CS代考计算机代写 /* Test program for printf() in lib/stdio.c.

/* Test program for printf() in lib/stdio.c.

Attempts to test printf() functionality that is not
sufficiently tested elsewhere in Pintos.

This is not a test we will run on your submitted projects.
It is here for completeness.
*/

#undef NDEBUG
#include #include
#include
#include
#include
#include
#include “threads/test.h”

/* Number of failures so far. */
static int failure_cnt;

static void
checkf (const char *expect, const char *format, …)
{
char output[128];
va_list args;

printf (“”%s” -> ”%s”: “, format, expect);

va_start (args, format);
vsnprintf (output, sizeof output, format, args);
va_end (args);

if (strcmp (expect, output))
{
printf (“
FAIL: actual output ”%s”
”, output);
failure_cnt++;
}
else
printf (“okay
”);
}

/* Test printf() implementation. */
void
test (void)
{
printf (“Testing formats:”);

/* Check that commas show up in the right places, for positive
numbers. */
checkf (“1”, “%’d”, 1);
checkf (“12”, “%’d”, 12);
checkf (“123”, “%’d”, 123);
checkf (“1,234”, “%’d”, 1234);
checkf (“12,345”, “%’d”, 12345);
checkf (“123,456”, “%’ld”, 123456L);
checkf (“1,234,567”, “%’ld”, 1234567L);
checkf (“12,345,678”, “%’ld”, 12345678L);
checkf (“123,456,789”, “%’ld”, 123456789L);
checkf (“1,234,567,890”, “%’ld”, 1234567890L);
checkf (“12,345,678,901”, “%’lld”, 12345678901LL);
checkf (“123,456,789,012”, “%’lld”, 123456789012LL);
checkf (“1,234,567,890,123”, “%’lld”, 1234567890123LL);
checkf (“12,345,678,901,234”, “%’lld”, 12345678901234LL);
checkf (“123,456,789,012,345”, “%’lld”, 123456789012345LL);
checkf (“1,234,567,890,123,456”, “%’lld”, 1234567890123456LL);
checkf (“12,345,678,901,234,567”, “%’lld”, 12345678901234567LL);
checkf (“123,456,789,012,345,678”, “%’lld”, 123456789012345678LL);
checkf (“1,234,567,890,123,456,789”, “%’lld”, 1234567890123456789LL);

/* Check that commas show up in the right places, for positive
numbers. */
checkf (“-1”, “%’d”, -1);
checkf (“-12”, “%’d”, -12);
checkf (“-123”, “%’d”, -123);
checkf (“-1,234”, “%’d”, -1234);
checkf (“-12,345”, “%’d”, -12345);
checkf (“-123,456”, “%’ld”, -123456L);
checkf (“-1,234,567”, “%’ld”, -1234567L);
checkf (“-12,345,678”, “%’ld”, -12345678L);
checkf (“-123,456,789”, “%’ld”, -123456789L);
checkf (“-1,234,567,890”, “%’ld”, -1234567890L);
checkf (“-12,345,678,901”, “%’lld”, -12345678901LL);
checkf (“-123,456,789,012”, “%’lld”, -123456789012LL);
checkf (“-1,234,567,890,123”, “%’lld”, -1234567890123LL);
checkf (“-12,345,678,901,234”, “%’lld”, -12345678901234LL);
checkf (“-123,456,789,012,345”, “%’lld”, -123456789012345LL);
checkf (“-1,234,567,890,123,456”, “%’lld”, -1234567890123456LL);
checkf (“-12,345,678,901,234,567”, “%’lld”, -12345678901234567LL);
checkf (“-123,456,789,012,345,678”, “%’lld”, -123456789012345678LL);
checkf (“-1,234,567,890,123,456,789”, “%’lld”, -1234567890123456789LL);

/* Check signed integer conversions. */
checkf (” 0″, “%5d”, 0);
checkf (“0 “, “%-5d”, 0);
checkf (” +0″, “%+5d”, 0);
checkf (“+0 “, “%+-5d”, 0);
checkf (” 0″, “% 5d”, 0);
checkf (“00000”, “%05d”, 0);
checkf (” “, “%5.0d”, 0);
checkf (” 00″, “%5.2d”, 0);
checkf (“0”, “%d”, 0);

checkf (” 1″, “%5d”, 1);
checkf (“1 “, “%-5d”, 1);
checkf (” +1″, “%+5d”, 1);
checkf (“+1 “, “%+-5d”, 1);
checkf (” 1″, “% 5d”, 1);
checkf (“00001”, “%05d”, 1);
checkf (” 1″, “%5.0d”, 1);
checkf (” 01″, “%5.2d”, 1);
checkf (“1”, “%d”, 1);

checkf (” -1″, “%5d”, -1);
checkf (“-1 “, “%-5d”, -1);
checkf (” -1″, “%+5d”, -1);
checkf (“-1 “, “%+-5d”, -1);
checkf (” -1″, “% 5d”, -1);
checkf (“-0001”, “%05d”, -1);
checkf (” -1″, “%5.0d”, -1);
checkf (” -01″, “%5.2d”, -1);
checkf (“-1”, “%d”, -1);

checkf (“12345”, “%5d”, 12345);
checkf (“12345”, “%-5d”, 12345);
checkf (“+12345”, “%+5d”, 12345);
checkf (“+12345”, “%+-5d”, 12345);
checkf (” 12345″, “% 5d”, 12345);
checkf (“12345”, “%05d”, 12345);
checkf (“12345”, “%5.0d”, 12345);
checkf (“12345”, “%5.2d”, 12345);
checkf (“12345”, “%d”, 12345);

checkf (“123456”, “%5d”, 123456);
checkf (“123456”, “%-5d”, 123456);
checkf (“+123456”, “%+5d”, 123456);
checkf (“+123456”, “%+-5d”, 123456);
checkf (” 123456″, “% 5d”, 123456);
checkf (“123456”, “%05d”, 123456);
checkf (“123456”, “%5.0d”, 123456);
checkf (“123456”, “%5.2d”, 123456);
checkf (“123456”, “%d”, 123456);

/* Check unsigned integer conversions. */
checkf (” 0″, “%5u”, 0);
checkf (” 0″, “%5o”, 0);
checkf (” 0″, “%5x”, 0);
checkf (” 0″, “%5X”, 0);
checkf (” 0″, “%#5o”, 0);
checkf (” 0″, “%#5x”, 0);
checkf (” 0″, “%#5X”, 0);
checkf (” 00000000″, “%#10.8x”, 0);

checkf (” 1″, “%5u”, 1);
checkf (” 1″, “%5o”, 1);
checkf (” 1″, “%5x”, 1);
checkf (” 1″, “%5X”, 1);
checkf (” 01″, “%#5o”, 1);
checkf (” 0x1″, “%#5x”, 1);
checkf (” 0X1″, “%#5X”, 1);
checkf (“0x00000001”, “%#10.8x”, 1);

checkf (“123456”, “%5u”, 123456);
checkf (“361100”, “%5o”, 123456);
checkf (“1e240”, “%5x”, 123456);
checkf (“1E240”, “%5X”, 123456);
checkf (“0361100”, “%#5o”, 123456);
checkf (“0x1e240”, “%#5x”, 123456);
checkf (“0X1E240”, “%#5X”, 123456);
checkf (“0x0001e240”, “%#10.8x”, 123456);

/* Character and string conversions. */
checkf (“foobar”, “%c%c%c%c%c%c”, ‘f’, ‘o’, ‘o’, ‘b’, ‘a’, ‘r’);
checkf (” left-right “, “%6s%s%-7s”, “left”, “-“, “right”);
checkf (“trim”, “%.4s”, “trimoff”);
checkf (“%%”, “%%%%”);

/* From Cristian Cadar’s automatic test case generator. */
checkf (” abcdefgh”, “%9s”, “abcdefgh”);
checkf (“36657730000”, “%- o”, (unsigned) 036657730000);
checkf (“4139757568”, “%- u”, (unsigned) 4139757568UL);
checkf (“f6bfb000”, “%- x”, (unsigned) 0xf6bfb000);
checkf (“36657730000”, “%-to”, (ptrdiff_t) 036657730000);
checkf (“4139757568”, “%-tu”, (ptrdiff_t) 4139757568UL);
checkf (“-155209728”, “%-zi”, (size_t) -155209728);
checkf (“-155209728”, “%-zd”, (size_t) -155209728);
checkf (“036657730000”, “%+#o”, (unsigned) 036657730000);
checkf (“0xf6bfb000”, “%+#x”, (unsigned) 0xf6bfb000);
checkf (“-155209728”, “% zi”, (size_t) -155209728);
checkf (“-155209728”, “% zd”, (size_t) -155209728);
checkf (“4139757568”, “% tu”, (ptrdiff_t) 4139757568UL);
checkf (“036657730000”, “% #o”, (unsigned) 036657730000);
checkf (“0xf6bfb000”, “% #x”, (unsigned) 0xf6bfb000);
checkf (“0xf6bfb000”, “%# x”, (unsigned) 0xf6bfb000);
checkf (“-155209728”, “%#zd”, (size_t) -155209728);
checkf (“-155209728”, “%0zi”, (size_t) -155209728);
checkf (“4,139,757,568”, “%’tu”, (ptrdiff_t) 4139757568UL);
checkf (“-155,209,728”, “%-‘d”, -155209728);
checkf (“-155209728”, “%.zi”, (size_t) -155209728);
checkf (“-155209728”, “%zi”, (size_t) -155209728);
checkf (“-155209728”, “%zd”, (size_t) -155209728);
checkf (“-155209728”, “%+zi”, (size_t) -155209728);

if (failure_cnt == 0)
printf (“
stdio: PASS
”);
else
printf (“
stdio: FAIL: %d tests failed
”, failure_cnt);
}