e0ac46e69d
This reverts commit d618f1c3b12effd0c2bdb7d02108d3551f389d3d. This commit wasn't reviewed ahead of time and significant concerns were raised immediately after it landed. According to our developer policy this warrants immediate revert of the commit. https://llvm.org/docs/DeveloperPolicy.html#patch-reversion-policy Differential Revision: https://reviews.llvm.org/D155509
90 lines
2.3 KiB
Objective-C
90 lines
2.3 KiB
Objective-C
// RUN: %clang_analyze_cc1 -analyzer-checker=core,osx.cocoa.RetainCount -verify -Wno-objc-root-class %s
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typedef signed char BOOL;
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typedef unsigned int NSUInteger;
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@interface NSObject
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+(id)alloc;
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-(id)init;
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-(id)autorelease;
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-(id)copy;
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-(id)retain;
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@end
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@interface Subscriptable : NSObject
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- (void)setObject:(id)obj atIndexedSubscript:(NSUInteger)index;
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- (id)objectAtIndexedSubscript:(NSUInteger)index;
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- (void)setObject:(id)obj forKeyedSubscript:(id)key;
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- (id)objectForKeyedSubscript:(id)key;
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@end
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@interface Test : Subscriptable
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@end
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@implementation Test
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// <rdar://problem/6946338> for subscripting
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- (id)storeDoesNotRetain {
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Test *cell = [[[Test alloc] init] autorelease];
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NSObject *string1 = [[NSObject alloc] init]; // expected-warning {{Potential leak}}
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cell[0] = string1;
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cell[self] = string1;
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cell[string1] = self;
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return cell;
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}
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// <rdar://problem/8824416> for subscripting
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- (id)getDoesNotRetain:(BOOL)keyed {
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if (keyed)
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return [self[self] autorelease]; // expected-warning{{Object autoreleased too many times}}
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else
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return [self[0] autorelease]; // expected-warning{{Object autoreleased too many times}}
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}
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// <rdar://problem/9241180> for subscripting
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- (id)testUninitializedObject:(BOOL)keyed {
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Test *o;
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if (keyed) {
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if (o[self]) // expected-warning {{Subscript access on an uninitialized object pointer}}
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return o; // no-warning (sink)
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} else {
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if (o[0]) // expected-warning {{Subscript access on an uninitialized object pointer}}
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return o; // no-warning (sink)
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}
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return self;
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}
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- (void)testUninitializedArgument:(id)input testCase:(unsigned)testCase {
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NSUInteger i;
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id o;
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switch (testCase) {
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case 0:
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self[0] = o; // expected-warning {{Argument for subscript setter is an uninitialized value}}
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break;
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case 1:
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self[i] = input; // expected-warning {{Subscript index is an uninitialized value}}
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break;
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case 2:
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(void)self[i]; // expected-warning {{Subscript index is an uninitialized value}}
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break;
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case 3:
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self[input] = o; // expected-warning {{Argument for subscript setter is an uninitialized value}}
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break;
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case 4:
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self[o] = input; // expected-warning {{Subscript index is an uninitialized value}}
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break;
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case 5:
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(void)self[o]; // expected-warning {{Subscript index is an uninitialized value}}
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break;
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default:
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break;
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}
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}
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@end
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