Add a test for strncat

2 files changed, 17 insertions, 0 deletions

diff --git a/tests/Makefile b/tests/Makefile
index 11718cc..dcfe22e 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -19,6 +19,7 @@ TARGETS=test_memcpy_static_write     \
         test_strcpy_overwrite_over   \
         test_strcpy_overwrite_under  \
         test_strcpy_static_write     \
+        test_strncat_static_write    \
         test_strncpy_overwrite_over  \
         test_strncpy_overwrite_under \
         test_strncpy_static_write    \
diff --git a/tests/test_strncat_static_write.c b/tests/test_strncat_static_write.c
new file mode 100644
index 0000000..9332adc
--- /dev/null
+++ b/tests/test_strncat_static_write.c
@@ -0,0 +1,16 @@
+#include "common.h"
+
+#include <string.h>
+
+int main(int argc, char** argv) {
+  char buffer[8] = {0};
+  strncat(buffer, "1234567", 5);
+  puts(buffer);
+
+  CHK_FAIL_START
+  strncat(buffer, "1234567890", 10);
+  CHK_FAIL_END
+
+  puts(buffer);
+  return ret;
+}