testsuite/synth: add a test for inertial associations.

3 files changed, 63 insertions, 0 deletions

diff --git a/testsuite/synth/anon01/anon01.vhdl b/testsuite/synth/anon01/anon01.vhdl
new file mode 100644
index 000000000..892828073
--- /dev/null
+++ b/testsuite/synth/anon01/anon01.vhdl
@@ -0,0 +1,23 @@
+entity anon01_sub is
+  port (i : bit_vector (7 downto 0);
+        o : out bit_vector (7 downto 0));
+end anon01_sub;
+
+architecture behav of anon01_sub is
+begin
+  o <= i xor x"a5";
+end behav;
+
+entity anon01 is
+  port (i : bit_vector (6 downto 0);
+        o : out bit_vector (6 downto 0));
+end anon01;
+
+architecture behav of anon01 is
+  signal res : bit_vector (7 downto 0);
+begin
+  dut: entity work.anon01_sub
+    port map (i => '0' & i,
+              o => res);
+  o <= res (6 downto 0);
+end behav;
diff --git a/testsuite/synth/anon01/tb_anon01.vhdl b/testsuite/synth/anon01/tb_anon01.vhdl
new file mode 100644
index 000000000..88dc43939
--- /dev/null
+++ b/testsuite/synth/anon01/tb_anon01.vhdl
@@ -0,0 +1,22 @@
+entity tb_anon01 is
+end tb_anon01;
+
+architecture behav of tb_anon01 is
+  signal i, o : bit_vector(6 downto 0);
+begin
+  dut: entity work.anon01
+    port map (i, o);
+
+  process
+  begin
+    i <= b"000_0000";
+    wait for 1 ns;
+    assert o = b"010_0101" severity failure;
+
+    i <= b"111_1111";
+    wait for 1 ns;
+    assert o = b"101_1010" severity failure;
+
+    wait;
+  end process;
+end behav;
diff --git a/testsuite/synth/anon01/testsuite.sh b/testsuite/synth/anon01/testsuite.sh
new file mode 100755
index 000000000..254a334d6
--- /dev/null
+++ b/testsuite/synth/anon01/testsuite.sh
@@ -0,0 +1,18 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+GHDL_STD_FLAGS=--std=08
+
+for t in anon01; 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 --ieee-asserts=disable-at-0
+    clean
+done
+
+echo "Test successful"