add error return for tests

1 files changed, 5 insertions, 5 deletions

diff --git a/tests/write_read.cpp b/tests/write_read.cpp
index 387b58a..74a94ce 100644
--- a/tests/write_read.cpp
+++ b/tests/write_read.cpp
@@ -3,6 +3,7 @@
 #include "Vsimtop.h"
 
 Vsimtop *sim;
+int return_value = 0;
 
 #ifdef SPI_MASTER_SS
 # define SET_SS(mod, v)
@@ -55,26 +56,25 @@ static void test_cross_transfer(unsigned m2s, unsigned s2m) {
 
 	if (sim->err) {
 		printf("slave error\n");
+		return_value = 1;
 	}
 
 #ifndef SPI_MASTER_NO_WRITE
 	if (sim->master_to_slave != sim->from_master) {
 		printf("(m2s) %lx != %lx\n", sim->master_to_slave, sim->from_master);
+		return_value = 1;
 	}
 #endif
 
 #ifndef SPI_MASTER_NO_READ
 	if (sim->slave_to_master != sim->from_slave) {
 		printf("(m2s) %lx != %lx\n", sim->slave_to_master, sim->from_slave);
+		return_value = 1;
 	}
 #endif
-
 }
 
 int main(int argc, char **argv) {
-	int r = 0;
-	(void)r;
-
 	Verilated::commandArgs(argc, argv);
 	Verilated::traceEverOn(true);
 
@@ -95,5 +95,5 @@ int main(int argc, char **argv) {
 
 	sim->final();
 	delete sim;
-	return r;
+	return return_value;
 }