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1 #include <functional> |
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2 #include <memory> |
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3 #include <vector> |
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4 #include <algorithm> |
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5 |
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6 #include "cppunit/cppunit_proxy.h" |
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7 |
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8 #if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES) |
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9 using namespace std; |
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10 #endif |
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11 |
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12 // |
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13 // TestCase class |
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14 // |
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15 class MemFunPtrTest : public CPPUNIT_NS::TestCase |
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16 { |
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17 CPPUNIT_TEST_SUITE(MemFunPtrTest); |
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18 CPPUNIT_TEST(mem_ptr_fun); |
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19 #if defined (STLPORT) && !defined (_STLP_CLASS_PARTIAL_SPECIALIZATION) |
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20 //This test require partial template specialization feature to avoid the |
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21 //reference to reference problem. No workaround yet for limited compilers. |
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22 CPPUNIT_IGNORE; |
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23 #endif |
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24 CPPUNIT_TEST(find); |
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25 CPPUNIT_TEST_SUITE_END(); |
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26 |
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27 protected: |
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28 // compile test not neccessary to run but... |
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29 void mem_ptr_fun(); |
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30 void find(); |
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31 }; |
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32 |
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33 CPPUNIT_TEST_SUITE_REGISTRATION(MemFunPtrTest); |
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34 |
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35 #if defined(_STLP_DONT_RETURN_VOID) && (defined(_STLP_NO_MEMBER_TEMPLATE_CLASSES) && defined(_STLP_NO_CLASS_PARTIAL_SPECIALIZATION)) |
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36 # define _STLP_DONT_TEST_RETURN_VOID |
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37 #endif |
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38 //else there is no workaround for the return void bug |
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39 |
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40 struct S1 { } s1; |
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41 struct S2 { } s2; |
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42 |
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43 int f1(S1&); |
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44 int f2(S1&, S2&); |
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45 int f1c(const S1&); |
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46 int f2c(const S1&, const S2&); |
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47 |
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48 void vf1(S1&); |
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49 void vf2(S1&, S2&); |
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50 void vf1c(const S1&); |
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51 void vf2c(const S1&, const S2&); |
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52 |
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53 class Class { |
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54 public: |
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55 int f0(); |
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56 int f1(const S1&); |
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57 |
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58 void vf0(); |
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59 void vf1(const S1&); |
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60 |
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61 int f0c() const; |
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62 int f1c(const S1&) const; |
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63 |
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64 void vf0c() const; |
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65 void vf1c(const S1&) const; |
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66 }; |
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67 |
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68 // |
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69 // tests implementation |
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70 // |
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71 void MemFunPtrTest::mem_ptr_fun() |
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72 { |
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73 Class obj; |
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74 const Class& objc = obj; |
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75 |
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76 // ptr_fun |
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77 |
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78 ptr_fun(f1)(s1); |
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79 ptr_fun(f2)(s1, s2); |
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80 |
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81 ptr_fun(f1c)(s1); |
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82 ptr_fun(f2c)(s1, s2); |
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83 |
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84 #ifndef _STLP_DONT_TEST_RETURN_VOID |
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85 ptr_fun(vf1)(s1); |
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86 ptr_fun(vf2)(s1, s2); |
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87 |
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88 ptr_fun(vf1c)(s1); |
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89 ptr_fun(vf2c)(s1, s2); |
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90 #endif /* _STLP_DONT_TEST_RETURN_VOID */ |
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91 |
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92 // mem_fun |
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93 |
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94 mem_fun(&Class::f0)(&obj); |
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95 mem_fun(&Class::f1)(&obj, s1); |
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96 |
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97 #ifndef _STLP_DONT_TEST_RETURN_VOID |
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98 mem_fun(&Class::vf0)(&obj); |
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99 mem_fun(&Class::vf1)(&obj, s1); |
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100 #endif /* _STLP_DONT_TEST_RETURN_VOID */ |
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101 |
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102 // mem_fun (const) |
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103 |
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104 mem_fun(&Class::f0c)(&objc); |
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105 mem_fun(&Class::f1c)(&objc, s1); |
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106 |
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107 #ifndef _STLP_DONT_TEST_RETURN_VOID |
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108 mem_fun(&Class::vf0c)(&objc); |
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109 mem_fun(&Class::vf1c)(&objc, s1); |
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110 #endif /* _STLP_DONT_TEST_RETURN_VOID */ |
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111 |
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112 // mem_fun_ref |
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113 |
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114 mem_fun_ref(&Class::f0)(obj); |
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115 mem_fun_ref(&Class::f1)(obj, s1); |
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116 |
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117 #ifndef _STLP_DONT_TEST_RETURN_VOID |
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118 mem_fun_ref(&Class::vf0)(obj); |
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119 mem_fun_ref(&Class::vf1)(obj, s1); |
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120 #endif /* _STLP_DONT_TEST_RETURN_VOID */ |
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121 |
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122 // mem_fun_ref (const) |
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123 mem_fun_ref(&Class::f0c)(objc); |
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124 mem_fun_ref(&Class::f1c)(objc, s1); |
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125 |
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126 #ifndef _STLP_DONT_TEST_RETURN_VOID |
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127 mem_fun_ref(&Class::vf0c)(objc); |
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128 mem_fun_ref(&Class::vf1c)(objc, s1); |
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129 #endif /* _STLP_DONT_TEST_RETURN_VOID */ |
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130 } |
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131 int f1(S1&) |
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132 {return 1;} |
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133 |
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134 int f2(S1&, S2&) |
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135 {return 2;} |
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136 |
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137 int f1c(const S1&) |
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138 {return 1;} |
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139 |
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140 int f2c(const S1&, const S2&) |
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141 {return 2;} |
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142 |
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143 void vf1(S1&) |
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144 {} |
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145 |
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146 void vf2(S1&, S2&) |
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147 {} |
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148 |
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149 void vf1c(const S1&) |
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150 {} |
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151 |
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152 void vf2c(const S1&, const S2&) |
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153 {} |
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154 |
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155 int Class::f0() |
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156 {return 0;} |
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157 |
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158 int Class::f1(const S1&) |
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159 {return 1;} |
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160 |
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161 void Class::vf0() |
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162 {} |
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163 |
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164 void Class::vf1(const S1&) |
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165 {} |
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166 |
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167 int Class::f0c() const |
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168 {return 0;} |
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169 |
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170 int Class::f1c(const S1&) const |
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171 {return 1;} |
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172 |
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173 void Class::vf0c() const |
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174 {} |
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175 |
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176 void Class::vf1c(const S1&) const |
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177 {} |
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178 |
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179 struct V { |
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180 public: |
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181 V(int _v) : |
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182 v(_v) |
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183 { } |
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184 |
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185 bool f( int _v ) const { return (v == _v); } |
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186 |
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187 int v; |
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188 #if defined (__DMC__) |
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189 V(){} |
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190 #endif |
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191 }; |
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192 |
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193 void MemFunPtrTest::find() |
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194 { |
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195 #if !defined (STLPORT) || defined (_STLP_CLASS_PARTIAL_SPECIALIZATION) |
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196 vector<V> v; |
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197 |
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198 v.push_back( V(1) ); |
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199 v.push_back( V(2) ); |
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200 v.push_back( V(3) ); |
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201 |
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202 // step-by-step complication of work for compiler: |
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203 |
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204 // step 1: |
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205 const_mem_fun1_ref_t<bool,V,int> pmf = mem_fun_ref( &V::f ); |
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206 binder2nd<const_mem_fun1_ref_t<bool,V,int> > b(pmf, 2); |
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207 vector<V>::iterator i = find_if( v.begin(), v.end(), b ); |
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208 CPPUNIT_ASSERT(i != v.end()); |
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209 CPPUNIT_ASSERT(i->v == 2); |
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210 |
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211 // step 2, just check that compiler understand what pass to bind2nd: |
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212 binder2nd<const_mem_fun1_ref_t<bool,V,int> > b2 = bind2nd( pmf, 2 ); |
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213 |
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214 // step 3, the same as step 1, but more intellect from compiler required: |
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215 binder2nd<const_mem_fun1_ref_t<bool,V,int> > b3 = bind2nd( mem_fun_ref( &V::f ), 2 ); |
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216 |
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217 vector<V>::iterator j = find_if( v.begin(), v.end(), b3 ); |
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218 CPPUNIT_ASSERT(j != v.end()); |
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219 CPPUNIT_ASSERT(j->v == 2); |
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220 |
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221 // step 4, more brief, more complex: |
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222 vector<V>::iterator k = find_if( v.begin(), v.end(), bind2nd( mem_fun_ref( &V::f ), 2 ) ); |
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223 CPPUNIT_ASSERT(k != v.end()); |
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224 CPPUNIT_ASSERT(k->v == 2); |
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225 #endif |
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226 } |
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227 |
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228 #ifdef _STLP_DONT_TEST_RETURN_VOID |
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229 # undef _STLP_DONT_TEST_RETURN_VOID |
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230 #endif |