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100 lines
1.4 KiB
100 lines
1.4 KiB
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <Foundation/Foundation.h>
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@interface Uninit : NSObject
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@end
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struct my_struct {
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int x;
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int y;
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};
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@implementation Uninit
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- (void)capture_in_closure_ok {
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__block BOOL x;
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void (^block)() = ^() {
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x = true;
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};
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}
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- (BOOL)capture_in_closure_bad {
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__block BOOL x;
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void (^block)() = ^() {
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x = true;
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};
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return x;
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}
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- (BOOL)set_in_closure_ok {
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__block BOOL x;
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void (^block)() = ^() {
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x = true;
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};
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block();
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return x;
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}
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- (BOOL)not_set_in_closure_bad {
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__block BOOL x;
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void (^block)() = ^() {
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};
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block();
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return x;
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}
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- (BOOL)use_in_closure_bad {
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__block BOOL x;
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void (^block)() = ^() {
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BOOL y = x;
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};
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block();
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}
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- (BOOL)dispatch_sync_closure_ok:(dispatch_queue_t)queue {
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__block BOOL x;
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dispatch_sync(queue, ^() {
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x = true;
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});
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return x;
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}
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- (BOOL)dispatch_sync_variable_closure_ok:(dispatch_queue_t)queue {
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__block BOOL x;
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void (^block)() = ^() {
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x = true;
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};
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dispatch_sync(queue, block);
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return x;
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}
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- (struct my_struct)return_my_struct {
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struct my_struct s;
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s.x = 1;
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s.y = 2;
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return s;
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}
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+ (int)call_return_my_struct_ok {
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Uninit* o = nil;
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return [o return_my_struct].x;
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}
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@end
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