126 lines
5.6 KiB
C++
126 lines
5.6 KiB
C++
#include <mbgl/test/util.hpp>
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#include <mbgl/test/stub_geometry_tile_feature.hpp>
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#include <mbgl/layout/merge_lines.hpp>
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#include <mbgl/layout/symbol_feature.hpp>
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#include <utility>
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const std::u16string aaa = u"a";
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const std::u16string bbb = u"b";
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using namespace mbgl;
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namespace {
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PropertyMap properties;
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LineString<int16_t> emptyLine;
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} // namespace
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class SymbolFeatureStub : public SymbolFeature {
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public:
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SymbolFeatureStub(FeatureIdentifier id_,
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FeatureType type_,
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GeometryCollection geometry_,
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PropertyMap properties_,
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std::optional<std::u16string> text_,
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std::optional<style::expression::Image> icon_,
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std::size_t index_)
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: SymbolFeature(std::make_unique<StubGeometryTileFeature>(
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std::move(id_), type_, std::move(geometry_), std::move(properties_))) {
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if (text_) {
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formattedText = TaggedString(*text_, SectionOptions(1.0, {}));
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}
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icon = std::move(icon_);
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index = index_;
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}
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};
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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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input1.push_back(SymbolFeatureStub({}, FeatureType::LineString, {{{0, 0}, {1, 0}, {2, 0}}}, properties, aaa, {}, 0));
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input1.push_back(SymbolFeatureStub({}, FeatureType::LineString, {{{4, 0}, {5, 0}, {6, 0}}}, properties, bbb, {}, 0));
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input1.push_back(SymbolFeatureStub({}, FeatureType::LineString, {{{8, 0}, {9, 0}}}, properties, aaa, {}, 0));
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input1.push_back(SymbolFeatureStub({}, FeatureType::LineString, {{{2, 0}, {3, 0}, {4, 0}}}, properties, aaa, {}, 0));
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input1.push_back(SymbolFeatureStub({}, FeatureType::LineString, {{{6, 0}, {7, 0}, {8, 0}}}, properties, aaa, {}, 0));
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input1.push_back(SymbolFeatureStub({}, FeatureType::LineString, {{{5, 0}, {6, 0}}}, properties, aaa, {}, 0));
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std::vector<StubGeometryTileFeature> expected1;
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expected1.emplace_back(StubGeometryTileFeature({}, FeatureType::LineString, {{{0, 0}, {1, 0}, {2, 0}, {3, 0}, {4, 0}}}, properties));
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expected1.emplace_back(StubGeometryTileFeature({}, FeatureType::LineString, {{{4, 0}, {5, 0}, {6, 0}}}, properties));
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expected1.emplace_back(StubGeometryTileFeature({}, FeatureType::LineString, {{{5, 0}, {6, 0}, {7, 0}, {8, 0}, {9, 0}}}, properties));
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expected1.emplace_back(StubGeometryTileFeature({}, FeatureType::LineString, { emptyLine }, properties));
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expected1.emplace_back(StubGeometryTileFeature({}, FeatureType::LineString, { emptyLine }, properties));
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expected1.emplace_back(StubGeometryTileFeature({}, FeatureType::LineString, { emptyLine }, properties));
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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].getGeometries());
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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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input2.push_back(SymbolFeatureStub { {}, FeatureType::LineString, {{{0, 0}, {1, 0}, {2, 0}}}, properties, aaa, {}, 0 });
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input2.push_back(SymbolFeatureStub { {}, FeatureType::LineString, {{{4, 0}, {5, 0}, {6, 0}}}, properties, aaa, {}, 0 });
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input2.push_back(SymbolFeatureStub { {}, FeatureType::LineString, {{{2, 0}, {3, 0}, {4, 0}}}, properties, aaa, {}, 0 });
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std::vector<StubGeometryTileFeature> expected2;
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expected2.emplace_back(StubGeometryTileFeature({}, FeatureType::LineString, {{{0, 0}, {1, 0}, {2, 0}, {3, 0}, {4, 0}, {5, 0}, {6, 0}}}, properties));
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expected2.emplace_back(StubGeometryTileFeature({}, FeatureType::LineString, { emptyLine }, properties));
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expected2.emplace_back(StubGeometryTileFeature({}, FeatureType::LineString, { emptyLine }, properties));
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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].getGeometries());
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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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input3.push_back(SymbolFeatureStub { {}, FeatureType::LineString, {{{0, 0}, {1, 0}, {2, 0}}}, properties, aaa, {}, 0 });
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input3.push_back(SymbolFeatureStub { {}, FeatureType::LineString, {{{2, 0}, {3, 0}, {4, 0}}}, properties, aaa, {}, 0 });
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input3.push_back(SymbolFeatureStub { {}, FeatureType::LineString, {{{4, 0}, {0, 0}}}, properties, aaa, {}, 0 });
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std::vector<StubGeometryTileFeature> expected3;
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expected3.emplace_back(StubGeometryTileFeature({}, FeatureType::LineString, {{{0, 0}, {1, 0}, {2, 0}, {3, 0}, {4, 0}, {0, 0}}}, properties));
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expected3.emplace_back(StubGeometryTileFeature({}, FeatureType::LineString, { emptyLine }, properties));
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expected3.emplace_back(StubGeometryTileFeature({}, FeatureType::LineString, { emptyLine }, properties));
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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].getGeometries());
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}
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}
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TEST(MergeLines, EmptyOuterGeometry) {
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std::vector<mbgl::SymbolFeature> input;
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input.push_back(SymbolFeatureStub { {}, FeatureType::LineString, {}, properties, aaa, {}, 0 });
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const StubGeometryTileFeature expected{ {}, FeatureType::LineString, {}, properties };
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mbgl::util::mergeLines(input);
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EXPECT_EQ(input[0].geometry, expected.getGeometries());
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}
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TEST(MergeLines, EmptyInnerGeometry) {
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std::vector<mbgl::SymbolFeature> input;
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input.push_back(SymbolFeatureStub { {}, FeatureType::LineString, {}, properties, aaa, {}, 0 });
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const StubGeometryTileFeature expected{ {}, FeatureType::LineString, {}, properties };
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mbgl::util::mergeLines(input);
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EXPECT_EQ(input[0].geometry, expected.getGeometries());
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}
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