18b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch// Copyright 2011 the V8 project authors. All rights reserved. 2a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 3a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#include <stdlib.h> 4a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 5a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#include "v8.h" 6a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 7a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#include "platform.h" 8a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#include "cctest.h" 9a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 10a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockusing namespace v8::internal; 11a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 12a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 13a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockTEST(Hex) { 148b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch UnicodeCache uc; 158b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.0, StringToDouble(&uc, "0x0", ALLOW_HEX | ALLOW_OCTALS)); 168b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.0, StringToDouble(&uc, "0X0", ALLOW_HEX | ALLOW_OCTALS)); 178b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(1.0, StringToDouble(&uc, "0x1", ALLOW_HEX | ALLOW_OCTALS)); 188b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(16.0, StringToDouble(&uc, "0x10", ALLOW_HEX | ALLOW_OCTALS)); 198b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(255.0, StringToDouble(&uc, "0xff", ALLOW_HEX | ALLOW_OCTALS)); 208b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(175.0, StringToDouble(&uc, "0xAF", ALLOW_HEX | ALLOW_OCTALS)); 218b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch 228b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.0, StringToDouble(&uc, "0x0", ALLOW_HEX)); 238b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.0, StringToDouble(&uc, "0X0", ALLOW_HEX)); 248b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(1.0, StringToDouble(&uc, "0x1", ALLOW_HEX)); 258b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(16.0, StringToDouble(&uc, "0x10", ALLOW_HEX)); 268b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(255.0, StringToDouble(&uc, "0xff", ALLOW_HEX)); 278b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(175.0, StringToDouble(&uc, "0xAF", ALLOW_HEX)); 28a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 29a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 30a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 31a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockTEST(Octal) { 328b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch UnicodeCache uc; 338b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.0, StringToDouble(&uc, "0", ALLOW_HEX | ALLOW_OCTALS)); 348b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.0, StringToDouble(&uc, "00", ALLOW_HEX | ALLOW_OCTALS)); 358b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(1.0, StringToDouble(&uc, "01", ALLOW_HEX | ALLOW_OCTALS)); 368b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(7.0, StringToDouble(&uc, "07", ALLOW_HEX | ALLOW_OCTALS)); 378b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(8.0, StringToDouble(&uc, "010", ALLOW_HEX | ALLOW_OCTALS)); 388b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(63.0, StringToDouble(&uc, "077", ALLOW_HEX | ALLOW_OCTALS)); 398b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch 408b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.0, StringToDouble(&uc, "0", ALLOW_HEX)); 418b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.0, StringToDouble(&uc, "00", ALLOW_HEX)); 428b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(1.0, StringToDouble(&uc, "01", ALLOW_HEX)); 438b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(7.0, StringToDouble(&uc, "07", ALLOW_HEX)); 448b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(10.0, StringToDouble(&uc, "010", ALLOW_HEX)); 458b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(77.0, StringToDouble(&uc, "077", ALLOW_HEX)); 466ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 476ded16be15dd865a9b21ea304d5273c8be299c87Steve Block const double x = 010000000000; // Power of 2, no rounding errors. 488b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(x * x * x * x * x, StringToDouble(&uc, "01" "0000000000" "0000000000" 496ded16be15dd865a9b21ea304d5273c8be299c87Steve Block "0000000000" "0000000000" "0000000000", ALLOW_OCTALS)); 50a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 51a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 52a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 53a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockTEST(MalformedOctal) { 548b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch UnicodeCache uc; 558b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(8.0, StringToDouble(&uc, "08", ALLOW_HEX | ALLOW_OCTALS)); 568b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(81.0, StringToDouble(&uc, "081", ALLOW_HEX | ALLOW_OCTALS)); 578b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(78.0, StringToDouble(&uc, "078", ALLOW_HEX | ALLOW_OCTALS)); 58a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 598b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK(isnan(StringToDouble(&uc, "07.7", ALLOW_HEX | ALLOW_OCTALS))); 608b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK(isnan(StringToDouble(&uc, "07.8", ALLOW_HEX | ALLOW_OCTALS))); 618b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK(isnan(StringToDouble(&uc, "07e8", ALLOW_HEX | ALLOW_OCTALS))); 628b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK(isnan(StringToDouble(&uc, "07e7", ALLOW_HEX | ALLOW_OCTALS))); 63a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 648b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(8.7, StringToDouble(&uc, "08.7", ALLOW_HEX | ALLOW_OCTALS)); 658b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(8e7, StringToDouble(&uc, "08e7", ALLOW_HEX | ALLOW_OCTALS)); 66a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 678b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.001, StringToDouble(&uc, "0.001", ALLOW_HEX | ALLOW_OCTALS)); 688b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.713, StringToDouble(&uc, "0.713", ALLOW_HEX | ALLOW_OCTALS)); 69a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 708b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(8.0, StringToDouble(&uc, "08", ALLOW_HEX)); 718b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(81.0, StringToDouble(&uc, "081", ALLOW_HEX)); 728b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(78.0, StringToDouble(&uc, "078", ALLOW_HEX)); 73a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 748b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(7.7, StringToDouble(&uc, "07.7", ALLOW_HEX)); 758b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(7.8, StringToDouble(&uc, "07.8", ALLOW_HEX)); 768b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(7e8, StringToDouble(&uc, "07e8", ALLOW_HEX)); 778b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(7e7, StringToDouble(&uc, "07e7", ALLOW_HEX)); 78a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 798b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(8.7, StringToDouble(&uc, "08.7", ALLOW_HEX)); 808b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(8e7, StringToDouble(&uc, "08e7", ALLOW_HEX)); 81a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 828b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.001, StringToDouble(&uc, "0.001", ALLOW_HEX)); 838b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.713, StringToDouble(&uc, "0.713", ALLOW_HEX)); 84a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 85a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 86a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 87a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockTEST(TrailingJunk) { 888b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch UnicodeCache uc; 898b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(8.0, StringToDouble(&uc, "8q", ALLOW_TRAILING_JUNK)); 908b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(63.0, 918b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch StringToDouble(&uc, "077qqq", ALLOW_OCTALS | ALLOW_TRAILING_JUNK)); 928b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(10.0, 938b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch StringToDouble(&uc, "10e", ALLOW_OCTALS | ALLOW_TRAILING_JUNK)); 948b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(10.0, 958b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch StringToDouble(&uc, "10e-", ALLOW_OCTALS | ALLOW_TRAILING_JUNK)); 96a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 97a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 98a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 99a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockTEST(NonStrDecimalLiteral) { 1008b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch UnicodeCache uc; 1018b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK(isnan(StringToDouble(&uc, " ", NO_FLAGS, OS::nan_value()))); 1028b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK(isnan(StringToDouble(&uc, "", NO_FLAGS, OS::nan_value()))); 1038b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK(isnan(StringToDouble(&uc, " ", NO_FLAGS, OS::nan_value()))); 1048b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.0, StringToDouble(&uc, "", NO_FLAGS)); 1058b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.0, StringToDouble(&uc, " ", NO_FLAGS)); 106a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 107a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1086ded16be15dd865a9b21ea304d5273c8be299c87Steve BlockTEST(IntegerStrLiteral) { 1098b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch UnicodeCache uc; 1108b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.0, StringToDouble(&uc, "0.0", NO_FLAGS)); 1118b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.0, StringToDouble(&uc, "0", NO_FLAGS)); 1128b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.0, StringToDouble(&uc, "00", NO_FLAGS)); 1138b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.0, StringToDouble(&uc, "000", NO_FLAGS)); 1148b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(1.0, StringToDouble(&uc, "1", NO_FLAGS)); 1158b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(-1.0, StringToDouble(&uc, "-1", NO_FLAGS)); 1168b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(-1.0, StringToDouble(&uc, " -1 ", NO_FLAGS)); 1178b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(1.0, StringToDouble(&uc, " +1 ", NO_FLAGS)); 1188b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK(isnan(StringToDouble(&uc, " - 1 ", NO_FLAGS))); 1198b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK(isnan(StringToDouble(&uc, " + 1 ", NO_FLAGS))); 1208b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch 1218b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.0, StringToDouble(&uc, "0e0", ALLOW_HEX | ALLOW_OCTALS)); 1228b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.0, StringToDouble(&uc, "0e1", ALLOW_HEX | ALLOW_OCTALS)); 1238b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.0, StringToDouble(&uc, "0e-1", ALLOW_HEX | ALLOW_OCTALS)); 1248b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.0, StringToDouble(&uc, "0e-100000", ALLOW_HEX | ALLOW_OCTALS)); 1258b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.0, StringToDouble(&uc, "0e+100000", ALLOW_HEX | ALLOW_OCTALS)); 1268b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(0.0, StringToDouble(&uc, "0.", ALLOW_HEX | ALLOW_OCTALS)); 1276ded16be15dd865a9b21ea304d5273c8be299c87Steve Block} 1286ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 1296ded16be15dd865a9b21ea304d5273c8be299c87Steve BlockTEST(LongNumberStr) { 1308b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch UnicodeCache uc; 1318b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(1e10, StringToDouble(&uc, "1" "0000000000", NO_FLAGS)); 1328b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(1e20, StringToDouble(&uc, "1" "0000000000" "0000000000", NO_FLAGS)); 1336ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 1348b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(1e60, StringToDouble(&uc, "1" "0000000000" "0000000000" "0000000000" 1356ded16be15dd865a9b21ea304d5273c8be299c87Steve Block "0000000000" "0000000000" "0000000000", NO_FLAGS)); 1366ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 1378b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(1e-2, StringToDouble(&uc, "." "0" "1", NO_FLAGS)); 1388b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(1e-11, StringToDouble(&uc, "." "0000000000" "1", NO_FLAGS)); 1398b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(1e-21, StringToDouble(&uc, "." "0000000000" "0000000000" "1", 1408b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch NO_FLAGS)); 1416ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 1428b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(1e-61, StringToDouble(&uc, "." "0000000000" "0000000000" "0000000000" 1436ded16be15dd865a9b21ea304d5273c8be299c87Steve Block "0000000000" "0000000000" "0000000000" "1", NO_FLAGS)); 1446ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 1456ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 1466ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // x = 24414062505131248.0 and y = 24414062505131252.0 are representable in 1476ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // double. Check chat z = (x + y) / 2 is rounded to x... 1486ded16be15dd865a9b21ea304d5273c8be299c87Steve Block CHECK_EQ(24414062505131248.0, 1498b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch StringToDouble(&uc, "24414062505131250.0", NO_FLAGS)); 1506ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 1516ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // ... and z = (x + y) / 2 + delta is rounded to y. 1526ded16be15dd865a9b21ea304d5273c8be299c87Steve Block CHECK_EQ(24414062505131252.0, 1538b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch StringToDouble(&uc, "24414062505131250.000000001", NO_FLAGS)); 1546ded16be15dd865a9b21ea304d5273c8be299c87Steve Block} 1556ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 1566ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 1576ded16be15dd865a9b21ea304d5273c8be299c87Steve BlockTEST(MaximumSignificantDigits) { 1588b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch UnicodeCache uc; 1596ded16be15dd865a9b21ea304d5273c8be299c87Steve Block char num[] = 1606ded16be15dd865a9b21ea304d5273c8be299c87Steve Block "4.4501477170144020250819966727949918635852426585926051135169509" 1616ded16be15dd865a9b21ea304d5273c8be299c87Steve Block "122872622312493126406953054127118942431783801370080830523154578" 1626ded16be15dd865a9b21ea304d5273c8be299c87Steve Block "251545303238277269592368457430440993619708911874715081505094180" 1636ded16be15dd865a9b21ea304d5273c8be299c87Steve Block "604803751173783204118519353387964161152051487413083163272520124" 1646ded16be15dd865a9b21ea304d5273c8be299c87Steve Block "606023105869053620631175265621765214646643181420505164043632222" 1656ded16be15dd865a9b21ea304d5273c8be299c87Steve Block "668006474326056011713528291579642227455489682133472873831754840" 1666ded16be15dd865a9b21ea304d5273c8be299c87Steve Block "341397809846934151055619529382191981473003234105366170879223151" 1676ded16be15dd865a9b21ea304d5273c8be299c87Steve Block "087335413188049110555339027884856781219017754500629806224571029" 1686ded16be15dd865a9b21ea304d5273c8be299c87Steve Block "581637117459456877330110324211689177656713705497387108207822477" 1696ded16be15dd865a9b21ea304d5273c8be299c87Steve Block "584250967061891687062782163335299376138075114200886249979505279" 1706ded16be15dd865a9b21ea304d5273c8be299c87Steve Block "101870966346394401564490729731565935244123171539810221213221201" 1716ded16be15dd865a9b21ea304d5273c8be299c87Steve Block "847003580761626016356864581135848683152156368691976240370422601" 1726ded16be15dd865a9b21ea304d5273c8be299c87Steve Block "6998291015625000000000000000000000000000000000e-308"; 1736ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 1748b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(4.4501477170144017780491e-308, StringToDouble(&uc, num, NO_FLAGS)); 1756ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 1766ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // Changes the result of strtod (at least in glibc implementation). 1776ded16be15dd865a9b21ea304d5273c8be299c87Steve Block num[sizeof(num) - 8] = '1'; 1786ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 1798b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(4.4501477170144022721148e-308, StringToDouble(&uc, num, NO_FLAGS)); 1806ded16be15dd865a9b21ea304d5273c8be299c87Steve Block} 1816ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 182f87a203d89e1bbb6708282e0b64dbd13d59b723dBen MurdochTEST(MinimumExponent) { 1838b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch UnicodeCache uc; 184f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch // Same test but with different point-position. 185f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch char num[] = 186f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch "445014771701440202508199667279499186358524265859260511351695091" 187f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch "228726223124931264069530541271189424317838013700808305231545782" 188f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch "515453032382772695923684574304409936197089118747150815050941806" 189f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch "048037511737832041185193533879641611520514874130831632725201246" 190f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch "060231058690536206311752656217652146466431814205051640436322226" 191f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch "680064743260560117135282915796422274554896821334728738317548403" 192f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch "413978098469341510556195293821919814730032341053661708792231510" 193f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch "873354131880491105553390278848567812190177545006298062245710295" 194f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch "816371174594568773301103242116891776567137054973871082078224775" 195f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch "842509670618916870627821633352993761380751142008862499795052791" 196f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch "018709663463944015644907297315659352441231715398102212132212018" 197f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch "470035807616260163568645811358486831521563686919762403704226016" 198f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch "998291015625000000000000000000000000000000000e-1108"; 199f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch 2008b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(4.4501477170144017780491e-308, StringToDouble(&uc, num, NO_FLAGS)); 201f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch 202f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch // Changes the result of strtod (at least in glibc implementation). 203f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch num[sizeof(num) - 8] = '1'; 204f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch 2058b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(4.4501477170144022721148e-308, StringToDouble(&uc, num, NO_FLAGS)); 206f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch} 207f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch 208f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch 209f87a203d89e1bbb6708282e0b64dbd13d59b723dBen MurdochTEST(MaximumExponent) { 2108b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch UnicodeCache uc; 211f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch char num[] = "0.16e309"; 212f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch 2138b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(1.59999999999999997765e+308, StringToDouble(&uc, num, NO_FLAGS)); 214f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch} 215f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch 2166ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 2176ded16be15dd865a9b21ea304d5273c8be299c87Steve BlockTEST(ExponentNumberStr) { 2188b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch UnicodeCache uc; 2198b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(1e1, StringToDouble(&uc, "1e1", NO_FLAGS)); 2208b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(1e1, StringToDouble(&uc, "1e+1", NO_FLAGS)); 2218b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(1e-1, StringToDouble(&uc, "1e-1", NO_FLAGS)); 2228b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(1e100, StringToDouble(&uc, "1e+100", NO_FLAGS)); 2238b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(1e-100, StringToDouble(&uc, "1e-100", NO_FLAGS)); 2248b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CHECK_EQ(1e-106, StringToDouble(&uc, ".000001e-100", NO_FLAGS)); 2256ded16be15dd865a9b21ea304d5273c8be299c87Steve Block} 2266ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 227a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockclass OneBit1: public BitField<uint32_t, 0, 1> {}; 228a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockclass OneBit2: public BitField<uint32_t, 7, 1> {}; 229a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockclass EightBit1: public BitField<uint32_t, 0, 8> {}; 230a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockclass EightBit2: public BitField<uint32_t, 13, 8> {}; 231a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 232a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockTEST(BitField) { 233a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block uint32_t x; 234a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 235a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // One bit bit field can hold values 0 and 1. 236a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block CHECK(!OneBit1::is_valid(static_cast<uint32_t>(-1))); 237a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block CHECK(!OneBit2::is_valid(static_cast<uint32_t>(-1))); 238a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block for (int i = 0; i < 2; i++) { 239a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block CHECK(OneBit1::is_valid(i)); 240a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block x = OneBit1::encode(i); 241a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block CHECK_EQ(i, OneBit1::decode(x)); 242a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 243a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block CHECK(OneBit2::is_valid(i)); 244a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block x = OneBit2::encode(i); 245a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block CHECK_EQ(i, OneBit2::decode(x)); 246a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 247a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block CHECK(!OneBit1::is_valid(2)); 248a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block CHECK(!OneBit2::is_valid(2)); 249a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 250a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Eight bit bit field can hold values from 0 tp 255. 251a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block CHECK(!EightBit1::is_valid(static_cast<uint32_t>(-1))); 252a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block CHECK(!EightBit2::is_valid(static_cast<uint32_t>(-1))); 253a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block for (int i = 0; i < 256; i++) { 254a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block CHECK(EightBit1::is_valid(i)); 255a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block x = EightBit1::encode(i); 256a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block CHECK_EQ(i, EightBit1::decode(x)); 257a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block CHECK(EightBit2::is_valid(i)); 258a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block x = EightBit2::encode(i); 259a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block CHECK_EQ(i, EightBit2::decode(x)); 260a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 261a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block CHECK(!EightBit1::is_valid(256)); 262a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block CHECK(!EightBit2::is_valid(256)); 263a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 264