4 files changed, 44 insertions, 0 deletions
diff --git a/test/regress/CMakeLists.txt b/test/regress/CMakeLists.txt
index 20722a1da..ffff25520 100644
--- a/test/regress/CMakeLists.txt
+++ b/test/regress/CMakeLists.txt
@@ -2531,6 +2531,9 @@ set(regress_1_tests
   regress1/sygus/pLTL_5_trace.sy
   regress1/sygus/qe.sy
   regress1/sygus/qf_abv.smt2
+  regress1/sygus/rand_const.sy
+  regress1/sygus/rand_p_0.sy
+  regress1/sygus/rand_p_1.sy
   regress1/sygus/real-any-const.sy
   regress1/sygus/real-grammar.sy
   regress1/sygus/rec-fun-swap.sy
diff --git a/test/regress/regress1/sygus/rand_const.sy b/test/regress/regress1/sygus/rand_const.sy
new file mode 100644
index 000000000..e920a9cc0
--- /dev/null
+++ b/test/regress/regress1/sygus/rand_const.sy
@@ -0,0 +1,12 @@
+; COMMAND-LINE: --sygus-active-gen=random --sygus-out=status
+; EXPECT: unsat
+
+(set-logic BV)
+
+; Ensures random enumerator correctly handles non-sygus types.
+
+(synth-fun f () (_ BitVec 7)
+  ((Start (_ BitVec 7)))
+  ((Start (_ BitVec 7) ((Constant (_ BitVec 7))))))
+
+(check-synth)
diff --git a/test/regress/regress1/sygus/rand_p_0.sy b/test/regress/regress1/sygus/rand_p_0.sy
new file mode 100644
index 000000000..a7b3c9f41
--- /dev/null
+++ b/test/regress/regress1/sygus/rand_p_0.sy
@@ -0,0 +1,15 @@
+; COMMAND-LINE: --sygus-active-gen=random --sygus-out=status
+; EXPECT: unsat
+
+(set-logic BV)
+(set-option :sygus-active-gen-random-p 0)
+
+; Ensures random enumerator correctly handles cases where the coin flips to
+; tails but there is no no-argument constructor to pick.
+
+(synth-fun f () Bool
+  ((Start Bool) (Const Bool))
+  ((Start Bool ((not Const)))
+   (Const Bool (false))))
+
+(check-synth)
diff --git a/test/regress/regress1/sygus/rand_p_1.sy b/test/regress/regress1/sygus/rand_p_1.sy
new file mode 100644
index 000000000..412e55f73
--- /dev/null
+++ b/test/regress/regress1/sygus/rand_p_1.sy
@@ -0,0 +1,14 @@
+; COMMAND-LINE: --sygus-active-gen=random --sygus-out=status
+; EXPECT: unsat
+
+(set-logic BV)
+(set-option :sygus-active-gen-random-p 1)
+
+; Ensures random enumerator correctly handles cases where the coin flips to
+; heads but there is no constructor that takes arguments to pick.
+
+(synth-fun f () Bool
+  ((Start Bool))
+  ((Start Bool (false))))
+
+(check-synth)