76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
#include <mbgl/test/util.hpp>
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#include <mbgl/util/merge_lines.hpp>
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const std::u32string aaa = U"a";
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const std::u32string bbb = U"b";
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TEST(MergeLines, SameText) {
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// merges lines with the same text
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std::vector<mbgl::SymbolFeature> input1 = {
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{ {{{0, 0}, {1, 0}, {2, 0}}}, aaa, "", 0 },
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{ {{{4, 0}, {5, 0}, {6, 0}}}, bbb, "", 0 },
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{ {{{8, 0}, {9, 0}}}, aaa, "", 0 },
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{ {{{2, 0}, {3, 0}, {4, 0}}}, aaa, "", 0 },
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{ {{{6, 0}, {7, 0}, {8, 0}}}, aaa, "", 0 },
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{ {{{5, 0}, {6, 0}}}, aaa, "", 0 }
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};
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const std::vector<mbgl::SymbolFeature> expected1 = {
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{ {{{0, 0}, {1, 0}, {2, 0}, {3, 0}, {4, 0}}}, aaa, "", 0 },
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{ {{{4, 0}, {5, 0}, {6, 0}}}, bbb, "", 0 },
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{ {{{5, 0}, {6, 0}, {7, 0}, {8, 0}, {9, 0}}}, aaa, "", 0 },
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{ {{}}, aaa, "", 0 },
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{ {{}}, aaa, "", 0 },
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{ {{}}, aaa, "", 0 }
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};
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mbgl::util::mergeLines(input1);
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for (int i = 0; i < 6; i++) {
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EXPECT_TRUE(input1[i].geometry == expected1[i].geometry);
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}
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}
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TEST(MergeLines, BothEnds) {
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// mergeLines handles merge from both ends
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std::vector<mbgl::SymbolFeature> input2 = {
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{ {{{0, 0}, {1, 0}, {2, 0}}}, aaa, "", 0 },
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{ {{{4, 0}, {5, 0}, {6, 0}}}, aaa, "", 0 },
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{ {{{2, 0}, {3, 0}, {4, 0}}}, aaa, "", 0 }
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};
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const std::vector<mbgl::SymbolFeature> expected2 = {
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{ {{{0, 0}, {1, 0}, {2, 0}, {3, 0}, {4, 0}, {5, 0}, {6, 0}}}, aaa, "", 0 },
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{ {{}}, aaa, "", 0 },
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{ {{}}, aaa, "", 0 }
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};
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mbgl::util::mergeLines(input2);
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for (int i = 0; i < 3; i++) {
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EXPECT_TRUE(input2[i].geometry == expected2[i].geometry);
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}
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}
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TEST(MergeLines, CircularLines) {
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// mergeLines handles circular lines
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std::vector<mbgl::SymbolFeature> input3 = {
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{ {{{0, 0}, {1, 0}, {2, 0}}}, aaa, "", 0 },
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{ {{{2, 0}, {3, 0}, {4, 0}}}, aaa, "", 0 },
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{ {{{4, 0}, {0, 0}}}, aaa, "", 0 }
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};
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const std::vector<mbgl::SymbolFeature> expected3 = {
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{ {{{0, 0}, {1, 0}, {2, 0}, {3, 0}, {4, 0}, {0, 0}}}, aaa, "", 0 },
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{ {{}}, aaa, "", 0 },
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{ {{}}, aaa, "", 0 }
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};
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mbgl::util::mergeLines(input3);
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for (int i = 0; i < 3; i++) {
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EXPECT_TRUE(input3[i].geometry == expected3[i].geometry);
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}
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}
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