libs/test/doc/testing_tools/testing_tools.qbk
[/ / Copyright (c) 2003 Boost.Test contributors / / Distributed under the Boost Software License, Version 1.0. (See accompanying / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) /] [section:testing_tools Writing unit tests] Once a test case has been declared, the body of this test should be written. A test case is a sequence of operations in which *assertions* are inserted. Those assertions evaluate /statements/ that implement the expectation being validated, and report failures and/or information in a uniform manner, depending on the [link boost_test.utf_reference.rt_param_reference.log_level log level]. The __UTF__'s supplies a toolbox of assertions to ease the creation and maintenance of test cases and provide a uniform error reporting mechanism. The toolbox supplied is in most part in a form of macro declarations. An (almost) unique interface to all of them implemented by the macro __BOOST_TEST__. [note All macros arguments are calculated once, so it's safe to pass complex expressions in their place.] All tools automatically supply an error location: a file name and a line number, which can also be overridden. [caution The testing tools are intended for unit test code rather than library or production code, where throwing exceptions, using `assert()`, `boost::concept_check` or `BOOST_STATIC_ASSERT()` may be more suitable ways to detect and report errors.] For a list of all supplied testing tools and usage examples, see the [link boost_test.testing_tools.summary summary] or the [link boost_test.utf_reference.testing_tool_ref reference]. [include assertions_severity_levels.qbk] [include boost_test_universal_macro.qbk] [include boost_test_reported_information.qbk] [section:extended_comparison Extended comparisons support] [include testing_floating_points.qbk] [include boost_test_string_comparison.qbk] [include boost_test_collection_comparison.qbk] [include boost_test_bitwise_comparison.qbk] [endsect] [include testing_exception_correctness.qbk] [include timeout.qbk] [include expected_failures.qbk] [include custom_predicates.qbk] [include testing_output_streams.qbk] [include boost_test_technical_details.qbk] [include boost_test_debugging.qbk] [include testing_tools_summary.qbk] [endsect] [/ testing tools]