1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <ostream> 11 12 // template <class charT, class traits = char_traits<charT> > 13 // class basic_ostream; 14 15 // operator<<( int16_t val); 16 // operator<<(uint16_t val); 17 // operator<<( int32_t val); 18 // operator<<(uint32_t val); 19 // operator<<( int64_t val); 20 // operator<<(uint64_t val); 21 22 // Testing to make sure that the max length values are correctly inserted 23 24 #include <sstream> 25 #include <ios> 26 #include <cctype> 27 #include <cstdint> 28 #include <cassert> 29 30 template <typename T> 31 void test_octal(const char *expected) 32 { 33 std::stringstream ss; 34 ss << std::oct << static_cast<T>(-1); 35 assert(ss.str() == expected); 36 } 37 38 template <typename T> 39 void test_dec(const char *expected) 40 { 41 std::stringstream ss; 42 ss << std::dec << static_cast<T>(-1); 43 assert(ss.str() == expected); 44 } 45 46 template <typename T> 47 void test_hex(const char *expected) 48 { 49 std::stringstream ss; 50 ss << std::hex << static_cast<T>(-1); 51 52 std::string str = ss.str(); 53 for (size_t i = 0; i < str.size(); ++i ) 54 str[i] = std::toupper(str[i]); 55 56 assert(str == expected); 57 } 58 59 int main() 60 { 61 62 test_octal<uint16_t>( "177777"); 63 test_octal< int16_t>( "177777"); 64 test_octal<uint32_t>( "37777777777"); 65 test_octal< int32_t>( "37777777777"); 66 test_octal<uint64_t>("1777777777777777777777"); 67 test_octal< int64_t>("1777777777777777777777"); 68 test_octal<uint64_t>("1777777777777777777777"); 69 if (sizeof(long) == sizeof(int64_t)) { 70 test_octal< unsigned long>("1777777777777777777777"); 71 test_octal< long>("1777777777777777777777"); 72 } 73 if (sizeof(long long) == sizeof(int64_t)) { 74 test_octal< unsigned long long>("1777777777777777777777"); 75 test_octal< long long>("1777777777777777777777"); 76 } 77 78 test_dec<uint16_t>( "65535"); 79 test_dec< int16_t>( "-1"); 80 test_dec<uint32_t>( "4294967295"); 81 test_dec< int32_t>( "-1"); 82 test_dec<uint64_t>("18446744073709551615"); 83 test_dec< int64_t>( "-1"); 84 if (sizeof(long) == sizeof(int64_t)) { 85 test_dec<unsigned long>("18446744073709551615"); 86 test_dec< long>( "-1"); 87 } 88 if (sizeof(long long) == sizeof(int64_t)) { 89 test_dec<unsigned long long>("18446744073709551615"); 90 test_dec< long long>( "-1"); 91 } 92 93 test_hex<uint16_t>( "FFFF"); 94 test_hex< int16_t>( "FFFF"); 95 test_hex<uint32_t>( "FFFFFFFF"); 96 test_hex< int32_t>( "FFFFFFFF"); 97 test_hex<uint64_t>("FFFFFFFFFFFFFFFF"); 98 test_hex< int64_t>("FFFFFFFFFFFFFFFF"); 99 if (sizeof(long) == sizeof(int64_t)) { 100 test_hex<unsigned long>("FFFFFFFFFFFFFFFF"); 101 test_hex< long>("FFFFFFFFFFFFFFFF"); 102 } 103 if (sizeof(long long) == sizeof(int64_t)) { 104 test_hex<unsigned long long>("FFFFFFFFFFFFFFFF"); 105 test_hex< long long>("FFFFFFFFFFFFFFFF"); 106 } 107 } 108
