hier_func_test.cpp

/*
 * Copyright 2021 Xilinx, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "hier_func.h"

int main() {
	// Data storage
	int a[NUM_TRANS], b[NUM_TRANS];
	int c_expected[NUM_TRANS], d_expected[NUM_TRANS];
	int c[NUM_TRANS], d[NUM_TRANS];
	
	//Function data (to/from function)
	int a_actual, b_actual;
	int c_actual, d_actual;
	
	// Misc
	int	retval=0, i, i_trans, tmp;
	FILE *fp;

	// Load input data from files
	fp=fopen("tb_data/inA.dat","r");
	for (i=0; i<NUM_TRANS; i++){
		fscanf(fp, "%d", &tmp);
		a[i] = tmp;
	} 
	fclose(fp);

	fp=fopen("tb_data/inB.dat","r");
	for (i=0; i<NUM_TRANS; i++){
		fscanf(fp, "%d", &tmp);
		b[i] = tmp;
	} 
	fclose(fp);

	// Execute the function multiple times (multiple transactions)
	for(i_trans=0; i_trans<NUM_TRANS-1; i_trans++){
		
		//Apply next data values
		a_actual = a[i_trans];
		b_actual = b[i_trans];
		
    hier_func(a_actual, b_actual, &c_actual, &d_actual);
    
    //Store outputs
			c[i_trans] = c_actual;
			d[i_trans] = d_actual;
	}
	
	// Load expected output data from files
	fp=fopen("tb_data/outC.golden.dat","r");
	for (i=0; i<NUM_TRANS; i++){
		fscanf(fp, "%d", &tmp);
		c_expected[i] = tmp;
	} 
	fclose(fp);

	fp=fopen("tb_data/outD.golden.dat","r");
	for (i=0; i<NUM_TRANS; i++){
		fscanf(fp, "%d", &tmp);
		d_expected[i] = tmp;
	} 
	fclose(fp);
	
	// Check outputs against expected
	for (i = 0; i < NUM_TRANS-1; ++i) {
		if(c[i] != c_expected[i]){
			retval = 1;
		}
		if(d[i] != d_expected[i]){
			retval = 1;
		}
	}

	// Print Results		
	if(retval == 0){
		printf("    *** *** *** *** \n"); 
		printf("    Results are good \n"); 
		printf("    *** *** *** *** \n"); 
	} else {
		printf("    *** *** *** *** \n"); 
		printf("    Mismatch: retval=%d \n", retval); 
		printf("    *** *** *** *** \n"); 
	}

	// Return 0 if outputs are correct
	return retval;
}