diff options
| -rw-r--r-- | src/library/scala/collection/SeqLike.scala | 2 | ||||
| -rw-r--r-- | test/junit/scala/collection/SeqLikeTest.scala | 19 |
2 files changed, 20 insertions, 1 deletions
diff --git a/src/library/scala/collection/SeqLike.scala b/src/library/scala/collection/SeqLike.scala index a26765027c..2d662257e5 100644 --- a/src/library/scala/collection/SeqLike.scala +++ b/src/library/scala/collection/SeqLike.scala @@ -113,7 +113,7 @@ trait SeqLike[+A, +Repr] extends Any with IterableLike[A, Repr] with GenSeqLike[ } def indexWhere(p: A => Boolean, from: Int): Int = { - var i = from + var i = from max 0 val it = iterator.drop(from) while (it.hasNext) { if (p(it.next())) return i diff --git a/test/junit/scala/collection/SeqLikeTest.scala b/test/junit/scala/collection/SeqLikeTest.scala new file mode 100644 index 0000000000..2ab682299d --- /dev/null +++ b/test/junit/scala/collection/SeqLikeTest.scala @@ -0,0 +1,19 @@ +package scala.collection + +import org.junit.runner.RunWith +import org.junit.runners.JUnit4 +import org.junit.Assert._ +import org.junit.Test + +@RunWith(classOf[JUnit4]) +class SeqLikeTest { + + @Test def `SI-9936 indexWhere`(): Unit = { + assertEquals(2, "abcde".indexOf('c', -1)) + assertEquals(2, "abcde".indexOf('c', -2)) + assertEquals(2, "abcde".toVector.indexOf('c', -1)) + assertEquals(2, "abcde".toVector.indexOf('c', -2)) + assertEquals(2, "abcde".toVector.indexWhere(_ == 'c', -1)) + assertEquals(2, "abcde".toVector.indexWhere(_ == 'c', -2)) + } +} |