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SKIP_REGULAR_EXPRESSION
-----------------------
.. versionadded:: 3.16
If the test output (stderr or stdout) matches this regular expression the test
will be marked as skipped, regardless of the process exit code. Tests that
exceed the timeout specified by :prop_test:`TIMEOUT` still fail regardless of
``SKIP_REGULAR_EXPRESSION``. System-level test failures including segmentation
faults, signal abort, or heap errors may fail the test even if the regular
expression matches.
Example:
.. code-block:: cmake
add_test(NAME mytest COMMAND ${CMAKE_COMMAND} -E echo "Skipped this test")
set_property(TEST mytest PROPERTY
SKIP_REGULAR_EXPRESSION "[^a-z]Skip" "SKIP" "Skipped"
)
``SKIP_REGULAR_EXPRESSION`` expects a list of regular expressions.
To run a test that may have a system-level failure, but still skip if
``SKIP_REGULAR_EXPRESSION`` matches, use a CMake command to wrap the
executable run. Note that this will prevent automatic handling of the
:prop_tgt:`CROSSCOMPILING_EMULATOR` and :prop_tgt:`TEST_LAUNCHER`
target property.
.. code-block:: cmake
add_executable(main main.c)
add_test(NAME sigabrt COMMAND ${CMAKE_COMMAND} -E env $<TARGET_FILE:main>)
set_property(TEST sigabrt PROPERTY SKIP_REGULAR_EXPRESSION "SIGABRT;[aA]bort")
.. code-block:: c
#include <signal.h>
int main(void){ raise(SIGABRT); return 0; }
See also the :prop_test:`SKIP_RETURN_CODE`,
:prop_test:`PASS_REGULAR_EXPRESSION`, and :prop_test:`FAIL_REGULAR_EXPRESSION`
test properties.
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