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Add more retain-checker tests for GC mode when using NSMakeCollectable. 

llvm-svn: 72799
This commit is contained in:
Ted Kremenek 2009-06-03 19:19:06 +00:00
parent c380cca7ae
commit 2d22c84b4a
1 changed files with 31 additions and 1 deletions
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32
clang/test/Analysis/retain-release-gc-only.m
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@ -101,6 +101,11 @@ extern DADissenterRef DADissenterCreate( CFAllocatorRef allocator, DAReturn stat
CFTypeRef CFMakeCollectable(CFTypeRef cf) ;
static __inline__ __attribute__((always_inline)) id NSMakeCollectable(CFTypeRef
cf) {
return cf ? (id)CFMakeCollectable(cf) : ((void*)0);
}
//===----------------------------------------------------------------------===//
// Test cases.
//===----------------------------------------------------------------------===//
@ -124,6 +129,31 @@ void f3() {
CFRetain(A);
}
void f3b() {
CFMutableArrayRef A = CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // no-warning
CFMakeCollectable(A);
}
void f4() {
CFMutableArrayRef A = CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // expected-warning{{leak}}
NSMakeCollectable(A);
CFRetain(A);
}
void f4b() {
CFMutableArrayRef A = CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks); // no-warning
NSMakeCollectable(A);
}
void f5() {
id x = [NSMakeCollectable(CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks)) autorelease]; // no-warning
}
void f5b() {
id x = [(id) CFArrayCreateMutable(0, 10, &kCFTypeArrayCallBacks) autorelease]; // expected-warning{{leak}}
}
// Test return of non-owned objects in contexts where an owned object
// is expected.
@interface TestReturnNotOwnedWhenExpectedOwned
@ -133,7 +163,7 @@ void f3() {
@implementation TestReturnNotOwnedWhenExpectedOwned
- (NSString*)newString {
NSString *s = [NSString stringWithUTF8String:"hello"]; // expected-warning{{Potential leak (when using garbage collection) of an object allocated on line 136 and stored into 's'}}
NSString *s = [NSString stringWithUTF8String:"hello"]; // expected-warning{{Potential leak (when using garbage collection) of an object allocated}}
CFRetain(s);
return s;
}