forked from OSchip/llvm-project
139 lines
3.8 KiB
Objective-C
139 lines
3.8 KiB
Objective-C
#import <Foundation/Foundation.h>
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#include <unistd.h>
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#import "my-base.h"
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@interface MyString : MyBase {
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NSString *str;
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NSDate *date;
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BOOL _desc_pauses;
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}
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@property(retain) NSString * str_property;
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@property BOOL descriptionPauses;
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- (id)initWithNSString:(NSString *)string;
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@end
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@implementation MyString
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@synthesize descriptionPauses = _desc_pauses;
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@synthesize str_property = str;
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- (id)initWithNSString:(NSString *)string
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{
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if (self = [super init])
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{
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str = [NSString stringWithString:string];
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date = [NSDate date];
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}
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self.descriptionPauses = NO;
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return self;
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}
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- (void)dealloc
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{
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[date release];
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[str release];
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[super dealloc];
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}
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- (NSString *)description
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{
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// Set a breakpoint on '-[MyString description]' and test expressions:
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// expression (char *)sel_getName(_cmd)
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if (self.descriptionPauses)
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{
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printf ("\nAbout to sleep.\n");
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usleep(100000);
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}
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return [str stringByAppendingFormat:@" with timestamp: %@", date];
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}
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@end
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int
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Test_Selector ()
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{
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SEL sel = @selector(length);
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printf("sel = %p\n", sel);
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// Expressions to test here for selector:
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// expression (char *)sel_getName(sel)
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// The expression above should return "sel" as it should be just
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// a uniqued C string pointer. We were seeing the result pointer being
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// truncated with recent LLDBs.
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return 0;
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}
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int
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Test_NSString (const char *program)
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{
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NSString *str = [NSString stringWithFormat:@"Hello from '%s'", program];
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NSLog(@"NSString instance: %@", str);
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printf("str = '%s'\n", [str cStringUsingEncoding: [NSString defaultCStringEncoding]]);
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printf("[str length] = %zu\n", (size_t)[str length]);
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printf("[str description] = %s\n", [[str description] UTF8String]);
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id str_id = str;
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// Expressions to test here for NSString:
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// expression (char *)sel_getName(sel)
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// expression [str length]
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// expression [str_id length]
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// expression [str description]
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// expression [str_id description]
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// expression str.length
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// expression str.description
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// expression str = @"new"
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// expression str = [NSString stringWithFormat: @"%cew", 'N']
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return 0;
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}
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void
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Test_MyString (const char *program)
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{
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NSString *str = [NSString stringWithFormat:@"Hello from '%s'", program];
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MyString *my = [[MyString alloc] initWithNSString:str];
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NSLog(@"MyString instance: %@", [my description]);
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my.descriptionPauses = YES; // Set break point at this line. Test 'expression -o -- my'.
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NSLog(@"MyString instance: %@", [my description]);
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}
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int
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Test_NSArray ()
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{
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NSMutableArray *nil_mutable_array = nil;
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NSArray *array1 = [NSArray arrayWithObjects: @"array1 object1", @"array1 object2", @"array1 object3", nil];
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NSArray *array2 = [NSArray arrayWithObjects: array1, @"array2 object2", @"array2 object3", nil];
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// Expressions to test here for NSArray:
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// expression [nil_mutable_array count]
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// expression [array1 count]
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// expression array1.count
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// expression [array2 count]
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// expression array2.count
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id obj;
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// After each object at index call, use expression and validate object
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obj = [array1 objectAtIndex: 0];
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obj = [array1 objectAtIndex: 1];
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obj = [array1 objectAtIndex: 2];
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obj = [array2 objectAtIndex: 0];
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obj = [array2 objectAtIndex: 1];
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obj = [array2 objectAtIndex: 2];
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NSUInteger count = [nil_mutable_array count];
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return 0;
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}
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int main (int argc, char const *argv[])
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{
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NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
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Test_Selector();
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Test_NSArray ();
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Test_NSString (argv[0]);
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Test_MyString (argv[0]);
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printf("sizeof(id) = %zu\n", sizeof(id));
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printf("sizeof(Class) = %zu\n", sizeof(Class));
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printf("sizeof(SEL) = %zu\n", sizeof(SEL));
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[pool release];
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return 0;
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}
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