1 files changed, 41 insertions, 0 deletions
diff --git a/Test/dafny0/Trait/TraitSpecsOverride0.dfy b/Test/dafny0/Trait/TraitSpecsOverride0.dfy
new file mode 100644
index 00000000..5b4417c3
--- /dev/null
+++ b/Test/dafny0/Trait/TraitSpecsOverride0.dfy
@@ -0,0 +1,41 @@
+// RUN: %dafny /compile:0 /print:"%t.print" /dprint:"%t.dprint" "%s" > "%t"
+// RUN: %diff "%s.expect" "%t"
+
+
+trait J 
+{
+	function method F(k:int, y: array<int>): int
+	  reads y;
+	  decreases k;
+	
+	function method G(y: int): int 
+	{ 
+	   100 
+	}
+	
+	method M(y: int) returns (kobra:int)
+	  requires y > 0;
+	  ensures kobra > 0;
+	   
+	method N(y: int) 
+	{ 
+	   var x: int;
+	   var y : int;
+	   y := 10;
+	   x := 1000;
+	   y := y + x;
+	}
+}
+
+class C extends J 
+{
+	function method F(kk:int, yy: array<int>): int
+	{ 
+	  200 
+	}
+
+	method M(kk:int) returns (ksos:int) //errors here, M must provide its own specifications
+	{
+		ksos:=10;	
+	}	 
+}
+\ No newline at end of file