// RUN: %check_clang_tidy %s bugprone-infinite-loop %t -- -- -fblocks
+// RUN: %check_clang_tidy %s bugprone-infinite-loop %t -- -- -fblocks -fobjc-arc
+
+typedef __typeof(sizeof(int)) NSUInteger;
+
+@interface NSArray
++(instancetype)alloc;
+-(instancetype)init;
+@property(readonly) NSUInteger count;
+-(void)addObject: (id)anObject;
+@end
@interface I
-(void) instanceMethod;
+(void) classMethod;
++(instancetype)alloc;
+-(instancetype)init;
@end
void plainCFunction() {
}
}
@end
+
+void testArrayCount() {
+ NSArray *arr = [[NSArray alloc] init];
+ NSUInteger max_count = 10;
+ while ([arr count] < max_count) {
+ // No warning. Array count is updated on every iteration.
+ [arr addObject: [[I alloc] init]];
+ }
+}
+
+void testArrayCountWithConstant() {
+ NSArray *arr = [[NSArray alloc] init];
+ while ([arr count] < 10) {
+ // No warning. Array count is updated on every iteration.
+ [arr addObject: [[I alloc] init]];
+ }
+}
+
+void testArrayCountProperty() {
+ NSArray *arr = [[NSArray alloc] init];
+ NSUInteger max_count = 10;
+ while (arr.count < max_count) {
+ // No warning. Array count is updated on every iteration.
+ [arr addObject: [[I alloc] init]];
+ }
+}
+
+void testArrayCountPropertyWithConstant() {
+ NSArray *arr = [[NSArray alloc] init];
+ while (arr.count < 10) {
+ // No warning. Array count is updated on every iteration.
+ [arr addObject: [[I alloc] init]];
+ }
+}
+
+@interface MyArray {
+ @public NSUInteger _count;
+}
++(instancetype)alloc;
+-(instancetype)init;
+-(void)addObject: (id)anObject;
+
+-(void)populate;
+@end
+
+@implementation MyArray
+-(void)populate {
+ NSUInteger max_count = 10;
+ while (_count < max_count) {
+ // No warning. Array count is updated on every iteration.
+ [self addObject: [[I alloc] init]];
+ }
+}
+
+-(void)populateWithConstant {
+ while (_count < 10) {
+ // No warning. Array count is updated on every iteration.
+ [self addObject: [[I alloc] init]];
+ }
+}
+@end
+
+void testArrayCountIvar() {
+ MyArray *arr = [[MyArray alloc] init];
+ NSUInteger max_count = 10;
+ while (arr->_count < max_count) {
+ // No warning. Array count is updated on every iteration.
+ [arr addObject: [[I alloc] init]];
+ }
+}
+
+void testArrayCountIvarWithConstant() {
+ MyArray *arr = [[MyArray alloc] init];
+ while (arr->_count < 10) {
+ // No warning. Array count is updated on every iteration.
+ [arr addObject: [[I alloc] init]];
+ }
+}