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 #include <stdlib.h> 29 30 #include "v8.h" 31 32 #include "data-flow.h" 33 #include "cctest.h" 34 35 using namespace v8::internal; 36 37 TEST(BitVector) { 38 v8::internal::V8::Initialize(NULL); 39 ZoneScope zone_scope(Isolate::Current(), DELETE_ON_EXIT); 40 Zone* zone = ZONE; 41 { 42 BitVector v(15, zone); 43 v.Add(1); 44 CHECK(v.Contains(1)); 45 v.Remove(0); 46 CHECK(!v.Contains(0)); 47 v.Add(0); 48 v.Add(1); 49 BitVector w(15, zone); 50 w.Add(1); 51 v.Intersect(w); 52 CHECK(!v.Contains(0)); 53 CHECK(v.Contains(1)); 54 } 55 56 { 57 BitVector v(64, zone); 58 v.Add(27); 59 v.Add(30); 60 v.Add(31); 61 v.Add(33); 62 BitVector::Iterator iter(&v); 63 CHECK_EQ(27, iter.Current()); 64 iter.Advance(); 65 CHECK_EQ(30, iter.Current()); 66 iter.Advance(); 67 CHECK_EQ(31, iter.Current()); 68 iter.Advance(); 69 CHECK_EQ(33, iter.Current()); 70 iter.Advance(); 71 CHECK(iter.Done()); 72 } 73 74 { 75 BitVector v(15, zone); 76 v.Add(0); 77 BitVector w(15, zone); 78 w.Add(1); 79 v.Union(w); 80 CHECK(v.Contains(0)); 81 CHECK(v.Contains(1)); 82 } 83 84 { 85 BitVector v(15, zone); 86 v.Add(0); 87 BitVector w(15, zone); 88 w = v; 89 CHECK(w.Contains(0)); 90 w.Add(1); 91 BitVector u(w, zone); 92 CHECK(u.Contains(0)); 93 CHECK(u.Contains(1)); 94 v.Union(w); 95 CHECK(v.Contains(0)); 96 CHECK(v.Contains(1)); 97 } 98 99 { 100 BitVector v(35, zone); 101 v.Add(0); 102 BitVector w(35, zone); 103 w.Add(33); 104 v.Union(w); 105 CHECK(v.Contains(0)); 106 CHECK(v.Contains(33)); 107 } 108 109 { 110 BitVector v(35, zone); 111 v.Add(32); 112 v.Add(33); 113 BitVector w(35, zone); 114 w.Add(33); 115 v.Intersect(w); 116 CHECK(!v.Contains(32)); 117 CHECK(v.Contains(33)); 118 BitVector r(35, zone); 119 r.CopyFrom(v); 120 CHECK(!r.Contains(32)); 121 CHECK(r.Contains(33)); 122 } 123 } 124