diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/gtests/blenlib/BLI_disjoint_set_test.cc | 34 | ||||
| -rw-r--r-- | tests/gtests/blenlib/CMakeLists.txt | 1 |
2 files changed, 35 insertions, 0 deletions
diff --git a/tests/gtests/blenlib/BLI_disjoint_set_test.cc b/tests/gtests/blenlib/BLI_disjoint_set_test.cc new file mode 100644 index 00000000000..a46f8612e93 --- /dev/null +++ b/tests/gtests/blenlib/BLI_disjoint_set_test.cc @@ -0,0 +1,34 @@ +#include "BLI_disjoint_set.hh" +#include "BLI_strict_flags.h" + +#include "testing/testing.h" + +namespace blender { + +TEST(disjoint_set, Test) +{ + DisjointSet disjoint_set(6); + EXPECT_FALSE(disjoint_set.in_same_set(1, 2)); + EXPECT_FALSE(disjoint_set.in_same_set(5, 3)); + EXPECT_TRUE(disjoint_set.in_same_set(2, 2)); + EXPECT_EQ(disjoint_set.find_root(3), 3u); + + disjoint_set.join(1, 2); + + EXPECT_TRUE(disjoint_set.in_same_set(1, 2)); + EXPECT_FALSE(disjoint_set.in_same_set(0, 1)); + + disjoint_set.join(3, 4); + + EXPECT_FALSE(disjoint_set.in_same_set(2, 3)); + EXPECT_TRUE(disjoint_set.in_same_set(3, 4)); + + disjoint_set.join(1, 4); + + EXPECT_TRUE(disjoint_set.in_same_set(1, 4)); + EXPECT_TRUE(disjoint_set.in_same_set(1, 3)); + EXPECT_TRUE(disjoint_set.in_same_set(2, 4)); + EXPECT_FALSE(disjoint_set.in_same_set(0, 4)); +} + +} // namespace blender diff --git a/tests/gtests/blenlib/CMakeLists.txt b/tests/gtests/blenlib/CMakeLists.txt index 0831024556b..496fe44234e 100644 --- a/tests/gtests/blenlib/CMakeLists.txt +++ b/tests/gtests/blenlib/CMakeLists.txt @@ -43,6 +43,7 @@ BLENDER_TEST(BLI_array "bf_blenlib") BLENDER_TEST(BLI_array_store "bf_blenlib") BLENDER_TEST(BLI_array_utils "bf_blenlib") BLENDER_TEST(BLI_delaunay_2d "bf_blenlib") +BLENDER_TEST(BLI_disjoint_set "bf_blenlib") BLENDER_TEST(BLI_edgehash "bf_blenlib") BLENDER_TEST(BLI_expr_pylike_eval "bf_blenlib") BLENDER_TEST(BLI_ghash "bf_blenlib") |