testsuite/synth: add a test for #2279

1 files changed, 29 insertions, 0 deletions

diff --git a/testsuite/synth/issue2279/tb_aggr1.vhdl b/testsuite/synth/issue2279/tb_aggr1.vhdl
new file mode 100644
index 000000000..60ba4c559
--- /dev/null
+++ b/testsuite/synth/issue2279/tb_aggr1.vhdl
@@ -0,0 +1,29 @@
+entity tb_aggr1 is
+end tb_aggr1;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_aggr1 is
+  signal a : std_logic_vector(7 downto 0);
+  signal b : std_logic;
+  signal c : std_logic_vector(8 downto 0);
+begin
+  dut: entity work.aggr1
+    port map (a, b, c);
+
+  process
+  begin
+    c <= b"1_1100_0011";
+    wait for 1 ns;
+    assert a = x"e1" severity failure;
+    assert b = '1' severity failure;
+
+    c <= b"0_1100_0100";
+    wait for 1 ns;
+    assert a = x"62" severity failure;
+    assert b = '0' severity failure;
+
+    wait;
+  end process;
+end behav;