3 files changed, 53 insertions, 0 deletions
diff --git a/test/junit/scala/collection/mutable/BitSetTest.scala b/test/junit/scala/collection/mutable/BitSetTest.scala
index 8d164b50d4..d56cc45601 100644
--- a/test/junit/scala/collection/mutable/BitSetTest.scala
+++ b/test/junit/scala/collection/mutable/BitSetTest.scala
@@ -19,4 +19,13 @@ class BitSetTest {
     bitSet &~= bitSet
     assert(bitSet.toBitMask.length == size, "Capacity of bitset changed after &~=")
   }
+  
+  @Test def test_SI8917() {
+    val bigBitSet = BitSet(1, 100, 10000)
+    val littleBitSet = BitSet(100)
+    bigBitSet &= littleBitSet
+    assert(!(bigBitSet contains 10000), "&= not applied to the full bitset")
+    littleBitSet &= bigBitSet
+    assert(littleBitSet.toBitMask.length < bigBitSet.toBitMask.length, "Needlessly extended the size of bitset on &=")
+  }
 }
diff --git a/test/junit/scala/reflect/ClassTag.scala b/test/junit/scala/reflect/ClassTag.scala
new file mode 100644
index 0000000000..90cc981fc1
--- /dev/null
+++ b/test/junit/scala/reflect/ClassTag.scala
@@ -0,0 +1,29 @@
+package scala.reflect
+
+import org.junit.Test
+import org.junit.Assert._
+import org.junit.runner.RunWith
+import org.junit.runners.JUnit4
+
+import scala.tools.testing.AssertUtil._
+
+class Misc
+
+@RunWith(classOf[JUnit4])
+class ClassTagTest {
+  def checkNotString[A: ClassTag](a: Any)  = a match { case x: String  => false case x: A => true case _ => false }
+  def checkNotInt[A: ClassTag](a: Any)  = a match { case x: Int  => false case x: A => true case _ => false }
+  def checkNotLong[A: ClassTag](a: Any) = a match { case x: Long => false case x: A => true case _ => false }
+
+  @Test def checkMisc    = assertTrue(checkNotString[Misc](new Misc))
+  @Test def checkString  = assertTrue(checkNotInt[String] ("woele"))
+  @Test def checkByte    = assertTrue(checkNotInt[Byte]   (0.toByte))
+  @Test def checkShort   = assertTrue(checkNotInt[Short]  (0.toShort))
+  @Test def checkChar    = assertTrue(checkNotInt[Char]   (0.toChar))
+  @Test def checkInt     = assertTrue(checkNotLong[Int]   (0.toInt))
+  @Test def checkLong    = assertTrue(checkNotInt[Long]   (0.toLong))
+  @Test def checkFloat   = assertTrue(checkNotInt[Float]  (0.toFloat))
+  @Test def checkDouble  = assertTrue(checkNotInt[Double] (0.toDouble))
+  @Test def checkBoolean = assertTrue(checkNotInt[Boolean](false))
+  @Test def checkUnit    = assertTrue(checkNotInt[Unit]   ({}))
+}
+\ No newline at end of file
diff --git a/test/junit/scala/util/RandomTest.scala b/test/junit/scala/util/RandomTest.scala
new file mode 100644
index 0000000000..32959675ee
--- /dev/null
+++ b/test/junit/scala/util/RandomTest.scala
@@ -0,0 +1,15 @@
+package scala.util
+
+import org.junit.{ Assert, Test }
+
+class RandomTest {
+  // Test for SI-9059
+  @Test def testAlphanumeric: Unit = {
+    def isAlphaNum(c: Char) = (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9')
+
+    val items = Random.alphanumeric.take(100000)
+    for (c <- items) {
+      Assert.assertTrue(s"$c should be alphanumeric", isAlphaNum(c))
+    }
+  }
+}