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-rw-r--r--tests/untried/pos/traits.scala40
1 files changed, 40 insertions, 0 deletions
diff --git a/tests/untried/pos/traits.scala b/tests/untried/pos/traits.scala
new file mode 100644
index 000000000..3c6f9437a
--- /dev/null
+++ b/tests/untried/pos/traits.scala
@@ -0,0 +1,40 @@
+object Test {
+ type Color = Int
+ trait Shape {
+ override def equals(other: Any) = true
+ }
+ trait Bordered extends Shape {
+ val thickness: Int
+ override def equals(other: Any) = other match {
+ case that: Bordered => this.thickness == that.thickness
+ case _ => false
+ }
+ }
+ trait Colored extends Shape {
+ val color: Color
+ override def equals(other: Any) = other match {
+ case that: Colored => this.color == that.color
+ case _ => false
+ }
+ }
+ trait BorderedColoredShape extends Shape with Bordered with Colored {
+ override def equals(other: Any) = other match {
+ case that: BorderedColoredShape => (
+ super.equals(that) &&
+ super[Bordered].equals(that) &&
+ super[Colored].equals(that))
+ case _ => false
+ }
+ }
+
+ val bcs1 = new BorderedColoredShape {
+ val thickness = 1
+ val color = 0
+ }
+ val bcs2 = new BorderedColoredShape {
+ val thickness = 2
+ val color = 0
+ }
+ Console.println(bcs1 == bcs1)
+ Console.println(bcs1 == bcs2)
+}