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The use of IOS assertions

Source: Internet
Author: User
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Nsassert using Apple defines a macro in Foundation.framework: #define NSASSERT (condition, desc, ...) The first argument is a condition, and if False, throws an exception, Displays the information described by the second parameter. For example Nsassert (1>=2, @ "1>=2 is false!"); Running in debug mode terminates the program and throws the following exception: 2015-11-18 10:23:16.618 testassertion[825:c07] * * * terminating app due to uncaught exception ' Nsinternalinconsistencyexception ', Reason: ' 1>=2 is false! ' runs in release mode, does not terminate the program without throwing an exception. This facilitates the commissioning of the program.

The use of IOS assertions

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