1 files changed, 75 insertions, 0 deletions
diff --git a/Test/test2/Ensures.bpl b/Test/test2/Ensures.bpl
new file mode 100644
index 00000000..4e36c108
--- /dev/null
+++ b/Test/test2/Ensures.bpl
@@ -0,0 +1,75 @@
+var H: [ref,name]int;
+var that: ref;
+
+const X: name;
+const Y: name;
+
+procedure P(this: ref);
+  modifies H;
+  ensures H[this,X] == 5;
+
+implementation P(this: ref) {
+  start:
+    H[this,X] := 5;
+    return;
+}
+
+procedure Q(this: ref);
+  modifies H;
+  ensures (forall o: ref, F: name :: o == this && F == X ==> H[o,F] == 5);
+
+implementation Q(this: ref) {
+  start:
+    H[this,X] := 5;
+    return;
+}
+
+implementation Q(this: ref) {
+  start:
+    H[this,X] := 7;
+    return;  // error
+}
+
+implementation Q(this: ref) {
+  start:
+    return;  // error
+}
+
+implementation Q(this: ref) {
+  start:
+    H[that,X] := 5;
+    return;  // error
+}
+
+implementation Q(this: ref) {
+  start:
+    H[this,Y] := 5;
+    return;  // error
+}
+
+implementation Q(this: ref) {
+  start:
+    call P(this);
+    return;
+}
+
+implementation Q(this: ref) {
+  start:
+    call Q(this);
+    return;
+}
+
+implementation Q(this: ref) {
+  start:
+    call P(this);
+    call Q(this);
+    return;
+}
+
+implementation Q(this: ref) {
+  start:
+    call P(that);
+    return;  // error
+}
+
+type name, ref;