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/* $NetBSD: sbprintf.c,v 1.2 2020/05/25 20:47:36 christos Exp $ */
#include "config.h"
#include "ntp_stdlib.h"
#include "unity.h"
#include <errno.h>
extern void test_NullBuf1(void);
void test_NullBuf1(void)
{
int rc = xsbprintf(NULL, NULL, "blah");
TEST_ASSERT(rc == -1 && errno == EINVAL);
}
extern void test_NullBuf2(void);
void test_NullBuf2(void)
{
char *bp = NULL;
int rc = xsbprintf(&bp, NULL, "blah");
TEST_ASSERT(rc == -1 && errno == EINVAL);
TEST_ASSERT_EQUAL_PTR(bp, NULL);
}
extern void test_EndBeyond(void);
void test_EndBeyond(void)
{
char ba[2];
char *bp = ba + 1;
char *ep = ba;
int rc = xsbprintf(&bp, ep, "blah");
TEST_ASSERT(rc == -1 && errno == EINVAL);
}
extern void test_SmallBuf(void);
void test_SmallBuf(void)
{
char ba[4];
char *bp = ba;
char *ep = ba + sizeof(ba);
int rc = xsbprintf(&bp, ep, "1234");
TEST_ASSERT(rc == 0 && strlen(ba) == 0);
TEST_ASSERT_EQUAL_PTR(bp, ba);
}
extern void test_MatchBuf(void);
void test_MatchBuf(void)
{
char ba[5];
char *bp = ba;
char *ep = ba + sizeof(ba);
int rc = xsbprintf(&bp, ep, "1234");
TEST_ASSERT(rc == 4 && strlen(ba) == 4);
TEST_ASSERT_EQUAL_PTR(bp, ba + 4);
}
extern void test_BigBuf(void);
void test_BigBuf(void)
{
char ba[10];
char *bp = ba;
char *ep = ba + sizeof(ba);
int rc = xsbprintf(&bp, ep, "1234");
TEST_ASSERT(rc == 4 && strlen(ba) == 4);
TEST_ASSERT_EQUAL_PTR(bp, ba + 4);
}
extern void test_SimpleArgs(void);
void test_SimpleArgs(void)
{
char ba[10];
char *bp = ba;
char *ep = ba + sizeof(ba);
int rc = xsbprintf(&bp, ep, "%d%d%d%d", 1, 2, 3, 4);
TEST_ASSERT(rc == 4 && strlen(ba) == 4);
TEST_ASSERT_EQUAL_PTR(bp, ba + 4);
TEST_ASSERT_FALSE(strcmp(ba, "1234"));
}
extern void test_Increment1(void);
void test_Increment1(void)
{
char ba[10];
char *bp = ba;
char *ep = ba + sizeof(ba);
int rc;
rc = xsbprintf(&bp, ep, "%d%d%d%d", 1, 2, 3, 4);
TEST_ASSERT(rc == 4 && strlen(ba) == 4);
TEST_ASSERT_EQUAL_PTR(bp, ba + 4);
rc = xsbprintf(&bp, ep, "%s", "frob");
TEST_ASSERT(rc == 4 && strlen(ba) == 8);
TEST_ASSERT_EQUAL_PTR(bp, ba + 8);
TEST_ASSERT_FALSE(strcmp(ba, "1234frob"));
}
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