[tests] Reorganize tests to match src structure

1 files changed, 75 insertions, 0 deletions

diff --git a/test/util/merge_lines.cpp b/test/util/merge_lines.cpp
new file mode 100644
index 0000000000..90625e9e0a
--- /dev/null
+++ b/test/util/merge_lines.cpp
@@ -0,0 +1,75 @@
+#include "../fixtures/util.hpp"
+
+#include <mbgl/util/merge_lines.hpp>
+
+const std::u32string aaa = U"a";
+const std::u32string bbb = U"b";
+
+TEST(MergeLines, SameText) {
+    // merges lines with the same text
+    std::vector<mbgl::SymbolFeature> input1 = {
+        { {{{0, 0}, {1, 0}, {2, 0}}}, aaa, "" },
+        { {{{4, 0}, {5, 0}, {6, 0}}}, bbb, "" },
+        { {{{8, 0}, {9, 0}}}, aaa, "" },
+        { {{{2, 0}, {3, 0}, {4, 0}}}, aaa, "" },
+        { {{{6, 0}, {7, 0}, {8, 0}}}, aaa, "" },
+        { {{{5, 0}, {6, 0}}}, aaa, "" }
+    };
+
+    const std::vector<mbgl::SymbolFeature> expected1 = {
+        { {{{0, 0}, {1, 0}, {2, 0}, {3, 0}, {4, 0}}}, aaa, "" },
+        { {{{4, 0}, {5, 0}, {6, 0}}}, bbb, "" },
+        { {{{5, 0}, {6, 0}, {7, 0}, {8, 0}, {9, 0}}}, aaa, "" },
+        { {{}}, aaa, "" },
+        { {{}}, aaa, "" },
+        { {{}}, aaa, "" }
+    };
+
+    mbgl::util::mergeLines(input1);
+
+    for (int i = 0; i < 6; i++) {
+        EXPECT_EQ(input1[i].geometry, expected1[i].geometry);
+    }
+}
+
+TEST(MergeLines, BothEnds) {
+    // mergeLines handles merge from both ends
+    std::vector<mbgl::SymbolFeature> input2 = {
+        { {{{0, 0}, {1, 0}, {2, 0}}}, aaa, "" },
+        { {{{4, 0}, {5, 0}, {6, 0}}}, aaa, "" },
+        { {{{2, 0}, {3, 0}, {4, 0}}}, aaa, "" }
+    };
+
+    const std::vector<mbgl::SymbolFeature> expected2 = {
+        { {{{0, 0}, {1, 0}, {2, 0}, {3, 0}, {4, 0}, {5, 0}, {6, 0}}}, aaa, "" },
+        { {{}}, aaa, "" },
+        { {{}}, aaa, "" }
+    };
+
+    mbgl::util::mergeLines(input2);
+
+    for (int i = 0; i < 3; i++) {
+        EXPECT_EQ(input2[i].geometry, expected2[i].geometry);
+    }
+}
+
+TEST(MergeLines, CircularLines) {
+    // mergeLines handles circular lines
+    std::vector<mbgl::SymbolFeature> input3 = {
+        { {{{0, 0}, {1, 0}, {2, 0}}}, aaa, "" },
+        { {{{2, 0}, {3, 0}, {4, 0}}}, aaa, "" },
+        { {{{4, 0}, {0, 0}}}, aaa, "" }
+    };
+
+    const std::vector<mbgl::SymbolFeature> expected3 = {
+        { {{{0, 0}, {1, 0}, {2, 0}, {3, 0}, {4, 0}, {0, 0}}}, aaa, "" },
+        { {{}}, aaa, "" },
+        { {{}}, aaa, "" }
+    };
+
+    mbgl::util::mergeLines(input3);
+
+    for (int i = 0; i < 3; i++) {
+        EXPECT_EQ(input3[i].geometry, expected3[i].geometry);
+    }
+}