Question on WillOnce() and Times(1)

[vijaya sp]

Hi,

I know it works but is it ok to use WillOnce() without using Times(1).

Times(1) says the function should be called just once and WillOnce() is for the return value of the function.

To validate the unit test effectively, we should always use Times(1) before calling WillOnce(). Is my understanding correct?

Thanks!

Vijaya

[Billy Donahue]

Each WillOnce is documented and guaranteed to imply a Times(1) for itself.

You don't need to specify it redundantly.

If Times() is omitted, the cardinality is assumed to be:

- Times(1) when there is neither WillOnce() nor WillRepeatedly();

- Times(n) when there are n WillOnce()s but no WillRepeatedly(), where n >= 1; or

- Times(AtLeast(n)) when there are n WillOnce()s and a WillRepeatedly(), where n >= 0.

https://github.com/google/googletest/blob/master/googlemock/docs/CheatSheet.md

Which sounds worse than it is.

Each WillOnce adds 1 to the lower bound of Times, and a WillRepeatedly eliminates the upperbound on Times.

[Zhanyong Wan (λx.x x)]

Except for the first WillOnce(), which doesn't change the lower bound (it remains 1).

 

and a WillRepeatedly eliminates the upperbound on Times.

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Zhanyong