iPXE
Macros | Functions | Variables
vsprintf_test.c File Reference

vsprintf() self-tests More...

#include <string.h>
#include <stdio.h>
#include <ipxe/test.h>

Go to the source code of this file.

Macros

#define snprintf_ok(len, result, format, ...)
 

Functions

 FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
 
static void snprintf_okx (size_t len, const char *expected, const char *file, unsigned int line, const char *fmt,...)
 Report an snprintf() test result. More...
 
static void vsprintf_test_exec (void)
 Perform vsprintf() self-tests. More...
 

Variables

struct self_test vsprintf_test __self_test
 vsprintf() self-test More...
 

Detailed Description

vsprintf() self-tests

Definition in file vsprintf_test.c.

Macro Definition Documentation

◆ snprintf_ok

#define snprintf_ok (   len,
  result,
  format,
  ... 
)
Value:
snprintf_okx ( len, result, __FILE__, __LINE__, format, \
##__VA_ARGS__ )
static void snprintf_okx(size_t len, const char *expected, const char *file, unsigned int line, const char *fmt,...)
Report an snprintf() test result.
Definition: vsprintf_test.c:49
int result
Definition: bigint.h:148
uint32_t len
Length.
Definition: ena.h:14
int const char * format
Definition: xfer.h:104

Definition at line 65 of file vsprintf_test.c.

Function Documentation

◆ FILE_LICENCE()

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL  )

◆ snprintf_okx()

static void snprintf_okx ( size_t  len,
const char *  expected,
const char *  file,
unsigned int  line,
const char *  fmt,
  ... 
)
static

Report an snprintf() test result.

Parameters
lenBuffer length
expectedExpected result
fileTest code file
lineTest code line
formatFormat string
...Arguments

Definition at line 49 of file vsprintf_test.c.

50  {
51  char actual[len];
52  size_t actual_len;
53  va_list args;
54 
55  va_start ( args, fmt );
56  actual_len = vsnprintf ( actual, sizeof ( actual ), fmt, args );
57  va_end ( args );
58  okx ( actual_len >= strlen ( expected ), file, line );
59  okx ( strcmp ( actual, expected ) == 0, file, line );
60  if ( strcmp ( actual, expected ) != 0 ) {
61  DBG ( "SNPRINTF expected \"%s\", got \"%s\"\n",
62  expected, actual );
63  }
64 }
#define va_end(ap)
Definition: stdarg.h:9
#define okx(success, file, line)
Report test result.
Definition: test.h:44
size_t strlen(const char *src)
Get length of string.
Definition: string.c:213
uint32_t len
Length.
Definition: ena.h:14
__builtin_va_list va_list
Definition: stdarg.h:6
int strcmp(const char *first, const char *second)
Compare strings.
Definition: string.c:157
int ssize_t const char * fmt
Definition: vsprintf.h:72
#define va_start(ap, last)
Definition: stdarg.h:7
#define DBG(...)
Print a debugging message.
Definition: compiler.h:498
int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
Write a formatted string to a buffer.
Definition: vsprintf.c:351

References DBG, fmt, len, okx, strcmp(), strlen(), va_end, va_start, and vsnprintf().

◆ vsprintf_test_exec()

static void vsprintf_test_exec ( void  )
static

Perform vsprintf() self-tests.

Definition at line 73 of file vsprintf_test.c.

73  {
74 
75  /* Constant string */
76  snprintf_ok ( 16, "Testing", "Testing" );
77 
78  /* Constant string, truncated to fit */
79  snprintf_ok ( 5, "Test", "Testing" );
80 
81  /* Basic format specifiers */
82  snprintf_ok ( 16, "%", "%%" );
83  snprintf_ok ( 16, "ABC", "%c%c%c", 'A', 'B', 'C' );
84  snprintf_ok ( 16, "abc", "%lc%lc%lc", L'a', L'b', L'c' );
85  snprintf_ok ( 16, "Hello world", "%s %s", "Hello", "world" );
86  snprintf_ok ( 16, "Goodbye world", "%ls %s", L"Goodbye", "world" );
87  snprintf_ok ( 16, "0x1234abcd", "%p", ( ( void * ) 0x1234abcd ) );
88  snprintf_ok ( 16, "0xa723", "%#x", 0xa723 );
89  snprintf_ok ( 16, "a723", "%x", 0xa723 );
90  snprintf_ok ( 16, "0x0000a723", "%#08x", 0xa723 );
91  snprintf_ok ( 16, "00A723", "%06X", 0xa723 );
92  snprintf_ok ( 16, "9876abcd", "%lx", 0x9876abcdUL );
93  snprintf_ok ( 16, "1234 5678", "%04llx %04llx", 0x1234ULL, 0x5678ULL );
94  snprintf_ok ( 16, "123", "%d", 123 );
95  snprintf_ok ( 16, "456", "%i", 456 );
96  snprintf_ok ( 16, " 99", "%3d", 99 );
97  snprintf_ok ( 16, "099", "%03d", 99 );
98  snprintf_ok ( 16, "-72", "%d", -72 );
99  snprintf_ok ( 16, " -72", "%4d", -72 );
100  snprintf_ok ( 16, "-072", "%04d", -72 );
101  snprintf_ok ( 16, "4", "%zd", sizeof ( uint32_t ) );
102  snprintf_ok ( 16, "123456789", "%d", 123456789 );
103 
104  /* Realistic combinations */
105  snprintf_ok ( 64, "DBG 0x1234 thingy at 0x0003f0c0+0x5c\n",
106  "DBG %p %s at %#08lx+%#zx\n", ( ( void * ) 0x1234 ),
107  "thingy", 0x3f0c0UL, ( ( size_t ) 0x5c ) );
108  snprintf_ok ( 64, "PCI 00:1f.3", "PCI %02x:%02x.%x", 0x00, 0x1f, 0x03 );
109  snprintf_ok ( 64, "Region [1000000,3f000000)", "Region [%llx,%llx)",
110  0x1000000ULL, 0x3f000000ULL );
111 
112  /* Null string (used for debug messages) */
113  snprintf_ok ( 16, "<NULL>", "%s", ( ( char * ) NULL ) );
114  snprintf_ok ( 16, "<NULL>", "%ls", ( ( wchar_t * ) NULL ) );
115 }
unsigned int uint32_t
Definition: stdint.h:12
#define snprintf_ok(len, result, format,...)
Definition: vsprintf_test.c:65
#define NULL
NULL pointer (VOID *)
Definition: Base.h:362

References NULL, and snprintf_ok.

Variable Documentation

◆ __self_test

struct self_test vsprintf_test __self_test
Initial value:
= {
.name = "vsprintf",
}
static void vsprintf_test_exec(void)
Perform vsprintf() self-tests.
Definition: vsprintf_test.c:73

vsprintf() self-test

Definition at line 118 of file vsprintf_test.c.