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