BlockCallAssert

当回调块永远不会被调用时，抛出异常。

用法

设置异常处理程序

void exception_log(const char *str) {
    NSLog(@"%s", str);
}
block_call_assert_set_exception_handler(exception_log);

或者NSException也许更适合您。

void exception_log(const char *str) {
    [NSException raise:@"BlockNotCallException" format:@"%s", msg];
}
block_call_assert_set_exception_handler(exception_log);

包装您的完成块

- (void)doAsyncWithCompletion:(block_t)completionBlock {
  dispatch_async(..., ^{
//      completionBlock(...)
  });
}

[self doAsyncWithCompletion:BLOCK_CALL_ASSERT(^{
    do_after_completion();
    do_clear();
})];

然后如果未调用completionBlock()，它将处理异常。

宏

可能需要调试环境。

#if DEBUG
#import <BlockCallAssert/BlockCallAssert.h>
#define YourBlockCallAssert(x) BLOCK_CALL_ASSERT(x)
#else
#define YourBlockCallAssert(x) x
#endif

许可证

BSD 2-Clause License

Copyright (c) 2018, Daniel ([email protected])
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modification, are permitted provided that the following conditions are met:

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this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.

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