convert: add tests

src/convert.c

@@ -0,0 +1,56 @@
+/**
+ * @file convert.c Conversion Testcode
+ *
+ * Copyright (C) 2022 Sebastian Reimers
+ */
+#include <re.h>
+#include "test.h"
+
+#define DEBUG_MODULE "testconvert"
+#define DEBUG_LEVEL 5
+#include <re_dbg.h>
+
+
+int test_try_into(void)
+{
+	int err = 0;
+	size_t size;
+	uint16_t u16 = 0;
+	int i;
+
+	/* Testing size_t -> uint16_t */
+	size = SIZE_MAX;
+	err  = try_into(u16, size);
+	TEST_EQUALS(ERANGE, err);
+
+	size = 5000;
+	err  = try_into(u16, size);
+	TEST_ERR(err);
+	TEST_EQUALS(size, u16);
+
+	size = SIZE_MAX;
+	err  = try_into(u16, size);
+	TEST_EQUALS(ERANGE, err);
+
+	/* Testing int -> uint16_t */
+	i   = INT_MAX;
+	err = try_into(u16, i);
+	TEST_EQUALS(ERANGE, err);
+
+	i   = -50;
+	err = try_into(u16, i);
+	TEST_EQUALS(ERANGE, err);
+
+	/* Testing size_t -> int */
+	size = SIZE_MAX;
+	err  = try_into(i, size);
+	TEST_EQUALS(ERANGE, err);
+
+	size = INT_MAX;
+	err  = try_into(i, size);
+	TEST_ERR(err);
+	TEST_EQUALS(INT_MAX, i);
+
+out:
+	return err;
+}

src/srcs.mk

@@ -11,6 +11,7 @@ SRCS	+= auresamp.c
 SRCS	+= base64.c
 SRCS	+= bfcp.c
 SRCS	+= conf.c
+SRCS	+= convert.c
 SRCS	+= crc32.c
 SRCS	+= dns.c
 SRCS	+= dsp.c

src/test.c

@@ -179,6 +179,7 @@ static const struct test tests[] = {
 	TEST(test_trice_candpair),
 	TEST(test_trice_checklist),
 	TEST(test_trice_loop),
+	TEST(test_try_into),
 	TEST(test_turn),
 	TEST(test_turn_tcp),
 	TEST(test_udp),

src/test.h

@@ -287,6 +287,7 @@ int test_tcp(void);
 int test_telev(void);
 int test_tmr_jiffies(void);
 int test_tmr_jiffies_usec(void);
+int test_try_into(void);
 int test_turn(void);
 int test_turn_tcp(void);
 int test_udp(void);