Add testcase for #1004.

1 files changed, 34 insertions, 0 deletions

diff --git a/testsuite/synth/issue1004/tb_test2.vhdl b/testsuite/synth/issue1004/tb_test2.vhdl
new file mode 100644
index 000000000..d13513f97
--- /dev/null
+++ b/testsuite/synth/issue1004/tb_test2.vhdl
@@ -0,0 +1,34 @@
+entity tb_test2 is
+end tb_test2;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_test2 is
+  signal addr : std_logic_vector(1 downto 0);
+  signal data : std_logic_vector(63 downto 0);
+begin
+  dut: entity work.test2
+    port map (addr, data);
+
+  process
+  begin
+    addr <= b"00";
+    wait for 1 ns;
+    assert data = x"0102030405060708" severity failure;
+
+    addr <= b"01";
+    wait for 1 ns;
+    assert data = x"1112131415161718" severity failure;
+
+    addr <= b"10";
+    wait for 1 ns;
+    assert data = x"2122232425262728" severity failure;
+
+    addr <= b"11";
+    wait for 1 ns;
+    assert data = x"0000000000000000" severity failure;
+
+    wait;
+  end process;
+end behav;