[analyzer] Test for -analyze-function on ObjectiveC to accompany r139439.

llvm-svn: 139506

clang/test/Analysis/analyzeOneFunction.m

@@ -0,0 +1,56 @@
+// RUN: %clang_cc1 -analyze -analyze-function="myMethodWithY:withX:" -analyzer-checker=core,osx.cocoa.RetainCount -analyzer-store=region -verify %s
+
+typedef signed char BOOL;
+typedef unsigned int NSUInteger;
+typedef struct _NSZone NSZone;
+@class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator;
+@protocol NSObject  - (BOOL)isEqual:(id)object; @end
+@protocol NSCopying  - (id)copyWithZone:(NSZone *)zone; @end
+@protocol NSCoding  - (void)encodeWithCoder:(NSCoder *)aCoder; @end
+@protocol NSMutableCopying  - (id)mutableCopyWithZone:(NSZone *)zone; @end
+@interface NSObject <NSObject> {}
++(id)alloc;
+-(id)init;
+-(id)autorelease;
+-(id)copy;
+-(id)retain;
+@end
+@interface NSString : NSObject <NSCopying, NSMutableCopying, NSCoding>
+- (NSUInteger)length;
+-(id)initWithFormat:(NSString *)f,...;
+-(BOOL)isEqualToString:(NSString *)s;
++ (id)string;
+@end
+
+@interface Test1 : NSObject {
+  NSString *text;
+}
+-(id)myMethod;
+-(id)myMethodWithY:(int)Y withX:(int)X;
+
+@property (nonatomic, assign) NSString *text;
+@end
+
+@implementation Test1
+
+@synthesize text;
+
+-(id)myMethod {
+  Test1 *cell = [[[Test1 alloc] init] autorelease];
+
+  NSString *string1 = [[NSString alloc] initWithFormat:@"test %f", 0.0]; // No warning: this function is not analized.
+  cell.text = string1;
+
+  return cell;
+}
+
+-(id)myMethodWithY:(int)Y withX:(int)X {
+  Test1 *cell = [[[Test1 alloc] init] autorelease];
+
+  NSString *string1 = [[NSString alloc] initWithFormat:@"test %f %d", 0.0, X+Y]; // expected-warning {{Potential leak}}
+  cell.text = string1;
+
+  return cell;
+}
+
+@end