[PATCH] synth-environment: fix thinkos.

1 files changed, 39 insertions, 0 deletions

diff --git a/testsuite/synth/asgn01/tb_asgn03.vhdl b/testsuite/synth/asgn01/tb_asgn03.vhdl
new file mode 100644
index 000000000..f4f474c41
--- /dev/null
+++ b/testsuite/synth/asgn01/tb_asgn03.vhdl
@@ -0,0 +1,39 @@
+entity tb_asgn03 is
+end tb_asgn03;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_asgn03 is
+  signal s0 : std_logic;
+  signal s1 : std_logic;
+  signal r  : std_logic_vector (2 downto 0);
+begin
+  dut: entity work.asgn03
+    port map (s0 => s0, s1 => s1, r => r);
+
+  process
+  begin
+    s0 <= '0';
+    s1 <= '0';
+    wait for 1 ns;
+    assert r = "000" severity failure;
+
+    s0 <= '0';
+    s1 <= '1';
+    wait for 1 ns;
+    assert r = "000" severity failure;
+
+    s0 <= '1';
+    s1 <= '0';
+    wait for 1 ns;
+    assert r = "010" severity failure;
+
+    s0 <= '1';
+    s1 <= '1';
+    wait for 1 ns;
+    assert r = "011" severity failure;
+
+    wait;
+  end process;
+end behav;