Implement {:nowarn}, clarify some messages, and add a few tests

1 files changed, 21 insertions, 0 deletions

diff --git a/Test/triggers/suppressing-warnings-behaves-properly.dfy b/Test/triggers/suppressing-warnings-behaves-properly.dfy
new file mode 100644
index 00000000..237269e5
--- /dev/null
+++ b/Test/triggers/suppressing-warnings-behaves-properly.dfy
@@ -0,0 +1,21 @@
+// RUN: %dafny /compile:0 /print:"%t.print" /dprint:"%t.dprint" /autoTriggers:1 /printTooltips "%s" > "%t"

+// RUN: %diff "%s.expect" "%t"

+

+// This file checks that suppressing warnings works properly

+

+predicate f(x: int)

+predicate g(x: int)

+

+method M() {

+  assert forall n :: n >= 0 || n < 0;

+  assert forall n {:nowarn} :: n >= 0 || n < 0;

+  assert forall n {:autotriggers false} :: n >= 0 || n < 0;

+

+  assert forall n: nat :: (n != 0) == f(n) || true;

+  assert forall n: nat {:nowarn} :: (n != 0) == f(n) || true;

+  assert forall n: nat {:autotriggers false} :: (n != 0) == f(n) || true;

+

+  assert forall n: nat :: f(n) == f(n+1) || g(n) || true;

+  assert forall n: nat {:nowarn} :: (n != 0) == f(n) || true;

+  assert forall n: nat {:autotriggers false} :: (n != 0) == f(n) || true;

+}