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-rw-r--r--test/Analysis/variadic-method-types.m93
1 files changed, 93 insertions, 0 deletions
diff --git a/test/Analysis/variadic-method-types.m b/test/Analysis/variadic-method-types.m
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+++ b/test/Analysis/variadic-method-types.m
@@ -0,0 +1,93 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-checker=core,osx.cocoa.VariadicMethodTypes -analyzer-store=basic -fblocks -verify %s
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-checker=core,osx.cocoa.VariadicMethodTypes -analyzer-store=region -fblocks -verify %s
+
+//===----------------------------------------------------------------------===//
+// The following code is reduced using delta-debugging from
+// Foundation.h (Mac OS X).
+//
+// It includes the basic definitions for the test cases below.
+// Not directly including Foundation.h directly makes this test case
+// both svelte and portable to non-Mac platforms.
+//===----------------------------------------------------------------------===//
+
+#define nil (void*)0
+typedef const struct __CFString * CFStringRef;
+extern const CFStringRef kCGImageSourceShouldCache __attribute__((visibility("default")));
+typedef signed char BOOL;
+typedef struct _NSZone NSZone;
+typedef unsigned int NSUInteger;
+@protocol NSObject
+- (BOOL)isEqual:(id)object;
+- (oneway void)release;
+- (id)retain;
+- (id)autorelease;
+@end
+@protocol NSCopying
+- (id)copyWithZone:(NSZone *)zone;
+@end
+@protocol NSMutableCopying
+- (id)mutableCopyWithZone:(NSZone *)zone;
+@end
+@class NSCoder;
+@protocol NSCoding
+- (void)encodeWithCoder:(NSCoder *)aCoder;
+@end
+@interface NSObject <NSObject> {}
+- (id)init;
++ (id)alloc;
+@end
+typedef struct {} NSFastEnumerationState;
+@protocol NSFastEnumeration
+- (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(NSUInteger)len;
+@end
+@interface NSArray : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration>
+@end
+@interface NSArray (NSArrayCreation)
++ (id)arrayWithObjects:(id)firstObj, ... __attribute__((sentinel(0,1)));
+- (id)initWithObjects:(id)firstObj, ... __attribute__((sentinel(0,1)));
+@end
+@interface NSDictionary : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration>
+@end
+@interface NSDictionary (NSDictionaryCreation)
++ (id)dictionaryWithObjectsAndKeys:(id)firstObject, ... __attribute__((sentinel(0,1)));
+- (id)initWithObjectsAndKeys:(id)firstObject, ... __attribute__((sentinel(0,1)));
+@end
+@interface NSSet : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration>
+@end
+@interface NSSet (NSSetCreation)
++ (id)setWithObjects:(id)firstObj, ... __attribute__((sentinel(0,1)));
+- (id)initWithObjects:(id)firstObj, ... __attribute__((sentinel(0,1)));
+@end
+@protocol P;
+@class C;
+
+typedef struct FooType * __attribute__ ((NSObject)) FooType;
+typedef struct BarType * BarType;
+
+
+void f(id a, id<P> b, C* c, C<P> *d, FooType fooType, BarType barType) {
+ [NSArray arrayWithObjects:@"Hello", a, b, c, d, nil];
+ [NSArray arrayWithObjects:@"Foo", ^{}, nil];
+
+ [NSArray arrayWithObjects:@"Foo", "Bar", "Baz", nil]; // expected-warning 2 {{Argument to 'NSArray' method 'arrayWithObjects:' should be an Objective-C pointer type, not 'char *'}}
+ [NSDictionary dictionaryWithObjectsAndKeys:@"Foo", "Bar", nil]; // expected-warning {{Argument to 'NSDictionary' method 'dictionaryWithObjectsAndKeys:' should be an Objective-C pointer type, not 'char *'}}
+ [NSSet setWithObjects:@"Foo", "Bar", nil]; // expected-warning {{Argument to 'NSSet' method 'setWithObjects:' should be an Objective-C pointer type, not 'char *'}}
+
+ [[[NSArray alloc] initWithObjects:@"Foo", "Bar", nil] autorelease]; // expected-warning {{Argument to method 'initWithObjects:' should be an Objective-C pointer type, not 'char *'}}
+ [[[NSDictionary alloc] initWithObjectsAndKeys:@"Foo", "Bar", nil] autorelease]; // expected-warning {{Argument to method 'initWithObjectsAndKeys:' should be an Objective-C pointer type, not 'char *'}}
+ [[[NSDictionary alloc] initWithObjectsAndKeys:@"Foo", (void*) 0, nil] autorelease]; // no-warning
+ [[[NSDictionary alloc] initWithObjectsAndKeys:@"Foo", kCGImageSourceShouldCache, nil] autorelease]; // no-warning
+ [[[NSDictionary alloc] initWithObjectsAndKeys:@"Foo", fooType, nil] autorelease]; // no-warning
+ [[[NSDictionary alloc] initWithObjectsAndKeys:@"Foo", barType, nil] autorelease]; // expected-warning {{Argument to method 'initWithObjectsAndKeys:' should be an Objective-C pointer type, not 'BarType'}}
+ [[[NSSet alloc] initWithObjects:@"Foo", "Bar", nil] autorelease]; // expected-warning {{Argument to method 'initWithObjects:' should be an Objective-C pointer type, not 'char *'}}
+}
+
+// This previously crashed the variadic argument checker.
+@protocol RDar9273215
+- (void)rdar9273215:(id)x, ...;
+@end
+
+void test_rdar9273215(id<RDar9273215> y) {
+ return [y rdar9273215:y, y];
+}
+