Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 1 | // Copyright 2014 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 | #include <stdlib.h> |
| 29 | |
| 30 | #include "src/v8.h" |
| 31 | |
| 32 | #include "src/factory.h" |
| 33 | #include "test/cctest/cctest.h" |
| 34 | |
| 35 | namespace { |
| 36 | |
| 37 | using namespace v8::internal; |
| 38 | |
| 39 | |
| 40 | TEST(Set) { |
| 41 | LocalContext context; |
| 42 | Isolate* isolate = CcTest::i_isolate(); |
| 43 | Factory* factory = isolate->factory(); |
| 44 | HandleScope scope(isolate); |
| 45 | Handle<OrderedHashSet> ordered_set = factory->NewOrderedHashSet(); |
| 46 | CHECK_EQ(2, ordered_set->NumberOfBuckets()); |
| 47 | CHECK_EQ(0, ordered_set->NumberOfElements()); |
| 48 | CHECK_EQ(0, ordered_set->NumberOfDeletedElements()); |
| 49 | |
| 50 | Handle<Map> map = factory->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize); |
| 51 | Handle<JSObject> obj = factory->NewJSObjectFromMap(map); |
| 52 | CHECK(!ordered_set->Contains(obj)); |
| 53 | ordered_set = OrderedHashSet::Add(ordered_set, obj); |
| 54 | CHECK_EQ(1, ordered_set->NumberOfElements()); |
| 55 | CHECK(ordered_set->Contains(obj)); |
| 56 | bool was_present = false; |
| 57 | ordered_set = OrderedHashSet::Remove(ordered_set, obj, &was_present); |
| 58 | CHECK(was_present); |
| 59 | CHECK_EQ(0, ordered_set->NumberOfElements()); |
| 60 | CHECK(!ordered_set->Contains(obj)); |
| 61 | |
| 62 | // Removing a not-present object should set was_present to false. |
| 63 | ordered_set = OrderedHashSet::Remove(ordered_set, obj, &was_present); |
| 64 | CHECK(!was_present); |
| 65 | |
| 66 | // Test for collisions/chaining |
| 67 | Handle<JSObject> obj1 = factory->NewJSObjectFromMap(map); |
| 68 | ordered_set = OrderedHashSet::Add(ordered_set, obj1); |
| 69 | Handle<JSObject> obj2 = factory->NewJSObjectFromMap(map); |
| 70 | ordered_set = OrderedHashSet::Add(ordered_set, obj2); |
| 71 | Handle<JSObject> obj3 = factory->NewJSObjectFromMap(map); |
| 72 | ordered_set = OrderedHashSet::Add(ordered_set, obj3); |
| 73 | CHECK_EQ(3, ordered_set->NumberOfElements()); |
| 74 | CHECK(ordered_set->Contains(obj1)); |
| 75 | CHECK(ordered_set->Contains(obj2)); |
| 76 | CHECK(ordered_set->Contains(obj3)); |
| 77 | |
| 78 | // Test growth |
| 79 | ordered_set = OrderedHashSet::Add(ordered_set, obj); |
| 80 | Handle<JSObject> obj4 = factory->NewJSObjectFromMap(map); |
| 81 | ordered_set = OrderedHashSet::Add(ordered_set, obj4); |
| 82 | CHECK(ordered_set->Contains(obj)); |
| 83 | CHECK(ordered_set->Contains(obj1)); |
| 84 | CHECK(ordered_set->Contains(obj2)); |
| 85 | CHECK(ordered_set->Contains(obj3)); |
| 86 | CHECK(ordered_set->Contains(obj4)); |
| 87 | CHECK_EQ(5, ordered_set->NumberOfElements()); |
| 88 | CHECK_EQ(0, ordered_set->NumberOfDeletedElements()); |
| 89 | CHECK_EQ(4, ordered_set->NumberOfBuckets()); |
| 90 | |
| 91 | // Test shrinking |
| 92 | ordered_set = OrderedHashSet::Remove(ordered_set, obj, &was_present); |
| 93 | CHECK(was_present); |
| 94 | ordered_set = OrderedHashSet::Remove(ordered_set, obj1, &was_present); |
| 95 | CHECK(was_present); |
| 96 | ordered_set = OrderedHashSet::Remove(ordered_set, obj2, &was_present); |
| 97 | CHECK(was_present); |
| 98 | ordered_set = OrderedHashSet::Remove(ordered_set, obj3, &was_present); |
| 99 | CHECK(was_present); |
| 100 | CHECK_EQ(1, ordered_set->NumberOfElements()); |
| 101 | CHECK_EQ(2, ordered_set->NumberOfBuckets()); |
| 102 | } |
| 103 | |
| 104 | |
| 105 | TEST(Map) { |
| 106 | LocalContext context; |
| 107 | Isolate* isolate = CcTest::i_isolate(); |
| 108 | Factory* factory = isolate->factory(); |
| 109 | HandleScope scope(isolate); |
| 110 | Handle<OrderedHashMap> ordered_map = factory->NewOrderedHashMap(); |
| 111 | CHECK_EQ(2, ordered_map->NumberOfBuckets()); |
| 112 | CHECK_EQ(0, ordered_map->NumberOfElements()); |
| 113 | CHECK_EQ(0, ordered_map->NumberOfDeletedElements()); |
| 114 | |
| 115 | Handle<Map> map = factory->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize); |
| 116 | Handle<JSObject> obj = factory->NewJSObjectFromMap(map); |
| 117 | Handle<JSObject> val = factory->NewJSObjectFromMap(map); |
| 118 | CHECK(ordered_map->Lookup(obj)->IsTheHole()); |
| 119 | ordered_map = OrderedHashMap::Put(ordered_map, obj, val); |
| 120 | CHECK_EQ(1, ordered_map->NumberOfElements()); |
| 121 | Object* lookup = ordered_map->Lookup(obj); |
| 122 | CHECK(lookup->SameValue(*val)); |
| 123 | bool was_present = false; |
| 124 | ordered_map = OrderedHashMap::Remove(ordered_map, obj, &was_present); |
| 125 | CHECK(was_present); |
| 126 | CHECK_EQ(0, ordered_map->NumberOfElements()); |
| 127 | CHECK(ordered_map->Lookup(obj)->IsTheHole()); |
| 128 | |
| 129 | // Test for collisions/chaining |
| 130 | Handle<JSObject> obj1 = factory->NewJSObjectFromMap(map); |
| 131 | Handle<JSObject> obj2 = factory->NewJSObjectFromMap(map); |
| 132 | Handle<JSObject> obj3 = factory->NewJSObjectFromMap(map); |
| 133 | Handle<JSObject> val1 = factory->NewJSObjectFromMap(map); |
| 134 | Handle<JSObject> val2 = factory->NewJSObjectFromMap(map); |
| 135 | Handle<JSObject> val3 = factory->NewJSObjectFromMap(map); |
| 136 | ordered_map = OrderedHashMap::Put(ordered_map, obj1, val1); |
| 137 | ordered_map = OrderedHashMap::Put(ordered_map, obj2, val2); |
| 138 | ordered_map = OrderedHashMap::Put(ordered_map, obj3, val3); |
| 139 | CHECK_EQ(3, ordered_map->NumberOfElements()); |
| 140 | lookup = ordered_map->Lookup(obj1); |
| 141 | CHECK(lookup->SameValue(*val1)); |
| 142 | lookup = ordered_map->Lookup(obj2); |
| 143 | CHECK(lookup->SameValue(*val2)); |
| 144 | lookup = ordered_map->Lookup(obj3); |
| 145 | CHECK(lookup->SameValue(*val3)); |
| 146 | |
| 147 | // Test growth |
| 148 | ordered_map = OrderedHashMap::Put(ordered_map, obj, val); |
| 149 | Handle<JSObject> obj4 = factory->NewJSObjectFromMap(map); |
| 150 | Handle<JSObject> val4 = factory->NewJSObjectFromMap(map); |
| 151 | ordered_map = OrderedHashMap::Put(ordered_map, obj4, val4); |
| 152 | lookup = ordered_map->Lookup(obj); |
| 153 | CHECK(lookup->SameValue(*val)); |
| 154 | lookup = ordered_map->Lookup(obj1); |
| 155 | CHECK(lookup->SameValue(*val1)); |
| 156 | lookup = ordered_map->Lookup(obj2); |
| 157 | CHECK(lookup->SameValue(*val2)); |
| 158 | lookup = ordered_map->Lookup(obj3); |
| 159 | CHECK(lookup->SameValue(*val3)); |
| 160 | lookup = ordered_map->Lookup(obj4); |
| 161 | CHECK(lookup->SameValue(*val4)); |
| 162 | CHECK_EQ(5, ordered_map->NumberOfElements()); |
| 163 | CHECK_EQ(4, ordered_map->NumberOfBuckets()); |
| 164 | |
| 165 | // Test shrinking |
| 166 | ordered_map = OrderedHashMap::Remove(ordered_map, obj, &was_present); |
| 167 | CHECK(was_present); |
| 168 | ordered_map = OrderedHashMap::Remove(ordered_map, obj1, &was_present); |
| 169 | CHECK(was_present); |
| 170 | ordered_map = OrderedHashMap::Remove(ordered_map, obj2, &was_present); |
| 171 | CHECK(was_present); |
| 172 | ordered_map = OrderedHashMap::Remove(ordered_map, obj3, &was_present); |
| 173 | CHECK(was_present); |
| 174 | CHECK_EQ(1, ordered_map->NumberOfElements()); |
| 175 | CHECK_EQ(2, ordered_map->NumberOfBuckets()); |
| 176 | } |
| 177 | |
| 178 | |
| 179 | } |