Dan Albert | 287553d | 2017-02-16 10:47:51 -0800 | [diff] [blame] | 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 | // XFAIL: with_system_cxx_lib=x86_64-apple-darwin11 |
| 11 | // XFAIL: with_system_cxx_lib=x86_64-apple-darwin12 |
| 12 | |
| 13 | // <locale> |
| 14 | |
| 15 | // class num_get<charT, InputIterator> |
| 16 | |
| 17 | // iter_type get(iter_type in, iter_type end, ios_base&, |
| 18 | // ios_base::iostate& err, double& v) const; |
| 19 | |
| 20 | #include <locale> |
| 21 | #include <ios> |
| 22 | #include <cassert> |
| 23 | #include <streambuf> |
| 24 | #include <cmath> |
| 25 | #include "test_iterators.h" |
| 26 | #include "hexfloat.h" |
| 27 | |
| 28 | typedef std::num_get<char, input_iterator<const char*> > F; |
| 29 | |
| 30 | class my_facet |
| 31 | : public F |
| 32 | { |
| 33 | public: |
| 34 | explicit my_facet(std::size_t refs = 0) |
| 35 | : F(refs) {} |
| 36 | }; |
| 37 | |
| 38 | class my_numpunct |
| 39 | : public std::numpunct<char> |
| 40 | { |
| 41 | public: |
| 42 | my_numpunct() : std::numpunct<char>() {} |
| 43 | |
| 44 | protected: |
| 45 | virtual char_type do_decimal_point() const {return ';';} |
| 46 | virtual char_type do_thousands_sep() const {return '_';} |
| 47 | virtual std::string do_grouping() const {return std::string("\1\2\3");} |
| 48 | }; |
| 49 | |
| 50 | int main() |
| 51 | { |
| 52 | const my_facet f(1); |
| 53 | std::ios ios(0); |
| 54 | double v = -1; |
| 55 | { |
| 56 | const char str[] = "123"; |
| 57 | assert((ios.flags() & ios.basefield) == ios.dec); |
| 58 | assert(ios.getloc().name() == "C"); |
| 59 | std::ios_base::iostate err = ios.goodbit; |
| 60 | input_iterator<const char*> iter = |
| 61 | f.get(input_iterator<const char*>(str), |
| 62 | input_iterator<const char*>(str+sizeof(str)), |
| 63 | ios, err, v); |
| 64 | assert(iter.base() == str+sizeof(str)-1); |
| 65 | assert(err == ios.goodbit); |
| 66 | assert(v == 123); |
| 67 | } |
| 68 | { |
| 69 | const char str[] = "-123"; |
| 70 | std::ios_base::iostate err = ios.goodbit; |
| 71 | input_iterator<const char*> iter = |
| 72 | f.get(input_iterator<const char*>(str), |
| 73 | input_iterator<const char*>(str+sizeof(str)), |
| 74 | ios, err, v); |
| 75 | assert(iter.base() == str+sizeof(str)-1); |
| 76 | assert(err == ios.goodbit); |
| 77 | assert(v == -123); |
| 78 | } |
| 79 | { |
| 80 | const char str[] = "123.5"; |
| 81 | std::ios_base::iostate err = ios.goodbit; |
| 82 | input_iterator<const char*> iter = |
| 83 | f.get(input_iterator<const char*>(str), |
| 84 | input_iterator<const char*>(str+sizeof(str)), |
| 85 | ios, err, v); |
| 86 | assert(iter.base() == str+sizeof(str)-1); |
| 87 | assert(err == ios.goodbit); |
| 88 | assert(v == 123.5); |
| 89 | } |
| 90 | { |
| 91 | const char str[] = "125e-1"; |
| 92 | hex(ios); |
| 93 | std::ios_base::iostate err = ios.goodbit; |
| 94 | input_iterator<const char*> iter = |
| 95 | f.get(input_iterator<const char*>(str), |
| 96 | input_iterator<const char*>(str+sizeof(str)), |
| 97 | ios, err, v); |
| 98 | assert(iter.base() == str+sizeof(str)-1); |
| 99 | assert(err == ios.goodbit); |
| 100 | assert(v == 125e-1); |
| 101 | } |
| 102 | { |
| 103 | const char str[] = "0x125p-1"; |
| 104 | hex(ios); |
| 105 | std::ios_base::iostate err = ios.goodbit; |
| 106 | input_iterator<const char*> iter = |
| 107 | f.get(input_iterator<const char*>(str), |
| 108 | input_iterator<const char*>(str+sizeof(str)), |
| 109 | ios, err, v); |
| 110 | assert(iter.base() == str+sizeof(str)-1); |
| 111 | assert(err == ios.goodbit); |
| 112 | assert(v == hexfloat<double>(0x125, 0, -1)); |
| 113 | } |
| 114 | { |
| 115 | const char str[] = "inf"; |
| 116 | hex(ios); |
| 117 | std::ios_base::iostate err = ios.goodbit; |
| 118 | input_iterator<const char*> iter = |
| 119 | f.get(input_iterator<const char*>(str), |
| 120 | input_iterator<const char*>(str+sizeof(str)), |
| 121 | ios, err, v); |
| 122 | assert(iter.base() == str+sizeof(str)-1); |
| 123 | assert(err == ios.goodbit); |
| 124 | assert(v == INFINITY); |
| 125 | } |
| 126 | { |
| 127 | const char str[] = "INF"; |
| 128 | hex(ios); |
| 129 | std::ios_base::iostate err = ios.goodbit; |
| 130 | input_iterator<const char*> iter = |
| 131 | f.get(input_iterator<const char*>(str), |
| 132 | input_iterator<const char*>(str+sizeof(str)), |
| 133 | ios, err, v); |
| 134 | assert(iter.base() == str+sizeof(str)-1); |
| 135 | assert(err == ios.goodbit); |
| 136 | assert(v == INFINITY); |
| 137 | } |
| 138 | { |
| 139 | const char str[] = "-inf"; |
| 140 | hex(ios); |
| 141 | std::ios_base::iostate err = ios.goodbit; |
| 142 | input_iterator<const char*> iter = |
| 143 | f.get(input_iterator<const char*>(str), |
| 144 | input_iterator<const char*>(str+sizeof(str)), |
| 145 | ios, err, v); |
| 146 | assert(iter.base() == str+sizeof(str)-1); |
| 147 | assert(err == ios.goodbit); |
| 148 | assert(v == -INFINITY); |
| 149 | } |
| 150 | { |
| 151 | const char str[] = "-INF"; |
| 152 | hex(ios); |
| 153 | std::ios_base::iostate err = ios.goodbit; |
| 154 | input_iterator<const char*> iter = |
| 155 | f.get(input_iterator<const char*>(str), |
| 156 | input_iterator<const char*>(str+sizeof(str)), |
| 157 | ios, err, v); |
| 158 | assert(iter.base() == str+sizeof(str)-1); |
| 159 | assert(err == ios.goodbit); |
| 160 | assert(v == -INFINITY); |
| 161 | } |
| 162 | { |
| 163 | const char str[] = "nan"; |
| 164 | hex(ios); |
| 165 | std::ios_base::iostate err = ios.goodbit; |
| 166 | input_iterator<const char*> iter = |
| 167 | f.get(input_iterator<const char*>(str), |
| 168 | input_iterator<const char*>(str+sizeof(str)), |
| 169 | ios, err, v); |
| 170 | assert(iter.base() == str+sizeof(str)-1); |
| 171 | assert(err == ios.goodbit); |
| 172 | assert(std::isnan(v)); |
| 173 | } |
| 174 | { |
| 175 | const char str[] = "NAN"; |
| 176 | hex(ios); |
| 177 | std::ios_base::iostate err = ios.goodbit; |
| 178 | input_iterator<const char*> iter = |
| 179 | f.get(input_iterator<const char*>(str), |
| 180 | input_iterator<const char*>(str+sizeof(str)), |
| 181 | ios, err, v); |
| 182 | assert(iter.base() == str+sizeof(str)-1); |
| 183 | assert(err == ios.goodbit); |
| 184 | assert(std::isnan(v)); |
| 185 | } |
| 186 | { |
| 187 | v = -1; |
| 188 | const char str[] = "123_456_78_9;125"; |
| 189 | std::ios_base::iostate err = ios.goodbit; |
| 190 | input_iterator<const char*> iter = |
| 191 | f.get(input_iterator<const char*>(str), |
| 192 | input_iterator<const char*>(str+sizeof(str)), |
| 193 | ios, err, v); |
| 194 | assert(iter.base() == str+3); |
| 195 | assert(err == ios.goodbit); |
| 196 | assert(v == 123); |
| 197 | } |
| 198 | { |
| 199 | v = -1; |
| 200 | const char str[] = "2-"; |
| 201 | std::ios_base::iostate err = ios.goodbit; |
| 202 | input_iterator<const char*> iter = |
| 203 | f.get(input_iterator<const char*>(str), |
| 204 | input_iterator<const char*>(str+sizeof(str)), |
| 205 | ios, err, v); |
| 206 | assert(iter.base() == str+1); |
| 207 | assert(err == ios.goodbit); |
| 208 | assert(v == 2); |
| 209 | } |
| 210 | ios.imbue(std::locale(std::locale(), new my_numpunct)); |
| 211 | { |
| 212 | v = -1; |
| 213 | const char str[] = "123_456_78_9;125"; |
| 214 | std::ios_base::iostate err = ios.goodbit; |
| 215 | input_iterator<const char*> iter = |
| 216 | f.get(input_iterator<const char*>(str), |
| 217 | input_iterator<const char*>(str+sizeof(str)), |
| 218 | ios, err, v); |
| 219 | assert(iter.base() == str+sizeof(str)-1); |
| 220 | assert(err == ios.goodbit); |
| 221 | assert(v == 123456789.125); |
| 222 | } |
| 223 | { |
| 224 | v = -1; |
| 225 | const char str[] = "1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_" |
| 226 | "1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_" |
| 227 | "1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_" |
| 228 | "1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_" |
| 229 | "1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_" |
| 230 | "1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_" |
| 231 | "1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_" |
| 232 | "1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_" |
| 233 | "1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_" |
| 234 | "1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_" |
| 235 | "1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_1_2_3_4_5_6_7_8_9_0_"; |
| 236 | std::ios_base::iostate err = ios.goodbit; |
| 237 | input_iterator<const char*> iter = |
| 238 | f.get(input_iterator<const char*>(str), |
| 239 | input_iterator<const char*>(str+sizeof(str)), |
| 240 | ios, err, v); |
| 241 | assert(iter.base() == str+sizeof(str)-1); |
| 242 | assert(err == ios.failbit); |
| 243 | } |
| 244 | { |
| 245 | v = -1; |
| 246 | const char str[] = "3;14159265358979323846264338327950288419716939937510582097494459230781640628620899862803482534211706798214808651e+10"; |
| 247 | std::ios_base::iostate err = ios.goodbit; |
| 248 | input_iterator<const char*> iter = |
| 249 | f.get(input_iterator<const char*>(str), |
| 250 | input_iterator<const char*>(str+sizeof(str)), |
| 251 | ios, err, v); |
| 252 | assert(iter.base() == str+sizeof(str)-1); |
| 253 | assert(err == ios.goodbit); |
| 254 | assert(std::abs(v - 3.14159265358979e+10)/3.14159265358979e+10 < 1.e-8); |
| 255 | } |
| 256 | } |