72 lines
2.3 KiB
VHDL
72 lines
2.3 KiB
VHDL
library ieee;
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use ieee.std_logic_1164.all;
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use ieee.numeric_std.all;
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use ieee.float_pkg.all;
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library std;
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use std.textio.all;
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package test_utility is
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constant TEST_FAIL : string := "[ FAIL ]";
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constant TEST_OK : string := "[ OK ]" & LF;
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type real_array is array ( natural range <> ) of real;
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procedure assert_eq( variable a : in std_logic_vector; variable b : in std_logic_vector );
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procedure assert_near( variable a : in real;
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variable b : in real;
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variable abs_err : in real );
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procedure assert_element_near( variable a : in real;
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variable b : in real;
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variable abs_err : in real;
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variable index : in integer );
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end package test_utility;
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package body test_utility is
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procedure assert_eq( variable a : in std_logic_vector; variable b : in std_logic_vector ) is
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begin
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assert( a = b )
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report TEST_FAIL & "assert_eq" & LF &
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" a: " & to_string( a ) & LF &
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" b: " & to_string( b ) & LF
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severity error;
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end procedure assert_eq;
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procedure assert_near( variable a : in real;
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variable b : in real;
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variable abs_err : in real ) is
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variable abs_diff : real;
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begin
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abs_diff := abs( a - b );
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assert( abs_diff <= abs_err )
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report TEST_FAIL & "assert_near" & LF &
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" a: " & to_string( a ) & LF &
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" b: " & to_string( b ) & LF &
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" " & to_string( abs_diff ) & " > " & to_string( abs_err ) & LF
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severity error;
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end procedure assert_near;
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procedure assert_element_near( variable a : in real;
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variable b : in real;
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variable abs_err : in real;
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variable index : in integer ) is
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variable abs_diff : real;
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begin
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abs_diff := abs( a - b );
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assert( abs_diff <= abs_err )
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report TEST_FAIL & "assert_element_near" & LF &
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" element: " & integer'image( index ) & LF &
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" a: " & to_string( a ) & LF &
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" b: " & to_string( b ) & LF &
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" " & to_string( abs_diff ) & " > " & to_string( abs_err ) & LF
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severity error;
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end procedure assert_element_near;
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end package body test_utility;
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