testsuite/synth: add a test for #2285

2 files changed, 25 insertions, 0 deletions

diff --git a/testsuite/synth/issue2285/test_to_x01z.vhdl b/testsuite/synth/issue2285/test_to_x01z.vhdl
new file mode 100644
index 000000000..4dbefb1e2
--- /dev/null
+++ b/testsuite/synth/issue2285/test_to_x01z.vhdl
@@ -0,0 +1,18 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity test_to_x01z is
+  port (
+    i_a : in  std_logic;
+    i_b : in  std_logic;
+    o_x : out std_logic
+  );
+end;
+
+architecture rtl of test_to_x01z is
+  signal a, b : std_logic;
+begin
+  a <= To_X01Z(i_a);
+  b <= To_X01Z(i_b);
+  o_x <= a and b;
+end;
diff --git a/testsuite/synth/issue2285/testsuite.sh b/testsuite/synth/issue2285/testsuite.sh
new file mode 100755
index 000000000..f695c2966
--- /dev/null
+++ b/testsuite/synth/issue2285/testsuite.sh
@@ -0,0 +1,7 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+synth_only test_to_x01z
+
+echo "Test successful"