1 | #include "mycpp/gc_list.h"
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2 |
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3 | #include <assert.h>
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4 | #include <stdarg.h> // va_list, etc.
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5 | #include <stdio.h> // vprintf
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6 |
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7 | #include "mycpp/common.h"
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8 | #include "mycpp/gc_alloc.h" // gHeap
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9 | #include "mycpp/gc_obj.h"
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10 | #include "vendor/greatest.h"
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11 |
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12 | using mylib::str_cmp;
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13 |
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14 | GLOBAL_STR(kStrFoo, "foo");
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15 | GLOBAL_STR(kSpace, " ");
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16 |
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17 | void Print(List<BigStr*>* parts) {
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18 | log("---");
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19 | log("len = %d", len(parts));
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20 | for (int i = 0; i < len(parts); ++i) {
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21 | BigStr* s = parts->at(i);
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22 | printf("%d [ %s ]\n", i, s->data_);
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23 | }
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24 | }
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25 |
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26 | // TODO:
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27 | //
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28 | // - Test what happens append() runs over the max heap size
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29 | // - how does it trigger a collection?
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30 |
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31 | TEST test_list_gc_header() {
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32 | auto list1 = NewList<int>();
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33 | StackRoots _roots1({&list1});
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34 | auto list2 = NewList<BigStr*>();
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35 | StackRoots _roots2({&list2});
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36 |
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37 | ASSERT_EQ(0, len(list1));
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38 | ASSERT_EQ(0, len(list2));
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39 |
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40 | ASSERT_EQ_FMT(0, list1->capacity_, "%d");
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41 | ASSERT_EQ_FMT(0, list2->capacity_, "%d");
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42 |
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43 | ASSERT_EQ_FMT(HeapTag::FixedSize, ObjHeader::FromObject(list1)->heap_tag,
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44 | "%d");
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45 | ASSERT_EQ_FMT(HeapTag::FixedSize, ObjHeader::FromObject(list2)->heap_tag,
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46 | "%d");
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47 |
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48 | #if 0
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49 | // 8 byte obj header + 2 integers + pointer
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50 | ASSERT_EQ_FMT(24, ObjHeader::FromObject(list1)->obj_len, "%d");
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51 | ASSERT_EQ_FMT(24, ObjHeader::FromObject(list2)->obj_len, "%d");
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52 | #endif
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53 |
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54 | // Make sure they're on the heap
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55 | #ifndef MARK_SWEEP
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56 | int diff1 = reinterpret_cast<char*>(list1) - gHeap.from_space_.begin_;
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57 | int diff2 = reinterpret_cast<char*>(list2) - gHeap.from_space_.begin_;
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58 | ASSERT(diff1 < 1024);
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59 | ASSERT(diff2 < 1024);
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60 | #endif
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61 |
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62 | auto more = NewList<int>(std::initializer_list<int>{11, 22, 33});
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63 | StackRoots _roots3({&more});
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64 | list1->extend(more);
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65 | ASSERT_EQ_FMT(3, len(list1), "%d");
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66 |
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67 | ASSERT_EQ_FMT(HeapTag::Opaque, ObjHeader::FromObject(list1->slab_)->heap_tag,
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68 | "%d");
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69 |
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70 | #if 0
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71 | // 8 byte header + 3*4 == 8 + 12 == 20, rounded up to power of 2
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72 | ASSERT_EQ_FMT(32, ObjHeader::FromObject(list1->slab_)->obj_len, "%d");
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73 | #endif
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74 |
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75 | ASSERT_EQ_FMT(11, list1->at(0), "%d");
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76 | ASSERT_EQ_FMT(22, list1->at(1), "%d");
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77 | ASSERT_EQ_FMT(33, list1->at(2), "%d");
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78 |
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79 | log("extending");
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80 | auto more2 = NewList<int>(std::initializer_list<int>{44, 55, 66, 77});
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81 | StackRoots _roots4({&more2});
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82 | list1->extend(more2);
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83 |
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84 | ASSERT_EQ_FMT(7, len(list1), "%d");
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85 |
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86 | #if 0
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87 | // 8 bytes header + 7*4 == 8 + 28 == 36, rounded up to power of 2
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88 | ASSERT_EQ_FMT(64, ObjHeader::FromObject(list1->slab_)->obj_len, "%d");
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89 | #endif
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90 |
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91 | ASSERT_EQ_FMT(11, list1->at(0), "%d");
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92 | ASSERT_EQ_FMT(22, list1->at(1), "%d");
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93 | ASSERT_EQ_FMT(33, list1->at(2), "%d");
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94 | ASSERT_EQ_FMT(44, list1->at(3), "%d");
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95 | ASSERT_EQ_FMT(55, list1->at(4), "%d");
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96 | ASSERT_EQ_FMT(66, list1->at(5), "%d");
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97 | ASSERT_EQ_FMT(77, list1->at(6), "%d");
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98 |
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99 | list1->append(88);
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100 | ASSERT_EQ_FMT(88, list1->at(7), "%d");
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101 | ASSERT_EQ_FMT(8, len(list1), "%d");
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102 |
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103 | #ifndef MARK_SWEEP
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104 | int d_slab = reinterpret_cast<char*>(list1->slab_) - gHeap.from_space_.begin_;
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105 | ASSERT(d_slab < 1024);
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106 | #endif
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107 |
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108 | log("list1_ = %p", list1);
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109 | log("list1->slab_ = %p", list1->slab_);
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110 |
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111 | auto str1 = StrFromC("foo");
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112 | StackRoots _roots5({&str1});
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113 | log("str1 = %p", str1);
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114 | auto str2 = StrFromC("bar");
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115 | StackRoots _roots6({&str2});
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116 | log("str2 = %p", str2);
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117 |
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118 | list2->append(str1);
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119 | list2->append(str2);
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120 | ASSERT_EQ(2, len(list2));
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121 | ASSERT(str_equals(str1, list2->at(0)));
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122 | ASSERT(str_equals(str2, list2->at(1)));
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123 |
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124 | PASS();
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125 | }
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126 |
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127 | // Manual initialization. This helped me write the GLOBAL_LIST() macro.
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128 | GcGlobal<GlobalSlab<int, 3>> _gSlab = {
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129 | .header = {0, kZeroMask, HeapTag::Global, kUndefinedId},
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130 | {.items_ = {5, 6, 7}}};
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131 | GcGlobal<GlobalList<int, 3>> _gList = {
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132 | .header = {0, kZeroMask, HeapTag::Global, kUndefinedId},
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133 | {.len_ = 3, .capacity_ = 3, .slab_ = &_gSlab.obj}};
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134 | List<int>* gList = reinterpret_cast<List<int>*>(&_gList.obj);
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135 |
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136 | GLOBAL_LIST(gList2, int, 4, {5 COMMA 4 COMMA 3 COMMA 2});
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137 |
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138 | GLOBAL_STR(gFoo, "foo");
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139 | GLOBAL_LIST(gList3, BigStr*, 2, {gFoo COMMA gFoo});
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140 |
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141 | TEST test_global_list() {
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142 | ASSERT_EQ(3, len(gList));
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143 | ASSERT_EQ_FMT(5, gList->at(0), "%d");
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144 | ASSERT_EQ_FMT(6, gList->at(1), "%d");
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145 | ASSERT_EQ_FMT(7, gList->at(2), "%d");
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146 |
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147 | ASSERT_EQ(4, len(gList2));
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148 | ASSERT_EQ_FMT(5, gList2->at(0), "%d");
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149 | ASSERT_EQ_FMT(4, gList2->at(1), "%d");
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150 | ASSERT_EQ_FMT(3, gList2->at(2), "%d");
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151 | ASSERT_EQ_FMT(2, gList2->at(3), "%d");
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152 |
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153 | ASSERT_EQ(2, len(gList3));
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154 | ASSERT(str_equals(gFoo, gList3->at(0)));
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155 | ASSERT(str_equals(gFoo, gList3->at(1)));
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156 |
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157 | PASS();
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158 | }
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159 |
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160 | TEST test_list_funcs() {
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161 | log(" ints");
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162 | auto ints = NewList<int>({4, 5, 6});
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163 | log("-- before pop(0)");
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164 | for (int i = 0; i < len(ints); ++i) {
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165 | log("ints[%d] = %d", i, ints->at(i));
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166 | }
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167 | ASSERT_EQ(3, len(ints)); // [4, 5, 6]
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168 | ints->pop(0); // [5, 6]
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169 |
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170 | ASSERT_EQ(2, len(ints));
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171 | ASSERT_EQ_FMT(5, ints->at(0), "%d");
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172 | ASSERT_EQ_FMT(6, ints->at(1), "%d");
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173 |
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174 | ints->reverse();
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175 | ASSERT_EQ(2, len(ints)); // [6, 5]
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176 |
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177 | ASSERT_EQ_FMT(6, ints->at(0), "%d");
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178 | ASSERT_EQ_FMT(5, ints->at(1), "%d");
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179 |
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180 | ints->append(9); // [6, 5, 9]
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181 | ASSERT_EQ(3, len(ints));
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182 |
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183 | ints->reverse(); // [9, 5, 6]
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184 | ASSERT_EQ(9, ints->at(0));
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185 | ASSERT_EQ(5, ints->at(1));
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186 | ASSERT_EQ(6, ints->at(2));
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187 |
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188 | ints->set(0, 42);
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189 | ints->set(1, 43);
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190 | log("-- after mutation");
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191 | for (int i = 0; i < len(ints); ++i) {
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192 | log("ints[%d] = %d", i, ints->at(i));
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193 | }
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194 |
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195 | auto L = list_repeat<BigStr*>(nullptr, 3);
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196 | log("list_repeat length = %d", len(L));
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197 |
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198 | auto L2 = list_repeat<bool>(true, 3);
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199 | log("list_repeat length = %d", len(L2));
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200 | log("item 0 %d", L2->at(0));
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201 | log("item 1 %d", L2->at(1));
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202 |
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203 | auto strs = NewList<BigStr*>();
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204 | strs->append(StrFromC("c"));
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205 | strs->append(StrFromC("a"));
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206 | strs->append(StrFromC("b"));
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207 | strs->append(kEmptyString);
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208 | ASSERT_EQ(4, len(strs)); // ['c', 'a', 'b', '']
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209 |
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210 | strs->sort();
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211 | ASSERT_EQ(4, len(strs)); // ['', 'a', 'b', 'c']
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212 | ASSERT(str_equals(kEmptyString, strs->at(0)));
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213 | ASSERT(str_equals(StrFromC("a"), strs->at(1)));
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214 | ASSERT(str_equals(StrFromC("b"), strs->at(2)));
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215 | ASSERT(str_equals(StrFromC("c"), strs->at(3)));
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216 |
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217 | auto a = StrFromC("a");
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218 | auto aa = StrFromC("aa");
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219 | auto b = StrFromC("b");
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220 |
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221 | ASSERT_EQ(0, int_cmp(0, 0));
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222 | ASSERT_EQ(-1, int_cmp(0, 5));
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223 | ASSERT_EQ(1, int_cmp(0, -5));
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224 |
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225 | ASSERT_EQ(0, str_cmp(kEmptyString, kEmptyString));
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226 | ASSERT_EQ(-1, str_cmp(kEmptyString, a));
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227 | ASSERT_EQ(-1, str_cmp(a, aa));
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228 | ASSERT_EQ(-1, str_cmp(a, b));
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229 |
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230 | ASSERT_EQ(1, str_cmp(b, a));
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231 | ASSERT_EQ(1, str_cmp(b, kEmptyString));
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232 |
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233 | PASS();
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234 | }
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235 |
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236 | void ListFunc(std::initializer_list<BigStr*> init) {
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237 | log("init.size() = %d", init.size());
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238 | }
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239 |
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240 | TEST test_list_iters() {
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241 | log(" forward iteration over list");
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242 | auto ints = NewList<int>({1, 2, 3});
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243 | for (ListIter<int> it(ints); !it.Done(); it.Next()) {
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244 | int x = it.Value();
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245 | log("x = %d", x);
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246 | }
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247 |
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248 | {
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249 | ListIter<int> it(ints);
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250 | auto ints2 = list(it);
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251 | ASSERT_EQ(ints->at(0), ints2->at(0));
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252 | ASSERT_EQ(ints->at(1), ints2->at(1));
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253 | ASSERT_EQ(ints->at(2), ints2->at(2));
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254 | }
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255 |
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256 | log(" backward iteration over list");
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257 | for (ReverseListIter<int> it(ints); !it.Done(); it.Next()) {
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258 | int x = it.Value();
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259 | log("x = %d", x);
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260 | }
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261 |
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262 | // hm std::initializer_list is "first class"
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263 | auto strs = {StrFromC("foo"), StrFromC("bar")};
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264 | ListFunc(strs);
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265 |
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266 | PASS();
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267 | }
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268 |
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269 | TEST test_list_copy() {
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270 | List<int>* a = NewList<int>(std::initializer_list<int>{1, 2, 3});
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271 | List<int>* b = list(a);
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272 |
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273 | ASSERT_EQ(b->len_, a->len_);
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274 | ASSERT_EQ(b->at(0), a->at(0));
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275 | ASSERT_EQ(b->at(1), a->at(1));
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276 | ASSERT_EQ(b->at(2), a->at(2));
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277 |
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278 | PASS();
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279 | }
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280 |
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281 | TEST list_methods_test() {
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282 | List<int>* ints = nullptr;
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283 | StackRoots _roots({&ints});
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284 |
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285 | ints = NewList<int>(std::initializer_list<int>{5, 6, 7, 8});
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286 |
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287 | List<int>* slice1 = ints->slice(1);
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288 | ASSERT_EQ(3, len(slice1));
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289 | ASSERT_EQ(6, slice1->at(0));
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290 |
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291 | List<int>* slice2 = ints->slice(-4, -2);
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292 | ASSERT_EQ(2, len(slice2));
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293 | ASSERT_EQ(5, slice2->at(0));
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294 |
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295 | List<int>* slice3 = ints->slice(1, 4);
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296 | ASSERT_EQ(3, len(slice3));
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297 | ASSERT_EQ(6, slice3->at(0));
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298 | ASSERT_EQ(7, slice3->at(1));
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299 | ASSERT_EQ(8, slice3->at(2));
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300 |
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301 | log("-- before pop(0)");
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302 | for (int i = 0; i < len(ints); ++i) {
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303 | log("ints[%d] = %d", i, ints->at(i));
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304 | }
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305 | ASSERT_EQ(4, len(ints)); // [5, 6, 7, 8]
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306 |
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307 | log("pop()");
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308 |
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309 | ints->pop(); // [5, 6, 7]
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310 | ASSERT_EQ(3, len(ints));
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311 | ASSERT_EQ_FMT(5, ints->at(0), "%d");
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312 | ASSERT_EQ_FMT(6, ints->at(1), "%d");
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313 | ASSERT_EQ_FMT(7, ints->at(2), "%d");
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314 |
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315 | log("pop(0)");
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316 |
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317 | ints->pop(0); // [6, 7]
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318 | ASSERT_EQ(2, len(ints));
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319 | ASSERT_EQ_FMT(6, ints->at(0), "%d");
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320 | ASSERT_EQ_FMT(7, ints->at(1), "%d");
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321 |
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322 | ints->reverse();
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323 | ASSERT_EQ(2, len(ints)); // [7, 6]
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324 |
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325 | ASSERT_EQ_FMT(7, ints->at(0), "%d");
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326 | ASSERT_EQ_FMT(6, ints->at(1), "%d");
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327 |
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328 | ints->append(9); // [7, 6, 9]
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329 | ASSERT_EQ(3, len(ints));
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330 |
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331 | ints->reverse(); // [9, 6, 7]
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332 | ASSERT_EQ(9, ints->at(0));
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333 | ASSERT_EQ(6, ints->at(1));
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334 | ASSERT_EQ(7, ints->at(2));
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335 |
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336 | auto other = NewList<int>(std::initializer_list<int>{-1, -2});
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337 | ints->extend(other); // [9, 6, 7, 1, 2]
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338 | ASSERT_EQ(5, len(ints));
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339 | ASSERT_EQ(-2, ints->at(4));
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340 | ASSERT_EQ(-1, ints->at(3));
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341 |
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342 | ints->clear();
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343 | ASSERT_EQ(0, len(ints));
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344 | ASSERT_EQ(0, ints->slab_->items_[0]); // make sure it's zero'd
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345 |
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346 | // Clear empty list
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347 | auto empty = NewList<int*>();
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348 | empty->clear();
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349 |
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350 | PASS();
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351 | }
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352 |
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353 | TEST sort_test() {
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354 | ASSERT_EQ(0, int_cmp(0, 0));
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355 | ASSERT_EQ(-1, int_cmp(0, 5));
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356 | ASSERT_EQ(1, int_cmp(0, -5));
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357 |
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358 | BigStr *a = nullptr, *aa = nullptr, *b = nullptr;
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359 | StackRoots _roots({&a, &aa, &b});
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360 |
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361 | a = StrFromC("a");
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362 | aa = StrFromC("aa");
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363 | b = StrFromC("b");
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364 |
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365 | ASSERT_EQ(0, str_cmp(kEmptyString, kEmptyString));
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366 | ASSERT_EQ(-1, str_cmp(kEmptyString, a));
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367 | ASSERT_EQ(-1, str_cmp(a, aa));
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368 | ASSERT_EQ(-1, str_cmp(a, b));
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369 |
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370 | ASSERT_EQ(1, str_cmp(b, a));
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371 | ASSERT_EQ(1, str_cmp(b, kEmptyString));
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372 |
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373 | List<BigStr*>* strs = nullptr;
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374 | StackRoots _roots2({&strs});
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375 | strs = Alloc<List<BigStr*>>();
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376 |
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377 | strs->append(a);
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378 | strs->append(aa);
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379 | strs->append(b);
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380 | strs->append(kEmptyString);
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381 | ASSERT_EQ(4, len(strs)); // ['a', 'aa', 'b', '']
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382 |
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383 | strs->sort(); // ['', 'a', 'aa', 'b']
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384 | ASSERT_EQ(4, len(strs));
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385 | ASSERT(str_equals(kEmptyString, strs->at(0)));
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386 | ASSERT(str_equals0("a", strs->at(1)));
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387 | ASSERT(str_equals0("aa", strs->at(2)));
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388 | ASSERT(str_equals0("b", strs->at(3)));
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389 |
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390 | PASS();
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391 | }
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392 |
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393 | TEST contains_test() {
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394 | BigStr* s = nullptr;
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395 | BigStr* nul = nullptr;
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396 | StackRoots _roots({&s, &nul});
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397 |
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398 | log(" List<BigStr*>");
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399 | List<BigStr*>* strs = nullptr;
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400 | List<int>* ints = nullptr;
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401 | List<double>* floats = nullptr;
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402 |
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403 | StackRoots _roots2({&strs, &ints, &floats});
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404 |
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405 | strs = Alloc<List<BigStr*>>();
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406 |
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407 | strs->append(kSpace);
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408 | s = StrFromC(" "); // LOCAL space
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409 | ASSERT(list_contains(strs, s));
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410 | ASSERT(!list_contains(strs, kStrFoo));
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411 |
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412 | strs->append(kStrFoo);
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413 | ASSERT(list_contains(strs, kStrFoo));
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414 |
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415 | log(" ints");
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416 | ints = NewList<int>(std::initializer_list<int>{1, 2, 3});
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417 | ASSERT(list_contains(ints, 1));
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418 |
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419 | ASSERT(!list_contains(ints, 42));
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420 |
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421 | #if 0
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422 | log(" floats");
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423 | floats = NewList<double>(std::initializer_list<double>{0.5, 0.25, 0.0});
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424 | ASSERT(list_contains(floats, 0.0));
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425 | ASSERT(!list_contains(floats, 42.0));
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426 | #endif
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427 |
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428 | PASS();
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429 | }
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430 |
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431 | TEST test_list_sort() {
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432 | auto s1 = StrFromC("fooA");
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433 | auto s2 = StrFromC("fooB");
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434 | auto s3 = StrFromC("fooC");
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435 | auto l = NewList<BigStr*>(std::initializer_list<BigStr*>{s3, s1, s2});
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436 |
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437 | auto s = sorted(l);
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438 | ASSERT(str_equals(s->at(0), s1));
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439 | ASSERT(str_equals(s->at(1), s2));
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440 | ASSERT(str_equals(s->at(2), s3));
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441 |
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442 | PASS();
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443 | }
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444 |
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445 | TEST test_list_remove() {
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446 | auto l = NewList<int>(std::initializer_list<int>{1, 3, 3, 3, 2});
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447 |
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448 | for (int i = 0; i < 3; ++i) {
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449 | l->remove(3);
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450 | }
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451 |
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452 | bool caught = false;
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453 | try {
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454 | l->index(3);
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455 | } catch (ValueError* e) {
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456 | caught = true;
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457 | }
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458 | ASSERT(caught);
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459 |
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460 | ASSERT_EQ(l->at(0), 1);
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461 | ASSERT_EQ(l->at(1), 2);
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462 |
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463 | PASS();
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464 | }
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465 |
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466 | GREATEST_MAIN_DEFS();
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467 |
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468 | int main(int argc, char** argv) {
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469 | gHeap.Init();
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470 |
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471 | GREATEST_MAIN_BEGIN();
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472 |
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473 | RUN_TEST(test_list_gc_header);
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474 | RUN_TEST(test_global_list);
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475 |
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476 | RUN_TEST(test_list_funcs);
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477 | RUN_TEST(test_list_iters);
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478 |
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479 | RUN_TEST(list_methods_test);
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480 | RUN_TEST(sort_test);
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481 | RUN_TEST(contains_test);
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482 |
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483 | RUN_TEST(test_list_copy);
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484 | RUN_TEST(test_list_sort);
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485 | RUN_TEST(test_list_remove);
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486 |
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487 | gHeap.CleanProcessExit();
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488 |
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489 | GREATEST_MAIN_END();
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490 | return 0;
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491 | }
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