testsuite/synth: add if01

1 files changed, 38 insertions, 0 deletions

diff --git a/testsuite/synth/if01/tb_if01.vhdl b/testsuite/synth/if01/tb_if01.vhdl
new file mode 100644
index 000000000..2c608137d
--- /dev/null
+++ b/testsuite/synth/if01/tb_if01.vhdl
@@ -0,0 +1,38 @@
+entity tb_if01 is
+end tb_if01;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_if01 is
+  signal c0, c1 : std_logic;
+  signal r : std_logic;
+begin
+  dut: entity work.if01
+    port map (c0, c1, r);
+
+  process
+  begin
+    c0 <= '1';
+    c1 <= '0';
+    wait for 1 ns;
+    assert r = '0' severity failure;
+
+    c0 <= '0';
+    c1 <= '0';
+    wait for 1 ns;
+    assert r = '0' severity failure;
+
+    c0 <= '1';
+    c1 <= '1';
+    wait for 1 ns;
+    assert r = '1' severity failure;
+
+    c0 <= '0';
+    c1 <= '1';
+    wait for 1 ns;
+    assert r = '0' severity failure;
+
+    wait;
+  end process;
+end behav;