synth: add testcase for previous commit.

5 files changed, 114 insertions, 0 deletions

diff --git a/testsuite/synth/case01/case01.vhdl b/testsuite/synth/case01/case01.vhdl
new file mode 100644
index 000000000..f20e41cb5
--- /dev/null
+++ b/testsuite/synth/case01/case01.vhdl
@@ -0,0 +1,28 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity case01 is
+  port (a : std_logic_vector (4 downto 0);
+        o : out std_logic);
+end case01;
+
+architecture behav of case01 is
+begin
+  process (a)
+  begin
+    o <= '0';
+    case a is
+      when "00011" =>
+        o <= '1';
+      when "00110" | "00111" | "10001" =>
+        o <= '1';
+      when "00100" =>
+      when "01100" =>
+        o <= '1';
+      when "10000" =>
+        o <= '1';
+      when others =>
+        o <= '0';
+    end case;
+  end process;
+end behav;
diff --git a/testsuite/synth/case01/case02.vhdl b/testsuite/synth/case01/case02.vhdl
new file mode 100644
index 000000000..3c1b08cbd
--- /dev/null
+++ b/testsuite/synth/case01/case02.vhdl
@@ -0,0 +1,18 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity case02 is
+  port (a : std_logic_vector (4 downto 0);
+        o : out std_logic);
+end case02;
+
+architecture behav of case02 is
+begin
+  with a select o <=
+    '1' when "00011",
+    '1' when "00110" | "00111" | "10001",
+    '0' when "00100",
+    '1' when "01100",
+    '1' when "10000",
+    '0' when others;
+end behav;
diff --git a/testsuite/synth/case01/tb_case01.vhdl b/testsuite/synth/case01/tb_case01.vhdl
new file mode 100644
index 000000000..eb6bfa32b
--- /dev/null
+++ b/testsuite/synth/case01/tb_case01.vhdl
@@ -0,0 +1,26 @@
+entity tb_case01 is
+end tb_case01;
+
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+architecture behav of tb_case01 is
+  signal s : std_logic_vector (4 downto 0);
+  signal o : std_logic;
+begin
+  dut: entity work.case01
+    port map (s, o);
+
+  process
+    constant ov : std_logic_vector (0 to 31) :=
+      b"00010011000010001100000000000000";
+  begin
+    for i in ov'range loop
+      s <= std_logic_vector(to_unsigned(i, 5));
+      wait for 1 ns;
+      assert o = ov(i) severity failure;
+    end loop;
+    wait;
+  end process;
+end behav;
diff --git a/testsuite/synth/case01/tb_case02.vhdl b/testsuite/synth/case01/tb_case02.vhdl
new file mode 100644
index 000000000..06b4b0789
--- /dev/null
+++ b/testsuite/synth/case01/tb_case02.vhdl
@@ -0,0 +1,26 @@
+entity tb_case02 is
+end tb_case02;
+
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+architecture behav of tb_case02 is
+  signal s : std_logic_vector (4 downto 0);
+  signal o : std_logic;
+begin
+  dut: entity work.case02
+    port map (s, o);
+
+  process
+    constant ov : std_logic_vector (0 to 31) :=
+      b"00010011000010001100000000000000";
+  begin
+    for i in ov'range loop
+      s <= std_logic_vector(to_unsigned(i, 5));
+      wait for 1 ns;
+      assert o = ov(i) severity failure;
+    end loop;
+    wait;
+  end process;
+end behav;
diff --git a/testsuite/synth/case01/testsuite.sh b/testsuite/synth/case01/testsuite.sh
new file mode 100755
index 000000000..ecb19a503
--- /dev/null
+++ b/testsuite/synth/case01/testsuite.sh
@@ -0,0 +1,16 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+for t in case01 case02; 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"