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ULib/tests/base/test_sprintf.c
stefanocasazza 877766b00d bug fixing
2015-07-10 19:16:37 +02:00

349 lines
9.5 KiB
C
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/* test_sprintf.c */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ulib/base/base.h>
#ifndef __MINGW32__
# include <sys/uio.h>
#endif
static char ubuffer[4096];
static struct iovec iov[] = { { 0, 0 }, { (caddr_t)"\n", 1 } };
#define puts(s) (iov[0].iov_base = (caddr_t)s, iov[0].iov_len = strlen(s), writev(STDOUT_FILENO,iov,2))
#define fputs(s,o) write(STDOUT_FILENO,s,strlen(s))
#define printf(fmt,args...) write(STDOUT_FILENO,ubuffer,u__snprintf(ubuffer,sizeof(ubuffer),fmt,args))
#include <float.h>
#include <limits.h>
static int result = 0;
static void rfg1(void);
static void rfg2(void);
static void fmtchk(const char* fmt)
{
(void) fputs(fmt, stdout);
(void) printf(":\t`",0);
(void) printf(fmt, 0x12);
(void) printf("'\n",0);
}
static void fmtst1chk(const char* fmt)
{
(void) fputs(fmt, stdout);
(void) printf(":\t`",0);
(void) printf(fmt, 4, 0x12);
(void) printf("'\n",0);
}
static void fmtst2chk(const char* fmt)
{
(void) fputs(fmt, stdout);
(void) printf(":\t`",0);
(void) printf(fmt, 4, 4, 0x12);
(void) printf("'\n",0);
}
/*
* Extracted from exercise.c for glibc-1.05 bug report by Bruce Evans.
*/
#define DEC -123
#define INT 255
#define UNS (~0)
/* Formatted Output Test
*
* This exercises the output formatting code.
*/
static void fp_test(void)
{
int i, j, k, l;
char buf[7];
char *prefix = buf;
char tp[20];
puts("\nFormatted output test");
printf("prefix 6d 6o 6x 6X 6u\n",0);
strcpy(prefix, "%");
for (i = 0; i < 2; i++)
{
for (j = 0; j < 2; j++)
{
for (k = 0; k < 2; k++)
{
for (l = 0; l < 2; l++)
{
strcpy(prefix, "%");
if (i == 0) strcat(prefix, "-");
if (j == 0) strcat(prefix, "+");
if (k == 0) strcat(prefix, "#");
if (l == 0) strcat(prefix, "0");
printf("%5s |", prefix);
strcpy(tp, prefix);
strcat(tp, "6d |");
printf(tp, DEC);
strcpy(tp, prefix);
strcat(tp, "6o |");
printf(tp, INT);
strcpy(tp, prefix);
strcat(tp, "6x |");
printf(tp, INT);
strcpy(tp, prefix);
strcat(tp, "6X |");
printf(tp, INT);
strcpy(tp, prefix);
strcat(tp, "6u |");
printf(tp, UNS);
printf("\n",0);
}
}
}
}
printf("%10s\n", (char*) NULL);
printf("%-10s\n", (char*) NULL);
}
static void test1(void)
{
double d = FLT_MIN;
int niter = 17;
while (niter-- != 0) printf("%.17e\n", d / 2);
}
static void test2(void)
{
char buf[50];
char buf2[1024];
size_t n = u__snprintf(buf, sizeof (buf), "%30s", "foo");
printf("snprintf (\"%%30s\", \"foo\") == %d, \"%.*s\"\n", n, n, buf);
n = u__snprintf(buf2, sizeof(buf2) - 10, "%.999u", 10);
printf("snprintf (\"%%.999u\", 10) = %d\n", n);
}
static void test3(void)
{
double x=1.0;
char buf[200];
const char* tmp;
printf("%.17f\n",(1.0/x/10.0+1.0)*x-x);
u__snprintf(buf,sizeof(buf),"%*s%*s%*s",-1,"one",-20,"two",-30,"three");
result |= strcmp(buf, "onetwo three ");
tmp = (result != 0 ? "Test failed!" : "Test ok.");
puts (tmp);
u__snprintf(buf,sizeof(buf), "%07llo", 040000000000ll);
printf("sprintf (buf, \"%%07llo\", 040000000000ll) = %s", buf);
if (strcmp(buf, "40000000000") != 0)
{
result = 1;
fputs("\tFAILED", stdout);
}
puts("");
}
static void test4(void)
{
/*
#if !defined(SOLARIS) && !defined(MACOSX)
char bytes[7];
char buf[20];
memset (bytes, '\xff', sizeof bytes);
u__snprintf(buf,sizeof(buf), "foo%hn\n", &bytes[3]);
if (bytes[0] != '\xff' || bytes[1] != '\xff' || bytes[2] != '\xff' ||
bytes[5] != '\xff' || bytes[6] != '\xff')
{
puts ("%hn overwrite more bytes");
result = 1;
}
if (bytes[3] != 3)
{
puts ("%hn wrote incorrect value");
result = 1;
}
#endif
*/
}
int main(int argc, char *argv[])
{
static char shortstr[] = "Hi, Z.";
static char longstr[] = "Good morning, Doctor Chandra. This is Hal. \
I am ready for my first lesson today.";
/*
char buffer[11];
uint32_t written = u__snprintf(buffer, 10, "%ld", 3821975508); // u_now->tv_sec
U_INTERNAL_ASSERT_EQUALS(written, 10)
U_INTERNAL_ASSERT_EQUALS(strncmp(buffer, "3821975508", 10), 0)
*/
fmtchk("%.4x");
fmtchk("%04x");
fmtchk("%4.4x");
fmtchk("%04.4x");
fmtchk("%4.3x");
fmtchk("%04.3x");
fmtst1chk("%.*x");
fmtst1chk("%0*x");
fmtst2chk("%*.*x");
fmtst2chk("%0*.*x");
printf("bad format:\t\"%K\"\n",0);
printf("nil pointer (padded):\t\"%10p\"\n", (void *) NULL);
printf("decimal negative:\t\"%d\"\n", -2345);
printf("octal negative:\t\"%o\"\n", -2345);
printf("hex negative:\t\"%x\"\n", -2345);
printf("long decimal number:\t\"%ld\"\n", -123456L);
// printf("long octal negative:\t\"%lo\"\n", -2345L);
// printf("long unsigned decimal number:\t\"%lu\"\n", -123456L);
printf("zero-padded LDN:\t\"%010ld\"\n", -123456L);
// printf("left-adjusted ZLDN:\t\"%-010ld\"\n", -123456);
printf("space-padded LDN:\t\"%10ld\"\n", -123456L);
printf("left-adjusted SLDN:\t\"%-10ld\"\n", -123456L);
printf("zero-padded string:\t\"%010s\"\n", shortstr);
printf("left-adjusted Z string:\t\"%-010s\"\n", shortstr);
printf("space-padded string:\t\"%10s\"\n", shortstr);
printf("left-adjusted S string:\t\"%-10s\"\n", shortstr);
printf("null string:\t\"%s\"\n", (char *)NULL);
printf("limited string:\t\"%.22s\"\n", longstr);
printf("e-style >= 1:\t\"%e\"\n", 12.34);
printf("e-style >= .1:\t\"%e\"\n", 0.1234);
printf("e-style < .1:\t\"%e\"\n", 0.001234);
printf("e-style big:\t\"%.60e\"\n", 1e20);
printf("e-style == .1:\t\"%e\"\n", 0.1);
printf("f-style >= 1:\t\"%f\"\n", 12.34);
printf("f-style >= .1:\t\"%f\"\n", 0.1234);
printf("f-style < .1:\t\"%f\"\n", 0.001234);
printf("g-style >= 1:\t\"%g\"\n", 12.34);
printf("g-style >= .1:\t\"%g\"\n", 0.1234);
printf("g-style < .1:\t\"%g\"\n", 0.001234);
printf("g-style big:\t\"%.60g\"\n", 1e20);
printf(" %6.5f\n", .099999999860301614);
printf(" %6.5f\n", .1);
printf("x%5.4fx\n", .5);
printf("%#03x\n", 1);
printf("something really insane: %.100f\n", 1.0);
test1();
printf("%15.5e\n", 4.9406564584124654e-324);
#define FORMAT "| %12.4f | %12.4e | %12.4g |\n"
printf(FORMAT, 0.0, 0.0, 0.0);
printf(FORMAT, 1.0, 1.0, 1.0);
printf(FORMAT, -1.0, -1.0, -1.0);
printf(FORMAT, 100.0, 100.0, 100.0);
printf(FORMAT, 1000.0, 1000.0, 1000.0);
printf(FORMAT, 10000.0, 10000.0, 10000.0);
printf(FORMAT, 12345.0, 12345.0, 12345.0);
printf(FORMAT, 100000.0, 100000.0, 100000.0);
printf(FORMAT, 123456.0, 123456.0, 123456.0);
#undef FORMAT
test2();
fp_test();
// printf("%e should be 1.234568e+06\n", 1234567.8);
printf("%f should be 1234567.800000\n", 1234567.8);
// printf("%g should be 1.23457e+06\n", 1234567.8);
printf("%g should be 123.456\n", 123.456);
// printf("%g should be 1e+06\n", 1000000.0);
printf("%g should be 10\n", 10.0);
printf("%g should be 0.02\n", 0.02);
test3();
printf("printf (\"%%c\", %u) = %c\n", UCHAR_MAX + 2, UCHAR_MAX + 2);
printf("printf (\"%%hu\", %u) = %hu\n", USHRT_MAX + 2, USHRT_MAX + 2);
puts("--- Should be no further output. ---");
rfg1();
rfg2();
test4();
return (result != 0);
}
static void rfg1(void)
{
char buf[100];
u__snprintf(buf,sizeof(buf), "%5.s", "xyz");
if (strcmp (buf, " ") != 0) printf ("got: '%s', expected: '%s'\n", buf, " ");
u__snprintf(buf,sizeof(buf), "%5.f", 33.3);
if (strcmp (buf, " 33") != 0) printf ("got: '%s', expected: '%s'\n", buf, " 33");
// u__snprintf(buf,sizeof(buf), "%8.e", 33.3e7);
// if (strcmp (buf, " 3e+08") != 0) printf ("got: '%s', expected: '%s'\n", buf, " 3e+08");
// u__snprintf(buf,sizeof(buf), "%8.E", 33.3e7);
// if (strcmp (buf, " 3E+08") != 0) printf ("got: '%s', expected: '%s'\n", buf, " 3E+08");
// u__snprintf(buf,sizeof(buf), "%.g", 33.3);
// if (strcmp (buf, "3e+01") != 0) printf ("got: '%s', expected: '%s'\n", buf, "3e+01");
// u__snprintf(buf,sizeof(buf), "%.G", 33.3);
// if (strcmp (buf, "3E+01") != 0) printf ("got: '%s', expected: '%s'\n", buf, "3E+01");
}
static void rfg2(void)
{
int prec;
char buf[100];
prec = 0;
u__snprintf(buf,sizeof(buf), "%.*g", prec, 3.3);
if (strcmp (buf, "3") != 0)
printf ("got: '%s', expected: '%s'\n", buf, "3");
prec = 0;
u__snprintf(buf,sizeof(buf), "%.*G", prec, 3.3);
if (strcmp (buf, "3") != 0)
printf ("got: '%s', expected: '%s'\n", buf, "3");
prec = 0;
u__snprintf(buf,sizeof(buf), "%7.*G", prec, 3.33);
if (strcmp (buf, " 3") != 0)
printf ("got: '%s', expected: '%s'\n", buf, " 3");
prec = 3;
u__snprintf(buf,sizeof(buf), "%04.*o", prec, 33);
if (strcmp (buf, " 041") != 0)
printf ("got: '%s', expected: '%s'\n", buf, " 041");
prec = 7;
u__snprintf(buf,sizeof(buf), "%09.*u", prec, 33);
if (strcmp (buf, " 0000033") != 0)
printf ("got: '%s', expected: '%s'\n", buf, " 0000033");
prec = 3;
u__snprintf(buf,sizeof(buf), "%04.*x", prec, 33);
if (strcmp (buf, " 021") != 0)
printf ("got: '%s', expected: '%s'\n", buf, " 021");
prec = 3;
u__snprintf(buf,sizeof(buf), "%04.*X", prec, 33);
if (strcmp (buf, " 021") != 0)
printf ("got: '%s', expected: '%s'\n", buf, " 021");
}
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