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authorTristan Gingold <tgingold@free.fr>2019-07-21 06:59:02 +0200
committerTristan Gingold <tgingold@free.fr>2019-07-22 07:32:56 +0200
commit666522908fb607d867c0bfff49a3b042d7f64314 (patch)
tree2931b9f1432777ccfbfa01beab70087e557a8cba /testsuite/gna
parent44a19c532ebbfeb212d6e60ceb280526eb88f078 (diff)
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vhdl: add testcase.
Close #875
Diffstat (limited to 'testsuite/gna')
-rw-r--r--testsuite/gna/issue875/test.vhdl84
-rwxr-xr-xtestsuite/gna/issue875/testsuite.sh9
2 files changed, 93 insertions, 0 deletions
diff --git a/testsuite/gna/issue875/test.vhdl b/testsuite/gna/issue875/test.vhdl
new file mode 100644
index 000000000..bdbf63660
--- /dev/null
+++ b/testsuite/gna/issue875/test.vhdl
@@ -0,0 +1,84 @@
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+use STD.textio.all;
+use ieee.std_logic_textio.all;
+
+entity example_file_io_tb is
+end example_file_io_tb;
+
+architecture behave of example_file_io_tb is
+
+ ------------------------------------------------------------------------------
+ -- Declare the Component under Test
+ ------------------------------------------------------------------------------
+ component module_ripple_carrier_adder is
+ generic (
+ g_WIDTH: natural);
+ port (
+ i_add_term1 : in std_logic_vector(g_WIDTH-1 downto 0);
+ i_add_term2 : in std_logic_vector(g_WIDTH-1 downto 0);
+ o_result : out std_logic_vector(g_WIDTH downto 0);
+ );
+ end component module_ripple_carrier_adder;
+
+ ------------------------------------------------------------------------------
+ -- Testbench Internal Signals
+ ------------------------------------------------------------------------------
+ file file_VECTOR : text;
+ file file_RESULT: text;
+
+ constant c_WIDTH : natural := 4;
+
+ signal r_ADD_TERM1 : std_logic_vector(c_WIDTH-1 downto 0) := (others => '0');
+ signal r_ADD_TERM2 : std_logic_vector(c_WIDTH-1 downto 0) := (others => '0');
+ signal w_SUM : std_logic_vector(c_WIDTH downto 0);
+
+begin
+ ------------------------------------------------------------------------------
+ -- Instantiate and Map UUT
+ ------------------------------------------------------------------------------
+ MODULE_RIPPLE_CARRY_ADDER_INST : module_ripple_carry_adder
+ generic map (
+ g_WIDTH => c_WIDTH)
+ port map (
+ i_addr_term1 => r_ADD_TERM1,
+ i_addr_term2 => r_ADD_TERM2,
+ o_result => w_SUM
+ );
+
+ ------------------------------------------------------------------------------
+ -- This procedure reads the file input_vectors.txt which is located in the
+ -- simulation project area.
+ -- It will read the data in and send it to the ripple carry adder component
+ -- to perform the operations. The result is written to the
+ -- output_results.txt file, located in the same directory.
+ ------------------------------------------------------------------------------
+
+ begin
+ file_open(file_VECTORS, "input_vectors.txt", read_mode);
+ file_open(file_RESULTS, "output_results.txt", write_mode);
+
+ while not endfile(file_VECTORS) loop
+ readline(file_VECTORS, v_ILINE);
+ read(v_ILINE, v_ADD_TERM1);
+ read(v_ILINE, v_SPACE);
+ read(v_ILINE, V_ADD_TERM2);
+
+ -- Pass the variable to a signal to allow the ripple-carry to use it
+ r_ADD_TERM1 <= v_ADD_TERM1;
+ r_ADD_TERM2 <= v_ADD_TERM2;
+
+ wait for 60 ns;
+
+ write(v_OLINE, w_SUM, right, c_WIDTH);
+ writeline(file_RESULTS, v_OLINE);
+ end loop;
+
+ file_close(file_VECTORS);
+ file_close(file_RESULTS);
+
+ wait;
+ end process;
+
+end behave;
diff --git a/testsuite/gna/issue875/testsuite.sh b/testsuite/gna/issue875/testsuite.sh
new file mode 100755
index 000000000..8e20eb85f
--- /dev/null
+++ b/testsuite/gna/issue875/testsuite.sh
@@ -0,0 +1,9 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+analyze_failure test.vhdl
+
+clean
+
+echo "Test successful"