Parameter output_format combines an effect of report_format and log_format parameters. This parameter does not have a default value. The only acceptable values are string names of output formats (see below).

	Note
	This parameter has precedence over report_format and log_format on the command line.

Acceptable values

Enumeration name:

HRF stands for human readable format, while XML is dedicated to automated output processing

Command line syntax

Environment variable

BOOST_TEST_OUTPUT_FORMAT