1 // Copyright 2006-2008 the V8 project authors. All rights reserved. 2 3 #include <stdlib.h> 4 5 #include "v8.h" 6 7 #include "platform.h" 8 #include "cctest.h" 9 10 using namespace v8::internal; 11 12 13 TEST(Hex) { 14 CHECK_EQ(0.0, StringToDouble("0x0", ALLOW_HEX | ALLOW_OCTALS)); 15 CHECK_EQ(0.0, StringToDouble("0X0", ALLOW_HEX | ALLOW_OCTALS)); 16 CHECK_EQ(1.0, StringToDouble("0x1", ALLOW_HEX | ALLOW_OCTALS)); 17 CHECK_EQ(16.0, StringToDouble("0x10", ALLOW_HEX | ALLOW_OCTALS)); 18 CHECK_EQ(255.0, StringToDouble("0xff", ALLOW_HEX | ALLOW_OCTALS)); 19 CHECK_EQ(175.0, StringToDouble("0xAF", ALLOW_HEX | ALLOW_OCTALS)); 20 21 CHECK_EQ(0.0, StringToDouble("0x0", ALLOW_HEX)); 22 CHECK_EQ(0.0, StringToDouble("0X0", ALLOW_HEX)); 23 CHECK_EQ(1.0, StringToDouble("0x1", ALLOW_HEX)); 24 CHECK_EQ(16.0, StringToDouble("0x10", ALLOW_HEX)); 25 CHECK_EQ(255.0, StringToDouble("0xff", ALLOW_HEX)); 26 CHECK_EQ(175.0, StringToDouble("0xAF", ALLOW_HEX)); 27 } 28 29 30 TEST(Octal) { 31 CHECK_EQ(0.0, StringToDouble("0", ALLOW_HEX | ALLOW_OCTALS)); 32 CHECK_EQ(0.0, StringToDouble("00", ALLOW_HEX | ALLOW_OCTALS)); 33 CHECK_EQ(1.0, StringToDouble("01", ALLOW_HEX | ALLOW_OCTALS)); 34 CHECK_EQ(7.0, StringToDouble("07", ALLOW_HEX | ALLOW_OCTALS)); 35 CHECK_EQ(8.0, StringToDouble("010", ALLOW_HEX | ALLOW_OCTALS)); 36 CHECK_EQ(63.0, StringToDouble("077", ALLOW_HEX | ALLOW_OCTALS)); 37 38 CHECK_EQ(0.0, StringToDouble("0", ALLOW_HEX)); 39 CHECK_EQ(0.0, StringToDouble("00", ALLOW_HEX)); 40 CHECK_EQ(1.0, StringToDouble("01", ALLOW_HEX)); 41 CHECK_EQ(7.0, StringToDouble("07", ALLOW_HEX)); 42 CHECK_EQ(10.0, StringToDouble("010", ALLOW_HEX)); 43 CHECK_EQ(77.0, StringToDouble("077", ALLOW_HEX)); 44 } 45 46 47 TEST(MalformedOctal) { 48 CHECK_EQ(8.0, StringToDouble("08", ALLOW_HEX | ALLOW_OCTALS)); 49 CHECK_EQ(81.0, StringToDouble("081", ALLOW_HEX | ALLOW_OCTALS)); 50 CHECK_EQ(78.0, StringToDouble("078", ALLOW_HEX | ALLOW_OCTALS)); 51 52 CHECK(isnan(StringToDouble("07.7", ALLOW_HEX | ALLOW_OCTALS))); 53 CHECK(isnan(StringToDouble("07.8", ALLOW_HEX | ALLOW_OCTALS))); 54 CHECK(isnan(StringToDouble("07e8", ALLOW_HEX | ALLOW_OCTALS))); 55 CHECK(isnan(StringToDouble("07e7", ALLOW_HEX | ALLOW_OCTALS))); 56 57 CHECK_EQ(8.7, StringToDouble("08.7", ALLOW_HEX | ALLOW_OCTALS)); 58 CHECK_EQ(8e7, StringToDouble("08e7", ALLOW_HEX | ALLOW_OCTALS)); 59 60 CHECK_EQ(0.001, StringToDouble("0.001", ALLOW_HEX | ALLOW_OCTALS)); 61 CHECK_EQ(0.713, StringToDouble("0.713", ALLOW_HEX | ALLOW_OCTALS)); 62 63 CHECK_EQ(8.0, StringToDouble("08", ALLOW_HEX)); 64 CHECK_EQ(81.0, StringToDouble("081", ALLOW_HEX)); 65 CHECK_EQ(78.0, StringToDouble("078", ALLOW_HEX)); 66 67 CHECK_EQ(7.7, StringToDouble("07.7", ALLOW_HEX)); 68 CHECK_EQ(7.8, StringToDouble("07.8", ALLOW_HEX)); 69 CHECK_EQ(7e8, StringToDouble("07e8", ALLOW_HEX)); 70 CHECK_EQ(7e7, StringToDouble("07e7", ALLOW_HEX)); 71 72 CHECK_EQ(8.7, StringToDouble("08.7", ALLOW_HEX)); 73 CHECK_EQ(8e7, StringToDouble("08e7", ALLOW_HEX)); 74 75 CHECK_EQ(0.001, StringToDouble("0.001", ALLOW_HEX)); 76 CHECK_EQ(0.713, StringToDouble("0.713", ALLOW_HEX)); 77 } 78 79 80 TEST(TrailingJunk) { 81 CHECK_EQ(8.0, StringToDouble("8q", ALLOW_TRAILING_JUNK)); 82 CHECK_EQ(63.0, StringToDouble("077qqq", ALLOW_OCTALS | ALLOW_TRAILING_JUNK)); 83 } 84 85 86 TEST(NonStrDecimalLiteral) { 87 CHECK(isnan(StringToDouble(" ", NO_FLAGS, OS::nan_value()))); 88 CHECK(isnan(StringToDouble("", NO_FLAGS, OS::nan_value()))); 89 CHECK(isnan(StringToDouble(" ", NO_FLAGS, OS::nan_value()))); 90 CHECK_EQ(0.0, StringToDouble("", NO_FLAGS)); 91 CHECK_EQ(0.0, StringToDouble(" ", NO_FLAGS)); 92 } 93 94 class OneBit1: public BitField<uint32_t, 0, 1> {}; 95 class OneBit2: public BitField<uint32_t, 7, 1> {}; 96 class EightBit1: public BitField<uint32_t, 0, 8> {}; 97 class EightBit2: public BitField<uint32_t, 13, 8> {}; 98 99 TEST(BitField) { 100 uint32_t x; 101 102 // One bit bit field can hold values 0 and 1. 103 CHECK(!OneBit1::is_valid(static_cast<uint32_t>(-1))); 104 CHECK(!OneBit2::is_valid(static_cast<uint32_t>(-1))); 105 for (int i = 0; i < 2; i++) { 106 CHECK(OneBit1::is_valid(i)); 107 x = OneBit1::encode(i); 108 CHECK_EQ(i, OneBit1::decode(x)); 109 110 CHECK(OneBit2::is_valid(i)); 111 x = OneBit2::encode(i); 112 CHECK_EQ(i, OneBit2::decode(x)); 113 } 114 CHECK(!OneBit1::is_valid(2)); 115 CHECK(!OneBit2::is_valid(2)); 116 117 // Eight bit bit field can hold values from 0 tp 255. 118 CHECK(!EightBit1::is_valid(static_cast<uint32_t>(-1))); 119 CHECK(!EightBit2::is_valid(static_cast<uint32_t>(-1))); 120 for (int i = 0; i < 256; i++) { 121 CHECK(EightBit1::is_valid(i)); 122 x = EightBit1::encode(i); 123 CHECK_EQ(i, EightBit1::decode(x)); 124 CHECK(EightBit2::is_valid(i)); 125 x = EightBit2::encode(i); 126 CHECK_EQ(i, EightBit2::decode(x)); 127 } 128 CHECK(!EightBit1::is_valid(256)); 129 CHECK(!EightBit2::is_valid(256)); 130 } 131
