From 6e935875b5cfbdee8a7f6573f9f01c48db746d56 Mon Sep 17 00:00:00 2001
From: Clément Pit--Claudel <clement.pitclaudel@live.com>
Date: Wed, 19 Aug 2015 22:22:54 -0700
Subject: Add a wishlist folder to the test suite, with things that we do not
 support (yet!)

The curent examples include semi-bugs regarding calc statements and strings, and
stuff about sequences
---
 Test/wishlist/sequences-s0-in-s.dfy | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 Test/wishlist/sequences-s0-in-s.dfy

(limited to 'Test/wishlist/sequences-s0-in-s.dfy')

diff --git a/Test/wishlist/sequences-s0-in-s.dfy b/Test/wishlist/sequences-s0-in-s.dfy
new file mode 100644
index 00000000..20127917
--- /dev/null
+++ b/Test/wishlist/sequences-s0-in-s.dfy
@@ -0,0 +1,25 @@
+// RUN: %dafny /compile:0 /autoTriggers:1 /print:"%t.print" /dprint:"%t.dprint" "%s" > "%t"
+// RUN: %diff "%s.expect" "%t"
+
+// The following is also due to a weakness in the axiomatization: namely, it is
+// not easy to learn, using Dafny's axioms, that s[0] in s. One can of course
+// prove it, but it doesn't come for free.
+
+method InSeqTriggers(s: seq<int>, i: nat)
+  requires forall x :: x in s ==> x > 0;
+  requires |s| > 0 {
+    if * {
+      // Fails
+      assert s[0] > 0; // WISH
+    } else if * {
+      // Works
+      assert s[0] in s;
+      assert s[0] > 0;
+    }
+}
+
+method InSeqNoAutoTriggers(s: seq<int>, i: nat)
+  requires forall x {:autotriggers false} :: x in s ==> x > 0;
+  requires |s| > 0 {
+    assert s[0] > 0; // Works
+}
-- 
cgit v1.2.3


From 3d45aa05a023c092167d938a72adf78cf1f76fdf Mon Sep 17 00:00:00 2001
From: Clément Pit--Claudel <clement.pitclaudel@live.com>
Date: Fri, 28 Aug 2015 20:47:42 -0700
Subject: Clarify a comment

---
 Test/wishlist/sequences-s0-in-s.dfy | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Test/wishlist/sequences-s0-in-s.dfy')

diff --git a/Test/wishlist/sequences-s0-in-s.dfy b/Test/wishlist/sequences-s0-in-s.dfy
index 20127917..c221dbb2 100644
--- a/Test/wishlist/sequences-s0-in-s.dfy
+++ b/Test/wishlist/sequences-s0-in-s.dfy
@@ -21,5 +21,5 @@ method InSeqTriggers(s: seq<int>, i: nat)
 method InSeqNoAutoTriggers(s: seq<int>, i: nat)
   requires forall x {:autotriggers false} :: x in s ==> x > 0;
   requires |s| > 0 {
-    assert s[0] > 0; // Works
+    assert s[0] > 0; // Works (Z3 matches on $Box above)
 }
-- 
cgit v1.2.3