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add documentation for the premature-exit-file protocol

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Krystian Kuzniarek 2019-11-11 17:17:52 +01:00
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googletest/docs/advanced.md
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@ -2541,6 +2541,18 @@ IMPORTANT: The exact format of the JSON document is subject to change.
### Controlling How Failures Are Reported
#### Detecting Test Premature Exit
Google Test implements the _premature-exit-file_ protocol for test runners
to catch any kind of unexpected exits of test programs. Upon start,
Google Test creates the file which will be automatically deleted after
all work has been finished. Then, the test runner can check if this file
exists. In case the file remains undeleted, the inspected test has exited
prematurely.
This feature is enabled only if the `TEST_PREMATURE_EXIT_FILE` environment
variable has been set.
#### Turning Assertion Failures into Break-Points
When running test programs under a debugger, it's very convenient if the