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-rw-r--r--test-suite/output-coqtop/ShowProofDiffs.out42
-rw-r--r--test-suite/output-coqtop/ShowProofDiffs.v6
2 files changed, 48 insertions, 0 deletions
diff --git a/test-suite/output-coqtop/ShowProofDiffs.out b/test-suite/output-coqtop/ShowProofDiffs.out
new file mode 100644
index 0000000000..285a3bcd89
--- /dev/null
+++ b/test-suite/output-coqtop/ShowProofDiffs.out
@@ -0,0 +1,42 @@
+
+Coq < Coq < 1 subgoal
+
+ ============================
+ forall i : nat, exists j k : nat, i = j /\ j = k /\ i = k
+
+x <
+x < 1 focused subgoal
+(shelved: 1)
+ i : nat
+ ============================
+ exists k : nat, i = ?j /\ ?j = k /\ i = k
+
+(fun i : nat =>
+ ex_intro (fun j : nat => exists k : nat, i = j /\ j = k /\ i = k) ?j ?Goal)
+
+x < 1 focused subgoal
+(shelved: 2)
+ i : nat
+ ============================
+ i = ?j /\ ?j = ?k /\ i = ?k
+
+(fun i : nat =>
+ ex_intro (fun j : nat => exists k : nat, i = j /\ j = k /\ i = k) 
+ ?j (ex_intro (fun k : nat => i = ?j /\ ?j = k /\ i = k) ?k ?Goal))
+
+x < 2 focused subgoals
+(shelved: 2)
+ i : nat
+ ============================
+ i = ?j
+
+subgoal 2 is:
+ ?j = ?k /\ i = ?k
+
+(fun i : nat =>
+ ex_intro (fun j : nat => exists k : nat, i = j /\ j = k /\ i = k) 
+ ?j
+ (ex_intro (fun k : nat => i = ?j /\ ?j = k /\ i = k) 
+ ?k (conj ?Goal ?Goal0)))
+
+x <
diff --git a/test-suite/output-coqtop/ShowProofDiffs.v b/test-suite/output-coqtop/ShowProofDiffs.v
new file mode 100644
index 0000000000..4251c52cb4
--- /dev/null
+++ b/test-suite/output-coqtop/ShowProofDiffs.v
@@ -0,0 +1,6 @@
+(* coq-prog-args: ("-color" "on" "-diffs" "on") *)
+Lemma x: forall(i : nat), exists(j k : nat), i = j /\ j = k /\ i = k.
+Proof using.
+ eexists. Show Proof Diffs.
+ eexists. Show Proof Diffs.
+ split. Show Proof Diffs.