Boost C++ Libraries

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This is the documentation for a snapshot of the master branch, built from commit 1ae620108f.
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log_level

Parameter log_level allows to set the Unit Test Framework log level. Log level defines the verbosity of the testing log produced by a testing module. The verbosity ranges from a complete log, when all assertions (both successful and failing) are reported and all notifications about test units start and finish are included, to an empty log, when nothing is reported to a testing log stream.

Log level is set to one of the predefined levels which are organized hierarchically, where each level includes all the messages on that level as well as all the messages from levels below. Levels are identified by string names, which are listed next.

Acceptable values

Following is the list of enumeration log_level names ordered from higher to lower level. Thus each level includes messages on that level as well as all the messages on levels defined below.

Value

Included messages

all (default for JUNIT)

All log messages including the passed assertions notification

success

The same as all

test_suite

Test units start/finish notifications

message

User generated messages (using BOOST_TEST_MESSAGE tool)

warning

Messages describing failed assertion on WARN level ( BOOST_TEST_WARN / BOOST_WARN_... tools)

error (default for HRF and XML)

Messages describing failed assertion on CHECK level (BOOST_TEST / BOOST_CHECK_... tools)

cpp_exception

Messages reporting uncaught C++ exception

system_error

Messages reporting system originated non-fatal errors. For example, timeout or floating point exception.

fatal_error

Messages reporting user or system originated fatal errors. For example, memory access violation. Also all the messages describing failed assertion on REQUIRE level (BOOST_TEST_REQUIRE / BOOST_REQUIRE_... tools)

nothing

No messages are reported.

[Caution] Caution

the JUNIT log format does not accept the log level to change: anything specified by log_level will be ignored for the JUNIT format.

Command line syntax
Environment variable
BOOST_TEST_LOG_LEVEL

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