1 files changed, 31 insertions, 0 deletions
diff --git a/testsuite/synth/issue2169/tb_mul.vhdl b/testsuite/synth/issue2169/tb_mul.vhdl
new file mode 100644
index 000000000..999d1a05f
--- /dev/null
+++ b/testsuite/synth/issue2169/tb_mul.vhdl
@@ -0,0 +1,31 @@
+library IEEE;
+use IEEE.std_logic_1164.all;
+use IEEE.numeric_std.all;
+
+entity tb_mul is
+end entity;
+
+architecture tb of tb_mul is
+	signal a : unsigned( 7 downto 0);
+	signal b : unsigned(15 downto 0);
+	signal r : unsigned(23 downto 0);
+begin
+	
+	u0 : entity work.mul
+	port map(
+		a => a,
+		b => b,
+		r => r
+	);
+	
+	process
+	begin
+		a <= to_unsigned(243,8);
+		b <= to_unsigned(34560,16);
+		wait for 1 ns;
+		report integer'image(to_integer(r));
+		assert r = to_unsigned(8398080, 24);
+		wait;
+	end process;
+
+end architecture;