diff options
| 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/dafny4/Bug49.dfy | |
| parent | 000aa762e1fee4b9bd83ec3d7c8b61fd203e2c9d (diff) | |
| parent | df5c5f547990c1f80ab7594a1f9287ee03a61754 (diff) | |
Merge commit 'df5c5f5'
Diffstat (limited to 'Test/dafny4/Bug49.dfy')
| -rw-r--r-- | Test/dafny4/Bug49.dfy | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/Test/dafny4/Bug49.dfy b/Test/dafny4/Bug49.dfy new file mode 100644 index 00000000..887938d6 --- /dev/null +++ b/Test/dafny4/Bug49.dfy @@ -0,0 +1,74 @@ +// RUN: %dafny /compile:3 "%s" > "%t"
+// RUN: %diff "%s.expect" "%t"
+
+method Main()
+{
+ print apply(i => i + 1, 5), "\n";
+ print mapply(map[5 := 6], 5), "\n";
+ var f;
+ print five(f), "\n";
+}
+
+// -----
+// test that the definition axiom for function "apply" is available
+
+function method apply(f:int->int, a:int): int
+ reads f.reads
+ requires f.requires(a)
+{
+ f(a)
+}
+
+lemma TestPost()
+ ensures apply(i => i + 1, 5) == 6
+{
+}
+
+lemma M() {
+ assert apply(i => i + 1, 5) == 6;
+}
+
+lemma TestPre()
+ requires apply(i => i + 1, 5) == 6
+{
+}
+
+lemma TestPreCaller()
+{
+ TestPre();
+}
+
+// -----
+// test that the above thing for arrows also works for maps
+
+function method mapply(m: map<int,int>, a:int): int
+ requires a in m
+{
+ m[a]
+}
+
+lemma TestMPost()
+ ensures mapply(map[5 := 6], 5) == 6
+{
+}
+
+lemma N() {
+ assert mapply(map[5 := 6], 5) == 6;
+}
+
+// -----
+// test that g's result is known to be $Is'ed and $IsAlloc'ed
+
+function method five(f:int->int): int { 5 }
+
+lemma P() {
+ var f := i => i + 1;
+ assert five(f) == 5;
+}
+
+lemma Q(g: real->int->int)
+ requires g.requires(0.0)
+{
+ var f := g(0.0);
+ assert five(f) == 5;
+}
|