Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2012 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 | // Flags: --allow-natives-syntax |
| 29 | |
| 30 | // Check that keyed stores make things go dict mode faster than non-keyed |
| 31 | // stores. |
| 32 | |
| 33 | function AddProps(obj) { |
| 34 | for (var i = 0; i < 26; i++) { |
| 35 | obj["x" + i] = 0; |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | |
| 40 | function AddPropsNonKeyed(obj) { |
| 41 | obj.x0 = 0; |
| 42 | obj.x1 = 0; |
| 43 | obj.x2 = 0; |
| 44 | obj.x3 = 0; |
| 45 | obj.x4 = 0; |
| 46 | obj.x5 = 0; |
| 47 | obj.x6 = 0; |
| 48 | obj.x7 = 0; |
| 49 | obj.x8 = 0; |
| 50 | obj.x9 = 0; |
| 51 | obj.x10 = 0; |
| 52 | obj.x11 = 0; |
| 53 | obj.x12 = 0; |
| 54 | obj.x13 = 0; |
| 55 | obj.x14 = 0; |
| 56 | obj.x15 = 0; |
| 57 | obj.x16 = 0; |
| 58 | obj.x17 = 0; |
| 59 | obj.x18 = 0; |
| 60 | obj.x19 = 0; |
| 61 | obj.x20 = 0; |
| 62 | obj.x21 = 0; |
| 63 | obj.x22 = 0; |
| 64 | obj.x23 = 0; |
| 65 | obj.x24 = 0; |
| 66 | obj.x25 = 0; |
| 67 | } |
| 68 | |
| 69 | function AddProps3(obj) { |
| 70 | obj["x0"] = 0; |
| 71 | obj["x1"] = 0; |
| 72 | obj["x2"] = 0; |
| 73 | obj["x3"] = 0; |
| 74 | obj["x4"] = 0; |
| 75 | obj["x5"] = 0; |
| 76 | obj["x6"] = 0; |
| 77 | obj["x7"] = 0; |
| 78 | obj["x8"] = 0; |
| 79 | obj["x9"] = 0; |
| 80 | obj["x10"] = 0; |
| 81 | obj["x11"] = 0; |
| 82 | obj["x12"] = 0; |
| 83 | obj["x13"] = 0; |
| 84 | obj["x14"] = 0; |
| 85 | obj["x15"] = 0; |
| 86 | obj["x16"] = 0; |
| 87 | obj["x17"] = 0; |
| 88 | obj["x18"] = 0; |
| 89 | obj["x19"] = 0; |
| 90 | obj["x20"] = 0; |
| 91 | obj["x21"] = 0; |
| 92 | obj["x22"] = 0; |
| 93 | obj["x23"] = 0; |
| 94 | obj["x24"] = 0; |
| 95 | obj["x25"] = 0; |
| 96 | } |
| 97 | |
| 98 | |
| 99 | var keyed = {}; |
| 100 | AddProps(keyed); |
| 101 | assertFalse(%HasFastProperties(keyed)); |
| 102 | |
| 103 | var non_keyed = {}; |
| 104 | AddPropsNonKeyed(non_keyed); |
| 105 | assertTrue(%HasFastProperties(non_keyed)); |
| 106 | |
| 107 | var obj3 = {}; |
| 108 | AddProps3(obj3); |
| 109 | assertTrue(%HasFastProperties(obj3)); |
| 110 | |
| 111 | var funny_name = {}; |
| 112 | funny_name[".foo"] = 0; |
| 113 | assertTrue(%HasFastProperties(funny_name)); |