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libs-base/Testing/nsdata.m
fedor a051ddd885 Merge 0.6.6 branch into main. 
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@7187 72102866-910b-0410-8b05-ffd578937521
2000-08-07 22:00:31 +00:00

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Objective-C
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#include <stdio.h>
#include <Foundation/NSData.h>
#include <Foundation/NSException.h>
#include <Foundation/NSRange.h>
#include <Foundation/NSSerialization.h>
#include <Foundation/NSArchiver.h>
#include <Foundation/NSAutoreleasePool.h>
#include <Foundation/NSString.h>
/******************************************************************************
* Module : NSMutableData(NSData) --- Black Box test module for the
* *Data classes to make sure that methods that raise exceptions
* do so, and that the exceptions are raised properly.
*
* Author : John W. M. Stevens
...............................................................................
15 April 1997
******************************************************************************/
/* Data for stuffing into *Data objects. I like printable data, as it
* gives a quick visual check mechanism, but it has the disadvantage
* of not checking for 8 bit cleanliness.
*/
char *testString = "Test string for mutable data and archiver classes.";
char *subString = "Sub String";
/*-----------------------------------------------------------------------------
| Routine : TestNSMutableData() --- Create an instance of an NSMutableData
| class, initialize it with a C string (to have something
| printable for tests) and invoke the two methods that
| should raise NSRangeException exceptions using ranges that
| cross both edges of the buffer boundary.
|
| Notes : Please see work logs for discussion.
-----------------------------------------------------------------------------*/
void
TestNSMutableData(void)
{
auto NSMutableData *nsMutData;
auto char *str;
auto NSRange range;
/* Allocate and initialize an instance of an NSMutableData
* class.
*/
nsMutData = [NSMutableData dataWithLength: strlen( testString ) + 1];
str = (char *) [nsMutData mutableBytes];
strcpy(str, testString);
/* Get contents, display. */
str = NULL;
str = (char *) [nsMutData mutableBytes];
printf("NSMutableData Test ---------------------------------------------"
"---------------\n"
"1) String: (%s)\n", str);
/* Attempt to force Range exception by having range start before
* zero.
*/
NS_DURING
range = NSMakeRange(-2, strlen( subString ));
[nsMutData replaceBytesInRange: range
withBytes : subString ];
NS_HANDLER
fprintf(stderr,
"%s %d : Exception %s - %s\n",
__FILE__,
__LINE__,
[[localException name] cString],
[[localException reason] cString]);
NS_ENDHANDLER
/* Attempt to force another Range exception. */
NS_DURING
range = NSMakeRange(41, strlen( subString ));
[nsMutData replaceBytesInRange: range
withBytes : subString ];
NS_HANDLER
fprintf(stderr,
"%s %d : Exception %s - %s\n",
__FILE__,
__LINE__,
[[localException name] cString],
[[localException reason] cString]);
NS_ENDHANDLER
/* Attempt to force another Range exception. */
NS_DURING
range = NSMakeRange(42, strlen( subString ));
[nsMutData replaceBytesInRange: range
withBytes : subString ];
NS_HANDLER
fprintf(stderr,
"%s %d : Exception %s - %s\n",
__FILE__,
__LINE__,
[[localException name] cString],
[[localException reason] cString]);
NS_ENDHANDLER
/* How about a length that is less than zero? */
NS_DURING
range = NSMakeRange(6, -3.0);
[nsMutData replaceBytesInRange: range
withBytes : subString ];
NS_HANDLER
fprintf(stderr,
"%s %d : Exception %s - %s\n",
__FILE__,
__LINE__,
[[localException name] cString],
[[localException reason] cString]);
NS_ENDHANDLER
/* Attempt to force Range exception by having range start before
* zero.
*/
NS_DURING
range = NSMakeRange(-2, strlen( subString ));
[nsMutData resetBytesInRange: range];
NS_HANDLER
fprintf(stderr,
"%s %d : Exception %s - %s\n",
__FILE__,
__LINE__,
[[localException name] cString],
[[localException reason] cString]);
NS_ENDHANDLER
/* Attempt to force another Range exception. */
NS_DURING
range = NSMakeRange(41, strlen( subString ));
[nsMutData resetBytesInRange: range];
NS_HANDLER
fprintf(stderr,
"%s %d : Exception %s - %s\n",
__FILE__,
__LINE__,
[[localException name] cString],
[[localException reason] cString]);
NS_ENDHANDLER
/* Attempt to force another Range exception. */
NS_DURING
range = NSMakeRange(42, strlen( subString ));
[nsMutData resetBytesInRange: range];
NS_HANDLER
fprintf(stderr,
"%s %d : Exception %s - %s\n",
__FILE__,
__LINE__,
[[localException name] cString],
[[localException reason] cString]);
NS_ENDHANDLER
/* How about a length less than zero? */
NS_DURING
range = NSMakeRange(6.0, -3.0);
[nsMutData resetBytesInRange: range];
NS_HANDLER
fprintf(stderr,
"%s %d : Exception %s - %s\n",
__FILE__,
__LINE__,
[[localException name] cString],
[[localException reason] cString]);
NS_ENDHANDLER
/* Get contents, display. */
str = NULL;
str = (char *) [nsMutData mutableBytes];
printf("2) String: (%s)\n", str);
/* Attempt to force an out of memory exception. */
#if 0
for ( ; ; )
{
/* Append. */
[nsMutData appendBytes: testString
length : strlen( testString ) + 1];
/* Show current value. */
printf("%9u\r", [nsMutData length]);
}
#endif
}
/*-----------------------------------------------------------------------------
| Routine : TestNSData() --- Create an instance of an NSData
| class, initialize it with a C string (to have something
| printable for tests) and invoke the two methods that
| should raise NSRangeException exceptions using ranges that
| cross both edges of the buffer boundary.
|
| Notes : Please see work logs for discussion.
-----------------------------------------------------------------------------*/
void
TestNSData(void)
{
auto NSData *nsData;
auto NSData *newNsData;
auto char *str;
auto char bfr[128];
auto NSRange range;
/* Allocate and initialize an instance of an NSData
* class.
*/
nsData = [NSData dataWithBytes: testString
length : (unsigned int) strlen( testString ) + 1];
/* Get contents, display. */
str = (char *) [nsData bytes];
printf("NSData Test ----------------------------------------------------"
"---------------\n"
"1) String: (%s)\n", str);
/* Attempt to force Range exception by having range start before
* zero.
*/
NS_DURING
/* Get buffer piece. */
range = NSMakeRange(-2.0, 6.0);
[nsData getBytes: bfr
range : range];
/* Print buffer piece. */
bfr[6] = '\0';
printf(" A) Buffer: (%s)\n", bfr);
NS_HANDLER
fprintf(stderr,
"%s %d : Exception %s - %s\n",
__FILE__,
__LINE__,
[[localException name] cString],
[[localException reason] cString]);
NS_ENDHANDLER
/* Attempt to force another Range exception. */
NS_DURING
/* Get piece. */
range = NSMakeRange(41, strlen( subString ));
[nsData getBytes: bfr
range : range];
/* Print buffer piece. */
bfr[strlen( subString )] = '\0';
printf(" B) Buffer: (%s)\n", bfr);
NS_HANDLER
fprintf(stderr,
"%s %d : Exception %s - %s\n",
__FILE__,
__LINE__,
[[localException name] cString],
[[localException reason] cString]);
NS_ENDHANDLER
/* Attempt to force another Range exception. */
NS_DURING
range = NSMakeRange(42, strlen( subString ));
[nsData getBytes: bfr
range : range];
/* Print buffer piece. */
bfr[strlen( subString )] = '\0';
printf(" C) Buffer: (%s)\n", bfr);
NS_HANDLER
fprintf(stderr,
"%s %d : Exception %s - %s\n",
__FILE__,
__LINE__,
[[localException name] cString],
[[localException reason] cString]);
NS_ENDHANDLER
/* How about less than zero length? */
NS_DURING
range = NSMakeRange(5.0, -4.0);
[nsData getBytes: bfr
range : range];
/* Print buffer piece. */
bfr[strlen( subString )] = '\0';
printf(" C) Buffer: (%s)\n", bfr);
NS_HANDLER
fprintf(stderr,
"%s %d : Exception %s - %s\n",
__FILE__,
__LINE__,
[[localException name] cString],
[[localException reason] cString]);
NS_ENDHANDLER
/*=================== subDataWithRange ======================================*/
/* Attempt to force Range exception by having range start before
* zero.
*/
NS_DURING
/* Get buffer piece. */
range = NSMakeRange(-2.0, 6.0);
newNsData = [nsData subdataWithRange: range];
/* Print buffer piece. */
[newNsData getBytes: bfr];
bfr[6] = '\0';
printf(" D) Buffer: (%s)\n", bfr);
NS_HANDLER
fprintf(stderr,
"%s %d : Exception %s - %s\n",
__FILE__,
__LINE__,
[[localException name] cString],
[[localException reason] cString]);
NS_ENDHANDLER
/* Attempt to force another Range exception. */
NS_DURING
/* Get buffer piece. */
range = NSMakeRange(41, strlen( subString ));
newNsData = [nsData subdataWithRange: range];
/* Print buffer piece. */
[newNsData getBytes: bfr];
bfr[strlen( subString )] = '\0';
printf(" E) Buffer: (%s)\n", bfr);
NS_HANDLER
fprintf(stderr,
"%s %d : Exception %s - %s\n",
__FILE__,
__LINE__,
[[localException name] cString],
[[localException reason] cString]);
NS_ENDHANDLER
/* Attempt to force another Range exception. */
NS_DURING
/* Get buffer piece. */
range = NSMakeRange(42, strlen( subString ));
newNsData = [nsData subdataWithRange: range];
/* Print buffer piece. */
[newNsData getBytes: bfr];
bfr[strlen( subString )] = '\0';
printf(" F) Buffer: (%s)\n", bfr);
NS_HANDLER
fprintf(stderr,
"%s %d : Exception %s - %s\n",
__FILE__,
__LINE__,
[[localException name] cString],
[[localException reason] cString]);
NS_ENDHANDLER
/* How about a length less than zero? */
NS_DURING
/* Get buffer piece. */
range = NSMakeRange(9.0, -6.0);
newNsData = [nsData subdataWithRange: range];
/* Print buffer piece. */
[newNsData getBytes: bfr];
bfr[strlen( subString )] = '\0';
printf(" F) Buffer: (%s)\n", bfr);
NS_HANDLER
fprintf(stderr,
"%s %d : Exception %s - %s\n",
__FILE__,
__LINE__,
[[localException name] cString],
[[localException reason] cString]);
NS_ENDHANDLER
/* Get contents, display. */
str = NULL;
str = (char *) [nsData bytes];
printf("2) String: (%s)\n", str);
}
int
main()
{
id a;
id d;
id o;
id pool;
[NSAutoreleasePool enableDoubleReleaseCheck:YES];
pool = [[NSAutoreleasePool alloc] init];
d = [NSData dataWithContentsOfMappedFile:@"nsdata.m"];
if (d == nil)
printf("Unable to map file");
printf("Mapped %d bytes\n", [d length]);
o = [d copy];
printf("Copied %d bytes\n", [o length]);
[o release];
o = [d mutableCopy];
printf("Copied %d bytes\n", [o length]);
[o release];
d = [NSData dataWithContentsOfFile:@"nsdata.m"];
if (d == nil)
printf("Unable to read file");
printf("Read %d bytes\n", [d length]);
o = [d copy];
printf("Copied %d bytes\n", [o length]);
[o release];
o = [d mutableCopy];
printf("Copied %d bytes\n", [o length]);
[o release];
d = [NSData dataWithSharedBytes: [d bytes] length: [d length]];
if (d == nil)
printf("Unable to make shared data");
printf("Shared data of %d bytes\n", [d length]);
o = [d copy];
printf("Copied %d bytes\n", [o length]);
[o release];
o = [d mutableCopy];
printf("Copied %d bytes\n", [o length]);
[o release];
d = [NSMutableData dataWithSharedBytes: [d bytes] length: [d length]];
if (d == nil)
printf("Unable to make mutable shared data");
printf("Mutable shared data of %d bytes\n", [d length]);
o = [d copy];
printf("Copied %d bytes\n", [o length]);
[o release];
o = [d mutableCopy];
printf("Copied %d bytes\n", [o length]);
[o release];
[d appendBytes: "Hello world" length: 11];
printf("Extended by 11 bytes to %d bytes\n", [d length]);
d = [NSMutableData dataWithShmID: [d shmID] length: [d length]];
if (d == nil)
printf("Unable to make mutable data with old ID\n");
printf("data with shmID gives data length %d\n", [d length]);
a = [[NSArchiver new] autorelease];
[a encodeRootObject: d];
printf("Encoded data into archive\n");
a = [[NSUnarchiver alloc] initForReadingWithData: [a archiverData]];
o = [a decodeObject];
printf("Decoded data from archive - length %d\n", [o length]);
[a release];
[d setCapacity: 2000000];
printf("Set capacity of shared memory item to %d\n", [d capacity]);
/* Test NSMutableData. */
TestNSMutableData();
/* Test NSData. */
TestNSData();
[pool release];
exit(0);
}
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