1 files changed, 113 insertions, 0 deletions
diff --git a/tests/gtests/blenlib/BLI_vector_set_test.cc b/tests/gtests/blenlib/BLI_vector_set_test.cc
new file mode 100644
index 00000000000..675e5a154d5
--- /dev/null
+++ b/tests/gtests/blenlib/BLI_vector_set_test.cc
@@ -0,0 +1,113 @@
+#include "testing/testing.h"
+#include "BLI_vector_set.h"
+
+using BLI::VectorSet;
+using IntVectorSet = VectorSet<int>;
+
+TEST(vector_set, DefaultConstructor)
+{
+  IntVectorSet set;
+  EXPECT_EQ(set.size(), 0);
+}
+
+TEST(vector_set, InitializerListConstructor_WithoutDuplicates)
+{
+  IntVectorSet set = {1, 4, 5};
+  EXPECT_EQ(set.size(), 3);
+  EXPECT_EQ(set[0], 1);
+  EXPECT_EQ(set[1], 4);
+  EXPECT_EQ(set[2], 5);
+}
+
+TEST(vector_set, InitializerListConstructor_WithDuplicates)
+{
+  IntVectorSet set = {1, 3, 3, 2, 1, 5};
+  EXPECT_EQ(set.size(), 4);
+  EXPECT_EQ(set[0], 1);
+  EXPECT_EQ(set[1], 3);
+  EXPECT_EQ(set[2], 2);
+  EXPECT_EQ(set[3], 5);
+}
+
+TEST(vector_set, Copy)
+{
+  IntVectorSet set1 = {1, 2, 3};
+  IntVectorSet set2 = set1;
+  EXPECT_EQ(set1.size(), 3);
+  EXPECT_EQ(set2.size(), 3);
+  EXPECT_EQ(set1.index(2), 1);
+  EXPECT_EQ(set2.index(2), 1);
+}
+
+TEST(vector_set, Move)
+{
+  IntVectorSet set1 = {1, 2, 3};
+  IntVectorSet set2 = std::move(set1);
+  EXPECT_EQ(set1.size(), 0);
+  EXPECT_EQ(set2.size(), 3);
+}
+
+TEST(vector_set, AddNewIncreasesSize)
+{
+  IntVectorSet set;
+  EXPECT_EQ(set.size(), 0);
+  set.add(5);
+  EXPECT_EQ(set.size(), 1);
+}
+
+TEST(vector_set, AddExistingDoesNotIncreaseSize)
+{
+  IntVectorSet set;
+  EXPECT_EQ(set.size(), 0);
+  set.add(5);
+  EXPECT_EQ(set.size(), 1);
+  set.add(5);
+  EXPECT_EQ(set.size(), 1);
+}
+
+TEST(vector_set, Index)
+{
+  IntVectorSet set = {3, 6, 4};
+  EXPECT_EQ(set.index(6), 1);
+  EXPECT_EQ(set.index(3), 0);
+  EXPECT_EQ(set.index(4), 2);
+}
+
+TEST(vector_set, IndexTry)
+{
+  IntVectorSet set = {3, 6, 4};
+  EXPECT_EQ(set.index_try(5), -1);
+  EXPECT_EQ(set.index_try(3), 0);
+  EXPECT_EQ(set.index_try(6), 1);
+  EXPECT_EQ(set.index_try(2), -1);
+}
+
+TEST(vector_set, Remove)
+{
+  IntVectorSet set = {4, 5, 6, 7};
+  EXPECT_EQ(set.size(), 4);
+  set.remove(5);
+  EXPECT_EQ(set.size(), 3);
+  EXPECT_EQ(set[0], 4);
+  EXPECT_EQ(set[1], 7);
+  EXPECT_EQ(set[2], 6);
+  set.remove(6);
+  EXPECT_EQ(set.size(), 2);
+  EXPECT_EQ(set[0], 4);
+  EXPECT_EQ(set[1], 7);
+  set.remove(4);
+  EXPECT_EQ(set.size(), 1);
+  EXPECT_EQ(set[0], 7);
+  set.remove(7);
+  EXPECT_EQ(set.size(), 0);
+}
+
+TEST(vector_set, UniquePtrValue)
+{
+  VectorSet<std::unique_ptr<int>> set;
+  set.add_new(std::unique_ptr<int>(new int()));
+  set.add(std::unique_ptr<int>(new int()));
+  set.index_try(std::unique_ptr<int>(new int()));
+  std::unique_ptr<int> value = set.pop();
+  UNUSED_VARS(value);
+}