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toHaveProperty should not allow a missing property when looking for an undefined one #8786

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jeysal opened this issue Aug 6, 2019 · 3 comments · Fixed by #8923
Closed

toHaveProperty should not allow a missing property when looking for an undefined one #8786

jeysal opened this issue Aug 6, 2019 · 3 comments · Fixed by #8923
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Jest 28

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@jeysal
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jeysal commented Aug 6, 2019 •
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🐛 Bug Report

Follow up to #8067, tracking for Jest 25.
cc @pedrottimark

To Reproduce

expect({}).toHaveProperty('a', undefined) // passes

Expected behavior

Throws, because {} does not have a property a
@jeysal jeysal added this to the Jest 25 milestone Aug 6, 2019
@SixTfour SixTfour mentioned this issue Sep 6, 2019
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@sklaus64
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sklaus64 commented Sep 6, 2019

#8923

@cpojer cpojer modified the milestones: Jest 26, High priority future May 2, 2020
@SimenB
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SimenB commented Feb 24, 2022

https://github.com/facebook/jest/releases/tag/v28.0.0-alpha.5

@SimenB SimenB modified the milestones: High priority future, Jest 28 Feb 24, 2022
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Fixed toHaveProperty returning false positives when looking for undefined property SixTfour/jest
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@cpojer @SimenB @jeysal @sklaus64