From ec614a7e3bc846cf9d3477303901759609c8f12f Mon Sep 17 00:00:00 2001
From: Eugene Crosser <crosser@average.org>
Date: Thu, 31 Oct 2013 17:44:22 +0400
Subject: [PATCH] add test for serializer

---
 Makefile.am   |  5 +++--
 serial.c      |  1 +
 test_serial.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 62 insertions(+), 2 deletions(-)
 create mode 100644 test_serial.c

diff --git a/Makefile.am b/Makefile.am
index 3559ca1..850b33d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -15,10 +15,11 @@ lib_LTLIBRARIES = pam_pcsc_cr.la
 pam_pcsc_cr_la_LDFLAGS = -module -avoid-version
 pam_pcsc_cr_la_LIBADD = libpcsc_cr.la
 
-check_PROGRAMS = test_crypto test_chalresp
+check_PROGRAMS = test_serial test_crypto test_chalresp
+test_serial_LDADD = libpcsc_cr.la
 test_crypto_LDADD = libpcsc_cr.la
 test_chalresp_LDADD = libpcsc_cr.la
 
 EXTRA_DIST = autogen.sh
 
-TESTS = test_crypto test_chalresp
+TESTS = test_serial test_crypto test_chalresp
diff --git a/serial.c b/serial.c
index 0719746..6bce59e 100644
--- a/serial.c
+++ b/serial.c
@@ -8,6 +8,7 @@ int serial_init(serializer_t *srl, void *buffer, int size)
 {
 	srl->buffer = srl->cursor = buffer;
 	srl->bufsize = size;
+	return 0;
 }
 
 int serial_switch(serializer_t *srl, void *buffer, int size)
diff --git a/test_serial.c b/test_serial.c
new file mode 100644
index 0000000..b9d5e4b
--- /dev/null
+++ b/test_serial.c
@@ -0,0 +1,58 @@
+#include <stdio.h>
+#include <string.h>
+#include "serial.h"
+
+int main(int argc, char *argv[])
+{
+	char *in[] = {
+		"My",
+		"Little",
+		"Pony",
+		NULL,
+	};
+	char buffer[256];
+	int i, rc;
+	serializer_t srl;
+
+	if ((rc = serial_init(&srl, buffer, sizeof(buffer)))) {
+		printf("serial_init rc=%d\n", rc);
+		return 1;
+	}
+	for (i = 0; in[i]; i++) {
+		int size = strlen(in[i]);
+		if ((rc = serial_put(&srl, in[i], size)) != size) {
+			printf("serial_put(..., \"%s\", %d) = %d\n",
+				in[i], size, rc);
+			return 1;
+		}
+	}
+	if ((rc = serial_put(&srl, NULL, 0)) != 0) {
+		printf("serial_put(..., NULL, 0) = %d\n", rc);
+		return 1;
+	}
+	printf("serialized size=%d\n", serial_size(&srl));
+	if ((rc = serial_init(&srl, buffer, sizeof(buffer)))) {
+		printf("second serial_init rc=%d\n", rc);
+		return 1;
+	}
+	for (i = 0; i < 4; i++) {
+		char item[32];
+		memset(item, 0, sizeof(item));
+		int size = serial_get(&srl, item, sizeof(item));
+		if (size > sizeof(item)) {
+			printf("serial_get(..., item, %d) = %d\n",
+				(int)sizeof(item), size);
+			rc = 1;
+		} else if (size == 0) {
+			printf("serial_get(...) = 0\n");
+		} else {
+			printf("serial_get(...) = %d: \"%s\"\n", size, item);
+			if (memcmp(in[i], item, size)) {
+				printf("\"%s\" != \"%s\" (%d)\n",
+					in[i], item, size);
+				rc = 1;
+			}
+		}
+	}
+	return rc;
+}
-- 
2.39.2