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1 | #include <iostream> | ||
2 | #include <vector> | ||
3 | #include <functional> | ||
4 | #include <string> | ||
5 | #include <optional> | ||
6 | #include <set> | ||
7 | #include <map> | ||
8 | #include <list> | ||
9 | #include <deque> | ||
10 | #include <unordered_set> | ||
11 | #include <unordered_map> | ||
12 | |||
13 | #include "TestCommon.h" | ||
14 | |||
15 | using namespace CXXIter; | ||
16 | |||
17 | |||
18 | 8 | TEST(CXXIter, doubleEndedSources) { | |
19 | { // SrcCRef | ||
20 | { | ||
21 |
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2 | std::vector<float> input = {1.337f, 1.338f, 1.339f}; |
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2 | auto src = SrcCRef(input); |
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2 | ASSERT_EQ(src.nextBack().value(), 1.339f); |
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2 | ASSERT_EQ(src.nextBack().value(), 1.338f); |
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2 | ASSERT_EQ(src.nextBack().value(), 1.337f); |
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2 | ASSERT_FALSE(src.nextBack().has_value()); |
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2 | ASSERT_FALSE(src.next().has_value()); |
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2 | } |
29 | { | ||
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2 | std::vector<float> input = {1.337f, 1.338f, 1.339f}; |
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2 | auto src = SrcCRef(input); |
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2 | ASSERT_EQ(src.nextBack().value(), 1.339f); |
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2 | ASSERT_EQ(src.next().value(), 1.337f); |
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2 | ASSERT_EQ(src.nextBack().value(), 1.338f); |
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2 | ASSERT_FALSE(src.nextBack().has_value()); |
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2 | ASSERT_FALSE(src.next().has_value()); |
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2 | } |
38 | { | ||
39 | 2 | std::vector<float> input = {}; | |
40 |
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2 | ASSERT_FALSE(SrcCRef(input).nextBack().has_value()); |
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2 | } |
42 | } | ||
43 | { // SrcRef | ||
44 | { | ||
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2 | std::vector<float> input = {1.337f, 1.338f, 1.339f}; |
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2 | auto src = SrcRef(input); |
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2 | ASSERT_EQ(src.nextBack().value(), 1.339f); |
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2 | ASSERT_EQ(src.nextBack().value(), 1.338f); |
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2 | ASSERT_EQ(src.nextBack().value(), 1.337f); |
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2 | ASSERT_FALSE(src.nextBack().has_value()); |
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2 | ASSERT_FALSE(src.next().has_value()); |
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2 | } |
53 | { | ||
54 |
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2 | std::vector<float> input = {1.337f, 1.338f, 1.339f}; |
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2 | auto src = SrcRef(input); |
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2 | ASSERT_EQ(src.nextBack().value(), 1.339f); |
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2 | ASSERT_EQ(src.next().value(), 1.337f); |
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2 | ASSERT_EQ(src.nextBack().value(), 1.338f); |
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2 | ASSERT_FALSE(src.nextBack().has_value()); |
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2 | ASSERT_FALSE(src.next().has_value()); |
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2 | } |
62 | { | ||
63 | 2 | std::vector<float> input = {}; | |
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2 | ASSERT_FALSE(SrcRef(input).nextBack().has_value()); |
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2 | } |
66 | } | ||
67 | { // SrcMov | ||
68 | { | ||
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2 | std::vector<float> input = {1.337f, 1.338f, 1.339f}; |
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2 | auto src = SrcMov(std::move(input)); |
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2 | ASSERT_EQ(src.nextBack().value(), 1.339f); |
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2 | ASSERT_EQ(src.nextBack().value(), 1.338f); |
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2 | ASSERT_EQ(src.nextBack().value(), 1.337f); |
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2 | ASSERT_FALSE(src.nextBack().has_value()); |
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2 | ASSERT_FALSE(src.next().has_value()); |
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2 | } |
77 | { | ||
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2 | std::vector<float> input = {1.337f, 1.338f, 1.339f}; |
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2 | auto src = SrcMov(std::move(input)); |
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2 | ASSERT_EQ(src.nextBack().value(), 1.339f); |
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2 | ASSERT_EQ(src.next().value(), 1.337f); |
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2 | ASSERT_EQ(src.nextBack().value(), 1.338f); |
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2 | ASSERT_FALSE(src.nextBack().has_value()); |
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2 | ASSERT_FALSE(src.next().has_value()); |
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2 | } |
86 | { | ||
87 | 2 | std::vector<float> input = {}; | |
88 |
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2 | ASSERT_FALSE(SrcMov(std::move(input)).nextBack().has_value()); |
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2 | } |
90 | } | ||
91 | } | ||
92 | |||
93 | 8 | TEST(CXXIter, doubleEndedCast) { | |
94 | { | ||
95 |
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2 | std::vector<float> input = {1.337f, 2.338f, 3.339f}; |
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2 | auto src = CXXIter::from(std::move(input)).cast<size_t>(); |
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2 | ASSERT_EQ(src.nextBack().value(), 3); |
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2 | ASSERT_EQ(src.nextBack().value(), 2); |
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2 | ASSERT_EQ(src.nextBack().value(), 1); |
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2 | ASSERT_FALSE(src.nextBack().has_value()); |
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2 | ASSERT_FALSE(src.next().has_value()); |
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2 | } |
103 | { | ||
104 |
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2 | std::vector<float> input = {1.337f, 2.338f, 3.339f}; |
105 |
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2 | auto src = CXXIter::from(std::move(input)).cast<size_t>(); |
106 |
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2 | ASSERT_EQ(src.nextBack().value(), 3); |
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2 | ASSERT_EQ(src.next().value(), 1); |
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2 | ASSERT_EQ(src.nextBack().value(), 2); |
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2 | ASSERT_FALSE(src.nextBack().has_value()); |
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2 | ASSERT_FALSE(src.next().has_value()); |
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2 | } |
112 | } | ||
113 | |||
114 | 8 | TEST(CXXIter, doubleEndedChainer) { | |
115 | { | ||
116 |
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10 | std::vector<std::string> input1 = {"1337", "42"}; |
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10 | std::vector<std::string> input2 = {"31337", "64"}; |
118 |
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2 | auto src = CXXIter::from(std::move(input1)) |
119 |
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4 | .chain(CXXIter::from(std::move(input2))); |
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4 | ASSERT_EQ(src.nextBack().value(), "64"); |
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4 | ASSERT_EQ(src.nextBack().value(), "31337"); |
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4 | ASSERT_EQ(src.nextBack().value(), "42"); |
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4 | ASSERT_EQ(src.nextBack().value(), "1337"); |
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2 | ASSERT_FALSE(src.nextBack().has_value()); |
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2 | ASSERT_FALSE(src.next().has_value()); |
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2 | } |
127 | { | ||
128 |
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10 | std::vector<std::string> input1 = {"1337", "42"}; |
129 |
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10 | std::vector<std::string> input2 = {"31337", "64"}; |
130 |
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2 | auto src = CXXIter::from(std::move(input1)) |
131 |
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4 | .chain(CXXIter::from(std::move(input2))); |
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4 | ASSERT_EQ(src.nextBack().value(), "64"); |
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4 | ASSERT_EQ(src.next().value(), "1337"); |
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4 | ASSERT_EQ(src.next().value(), "42"); |
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4 | ASSERT_EQ(src.nextBack().value(), "31337"); |
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2 | ASSERT_FALSE(src.nextBack().has_value()); |
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2 | ASSERT_FALSE(src.next().has_value()); |
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2 | } |
139 | } | ||
140 | |||
141 | 8 | TEST(CXXIter, doubleEndedFilter) { | |
142 | { | ||
143 |
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2 | std::vector<float> input = {1.337f, 2.338f, 3.339f, 4.340f, 0.1f}; |
144 |
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7 | auto src = CXXIter::from(std::move(input)).filter([](float val) { return val > 2.0f; }); |
145 |
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2 | ASSERT_EQ(src.nextBack().value(), 4.340f); |
146 |
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2 | ASSERT_EQ(src.nextBack().value(), 3.339f); |
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2 | ASSERT_EQ(src.nextBack().value(), 2.338f); |
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2 | ASSERT_FALSE(src.nextBack().has_value()); |
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2 | ASSERT_FALSE(src.next().has_value()); |
150 |
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2 | } |
151 | { | ||
152 |
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2 | std::vector<float> input = {1.337f, 2.338f, 3.339f, 4.340f, 0.1f}; |
153 |
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7 | auto src = CXXIter::from(std::move(input)).filter([](float val) { return val > 2.0f; }); |
154 |
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2 | ASSERT_EQ(src.nextBack().value(), 4.340f); |
155 |
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2 | ASSERT_EQ(src.next().value(), 2.338f); |
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2 | ASSERT_EQ(src.nextBack().value(), 3.339f); |
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2 | ASSERT_FALSE(src.nextBack().has_value()); |
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2 | ASSERT_FALSE(src.next().has_value()); |
159 |
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2 | } |
160 | } | ||
161 | |||
162 | 8 | TEST(CXXIter, doubleEndedFilterMap) { | |
163 | { | ||
164 |
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2 | std::vector<float> input = {1.337f, 2.338f, 3.339f, 4.340f, 0.1f}; |
165 |
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7 | auto src = CXXIter::from(std::move(input)).filterMap([](float val) -> std::optional<size_t> { |
166 |
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5 | if(val <= 2.0f) { return {}; } |
167 | 3 | return static_cast<size_t>(val); | |
168 |
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2 | }); |
169 |
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2 | ASSERT_EQ(src.nextBack().value(), 4); |
170 |
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2 | ASSERT_EQ(src.nextBack().value(), 3); |
171 |
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2 | ASSERT_EQ(src.nextBack().value(), 2); |
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2 | ASSERT_FALSE(src.nextBack().has_value()); |
173 |
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2 | ASSERT_FALSE(src.next().has_value()); |
174 |
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2 | } |
175 | { | ||
176 |
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2 | std::vector<float> input = {1.337f, 2.338f, 3.339f, 4.340f, 0.1f}; |
177 |
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7 | auto src = CXXIter::from(std::move(input)).filterMap([](float val) -> std::optional<size_t> { |
178 |
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5 | if(val <= 2.0f) { return {}; } |
179 | 3 | return static_cast<size_t>(val); | |
180 |
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2 | }); |
181 |
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2 | ASSERT_EQ(src.nextBack().value(), 4); |
182 |
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2 | ASSERT_EQ(src.next().value(), 2); |
183 |
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2 | ASSERT_EQ(src.nextBack().value(), 3); |
184 |
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2 | ASSERT_FALSE(src.nextBack().has_value()); |
185 |
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2 | ASSERT_FALSE(src.next().has_value()); |
186 |
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2 | } |
187 | } | ||
188 | |||
189 | 8 | TEST(CXXIter, doubleEndedModify) { | |
190 | { | ||
191 | 2 | size_t iterState = 0; | |
192 |
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12 | std::vector<std::pair<int, std::string>> input = { {1337, "1337"}, {42, "42"}, {69, "69"}, {31337, "31337"} }; |
193 |
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2 | auto src = CXXIter::from(input) |
194 |
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6 | .modify([iterState](auto& keyValue) mutable { |
195 |
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4 | keyValue.second = std::to_string(iterState++) + "-" + keyValue.second; |
196 | 4 | }); | |
197 |
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10 | for(size_t i = 0; i < input.size(); ++i) { |
198 |
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8 | ASSERT_TRUE(src.nextBack().has_value()); |
199 | } | ||
200 |
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2 | ASSERT_FALSE(src.nextBack().has_value()); |
201 |
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2 | ASSERT_FALSE(src.next().has_value()); |
202 | |||
203 |
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2 | ASSERT_THAT(input, ElementsAre( Pair(1337, "3-1337"), Pair(42, "2-42"), Pair(69, "1-69"), Pair(31337, "0-31337") )); |
204 |
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2 | } |
205 | } | ||
206 | |||
207 | 8 | TEST(CXXIter, doubleEndedMap) { | |
208 | { | ||
209 | 2 | size_t iterState = 0; | |
210 |
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2 | std::vector<float> input = {1.337f, 2.338f, 3.339f, 4.340f, 0.1f}; |
211 |
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7 | auto src = CXXIter::from(input).map([iterState](float val) mutable -> size_t { |
212 | 5 | iterState += 100; | |
213 | 5 | return static_cast<size_t>(val) + iterState; | |
214 | }); | ||
215 |
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2 | ASSERT_EQ(src.nextBack().value(), 100); |
216 |
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2 | ASSERT_EQ(src.nextBack().value(), 204); |
217 |
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2 | ASSERT_EQ(src.nextBack().value(), 303); |
218 |
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2 | ASSERT_EQ(src.nextBack().value(), 402); |
219 |
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2 | ASSERT_EQ(src.nextBack().value(), 501); |
220 |
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2 | ASSERT_FALSE(src.nextBack().has_value()); |
221 |
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2 | ASSERT_FALSE(src.next().has_value()); |
222 |
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2 | } |
223 | { | ||
224 | 2 | size_t iterState = 0; | |
225 |
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2 | std::vector<float> input = {1.337f, 2.338f, 3.339f, 4.340f, 0.1f}; |
226 |
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7 | auto src = CXXIter::from(input).map([iterState](float val) mutable -> size_t { |
227 | 5 | iterState += 100; | |
228 | 5 | return static_cast<size_t>(val) + iterState; | |
229 | }); | ||
230 |
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2 | ASSERT_EQ(src.nextBack().value(), 100); |
231 |
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2 | ASSERT_EQ(src.nextBack().value(), 204); |
232 |
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2 | ASSERT_EQ(src.next().value(), 301); |
233 |
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2 | ASSERT_EQ(src.next().value(), 402); |
234 |
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2 | ASSERT_EQ(src.nextBack().value(), 503); |
235 |
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2 | ASSERT_FALSE(src.nextBack().has_value()); |
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2 | ASSERT_FALSE(src.next().has_value()); |
237 |
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2 | } |
238 | } | ||
239 | |||
240 | 4 | TEST(CXXIter, doubleEndedSort) { | |
241 | { // ASCENDING | ||
242 | 1 | std::vector<float> input = {1.0f, 2.0f, 0.5f, 3.0f, -42.0f}; | |
243 | 1 | auto src = CXXIter::from(input) | |
244 | 7 | .sort<false>([](const float& a, const float& b) { return (a < b); }); | |
245 | 1 | ASSERT_EQ(src.nextBack().value(), 3.0f); | |
246 | 1 | ASSERT_EQ(src.nextBack().value(), 2.0f); | |
247 | 1 | ASSERT_EQ(src.nextBack().value(), 1.0f); | |
248 | 1 | ASSERT_EQ(src.nextBack().value(), 0.5f); | |
249 | 1 | ASSERT_EQ(src.nextBack().value(), -42.0f); | |
250 | 1 | ASSERT_FALSE(src.nextBack().has_value()); | |
251 | 1 | ASSERT_FALSE(src.next().has_value()); | |
252 | 1 | } | |
253 | { // ASCENDING | ||
254 | 1 | std::vector<float> input = {1.0f, 2.0f, 0.5f, 3.0f, -42.0f}; | |
255 | 1 | auto src = CXXIter::from(input) | |
256 | 7 | .sort<false>([](const float& a, const float& b) { return (a < b); }); | |
257 | 1 | ASSERT_EQ(src.nextBack().value(), 3.0f); | |
258 | 1 | ASSERT_EQ(src.next().value(), -42.0f); | |
259 | 1 | ASSERT_EQ(src.next().value(), 0.5f); | |
260 | 1 | ASSERT_EQ(src.nextBack().value(), 2.0f); | |
261 | 1 | ASSERT_EQ(src.nextBack().value(), 1.0f); | |
262 | 1 | ASSERT_FALSE(src.nextBack().has_value()); | |
263 | 1 | ASSERT_FALSE(src.next().has_value()); | |
264 | 1 | } | |
265 | { // DESCENDING | ||
266 | 1 | std::vector<float> input = {1.0f, 2.0f, 0.5f, 3.0f, -42.0f}; | |
267 | 1 | auto src = CXXIter::from(input) | |
268 | 1 | .sort<CXXIter::DESCENDING, false>(); | |
269 | 1 | ASSERT_EQ(src.nextBack().value(), -42.0f); | |
270 | 1 | ASSERT_EQ(src.nextBack().value(), 0.5f); | |
271 | 1 | ASSERT_EQ(src.nextBack().value(), 1.0f); | |
272 | 1 | ASSERT_EQ(src.nextBack().value(), 2.0f); | |
273 | 1 | ASSERT_EQ(src.nextBack().value(), 3.0f); | |
274 | 1 | ASSERT_FALSE(src.nextBack().has_value()); | |
275 | 1 | ASSERT_FALSE(src.next().has_value()); | |
276 | 1 | } | |
277 | { // DESCENDING | ||
278 | 1 | std::vector<float> input = {1.0f, 2.0f, 0.5f, 3.0f, -42.0f}; | |
279 | 1 | auto src = CXXIter::from(input) | |
280 | 1 | .sort<CXXIter::DESCENDING, false>(); | |
281 | 1 | ASSERT_EQ(src.nextBack().value(), -42.0f); | |
282 | 1 | ASSERT_EQ(src.next().value(), 3.0f); | |
283 | 1 | ASSERT_EQ(src.next().value(), 2.0f); | |
284 | 1 | ASSERT_EQ(src.nextBack().value(), 0.5f); | |
285 | 1 | ASSERT_EQ(src.nextBack().value(), 1.0f); | |
286 | 1 | ASSERT_FALSE(src.nextBack().has_value()); | |
287 | 1 | ASSERT_FALSE(src.next().has_value()); | |
288 | 1 | } | |
289 | } | ||
290 |