add tests from scala/test/files/{pos,neg}

with explicit Unit return type

1 files changed, 32 insertions, 0 deletions

diff --git a/tests/untried/neg/unit-returns-value.scala b/tests/untried/neg/unit-returns-value.scala
new file mode 100644
index 000000000..1c125f0da
--- /dev/null
+++ b/tests/untried/neg/unit-returns-value.scala
@@ -0,0 +1,32 @@
+object Test {
+  def f: Unit = {
+    var b = false
+    if (b) return 5
+  }
+
+  // no warning
+  def g: Unit = {
+    return println("hello")
+  }
+}
+
+class UnusedValues {
+  var i1 = 2
+  val i2 = 2
+  lazy val i3 = 2
+  object i4 { }
+  def i5 = 2
+  final def i6 = 2
+
+  def x = {
+    i1 // warn
+    i2 // warn
+    i3 // no warn
+    i4 // no warn
+    i5 // no warn
+    i6 // could warn someday, if i6 returned 2.type instead of Int
+
+    5
+  }
+}
+