1 // Copyright 2013 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 "test/cctest/cctest.h" 29 30 #include "src/property-details.h" 31 #include "src/types.h" 32 33 using namespace v8::internal; 34 35 36 void TestPairPositive(Representation more_general, 37 Representation less_general) { 38 CHECK(more_general.is_more_general_than(less_general)); 39 } 40 41 42 void TestPairNegative(Representation more_general, 43 Representation less_general) { 44 CHECK(!more_general.is_more_general_than(less_general)); 45 } 46 47 48 TEST(RepresentationMoreGeneralThan) { 49 TestPairNegative(Representation::None(), Representation::None()); 50 TestPairPositive(Representation::Integer8(), Representation::None()); 51 TestPairPositive(Representation::UInteger8(), Representation::None()); 52 TestPairPositive(Representation::Integer16(), Representation::None()); 53 TestPairPositive(Representation::UInteger16(), Representation::None()); 54 TestPairPositive(Representation::Smi(), Representation::None()); 55 TestPairPositive(Representation::Integer32(), Representation::None()); 56 TestPairPositive(Representation::HeapObject(), Representation::None()); 57 TestPairPositive(Representation::Double(), Representation::None()); 58 TestPairPositive(Representation::Tagged(), Representation::None()); 59 60 TestPairNegative(Representation::None(), Representation::Integer8()); 61 TestPairNegative(Representation::Integer8(), Representation::Integer8()); 62 TestPairNegative(Representation::UInteger8(), Representation::Integer8()); 63 TestPairPositive(Representation::Integer16(), Representation::Integer8()); 64 TestPairPositive(Representation::UInteger16(), Representation::Integer8()); 65 TestPairPositive(Representation::Smi(), Representation::Integer8()); 66 TestPairPositive(Representation::Integer32(), Representation::Integer8()); 67 TestPairNegative(Representation::HeapObject(), Representation::Integer8()); 68 TestPairPositive(Representation::Double(), Representation::Integer8()); 69 TestPairPositive(Representation::Tagged(), Representation::Integer8()); 70 71 TestPairNegative(Representation::None(), Representation::UInteger8()); 72 TestPairNegative(Representation::Integer8(), Representation::UInteger8()); 73 TestPairNegative(Representation::UInteger8(), Representation::UInteger8()); 74 TestPairPositive(Representation::Integer16(), Representation::UInteger8()); 75 TestPairPositive(Representation::UInteger16(), Representation::UInteger8()); 76 TestPairPositive(Representation::Smi(), Representation::UInteger8()); 77 TestPairPositive(Representation::Integer32(), Representation::UInteger8()); 78 TestPairNegative(Representation::HeapObject(), Representation::UInteger8()); 79 TestPairPositive(Representation::Double(), Representation::UInteger8()); 80 TestPairPositive(Representation::Tagged(), Representation::UInteger8()); 81 82 TestPairNegative(Representation::None(), Representation::Integer16()); 83 TestPairNegative(Representation::Integer8(), Representation::Integer16()); 84 TestPairNegative(Representation::UInteger8(), Representation::Integer16()); 85 TestPairNegative(Representation::Integer16(), Representation::Integer16()); 86 TestPairNegative(Representation::UInteger16(), Representation::Integer16()); 87 TestPairPositive(Representation::Smi(), Representation::Integer16()); 88 TestPairPositive(Representation::Integer32(), Representation::Integer16()); 89 TestPairNegative(Representation::HeapObject(), Representation::Integer16()); 90 TestPairPositive(Representation::Double(), Representation::Integer16()); 91 TestPairPositive(Representation::Tagged(), Representation::Integer16()); 92 93 TestPairNegative(Representation::None(), Representation::UInteger16()); 94 TestPairNegative(Representation::Integer8(), Representation::UInteger16()); 95 TestPairNegative(Representation::UInteger8(), Representation::UInteger16()); 96 TestPairNegative(Representation::Integer16(), Representation::UInteger16()); 97 TestPairNegative(Representation::UInteger16(), Representation::UInteger16()); 98 TestPairPositive(Representation::Smi(), Representation::UInteger16()); 99 TestPairPositive(Representation::Integer32(), Representation::UInteger16()); 100 TestPairNegative(Representation::HeapObject(), Representation::UInteger16()); 101 TestPairPositive(Representation::Double(), Representation::UInteger16()); 102 TestPairPositive(Representation::Tagged(), Representation::UInteger16()); 103 104 TestPairNegative(Representation::None(), Representation::Smi()); 105 TestPairNegative(Representation::Integer8(), Representation::Smi()); 106 TestPairNegative(Representation::UInteger8(), Representation::Smi()); 107 TestPairNegative(Representation::Integer16(), Representation::Smi()); 108 TestPairNegative(Representation::UInteger16(), Representation::Smi()); 109 TestPairNegative(Representation::Smi(), Representation::Smi()); 110 TestPairPositive(Representation::Integer32(), Representation::Smi()); 111 TestPairNegative(Representation::HeapObject(), Representation::Smi()); 112 TestPairPositive(Representation::Double(), Representation::Smi()); 113 TestPairPositive(Representation::Tagged(), Representation::Smi()); 114 115 TestPairNegative(Representation::None(), Representation::Integer32()); 116 TestPairNegative(Representation::Integer8(), Representation::Integer32()); 117 TestPairNegative(Representation::UInteger8(), Representation::Integer32()); 118 TestPairNegative(Representation::Integer16(), Representation::Integer32()); 119 TestPairNegative(Representation::UInteger16(), Representation::Integer32()); 120 TestPairNegative(Representation::Smi(), Representation::Integer32()); 121 TestPairNegative(Representation::Integer32(), Representation::Integer32()); 122 TestPairNegative(Representation::HeapObject(), Representation::Integer32()); 123 TestPairPositive(Representation::Double(), Representation::Integer32()); 124 TestPairPositive(Representation::Tagged(), Representation::Integer32()); 125 126 TestPairNegative(Representation::None(), Representation::External()); 127 TestPairNegative(Representation::External(), Representation::External()); 128 TestPairPositive(Representation::External(), Representation::None()); 129 } 130
