diff options
author | Benjamin Barenblat <bbaren@mit.edu> | 2016-05-30 17:58:02 -0400 |
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committer | Benjamin Barenblat <bbaren@mit.edu> | 2016-05-30 17:58:02 -0400 |
commit | e67c951ad9c5c637e36a6f025ba3d6e3ad945416 (patch) | |
tree | 0cfb5c339602e4bdebf4bf97f3f0ccc3923c14d1 /Test/hofs/OneShot.dfy | |
parent | 000aa762e1fee4b9bd83ec3d7c8b61fd203e2c9d (diff) | |
parent | df5c5f547990c1f80ab7594a1f9287ee03a61754 (diff) |
Merge commit 'df5c5f5'
Diffstat (limited to 'Test/hofs/OneShot.dfy')
-rw-r--r-- | Test/hofs/OneShot.dfy | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/Test/hofs/OneShot.dfy b/Test/hofs/OneShot.dfy index 286be898..e920530a 100644 --- a/Test/hofs/OneShot.dfy +++ b/Test/hofs/OneShot.dfy @@ -10,16 +10,15 @@ method OneShot() { var i : Ref<int>; i := new Ref; - g := () -> true; - + g := () reads i -> true; // using a (deprecated) one-shot arrow here means "g" acquires + // a precondition that says it can only be applied in this heap assert g(); i.val := i.val + 1; // heap changes if * { - assert g(); // should fail + assert g(); // error: precondition violation } else { - assert !g(); // should fail + assert !g(); // error: precondition violation } } - |