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| author |  Benjamin Barenblat <bbaren@mit.edu> | 2016-05-30 17:58:02 -0400 |
|---|---|---|
| committer | Benjamin Barenblat <bbaren@mit.edu> | 2016-05-30 17:58:02 -0400 |
| commit | e67c951ad9c5c637e36a6f025ba3d6e3ad945416 (patch) | |
| tree | 0cfb5c339602e4bdebf4bf97f3f0ccc3923c14d1 /Test/dafny0/Trait/TraitsDecreases.dfy | |
| parent | 000aa762e1fee4b9bd83ec3d7c8b61fd203e2c9d (diff) | |
| parent | df5c5f547990c1f80ab7594a1f9287ee03a61754 (diff) | |
Merge commit 'df5c5f5'
Diffstat (limited to 'Test/dafny0/Trait/TraitsDecreases.dfy')
| -rw-r--r-- | Test/dafny0/Trait/TraitsDecreases.dfy | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/Test/dafny0/Trait/TraitsDecreases.dfy b/Test/dafny0/Trait/TraitsDecreases.dfy index 53ce28be..8ab3672a 100644 --- a/Test/dafny0/Trait/TraitsDecreases.dfy +++ b/Test/dafny0/Trait/TraitsDecreases.dfy @@ -106,3 +106,49 @@ class CC extends TT { decreases *
{ }
}
+
+
+// The following module contains various regression tests
+module More {
+ trait A0 {
+ predicate P() decreases 5
+ }
+ class B0 extends A0 {
+ predicate P() // error: rank is not lower
+ }
+
+ trait A1 {
+ predicate P() decreases 5
+ }
+ class B1 extends A1 {
+ predicate P() reads this // error: rank is not lower
+ }
+
+ trait A2 {
+ predicate P(x: int)
+ }
+ class B2 extends A2 {
+ predicate P(x: int) reads this // error: rank is not lower
+ }
+
+ trait A3 {
+ predicate P() reads this
+ }
+ class B3 extends A3 {
+ predicate P() // error: rank is not lower
+ }
+
+ trait A4 {
+ predicate P(x: int) decreases 5
+ }
+ class B4 extends A4 {
+ predicate P(x: int) // error: rank is not lower
+ }
+
+ trait A5 {
+ method M(x: int) decreases 5
+ }
+ class B5 extends A5 {
+ method M(x: int) // error: rank is not lower
+ }
+}
|