1 | #include <collections/vector2.hfa> |
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2 | |
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3 | void raiiTests() { |
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4 | printf("raiiTests=================\n"); |
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5 | |
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6 | vector( float ) v = { 25 }; |
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7 | |
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8 | push_last( v, 1 ); |
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9 | printf( "Having pushed, length is %ld\n", v`length ); |
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10 | |
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11 | float y = v[0]`val; |
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12 | printf( "by transit, got pos0 = %f\n", y ); |
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13 | |
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14 | { |
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15 | vector_exit(float) it = v[0]; |
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16 | |
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17 | float z = it`val; |
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18 | printf( "by exit, got pos0 = %f\n", z ); |
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19 | |
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20 | // forbid modification while locked |
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21 | #ifdef TRY_MOD_WHILE_LOCKED_1 |
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22 | push_last( v, 1 ); // runtime assertion failure |
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23 | printf( "Having pushed, length is %ld\n", v`length ); |
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24 | #endif |
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25 | } |
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26 | |
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27 | push_last( v, 2 ); |
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28 | printf( "Having pushed, length is %ld\n", v`length ); |
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29 | |
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30 | // deletion scope for some exits |
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31 | // point is the function decls and calls, though |
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32 | { |
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33 | void helperE(vector_exit(float) it) { |
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34 | float q = it`val; |
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35 | printf( "helperE sees %f\n", q ); |
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36 | } |
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37 | |
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38 | vector_exit(float) it2 = v[1]; |
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39 | helperE(it2); |
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40 | |
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41 | // can't call with implied exit (wish I could, low priority) |
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42 | #ifdef TRY_IMPLIED_EXIT_1 |
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43 | helperE( v[1] ); // Invalid application of existing declaration(s) |
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44 | #endif |
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45 | |
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46 | //------ |
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47 | |
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48 | vector_exit(float) producerE( vector( float ) & theVec ) { |
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49 | return theVec[0]; |
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50 | } |
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51 | |
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52 | vector_exit(float) it3 = producerE( v ); |
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53 | float z = it3`val; |
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54 | printf( "producerE gave %f\n", z ); |
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55 | |
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56 | float zzzz = producerE( v )`val; |
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57 | printf( "producerE again gave %f\n", zzzz ); |
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58 | |
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59 | //------ |
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60 | |
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61 | void helperT(vector_transit(float) it) { |
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62 | float q = it`val; |
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63 | printf( "helperT sees %f\n", q ); |
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64 | } |
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65 | |
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66 | helperT( v[1] ); |
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67 | |
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68 | //------ |
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69 | |
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70 | vector_transit(float) producerT( vector( float ) & theVec ) { |
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71 | return theVec[0]; |
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72 | } |
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73 | |
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74 | float zz = producerT( v )`val; |
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75 | printf( "producerT gave %f\n", zz ); |
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76 | } |
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77 | |
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78 | //======= |
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79 | |
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80 | { |
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81 | vector_permit(float) it = v[0]; |
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82 | |
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83 | float z = it`val; |
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84 | printf( "by permit, got pos0 = %f\n", z ); |
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85 | |
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86 | // allow modification while permits exist |
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87 | push_last( v, 1 ); |
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88 | printf( "Having pushed, length is %ld\n", v`length ); |
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89 | |
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90 | // forbid passing permit by value |
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91 | #ifdef TRY_PASS_PERMIT_BYVAL_1 |
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92 | void f( vector_permit(float) xx ) { |
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93 | printf("can't get here\n"); |
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94 | } |
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95 | f( it ); // Unique best alternative includes deleted identifier |
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96 | #endif |
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97 | |
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98 | // can declare function that returns permit (wish to forbid) |
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99 | vector_permit(float) g( vector( float ) & theVec ) { |
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100 | return theVec[0]; // want to forbid |
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101 | } |
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102 | |
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103 | // forbid calling a function that returns permit by value |
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104 | #ifdef TRY_RETURN_PERMIT_BYVAL_1 |
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105 | vector_permit(float) ofG = g( v ); // Unique best alternative includes deleted identifier |
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106 | #endif |
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107 | |
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108 | // allow declaration of permit, populating from exit |
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109 | vector_exit(float) h( vector( float ) & theVec ) { |
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110 | return theVec[0]; |
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111 | } |
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112 | |
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113 | vector_permit(float) ofH = h( v ); |
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114 | float zh = ofH`val; |
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115 | printf( "into permit from call, got ofH = %f\n", zh ); |
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116 | } |
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117 | } |
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118 | |
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119 | void stayValidTests() { |
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120 | printf("stayValidTests============\n"); |
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121 | vector( float ) v = { 4 }; |
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122 | push_last(v, 0.0f); |
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123 | push_last(v, 0.1f); |
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124 | push_last(v, 0.2f); |
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125 | // v is [0.0, 0.1, 0.2] |
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126 | |
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127 | vector_permit(float) iter = v[1]; // iter at 0.1 |
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128 | |
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129 | float val1 = iter`val; |
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130 | printf("before %f\n", val1); |
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131 | |
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132 | insert_before( v, 1, 98.6f ); // v is [0.0, 98.6, 0.1, 0.2]; iter at 0.1 |
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133 | |
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134 | float val2 = iter`val; |
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135 | printf("after, logical: %f\n", val2); |
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136 | |
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137 | // we had filled it to the brim |
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138 | assert( v`capacity == 4 && v`length == 4 ); |
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139 | |
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140 | push_last(v, -100); // v is [0.0, 98.6, 0.1, 0.2, 0.3]; iter at 0.1, but RTP it's not looking at the old memory's 0.1 |
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141 | |
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142 | // that made it bigger |
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143 | assert( v`capacity > 5 && v`length == 5 ); |
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144 | |
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145 | v[2] = -0.1f; // v is [0.0, 98.6, -0.1, 0.2, 0.3]; iter at -0.1, where only the new memory had that change |
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146 | |
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147 | float val3 = iter`val; |
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148 | printf("after, physical: %f\n", val3); |
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149 | } |
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150 | |
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151 | void loopTests() { |
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152 | printf("loopTests=================\n"); |
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153 | vector(float) v = { 4 }; |
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154 | push_last(v, 0.0f); |
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155 | push_last(v, 0.1f); |
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156 | push_last(v, 0.2f); |
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157 | float toPrint; |
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158 | |
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159 | while( vector_exit(float) it = v`origin; it`moveNext ) { |
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160 | toPrint *= it; |
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161 | printf("loop sees %f\n", toPrint); |
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162 | } |
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163 | } |
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164 | |
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165 | int main() { |
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166 | raiiTests(); |
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167 | stayValidTests(); |
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168 | loopTests(); |
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169 | } |
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