SI-9377 ScalaVersion init no longer fails if versionless

If the version string was empty, ScalaVersion would
indignantly refuse to initialize. Now it takes a missing
property as "none".

1 files changed, 5 insertions, 0 deletions

diff --git a/test/junit/scala/tools/nsc/settings/ScalaVersionTest.scala b/test/junit/scala/tools/nsc/settings/ScalaVersionTest.scala
index acbf39fe23..a10e395011 100644
--- a/test/junit/scala/tools/nsc/settings/ScalaVersionTest.scala
+++ b/test/junit/scala/tools/nsc/settings/ScalaVersionTest.scala
@@ -57,4 +57,9 @@ class ScalaVersionTest {
     assertThrows[NumberFormatException] { ScalaVersion("2-.") } // scalacheck territory
     assertThrows[NumberFormatException] { ScalaVersion("any.7") }
   }
+
+  // SI-9377
+  @Test def `missing version is as good as none`() {
+    assertEquals(NoScalaVersion, ScalaVersion(""))
+  }
 }