synth: add a test for concatenation.

3 files changed, 62 insertions, 0 deletions

diff --git a/testsuite/synth/concat01/concat01.vhdl b/testsuite/synth/concat01/concat01.vhdl
new file mode 100644
index 000000000..3fe968616
--- /dev/null
+++ b/testsuite/synth/concat01/concat01.vhdl
@@ -0,0 +1,12 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity concat01 is
+  port (a, b : in std_logic;
+        z : out std_logic_vector(1 downto 0));
+end concat01;
+
+architecture behav of concat01 is
+begin
+  z <= a & b;
+end behav;
diff --git a/testsuite/synth/concat01/tb_concat01.vhdl b/testsuite/synth/concat01/tb_concat01.vhdl
new file mode 100644
index 000000000..2709328f0
--- /dev/null
+++ b/testsuite/synth/concat01/tb_concat01.vhdl
@@ -0,0 +1,34 @@
+entity tb_concat01 is
+end tb_concat01;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_concat01 is
+  signal a : std_logic;
+  signal b : std_logic;
+  signal z : std_logic_vector(1 downto 0);
+begin
+  dut: entity work.concat01
+    port map (a, b, z);
+
+  process
+  begin
+    a <= '0';
+    b <= '1';
+    wait for 1 ns;
+    assert z = "01" severity failure;
+
+    a <= '1';
+    b <= '1';
+    wait for 1 ns;
+    assert z = "11" severity failure;
+
+    a <= '1';
+    b <= '0';
+    wait for 1 ns;
+    assert z = "10" severity failure;
+
+    wait;
+  end process;
+end behav;
diff --git a/testsuite/synth/concat01/testsuite.sh b/testsuite/synth/concat01/testsuite.sh
new file mode 100755
index 000000000..083547e63
--- /dev/null
+++ b/testsuite/synth/concat01/testsuite.sh
@@ -0,0 +1,16 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+for t in concat01; do
+    analyze $t.vhdl tb_$t.vhdl
+    elab_simulate tb_$t
+    clean
+
+    synth $t.vhdl -e $t > syn_$t.vhdl
+    analyze syn_$t.vhdl tb_$t.vhdl
+    elab_simulate tb_$t
+    clean
+done
+
+echo "Test successful"