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-rw-r--r--test/junit/scala/collection/immutable/ListMapTest.scala48
-rw-r--r--test/junit/scala/collection/immutable/ListSetTest.scala53
-rw-r--r--test/junit/scala/collection/immutable/PagedSeqTest.scala3
-rw-r--r--test/junit/scala/collection/immutable/RangeTest.scala42
-rw-r--r--test/junit/scala/collection/immutable/SetTest.scala (renamed from test/junit/scala/collection/immutable/SetTests.scala)2
-rw-r--r--test/junit/scala/collection/immutable/StreamTest.scala126
-rw-r--r--test/junit/scala/collection/immutable/StringLikeTest.scala37
7 files changed, 309 insertions, 2 deletions
diff --git a/test/junit/scala/collection/immutable/ListMapTest.scala b/test/junit/scala/collection/immutable/ListMapTest.scala
new file mode 100644
index 0000000000..320a976755
--- /dev/null
+++ b/test/junit/scala/collection/immutable/ListMapTest.scala
@@ -0,0 +1,48 @@
+package scala.collection.immutable
+
+import org.junit.Assert._
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.junit.runners.JUnit4
+
+@RunWith(classOf[JUnit4])
+class ListMapTest {
+
+ @Test
+ def t7445(): Unit = {
+ val m = ListMap(1 -> 1, 2 -> 2, 3 -> 3, 4 -> 4, 5 -> 5)
+ assertEquals(ListMap(2 -> 2, 3 -> 3, 4 -> 4, 5 -> 5), m.tail)
+ }
+
+ @Test
+ def hasCorrectBuilder(): Unit = {
+ val m = ListMap("a" -> "1", "b" -> "2", "c" -> "3", "b" -> "2.2", "d" -> "4")
+ assertEquals(List("a" -> "1", "c" -> "3", "b" -> "2.2", "d" -> "4"), m.toList)
+ }
+
+ @Test
+ def hasCorrectHeadTailLastInit(): Unit = {
+ val m = ListMap(1 -> 1, 2 -> 2, 3 -> 3)
+ assertEquals(1 -> 1, m.head)
+ assertEquals(ListMap(2 -> 2, 3 -> 3), m.tail)
+ assertEquals(3 -> 3, m.last)
+ assertEquals(ListMap(1 -> 1, 2 -> 2), m.init)
+ }
+
+ @Test
+ def hasCorrectAddRemove(): Unit = {
+ val m = ListMap(1 -> 1, 2 -> 2, 3 -> 3)
+ assertEquals(ListMap(1 -> 1, 2 -> 2, 3 -> 3, 4 -> 4), m + (4 -> 4))
+ assertEquals(ListMap(1 -> 1, 3 -> 3, 2 -> 4), m + (2 -> 4))
+ assertEquals(ListMap(1 -> 1, 2 -> 2, 3 -> 3), m + (2 -> 2))
+ assertEquals(ListMap(2 -> 2, 3 -> 3), m - 1)
+ assertEquals(ListMap(1 -> 1, 3 -> 3), m - 2)
+ assertEquals(ListMap(1 -> 1, 2 -> 2, 3 -> 3), m - 4)
+ }
+
+ @Test
+ def hasCorrectIterator(): Unit = {
+ val m = ListMap(1 -> 1, 2 -> 2, 3 -> 3, 5 -> 5, 4 -> 4)
+ assertEquals(List(1 -> 1, 2 -> 2, 3 -> 3, 5 -> 5, 4 -> 4), m.iterator.toList)
+ }
+}
diff --git a/test/junit/scala/collection/immutable/ListSetTest.scala b/test/junit/scala/collection/immutable/ListSetTest.scala
new file mode 100644
index 0000000000..395da88c75
--- /dev/null
+++ b/test/junit/scala/collection/immutable/ListSetTest.scala
@@ -0,0 +1,53 @@
+package scala.collection.immutable
+
+import org.junit.Assert._
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.junit.runners.JUnit4
+
+@RunWith(classOf[JUnit4])
+class ListSetTest {
+
+ @Test
+ def t7445(): Unit = {
+ val s = ListSet(1, 2, 3, 4, 5)
+ assertEquals(ListSet(2, 3, 4, 5), s.tail)
+ }
+
+ @Test
+ def hasCorrectBuilder(): Unit = {
+ val m = ListSet("a", "b", "c", "b", "d")
+ assertEquals(List("a", "b", "c", "d"), m.toList)
+ }
+
+ @Test
+ def hasTailRecursiveDelete(): Unit = {
+ val s = ListSet(1 to 50000: _*)
+ try s - 25000 catch { case e: StackOverflowError => fail("A stack overflow occurred") }
+ }
+
+ @Test
+ def hasCorrectHeadTailLastInit(): Unit = {
+ val m = ListSet(1, 2, 3)
+ assertEquals(1, m.head)
+ assertEquals(ListSet(2, 3), m.tail)
+ assertEquals(3, m.last)
+ assertEquals(ListSet(1, 2), m.init)
+ }
+
+ @Test
+ def hasCorrectAddRemove(): Unit = {
+ val m = ListSet(1, 2, 3)
+ assertEquals(ListSet(1, 2, 3, 4), m + 4)
+ assertEquals(ListSet(1, 2, 3), m + 2)
+ assertEquals(ListSet(2, 3), m - 1)
+ assertEquals(ListSet(1, 3), m - 2)
+ assertEquals(ListSet(1, 2, 3), m - 4)
+ }
+
+ @Test
+ def hasCorrectIterator(): Unit = {
+ val s = ListSet(1, 2, 3, 5, 4)
+ assertEquals(List(1, 2, 3, 5, 4), s.iterator.toList)
+ }
+}
diff --git a/test/junit/scala/collection/immutable/PagedSeqTest.scala b/test/junit/scala/collection/immutable/PagedSeqTest.scala
index 74f8825307..6c974db884 100644
--- a/test/junit/scala/collection/immutable/PagedSeqTest.scala
+++ b/test/junit/scala/collection/immutable/PagedSeqTest.scala
@@ -2,13 +2,14 @@ package scala.collection.immutable
import org.junit.runner.RunWith
import org.junit.runners.JUnit4
-import org.junit.Test
+import org.junit.{Ignore, Test}
import org.junit.Assert._
@RunWith(classOf[JUnit4])
class PagedSeqTest {
// should not NPE, and should equal the given Seq
@Test
+ @Ignore("This tests a non-stack safe method in a deprecated class that requires ~1.5M stack, disabling")
def test_SI6615(): Unit = {
assertEquals(Seq('a'), PagedSeq.fromStrings(List.fill(5000)("a")).slice(4096, 4097))
}
diff --git a/test/junit/scala/collection/immutable/RangeTest.scala b/test/junit/scala/collection/immutable/RangeTest.scala
new file mode 100644
index 0000000000..a0bef72bc9
--- /dev/null
+++ b/test/junit/scala/collection/immutable/RangeTest.scala
@@ -0,0 +1,42 @@
+package scala.collection.immutable
+
+import org.junit.{Assert, Test}
+import org.junit.runner.RunWith
+import org.junit.runners.JUnit4
+import scala.tools.testing.AssertUtil
+
+@RunWith(classOf[JUnit4])
+class RangeTest {
+ import Assert._
+ import AssertUtil._
+
+ @Test
+ def test_SI10060_numeric_range_min_max(): Unit = {
+ assertEquals(Range.Long.inclusive(1, 9, 1).min, 1)
+ assertEquals(Range.Long.inclusive(1, 9, 1).max, 9)
+ assertEquals(Range.Long.inclusive(9, 1, -1).min, 1)
+ assertEquals(Range.Long.inclusive(9, 1, -1).max, 9)
+ assertThrows[java.util.NoSuchElementException](Range.Long.inclusive(1, 9, -1).min)
+ assertThrows[java.util.NoSuchElementException](Range.Long.inclusive(1, 9, -1).max)
+ assertThrows[java.util.NoSuchElementException](Range.Long.inclusive(9, 1, 1).min)
+ assertThrows[java.util.NoSuchElementException](Range.Long.inclusive(9, 1, 1).max)
+
+ assertEquals(Range.Int.inclusive(1, 9, 1).min, 1)
+ assertEquals(Range.Int.inclusive(1, 9, 1).max, 9)
+ assertEquals(Range.Int.inclusive(9, 1, -1).min, 1)
+ assertEquals(Range.Int.inclusive(9, 1, -1).max, 9)
+ assertThrows[java.util.NoSuchElementException](Range.Int.inclusive(1, 9, -1).min)
+ assertThrows[java.util.NoSuchElementException](Range.Int.inclusive(1, 9, -1).max)
+ assertThrows[java.util.NoSuchElementException](Range.Int.inclusive(9, 1, 1).min)
+ assertThrows[java.util.NoSuchElementException](Range.Int.inclusive(9, 1, 1).max)
+
+ assertEquals(Range.inclusive(1, 9, 1).min, 1)
+ assertEquals(Range.inclusive(1, 9, 1).max, 9)
+ assertEquals(Range.inclusive(9, 1, -1).min, 1)
+ assertEquals(Range.inclusive(9, 1, -1).max, 9)
+ assertThrows[java.util.NoSuchElementException](Range.inclusive(1, 9, -1).min)
+ assertThrows[java.util.NoSuchElementException](Range.inclusive(1, 9, -1).max)
+ assertThrows[java.util.NoSuchElementException](Range.inclusive(9, 1, 1).min)
+ assertThrows[java.util.NoSuchElementException](Range.inclusive(9, 1, 1).max)
+ }
+}
diff --git a/test/junit/scala/collection/immutable/SetTests.scala b/test/junit/scala/collection/immutable/SetTest.scala
index 28c7864359..4029c98009 100644
--- a/test/junit/scala/collection/immutable/SetTests.scala
+++ b/test/junit/scala/collection/immutable/SetTest.scala
@@ -6,7 +6,7 @@ import org.junit.runner.RunWith
import org.junit.runners.JUnit4
@RunWith(classOf[JUnit4])
-class SetTests {
+class SetTest {
@Test
def test_SI8346_toSet_soundness(): Unit = {
val any2stringadd = "Disabled string conversions so as not to get confused!"
diff --git a/test/junit/scala/collection/immutable/StreamTest.scala b/test/junit/scala/collection/immutable/StreamTest.scala
new file mode 100644
index 0000000000..61f7b792e8
--- /dev/null
+++ b/test/junit/scala/collection/immutable/StreamTest.scala
@@ -0,0 +1,126 @@
+package scala.collection.immutable
+
+import org.junit.runner.RunWith
+import org.junit.runners.JUnit4
+import org.junit.Test
+import org.junit.Assert._
+
+import scala.ref.WeakReference
+import scala.util.Try
+
+@RunWith(classOf[JUnit4])
+class StreamTest {
+
+ @Test
+ def t6727_and_t6440_and_8627(): Unit = {
+ assertTrue(Stream.continually(()).filter(_ => true).take(2) == Seq((), ()))
+ assertTrue(Stream.continually(()).filterNot(_ => false).take(2) == Seq((), ()))
+ assertTrue(Stream(1,2,3,4,5).filter(_ < 4) == Seq(1,2,3))
+ assertTrue(Stream(1,2,3,4,5).filterNot(_ > 4) == Seq(1,2,3,4))
+ assertTrue(Stream.from(1).filter(_ > 4).take(3) == Seq(5,6,7))
+ assertTrue(Stream.from(1).filterNot(_ <= 4).take(3) == Seq(5,6,7))
+ }
+
+ /** Test helper to verify that the given Stream operation allows
+ * GC of the head during processing of the tail.
+ */
+ def assertStreamOpAllowsGC(op: (=> Stream[Int], Int => Unit) => Any, f: Int => Unit): Unit = {
+ val msgSuccessGC = "GC success"
+ val msgFailureGC = "GC failure"
+
+ // A stream of 500 elements at most. We will test that the head can be collected
+ // while processing the tail. After each element we will GC and wait 10 ms, so a
+ // failure to collect will take roughly 5 seconds.
+ val ref = WeakReference( Stream.from(1).take(500) )
+
+ def gcAndThrowIfCollected(n: Int): Unit = {
+ System.gc() // try to GC
+ Thread.sleep(10) // give it 10 ms
+ if (ref.get.isEmpty) throw new RuntimeException(msgSuccessGC) // we're done if head collected
+ f(n)
+ }
+
+ val res = Try { op(ref(), gcAndThrowIfCollected) }.failed // success is indicated by an
+ val msg = res.map(_.getMessage).getOrElse(msgFailureGC) // exception with expected message
+ // failure is indicated by no
+ assertTrue(msg == msgSuccessGC) // exception, or one with different message
+ }
+
+ @Test
+ def foreach_allows_GC() {
+ assertStreamOpAllowsGC(_.foreach(_), _ => ())
+ }
+
+ @Test
+ def filter_all_foreach_allows_GC() {
+ assertStreamOpAllowsGC(_.filter(_ => true).foreach(_), _ => ())
+ }
+
+ @Test // SI-8990
+ def withFilter_after_first_foreach_allows_GC: Unit = {
+ assertStreamOpAllowsGC(_.withFilter(_ > 1).foreach(_), _ => ())
+ }
+
+ @Test // SI-8990
+ def withFilter_after_first_withFilter_foreach_allows_GC: Unit = {
+ assertStreamOpAllowsGC(_.withFilter(_ > 1).withFilter(_ < 100).foreach(_), _ => ())
+ }
+
+ @Test // SI-8990
+ def withFilter_can_retry_after_exception_thrown_in_filter: Unit = {
+ // use mutable state to control an intermittent failure in filtering the Stream
+ var shouldThrow = true
+
+ val wf = Stream.from(1).take(10).withFilter { n =>
+ if (shouldThrow && n == 5) throw new RuntimeException("n == 5") else n > 5
+ }
+
+ assertTrue( Try { wf.map(identity) }.isFailure ) // throws on n == 5
+
+ shouldThrow = false // won't throw next time
+
+ assertTrue( wf.map(identity).length == 5 ) // success instead of NPE
+ }
+
+ /** Test helper to verify that the given Stream operation is properly lazy in the tail */
+ def assertStreamOpLazyInTail(op: (=> Stream[Int]) => Stream[Int], expectedEvaluated: List[Int]): Unit = {
+ // mutable state to record every strict evaluation
+ var evaluated: List[Int] = Nil
+
+ def trackEffectsOnNaturals: Stream[Int] = {
+ def loop(i: Int): Stream[Int] = { evaluated ++= List(i); i #:: loop(i + 1) }
+ loop(1)
+ }
+
+ // call op on a stream which records every strict evaluation
+ val result = op(trackEffectsOnNaturals)
+
+ assertTrue( evaluated == expectedEvaluated )
+ }
+
+ @Test // SI-9134
+ def filter_map_properly_lazy_in_tail: Unit = {
+ assertStreamOpLazyInTail(_.filter(_ % 2 == 0).map(identity), List(1, 2))
+ }
+
+ @Test // SI-9134
+ def withFilter_map_properly_lazy_in_tail: Unit = {
+ assertStreamOpLazyInTail(_.withFilter(_ % 2 == 0).map(identity), List(1, 2))
+ }
+
+ @Test // SI-6881
+ def test_reference_equality: Unit = {
+ // Make sure we're tested with reference equality
+ val s = Stream.from(0)
+ assert(s == s, "Referentially identical streams should be equal (==)")
+ assert(s equals s, "Referentially identical streams should be equal (equals)")
+ assert((0 #:: 1 #:: s) == (0 #:: 1 #:: s), "Cons of referentially identical streams should be equal (==)")
+ assert((0 #:: 1 #:: s) equals (0 #:: 1 #:: s), "Cons of referentially identical streams should be equal (equals)")
+ }
+
+ @Test
+ def t9886: Unit = {
+ assertEquals(Stream(None, Some(1)), None #:: Stream(Some(1)))
+ assertEquals(Stream(None, Some(1)), Stream(None) #::: Stream(Some(1)))
+ }
+}
diff --git a/test/junit/scala/collection/immutable/StringLikeTest.scala b/test/junit/scala/collection/immutable/StringLikeTest.scala
index 3722bdfe4d..44bade860e 100644
--- a/test/junit/scala/collection/immutable/StringLikeTest.scala
+++ b/test/junit/scala/collection/immutable/StringLikeTest.scala
@@ -1,5 +1,6 @@
package scala.collection.immutable
+import org.junit.Assert._
import org.junit.Test
import org.junit.runner.RunWith
import org.junit.runners.JUnit4
@@ -28,10 +29,46 @@ class StringLikeTest {
@Test
def testSplitEdgeCases: Unit = {
+ val high = 0xD852.toChar
+ val low = 0xDF62.toChar
+ val surrogatepair = List(high, low).mkString
+ val twopairs = surrogatepair + "_" + surrogatepair
+
AssertUtil.assertSameElements("abcd".split('d'), Array("abc")) // not Array("abc", "")
AssertUtil.assertSameElements("abccc".split('c'), Array("ab")) // not Array("ab", "", "", "")
AssertUtil.assertSameElements("xxx".split('x'), Array[String]()) // not Array("", "", "", "")
AssertUtil.assertSameElements("".split('x'), Array("")) // not Array()
AssertUtil.assertSameElements("--ch--omp--".split("-"), Array("", "", "ch", "", "omp")) // All the cases!
+ AssertUtil.assertSameElements(twopairs.split(high), Array(twopairs)) //don't split on characters that are half a surrogate pair
+ }
+
+ /* Test for SI-9767 */
+ @Test
+ def testNumericConversion: Unit = {
+ val sOne = " \t\n 1 \n\r\t "
+ val sOk = "2"
+ val sNull:String = null
+
+ AssertUtil.assertThrows[java.lang.NumberFormatException](sOne.toInt)
+ AssertUtil.assertThrows[java.lang.NumberFormatException](sOne.toLong)
+ AssertUtil.assertThrows[java.lang.NumberFormatException](sOne.toShort)
+ AssertUtil.assertThrows[java.lang.NumberFormatException](sOne.toByte)
+ assertTrue("trim toDouble", sOne.toDouble == 1.0d)
+ assertTrue("trim toFloat", sOne.toFloat == 1.0f)
+
+ assertTrue("no trim toInt", sOk.toInt == 2)
+ assertTrue("no trim toLong", sOk.toLong == 2L)
+ assertTrue("no trim toShort", sOk.toShort == 2.toShort)
+ assertTrue("no trim toByte", sOk.toByte == 2.toByte)
+ assertTrue("no trim toDouble", sOk.toDouble == 2.0d)
+ assertTrue("no trim toFloat", sOk.toFloat == 2.0f)
+
+ AssertUtil.assertThrows[java.lang.NumberFormatException](sNull.toInt, {s => s == "null"})
+ AssertUtil.assertThrows[java.lang.NumberFormatException](sNull.toLong, {s => s == "null"})
+ AssertUtil.assertThrows[java.lang.NumberFormatException](sNull.toShort, {s => s == "null"})
+ AssertUtil.assertThrows[java.lang.NumberFormatException](sNull.toByte, {s => s == "null"})
+
+ AssertUtil.assertThrows[java.lang.NullPointerException](sNull.toDouble)
+ AssertUtil.assertThrows[java.lang.NullPointerException](sNull.toFloat)
}
}