Fail tests if unasserted console calls contain undefined#34191
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eps1lon merged 2 commits intofacebook:mainfrom Aug 13, 2025
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Fail tests if unasserted console calls contain undefined#34191eps1lon merged 2 commits intofacebook:mainfrom
undefined#34191eps1lon merged 2 commits intofacebook:mainfrom
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| typeof expectedMessage === 'string' && | ||
| (normalizedMessage === expectedMessage || |
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This forbids console.error('undefined') and assertConsoleErrorDev([undefined]) but that doesn't seem like a valid scenario anyway.
sebmarkbage
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Aug 13, 2025
This was referenced Aug 13, 2025
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…34191) DiffTrain build for [9433fe3](facebook@9433fe3)
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Noticed in https://github.com/facebook/react/pull/34189/files#diff-9a24629ff29cdf7a1ee0bf2b99c1db18743b46bbc6d0a204f73042ae44b0bb3bR199 that the test was passing without asserting on the
TypeError. Was just another JS type coercion bug.