When callback block is NEVER called, throw an exception.
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BlockCallAssert
Sources
.gitignore
BlockCallAssert.podspec
LICENSE
README.md

README.md

BlockCallAssert

When callback block is NEVER called, throw an exception.

Usage

Set exception handler

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

or NSException maybe better for you.

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

Wrap your completion blocks

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

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

Then if you dont call completionBlock(), it will handle an exception.

Macros

Maybe you need debug env.

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

LICENSE

BSD 2-Clause License

Copyright (c) 2018, Daniel (djs66256@163.com)
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.

* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
        SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.