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/*
Test NSValue, NSNumber, and related classes
*/
#include <Foundation/NSValue.h>
#include <Foundation/NSException.h>
#include <Foundation/NSString.h>
#include <Foundation/NSGeometry.h>
int main()
{
NSPoint p;
NSRect rect;
NSValue *v1, *v2;
NSNumber *n1, *n2;
// Numbers
n1 = [NSNumber numberWithUnsignedShort:30];
n2 = [NSNumber numberWithDouble:2.7];
printf("Number(n1) as int %d, as float %f\n",
[n1 intValue], [n1 floatValue]);
printf("n1 times n2=%f as int to get %d\n",
[n2 floatValue], [n1 intValue]*[n2 intValue]);
printf("n2 as string: %s\n", [[n2 stringValue] cString]);
printf("n2 compare:n1 is %d\n", [n2 compare:n1]);
printf("n1 compare:n2 is %d\n", [n1 compare:n2]);
// Test values, Geometry
rect = NSMakeRect(1.0, 103.3, 40.0, 843.);
rect = NSIntersectionRect(rect, NSMakeRect(20, 78., 89., 30));
v1 = [NSValue valueWithRect:rect];
printf("Encoding for rect is %s\n", [v1 objCType]);
rect = [v1 rectValue];
printf("Rect is %f %f %f %f\n", NSMinX(rect), NSMinY(rect), NSMaxX(rect),
NSMaxY(rect));
v2 = [NSValue valueWithPoint:NSMakePoint(3,4)];
v1 = [NSValue valueWithNonretainedObject:v2];
[[v1 nonretainedObjectValue] getValue:&p];
printf("point is %f %f\n", p.x, p.y);
// Exceptions
NS_DURING
NS_DURING
v2 = [NSValue value:NULL withObjCType:@encode(int)];
NS_HANDLER
printf("Caught our exception, name %s and reason: %s\n",
[[localException name] cString],
[[localException reason] cString]);
[localException raise];
NS_ENDHANDLER
NS_HANDLER
printf("Caught our reraised exception, name %s and reason: %s\n",
[[localException name] cString],
[[localException reason] cString]);
NS_ENDHANDLER
return 0;
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.