diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/Analysis/rdar-6540084.m | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/test/Analysis/rdar-6540084.m b/test/Analysis/rdar-6540084.m new file mode 100644 index 0000000000..e1347d92eb --- /dev/null +++ b/test/Analysis/rdar-6540084.m @@ -0,0 +1,36 @@ +// RUN: clang -analyze -warn-dead-stores -verify %s +// +// This test exercises the live variables analysis (LiveVariables.cpp). +// The case originally identified a non-termination bug. +// +typedef signed char BOOL; +typedef unsigned int NSUInteger; +typedef struct _NSZone NSZone; +@protocol NSObject - (BOOL)isEqual:(id)object; @end +@interface NSObject <NSObject> {} @end +extern id NSAllocateObject(Class aClass, NSUInteger extraBytes, NSZone *zone); +@class NSArray; +@class NSMutableArray, NSIndexSet, NSView, NSPredicate, NSString, NSViewAnimation, NSTimer; +@interface FooBazController : NSObject {} +@end +typedef struct {} TazVersion; +@class TazNode; +@interface TazGuttenberg : NSObject {} typedef NSUInteger BugsBunnyType; @end +@interface FooBaz : NSObject {} +@property (nonatomic) BugsBunnyType matchType; +@property (nonatomic, retain) NSArray *papyrus; @end +@implementation FooBazController +- (NSArray *)excitingStuff:(FooBaz *)options { + BugsBunnyType matchType = options.matchType; + NSPredicate *isSearchablePredicate = [NSPredicate predicateWithFormat:@"isSearchable == YES"]; // expected-warning{{return type defaults to 'id'}} + for (TazGuttenberg *Guttenberg in options.papyrus) { + NSArray *GuttenbergNodes = [Guttenberg nodes]; // expected-warning{{return type defaults to 'id'}} + NSArray *searchableNodes = [GuttenbergNodes filteredArrayUsingPredicate:isSearchablePredicate]; // expected-warning{{return type defaults to 'id'}} + for (TazNode *node in searchableNodes) { + switch (matchType) { + default: break; + } + } + } +} +@end |