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author | Hans Goudey <h.goudey@me.com> | 2021-10-19 06:15:52 +0300 |
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committer | Hans Goudey <h.goudey@me.com> | 2021-10-19 06:15:52 +0300 |
commit | a76bb1a27782317449c04c0ab4916d66c46b6803 (patch) | |
tree | 63cea49df980078f7d05efaef2a5473738b6a1ee /source/blender/blenlib/tests | |
parent | da949c357405ad01b00e83177335f55d113a8619 (diff) |
BLI: Support removing keys from a set during iteration
This adds the ability to mark slots as removed while iterating through
a mutable set.
Differential Revision: https://developer.blender.org/D12867
Diffstat (limited to 'source/blender/blenlib/tests')
-rw-r--r-- | source/blender/blenlib/tests/BLI_set_test.cc | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/source/blender/blenlib/tests/BLI_set_test.cc b/source/blender/blenlib/tests/BLI_set_test.cc index 3a4733a218f..28eb4df2ca6 100644 --- a/source/blender/blenlib/tests/BLI_set_test.cc +++ b/source/blender/blenlib/tests/BLI_set_test.cc @@ -544,6 +544,32 @@ TEST(set, GenericAlgorithms) EXPECT_EQ(std::count(set.begin(), set.end(), 20), 1); } +TEST(set, RemoveDuringIteration) +{ + Set<int> set; + set.add(6); + set.add(5); + set.add(2); + set.add(3); + + EXPECT_EQ(set.size(), 4); + + using Iter = Set<int>::Iterator; + Iter begin = set.begin(); + Iter end = set.end(); + for (Iter iter = begin; iter != end; ++iter) { + int item = *iter; + if (item == 2) { + set.remove(iter); + } + } + + EXPECT_EQ(set.size(), 3); + EXPECT_TRUE(set.contains(5)); + EXPECT_TRUE(set.contains(6)); + EXPECT_TRUE(set.contains(3)); +} + /** * Set this to 1 to activate the benchmark. It is disabled by default, because it prints a lot. */ |