2 files changed, 30 insertions, 1 deletions
diff --git a/Test/dafny4/Bug68.dfy b/Test/dafny4/Bug68.dfy
index bfd8c4ad..601da0b2 100644
--- a/Test/dafny4/Bug68.dfy
+++ b/Test/dafny4/Bug68.dfy
@@ -8,6 +8,14 @@ method M1()
   print {10, 20} in m, "\n"; // prints False
 }
 
+method M1'()
+{
+  var m := map [{10, 20} := 33];
+  assert {10, 20} == {20, 10};
+  assert {20, 10} in m; // succeeds
+  print {20, 10} in m, "\n"; // prints False
+}
+
 method M2()
 {
   var m := map [(map [1 := 10, 2 := 20]) := 33];
@@ -15,6 +23,14 @@ method M2()
   print (map [1 := 10, 2 := 20]) in m, "\n"; // prints False
 }
 
+method M2'()
+{
+  var m := map [(map [1 := 10, 2 := 20]) := 33];
+  assert (map [1 := 10, 2 := 20] == map [2 := 20, 1 := 10]);
+  assert (map [2 := 20, 1 := 10]) in m; // succeeds 
+  print (map [2 := 20, 1 := 10]) in m, "\n"; // prints False
+}
+
 method M3()
 {
   var m := map [(multiset{10, 20}) := 33];
@@ -22,6 +38,13 @@ method M3()
   print (multiset{10, 20}) in m, "\n"; // prints False
 }
 
+method M3'()
+{
+  var m := map [(multiset{10, 20}) := 33];
+  assert multiset{10, 20} == multiset{20, 10};
+  assert (multiset{20, 10}) in m; // succeeds 
+  print (multiset{20, 10}) in m, "\n"; // prints False
+}
 
 method M4()
 {
@@ -33,7 +56,10 @@ method M4()
 method Main()
 {
   M1();
+  M1'();
   M2();
+  M2'();
   M3();
+  M3'();
   M4();
 }
 \ No newline at end of file
diff --git a/Test/dafny4/Bug68.dfy.expect b/Test/dafny4/Bug68.dfy.expect
index 22cf7e4d..98b1498e 100644
--- a/Test/dafny4/Bug68.dfy.expect
+++ b/Test/dafny4/Bug68.dfy.expect
@@ -1,5 +1,5 @@
 
-Dafny program verifier finished with 10 verified, 0 errors
+Dafny program verifier finished with 16 verified, 0 errors
 Program compiled successfully
 Running...
 
@@ -7,3 +7,6 @@ True
 True
 True
 True
+True
+True
+True