testsuite/gna: add a test for #2368

3 files changed, 68 insertions, 0 deletions

diff --git a/testsuite/gna/issue2368/matchent1.vhdl b/testsuite/gna/issue2368/matchent1.vhdl
new file mode 100644
index 000000000..5fe907965
--- /dev/null
+++ b/testsuite/gna/issue2368/matchent1.vhdl
@@ -0,0 +1,27 @@
+library ieee;
+use ieee.numeric_std.all;
+
+entity MatchEnt is
+  port (
+    A : in unsigned(4 downto 0);
+    B : in unsigned(4 downto 0);
+    XOUT : out unsigned(4 downto 0)
+  );
+end entity;
+
+architecture behavior of MatchEnt is
+begin
+  tester : process (A, B)
+  begin
+    case A is
+      when to_unsigned(17, 5) =>
+        XOUT <= A + 1;
+      when to_unsigned(21, 5) =>
+        XOUT <= A + B;
+      when to_unsigned(34, 5) =>
+        XOUT <= A - B;
+      when others =>
+        XOUT <= resize(A * B, 5);
+    end case;
+  end process;
+end architecture;
diff --git a/testsuite/gna/issue2368/matchent2.vhdl b/testsuite/gna/issue2368/matchent2.vhdl
new file mode 100644
index 000000000..9a5321a48
--- /dev/null
+++ b/testsuite/gna/issue2368/matchent2.vhdl
@@ -0,0 +1,30 @@
+library ieee;
+use ieee.numeric_std.all;
+
+entity MatchEnt is
+  port (
+    A : in unsigned(4 downto 0);
+    B : in unsigned(4 downto 0);
+    XOUT : out unsigned(4 downto 0)
+  );
+end entity;
+
+architecture behavior of MatchEnt is
+  constant K17 : unsigned(4 downto 0) := to_unsigned(17, 5);
+  constant K21 : unsigned(4 downto 0) := to_unsigned(21, 5);
+  constant K34 : unsigned(4 downto 0) := to_unsigned(34, 5);
+begin
+  tester : process (A, B)
+  begin
+    case A is
+      when K17 =>
+        XOUT <= A + 1;
+      when K21 =>
+        XOUT <= A + B;
+      when K34 =>
+        XOUT <= A - B;
+      when others =>
+        XOUT <= resize(A * B, 5);
+    end case;
+  end process;
+end architecture;
diff --git a/testsuite/gna/issue2368/testsuite.sh b/testsuite/gna/issue2368/testsuite.sh
new file mode 100755
index 000000000..4b42e420a
--- /dev/null
+++ b/testsuite/gna/issue2368/testsuite.sh
@@ -0,0 +1,11 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+export GHDL_STD_FLAGS=--std=08
+analyze matchent1.vhdl
+analyze matchent2.vhdl
+
+clean
+
+echo "Test successful"