148883002: Synchronize with r15594. (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/a64
Patch Set: Created 6 years, 10 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 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 function s(v) { 28 // Checks for security holes introduced by Object.property overrides.
29 v.x = 1; 29 // For example:
30 // Object.defineProperty(Array.prototype, 'locale', {
31 // set: function(value) {
32 // throw new Error('blah');
33 // },
34 // configurable: true,
35 // enumerable: false
36 // });
37 //
38 // would throw in case of (JS) x.locale = 'us' or (C++) x->Set('locale', 'us').
39 //
40 // Update both date-format.js and date-format.cc so they have the same list of
41 // properties.
42
43 // First get supported properties.
44 // Some of the properties are optional, so we request them.
45 var properties = [];
46 var options = Intl.DateTimeFormat(
47 'en-US', {weekday: 'short', era: 'short', year: 'numeric', month: 'short',
48 day: 'numeric', hour: 'numeric', minute: 'numeric',
49 second: 'numeric', timeZoneName: 'short'}).resolvedOptions();
50 for (var prop in options) {
51 if (options.hasOwnProperty(prop)) {
52 properties.push(prop);
53 }
30 } 54 }
31 55
32 function c(p) { 56 var expectedProperties = [
33 return {__proto__: p}; 57 'calendar', 'day', 'era', 'hour12', 'hour', 'locale',
34 } 58 'minute', 'month', 'numberingSystem',
59 'second', 'timeZone', 'timeZoneName', 'weekday', 'year'
60 ];
35 61
36 var p = {}; 62 assertEquals(expectedProperties.length, properties.length);
37 63
38 var o1 = c(p); 64 properties.forEach(function(prop) {
39 var o2 = c(p); 65 assertFalse(expectedProperties.indexOf(prop) === -1);
40 var o3 = c(p);
41 var o4 = c(p);
42 var o5 = c(p);
43
44 // Initialize the store IC.
45 s(o1);
46 s(o2);
47
48 // Install a setter on p.x
49 var count = 0;
50 Object.defineProperty(p, "x", {
51 set: function(x) {
52 count += 1;
53 }
54 }); 66 });
55 67
56 // Verify that the setter was called directly. 68 taintProperties(properties);
57 o3.x = 20;
58 assertEquals(1, count);
59 69
60 // Verify that monomorphic prototype failure is triggered in the IC. 70 var locale = Intl.DateTimeFormat().resolvedOptions().locale;
61 s(o4);
62 assertEquals(2, count);
63
64 // Verify that the newly installed IC is correct.
65 s(o5);
66 assertEquals(3, count);
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