1 | // Boost ios_state_unit_test.cpp test file ---------------------------------// |
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2 | |
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3 | // Copyright 2003 Daryle Walker. Use, modification, and distribution are |
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4 | // subject to the Boost Software License, Version 1.0. (See accompanying file |
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5 | // LICENSE_1_0.txt or a copy at <http://www.boost.org/LICENSE_1_0.txt>.) |
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6 | |
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7 | // See <http://www.boost.org/libs/io/> for the library's home page. |
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8 | |
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9 | // Revision History |
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10 | // 12 Sep 2003 Initial version (Daryle Walker) |
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11 | |
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12 | #include <boost/io/ios_state.hpp> // for boost::io::ios_flags_saver, etc. |
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13 | #include <boost/test/unit_test.hpp> // for main, BOOST_CHECK, etc. |
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14 | |
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15 | #include <cstddef> // for NULL |
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16 | #include <iomanip> // for std::setiosflags, etc. |
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17 | #include <ios> // for std::ios_base |
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18 | #include <iostream> // for std::cout, std::cerr, etc. |
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19 | #include <istream> // for std::iostream |
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20 | #include <locale> // for std::locale, std::numpunct |
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21 | #include <sstream> // for std::stringstream, etc. |
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22 | |
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23 | |
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24 | // Global constants |
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25 | int const word_index = std::ios_base::xalloc(); |
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26 | |
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27 | |
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28 | // Facet with the (classic) bool names spelled backwards |
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29 | class backward_bool_names |
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30 | : public std::numpunct<char> |
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31 | { |
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32 | typedef std::numpunct<char> base_type; |
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33 | |
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34 | public: |
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35 | explicit backward_bool_names( std::size_t refs = 0 ) |
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36 | : base_type( refs ) |
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37 | {} |
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38 | |
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39 | protected: |
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40 | virtual ~backward_bool_names() {} |
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41 | |
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42 | virtual base_type::string_type do_truename() const |
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43 | { return "eurt"; } |
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44 | virtual base_type::string_type do_falsename() const |
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45 | { return "eslaf"; } |
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46 | }; |
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47 | |
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48 | |
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49 | // Unit test for format-flag saving |
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50 | void |
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51 | ios_flags_saver_unit_test |
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52 | ( |
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53 | ) |
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54 | { |
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55 | using namespace std; |
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56 | |
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57 | stringstream ss; |
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58 | |
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59 | BOOST_CHECK_EQUAL( (ios_base::skipws | ios_base::dec), ss.flags() ); |
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60 | |
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61 | { |
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62 | boost::io::ios_flags_saver ifs( ss ); |
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63 | |
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64 | BOOST_CHECK_EQUAL( (ios_base::skipws | ios_base::dec), ss.flags() ); |
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65 | |
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66 | ss << noskipws << fixed << boolalpha; |
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67 | BOOST_CHECK_EQUAL( (ios_base::boolalpha | ios_base::dec |
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68 | | ios_base::fixed), ss.flags() ); |
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69 | } |
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70 | |
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71 | BOOST_CHECK_EQUAL( (ios_base::skipws | ios_base::dec), ss.flags() ); |
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72 | |
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73 | { |
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74 | boost::io::ios_flags_saver ifs( ss, (ios_base::showbase |
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75 | | ios_base::internal) ); |
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76 | |
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77 | BOOST_CHECK_EQUAL( (ios_base::showbase | ios_base::internal), |
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78 | ss.flags() ); |
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79 | |
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80 | ss << setiosflags( ios_base::unitbuf ); |
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81 | BOOST_CHECK_EQUAL( (ios_base::showbase | ios_base::internal |
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82 | | ios_base::unitbuf), ss.flags() ); |
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83 | } |
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84 | |
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85 | BOOST_CHECK_EQUAL( (ios_base::skipws | ios_base::dec), ss.flags() ); |
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86 | } |
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87 | |
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88 | // Unit test for precision saving |
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89 | void |
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90 | ios_precision_saver_unit_test |
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91 | ( |
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92 | ) |
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93 | { |
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94 | using namespace std; |
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95 | |
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96 | stringstream ss; |
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97 | |
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98 | BOOST_CHECK_EQUAL( 6, ss.precision() ); |
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99 | |
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100 | { |
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101 | boost::io::ios_precision_saver ips( ss ); |
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102 | |
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103 | BOOST_CHECK_EQUAL( 6, ss.precision() ); |
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104 | |
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105 | ss << setprecision( 4 ); |
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106 | BOOST_CHECK_EQUAL( 4, ss.precision() ); |
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107 | } |
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108 | |
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109 | BOOST_CHECK_EQUAL( 6, ss.precision() ); |
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110 | |
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111 | { |
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112 | boost::io::ios_precision_saver ips( ss, 8 ); |
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113 | |
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114 | BOOST_CHECK_EQUAL( 8, ss.precision() ); |
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115 | |
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116 | ss << setprecision( 10 ); |
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117 | BOOST_CHECK_EQUAL( 10, ss.precision() ); |
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118 | } |
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119 | |
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120 | BOOST_CHECK_EQUAL( 6, ss.precision() ); |
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121 | } |
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122 | |
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123 | // Unit test for width saving |
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124 | void |
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125 | ios_width_saver_unit_test |
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126 | ( |
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127 | ) |
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128 | { |
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129 | using namespace std; |
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130 | |
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131 | stringstream ss; |
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132 | |
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133 | BOOST_CHECK_EQUAL( 0, ss.width() ); |
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134 | |
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135 | { |
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136 | boost::io::ios_width_saver iws( ss ); |
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137 | |
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138 | BOOST_CHECK_EQUAL( 0, ss.width() ); |
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139 | |
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140 | ss << setw( 4 ); |
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141 | BOOST_CHECK_EQUAL( 4, ss.width() ); |
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142 | } |
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143 | |
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144 | BOOST_CHECK_EQUAL( 0, ss.width() ); |
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145 | |
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146 | { |
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147 | boost::io::ios_width_saver iws( ss, 8 ); |
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148 | |
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149 | BOOST_CHECK_EQUAL( 8, ss.width() ); |
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150 | |
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151 | ss << setw( 10 ); |
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152 | BOOST_CHECK_EQUAL( 10, ss.width() ); |
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153 | } |
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154 | |
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155 | BOOST_CHECK_EQUAL( 0, ss.width() ); |
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156 | } |
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157 | |
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158 | // Unit test for I/O-state saving |
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159 | void |
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160 | ios_iostate_saver_unit_test |
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161 | ( |
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162 | ) |
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163 | { |
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164 | using namespace std; |
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165 | |
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166 | stringstream ss; |
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167 | |
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168 | BOOST_CHECK_EQUAL( ios_base::goodbit, ss.rdstate() ); |
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169 | BOOST_CHECK( ss.good() ); |
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170 | |
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171 | { |
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172 | boost::io::ios_iostate_saver iis( ss ); |
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173 | char c; |
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174 | |
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175 | BOOST_CHECK_EQUAL( ios_base::goodbit, ss.rdstate() ); |
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176 | BOOST_CHECK( ss.good() ); |
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177 | |
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178 | ss >> c; |
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179 | BOOST_CHECK_EQUAL( (ios_base::eofbit | ios_base::failbit), |
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180 | ss.rdstate() ); |
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181 | BOOST_CHECK( ss.eof() ); |
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182 | BOOST_CHECK( ss.fail() ); |
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183 | BOOST_CHECK( !ss.bad() ); |
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184 | } |
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185 | |
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186 | BOOST_CHECK_EQUAL( ios_base::goodbit, ss.rdstate() ); |
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187 | BOOST_CHECK( ss.good() ); |
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188 | |
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189 | { |
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190 | boost::io::ios_iostate_saver iis( ss, ios_base::eofbit ); |
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191 | |
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192 | BOOST_CHECK_EQUAL( ios_base::eofbit, ss.rdstate() ); |
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193 | BOOST_CHECK( ss.eof() ); |
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194 | |
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195 | ss.setstate( ios_base::badbit ); |
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196 | BOOST_CHECK_EQUAL( (ios_base::eofbit | ios_base::badbit), |
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197 | ss.rdstate() ); |
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198 | BOOST_CHECK( ss.eof() ); |
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199 | BOOST_CHECK( ss.fail() ); |
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200 | BOOST_CHECK( ss.bad() ); |
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201 | } |
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202 | |
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203 | BOOST_CHECK_EQUAL( ios_base::goodbit, ss.rdstate() ); |
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204 | BOOST_CHECK( ss.good() ); |
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205 | } |
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206 | |
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207 | // Unit test for exception-flag saving |
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208 | void |
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209 | ios_exception_saver_unit_test |
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210 | ( |
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211 | ) |
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212 | { |
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213 | using namespace std; |
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214 | |
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215 | stringstream ss; |
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216 | |
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217 | BOOST_CHECK_EQUAL( ios_base::goodbit, ss.exceptions() ); |
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218 | |
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219 | { |
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220 | boost::io::ios_exception_saver ies( ss ); |
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221 | |
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222 | BOOST_CHECK_EQUAL( ios_base::goodbit, ss.exceptions() ); |
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223 | |
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224 | ss.exceptions( ios_base::failbit ); |
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225 | BOOST_CHECK_EQUAL( ios_base::failbit, ss.exceptions() ); |
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226 | |
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227 | { |
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228 | boost::io::ios_iostate_saver iis( ss ); |
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229 | char c; |
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230 | |
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231 | BOOST_CHECK_THROW( ss >> c, std::ios_base::failure ); |
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232 | } |
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233 | } |
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234 | |
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235 | BOOST_CHECK_EQUAL( ios_base::goodbit, ss.exceptions() ); |
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236 | |
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237 | { |
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238 | boost::io::ios_exception_saver ies( ss, ios_base::eofbit ); |
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239 | |
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240 | BOOST_CHECK_EQUAL( ios_base::eofbit, ss.exceptions() ); |
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241 | |
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242 | ss.exceptions( ios_base::badbit ); |
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243 | BOOST_CHECK_EQUAL( ios_base::badbit, ss.exceptions() ); |
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244 | |
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245 | { |
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246 | boost::io::ios_iostate_saver iis( ss ); |
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247 | char c; |
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248 | |
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249 | BOOST_CHECK_NO_THROW( ss >> c ); |
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250 | } |
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251 | } |
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252 | |
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253 | BOOST_CHECK_EQUAL( ios_base::goodbit, ss.exceptions() ); |
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254 | } |
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255 | |
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256 | // Unit test for tied-stream saving |
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257 | void |
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258 | ios_tie_saver_unit_test |
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259 | ( |
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260 | ) |
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261 | { |
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262 | using namespace std; |
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263 | |
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264 | BOOST_CHECK( NULL == cout.tie() ); |
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265 | |
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266 | { |
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267 | boost::io::ios_tie_saver its( cout ); |
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268 | |
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269 | BOOST_CHECK( NULL == cout.tie() ); |
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270 | |
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271 | cout.tie( &clog ); |
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272 | BOOST_CHECK_EQUAL( &clog, cout.tie() ); |
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273 | } |
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274 | |
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275 | BOOST_CHECK( NULL == cout.tie() ); |
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276 | |
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277 | { |
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278 | boost::io::ios_tie_saver its( cout, &clog ); |
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279 | |
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280 | BOOST_CHECK_EQUAL( &clog, cout.tie() ); |
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281 | |
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282 | cout.tie( &cerr ); |
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283 | BOOST_CHECK_EQUAL( &cerr, cout.tie() ); |
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284 | } |
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285 | |
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286 | BOOST_CHECK( NULL == cout.tie() ); |
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287 | } |
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288 | |
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289 | // Unit test for connected-streambuf saving |
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290 | void |
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291 | ios_rdbuf_saver_unit_test |
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292 | ( |
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293 | ) |
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294 | { |
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295 | using namespace std; |
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296 | |
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297 | iostream s( NULL ); |
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298 | |
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299 | BOOST_CHECK( NULL == s.rdbuf() ); |
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300 | |
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301 | { |
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302 | stringbuf sb; |
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303 | boost::io::ios_rdbuf_saver irs( s ); |
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304 | |
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305 | BOOST_CHECK( NULL == s.rdbuf() ); |
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306 | |
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307 | s.rdbuf( &sb ); |
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308 | BOOST_CHECK_EQUAL( &sb, s.rdbuf() ); |
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309 | } |
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310 | |
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311 | BOOST_CHECK( NULL == s.rdbuf() ); |
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312 | |
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313 | { |
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314 | stringbuf sb1, sb2( "Hi there" ); |
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315 | boost::io::ios_rdbuf_saver irs( s, &sb1 ); |
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316 | |
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317 | BOOST_CHECK_EQUAL( &sb1, s.rdbuf() ); |
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318 | |
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319 | s.rdbuf( &sb2 ); |
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320 | BOOST_CHECK_EQUAL( &sb2, s.rdbuf() ); |
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321 | } |
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322 | |
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323 | BOOST_CHECK( NULL == s.rdbuf() ); |
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324 | } |
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325 | |
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326 | // Unit test for fill-character saving |
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327 | void |
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328 | ios_fill_saver_unit_test |
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329 | ( |
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330 | ) |
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331 | { |
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332 | using namespace std; |
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333 | |
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334 | stringstream ss; |
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335 | |
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336 | BOOST_CHECK_EQUAL( ' ', ss.fill() ); |
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337 | |
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338 | { |
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339 | boost::io::ios_fill_saver ifs( ss ); |
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340 | |
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341 | BOOST_CHECK_EQUAL( ' ', ss.fill() ); |
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342 | |
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343 | ss.fill( 'x' ); |
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344 | BOOST_CHECK_EQUAL( 'x', ss.fill() ); |
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345 | } |
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346 | |
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347 | BOOST_CHECK_EQUAL( ' ', ss.fill() ); |
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348 | |
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349 | { |
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350 | boost::io::ios_fill_saver ifs( ss, '3' ); |
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351 | |
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352 | BOOST_CHECK_EQUAL( '3', ss.fill() ); |
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353 | |
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354 | ss.fill( '+' ); |
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355 | BOOST_CHECK_EQUAL( '+', ss.fill() ); |
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356 | } |
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357 | |
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358 | BOOST_CHECK_EQUAL( ' ', ss.fill() ); |
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359 | } |
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360 | |
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361 | // Unit test for locale saving |
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362 | void |
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363 | ios_locale_saver_unit_test |
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364 | ( |
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365 | ) |
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366 | { |
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367 | using namespace std; |
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368 | |
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369 | typedef numpunct<char> npc_type; |
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370 | |
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371 | stringstream ss; |
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372 | |
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373 | BOOST_CHECK( locale() == ss.getloc() ); |
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374 | // locales are unprintable, so no BOOST_CHECK_EQUAL |
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375 | BOOST_CHECK( !has_facet<npc_type>(ss.getloc()) || (NULL |
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376 | == dynamic_cast<backward_bool_names const *>( |
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377 | &use_facet<npc_type>(ss.getloc()) )) ); |
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378 | // my implementation of has_facet just checks IDs, but doesn't do dynamic |
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379 | // cast (therefore if a specifc facet type is missing, but its base class |
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380 | // is available, has_facet will mistakenly[?] match), so I have to do it |
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381 | // here. I wanted: "BOOST_CHECK( ! has_facet< backward_bool_names >( |
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382 | // ss.getloc() ) )" |
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383 | { |
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384 | boost::io::ios_locale_saver ils( ss ); |
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385 | |
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386 | BOOST_CHECK( locale() == ss.getloc() ); |
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387 | |
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388 | ss.imbue( locale::classic() ); |
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389 | BOOST_CHECK( locale::classic() == ss.getloc() ); |
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390 | } |
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391 | |
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392 | BOOST_CHECK( locale() == ss.getloc() ); |
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393 | BOOST_CHECK( !has_facet<npc_type>(ss.getloc()) || (NULL |
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394 | == dynamic_cast<backward_bool_names const *>( |
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395 | &use_facet<npc_type>(ss.getloc()) )) ); |
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396 | |
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397 | { |
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398 | boost::io::ios_locale_saver ils( ss, locale::classic() ); |
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399 | |
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400 | BOOST_CHECK( locale::classic() == ss.getloc() ); |
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401 | BOOST_CHECK( !has_facet<npc_type>(ss.getloc()) || (NULL |
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402 | == dynamic_cast<backward_bool_names const *>( |
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403 | &use_facet<npc_type>(ss.getloc()) )) ); |
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404 | |
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405 | ss.imbue( locale(locale::classic(), new backward_bool_names) ); |
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406 | BOOST_CHECK( locale::classic() != ss.getloc() ); |
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407 | BOOST_CHECK( has_facet<npc_type>(ss.getloc()) && (NULL |
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408 | != dynamic_cast<backward_bool_names const *>( |
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409 | &use_facet<npc_type>(ss.getloc()) )) ); |
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410 | //BOOST_CHECK( has_facet<backward_bool_names>(ss.getloc()) ); |
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411 | } |
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412 | |
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413 | BOOST_CHECK( locale() == ss.getloc() ); |
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414 | BOOST_CHECK( !has_facet<npc_type>(ss.getloc()) || (NULL |
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415 | == dynamic_cast<backward_bool_names const *>( |
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416 | &use_facet<npc_type>(ss.getloc()) )) ); |
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417 | } |
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418 | |
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419 | // Unit test for user-defined integer data saving |
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420 | void |
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421 | ios_iword_saver_unit_test |
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422 | ( |
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423 | ) |
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424 | { |
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425 | using namespace std; |
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426 | |
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427 | stringstream ss; |
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428 | |
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429 | BOOST_CHECK_EQUAL( 0, ss.iword(word_index) ); |
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430 | |
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431 | { |
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432 | boost::io::ios_iword_saver iis( ss, word_index ); |
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433 | |
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434 | BOOST_CHECK_EQUAL( 0, ss.iword(word_index) ); |
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435 | |
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436 | ss.iword( word_index ) = 6; |
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437 | BOOST_CHECK_EQUAL( 6, ss.iword(word_index) ); |
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438 | } |
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439 | |
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440 | BOOST_CHECK_EQUAL( 0, ss.iword(word_index) ); |
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441 | |
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442 | { |
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443 | boost::io::ios_iword_saver iis( ss, word_index, 100 ); |
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444 | |
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445 | BOOST_CHECK_EQUAL( 100, ss.iword(word_index) ); |
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446 | |
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447 | ss.iword( word_index ) = -2000; |
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448 | BOOST_CHECK_EQUAL( -2000, ss.iword(word_index) ); |
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449 | } |
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450 | |
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451 | BOOST_CHECK_EQUAL( 0, ss.iword(word_index) ); |
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452 | } |
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453 | |
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454 | // Unit test for user-defined pointer data saving |
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455 | void |
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456 | ios_pword_saver_unit_test |
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457 | ( |
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458 | ) |
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459 | { |
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460 | using namespace std; |
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461 | |
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462 | stringstream ss; |
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463 | |
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464 | BOOST_CHECK( NULL == ss.pword(word_index) ); |
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465 | |
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466 | { |
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467 | boost::io::ios_pword_saver ips( ss, word_index ); |
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468 | |
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469 | BOOST_CHECK( NULL == ss.pword(word_index) ); |
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470 | |
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471 | ss.pword( word_index ) = &ss; |
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472 | BOOST_CHECK_EQUAL( &ss, ss.pword(word_index) ); |
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473 | } |
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474 | |
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475 | BOOST_CHECK( NULL == ss.pword(word_index) ); |
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476 | |
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477 | { |
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478 | boost::io::ios_pword_saver ips( ss, word_index, ss.rdbuf() ); |
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479 | |
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480 | BOOST_CHECK_EQUAL( ss.rdbuf(), ss.pword(word_index) ); |
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481 | |
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482 | ss.pword( word_index ) = &ss; |
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483 | BOOST_CHECK_EQUAL( &ss, ss.pword(word_index) ); |
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484 | } |
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485 | |
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486 | BOOST_CHECK( NULL == ss.pword(word_index) ); |
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487 | } |
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488 | |
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489 | // Unit test for all ios_base data saving |
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490 | void |
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491 | ios_base_all_saver_unit_test |
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492 | ( |
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493 | ) |
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494 | { |
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495 | using namespace std; |
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496 | |
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497 | stringstream ss; |
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498 | |
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499 | BOOST_CHECK_EQUAL( (ios_base::skipws | ios_base::dec), ss.flags() ); |
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500 | BOOST_CHECK_EQUAL( 6, ss.precision() ); |
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501 | BOOST_CHECK_EQUAL( 0, ss.width() ); |
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502 | |
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503 | { |
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504 | boost::io::ios_base_all_saver ibas( ss ); |
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505 | |
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506 | BOOST_CHECK_EQUAL( (ios_base::skipws | ios_base::dec), ss.flags() ); |
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507 | BOOST_CHECK_EQUAL( 6, ss.precision() ); |
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508 | BOOST_CHECK_EQUAL( 0, ss.width() ); |
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509 | |
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510 | ss << hex << unitbuf << setprecision( 5 ) << setw( 7 ); |
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511 | BOOST_CHECK_EQUAL( (ios_base::unitbuf | ios_base::hex |
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512 | | ios_base::skipws), ss.flags() ); |
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513 | BOOST_CHECK_EQUAL( 5, ss.precision() ); |
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514 | BOOST_CHECK_EQUAL( 7, ss.width() ); |
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515 | } |
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516 | |
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517 | BOOST_CHECK_EQUAL( (ios_base::skipws | ios_base::dec), ss.flags() ); |
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518 | BOOST_CHECK_EQUAL( 6, ss.precision() ); |
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519 | BOOST_CHECK_EQUAL( 0, ss.width() ); |
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520 | } |
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521 | |
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522 | // Unit test for all basic_ios data saving |
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523 | void |
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524 | ios_all_saver_unit_test |
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525 | ( |
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526 | ) |
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527 | { |
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528 | using namespace std; |
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529 | |
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530 | typedef numpunct<char> npc_type; |
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531 | |
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532 | stringbuf sb; |
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533 | iostream ss( &sb ); |
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534 | |
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535 | BOOST_CHECK_EQUAL( (ios_base::skipws | ios_base::dec), ss.flags() ); |
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536 | BOOST_CHECK_EQUAL( 6, ss.precision() ); |
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537 | BOOST_CHECK_EQUAL( 0, ss.width() ); |
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538 | BOOST_CHECK_EQUAL( ios_base::goodbit, ss.rdstate() ); |
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539 | BOOST_CHECK( ss.good() ); |
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540 | BOOST_CHECK_EQUAL( ios_base::goodbit, ss.exceptions() ); |
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541 | BOOST_CHECK( NULL == ss.tie() ); |
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542 | BOOST_CHECK( &sb == ss.rdbuf() ); |
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543 | BOOST_CHECK_EQUAL( ' ', ss.fill() ); |
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544 | BOOST_CHECK( locale() == ss.getloc() ); |
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545 | |
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546 | { |
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547 | boost::io::ios_all_saver ias( ss ); |
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548 | |
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549 | BOOST_CHECK_EQUAL( (ios_base::skipws | ios_base::dec), ss.flags() ); |
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550 | BOOST_CHECK_EQUAL( 6, ss.precision() ); |
---|
551 | BOOST_CHECK_EQUAL( 0, ss.width() ); |
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552 | BOOST_CHECK_EQUAL( ios_base::goodbit, ss.rdstate() ); |
---|
553 | BOOST_CHECK( ss.good() ); |
---|
554 | BOOST_CHECK_EQUAL( ios_base::goodbit, ss.exceptions() ); |
---|
555 | BOOST_CHECK( NULL == ss.tie() ); |
---|
556 | BOOST_CHECK( &sb == ss.rdbuf() ); |
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557 | BOOST_CHECK_EQUAL( ' ', ss.fill() ); |
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558 | BOOST_CHECK( locale() == ss.getloc() ); |
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559 | |
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560 | ss << oct << showpos << noskipws; |
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561 | BOOST_CHECK_EQUAL( (ios_base::showpos | ios_base::oct), ss.flags() ); |
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562 | |
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563 | ss << setprecision( 3 ); |
---|
564 | BOOST_CHECK_EQUAL( 3, ss.precision() ); |
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565 | |
---|
566 | ss << setw( 9 ); |
---|
567 | BOOST_CHECK_EQUAL( 9, ss.width() ); |
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568 | |
---|
569 | ss.setstate( ios_base::eofbit ); |
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570 | BOOST_CHECK_EQUAL( ios_base::eofbit, ss.rdstate() ); |
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571 | BOOST_CHECK( ss.eof() ); |
---|
572 | |
---|
573 | ss.exceptions( ios_base::failbit ); |
---|
574 | BOOST_CHECK_EQUAL( ios_base::failbit, ss.exceptions() ); |
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575 | |
---|
576 | { |
---|
577 | boost::io::ios_iostate_saver iis( ss ); |
---|
578 | char c; |
---|
579 | |
---|
580 | BOOST_CHECK_THROW( ss >> c, std::ios_base::failure ); |
---|
581 | } |
---|
582 | |
---|
583 | ss.tie( &clog ); |
---|
584 | BOOST_CHECK_EQUAL( &clog, ss.tie() ); |
---|
585 | |
---|
586 | ss.rdbuf( cerr.rdbuf() ); |
---|
587 | BOOST_CHECK_EQUAL( cerr.rdbuf(), ss.rdbuf() ); |
---|
588 | |
---|
589 | ss << setfill( 'x' ); |
---|
590 | BOOST_CHECK_EQUAL( 'x', ss.fill() ); |
---|
591 | |
---|
592 | ss.imbue( locale(locale::classic(), new backward_bool_names) ); |
---|
593 | BOOST_CHECK( locale() != ss.getloc() ); |
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594 | BOOST_CHECK( has_facet<npc_type>(ss.getloc()) && (NULL |
---|
595 | != dynamic_cast<backward_bool_names const *>( |
---|
596 | &use_facet<npc_type>(ss.getloc()) )) ); |
---|
597 | } |
---|
598 | |
---|
599 | BOOST_CHECK_EQUAL( (ios_base::skipws | ios_base::dec), ss.flags() ); |
---|
600 | BOOST_CHECK_EQUAL( 6, ss.precision() ); |
---|
601 | BOOST_CHECK_EQUAL( 0, ss.width() ); |
---|
602 | BOOST_CHECK_EQUAL( ios_base::goodbit, ss.rdstate() ); |
---|
603 | BOOST_CHECK( ss.good() ); |
---|
604 | BOOST_CHECK_EQUAL( ios_base::goodbit, ss.exceptions() ); |
---|
605 | BOOST_CHECK( NULL == ss.tie() ); |
---|
606 | BOOST_CHECK( &sb == ss.rdbuf() ); |
---|
607 | BOOST_CHECK_EQUAL( ' ', ss.fill() ); |
---|
608 | BOOST_CHECK( locale() == ss.getloc() ); |
---|
609 | } |
---|
610 | |
---|
611 | // Unit test for user-defined data saving |
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612 | void |
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613 | ios_word_saver_unit_test |
---|
614 | ( |
---|
615 | ) |
---|
616 | { |
---|
617 | using namespace std; |
---|
618 | |
---|
619 | stringstream ss; |
---|
620 | |
---|
621 | BOOST_CHECK_EQUAL( 0, ss.iword(word_index) ); |
---|
622 | BOOST_CHECK( NULL == ss.pword(word_index) ); |
---|
623 | |
---|
624 | { |
---|
625 | boost::io::ios_all_word_saver iaws( ss, word_index ); |
---|
626 | |
---|
627 | BOOST_CHECK_EQUAL( 0, ss.iword(word_index) ); |
---|
628 | BOOST_CHECK( NULL == ss.pword(word_index) ); |
---|
629 | |
---|
630 | ss.iword( word_index ) = -11; |
---|
631 | ss.pword( word_index ) = ss.rdbuf(); |
---|
632 | BOOST_CHECK_EQUAL( -11, ss.iword(word_index) ); |
---|
633 | BOOST_CHECK_EQUAL( ss.rdbuf(), ss.pword(word_index) ); |
---|
634 | } |
---|
635 | |
---|
636 | BOOST_CHECK_EQUAL( 0, ss.iword(word_index) ); |
---|
637 | BOOST_CHECK( NULL == ss.pword(word_index) ); |
---|
638 | } |
---|
639 | |
---|
640 | |
---|
641 | // Unit test program |
---|
642 | boost::unit_test_framework::test_suite * |
---|
643 | init_unit_test_suite |
---|
644 | ( |
---|
645 | int , // "argc" is unused |
---|
646 | char * [] // "argv" is unused |
---|
647 | ) |
---|
648 | { |
---|
649 | boost::unit_test_framework::test_suite * test |
---|
650 | = BOOST_TEST_SUITE( "I/O state saver test" ); |
---|
651 | |
---|
652 | test->add( BOOST_TEST_CASE(ios_flags_saver_unit_test) ); |
---|
653 | test->add( BOOST_TEST_CASE(ios_precision_saver_unit_test) ); |
---|
654 | test->add( BOOST_TEST_CASE(ios_width_saver_unit_test) ); |
---|
655 | |
---|
656 | test->add( BOOST_TEST_CASE(ios_iostate_saver_unit_test) ); |
---|
657 | test->add( BOOST_TEST_CASE(ios_exception_saver_unit_test) ); |
---|
658 | test->add( BOOST_TEST_CASE(ios_tie_saver_unit_test) ); |
---|
659 | test->add( BOOST_TEST_CASE(ios_rdbuf_saver_unit_test) ); |
---|
660 | test->add( BOOST_TEST_CASE(ios_fill_saver_unit_test) ); |
---|
661 | test->add( BOOST_TEST_CASE(ios_locale_saver_unit_test) ); |
---|
662 | |
---|
663 | test->add( BOOST_TEST_CASE(ios_iword_saver_unit_test) ); |
---|
664 | test->add( BOOST_TEST_CASE(ios_pword_saver_unit_test) ); |
---|
665 | |
---|
666 | test->add( BOOST_TEST_CASE(ios_base_all_saver_unit_test) ); |
---|
667 | test->add( BOOST_TEST_CASE(ios_all_saver_unit_test) ); |
---|
668 | test->add( BOOST_TEST_CASE(ios_word_saver_unit_test) ); |
---|
669 | |
---|
670 | return test; |
---|
671 | } |
---|