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author | Jason Zaugg <jzaugg@gmail.com> | 2014-11-04 14:12:11 +1000 |
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committer | Jason Zaugg <jzaugg@gmail.com> | 2014-11-04 14:12:11 +1000 |
commit | d61d007d4852032fcfd339ab2c904a4de6836c4d (patch) | |
tree | cf696021da8e421cdb5dd8014228d237a213891d /test | |
parent | c4fd2ec9a8195de69f878615565c9dcda3687041 (diff) | |
parent | d33ba3bb9c5f09374dd585cc6f0ff6294b98fc6a (diff) | |
download | scala-d61d007d4852032fcfd339ab2c904a4de6836c4d.tar.gz scala-d61d007d4852032fcfd339ab2c904a4de6836c4d.tar.bz2 scala-d61d007d4852032fcfd339ab2c904a4de6836c4d.zip |
Merge pull request #4052 from Lymia/issue/8910
SI-8910 BitSet sometimes uses exponential memory.
Diffstat (limited to 'test')
-rw-r--r-- | test/junit/scala/collection/mutable/BitSetTest.scala | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/junit/scala/collection/mutable/BitSetTest.scala b/test/junit/scala/collection/mutable/BitSetTest.scala new file mode 100644 index 0000000000..8d164b50d4 --- /dev/null +++ b/test/junit/scala/collection/mutable/BitSetTest.scala @@ -0,0 +1,22 @@ +package scala.collection.mutable + +import org.junit.runner.RunWith +import org.junit.runners.JUnit4 +import org.junit.{Test, Ignore} + +@RunWith(classOf[JUnit4]) +class BitSetTest { + // Test for SI-8910 + @Test def capacityExpansionTest() { + val bitSet = BitSet.empty + val size = bitSet.toBitMask.length + bitSet ^= bitSet + assert(bitSet.toBitMask.length == size, "Capacity of bitset changed after ^=") + bitSet |= bitSet + assert(bitSet.toBitMask.length == size, "Capacity of bitset changed after |=") + bitSet &= bitSet + assert(bitSet.toBitMask.length == size, "Capacity of bitset changed after &=") + bitSet &~= bitSet + assert(bitSet.toBitMask.length == size, "Capacity of bitset changed after &~=") + } +} |