如何指定使用Boost.Test应该会有异常? [英] How do you specify that an exception should be expected using Boost.Test?
问题描述
我可以通过使用BOOST_AUTO_TEST_CASE_EXPECTED_FAILURES指定测试应该有一定数量的故障,但是这似乎是非特定的。我想能够在测试中的一个特定点说出应该抛出一个异常,并且不应该被视为失败。
这不行吗?
BOOST_CHECK_THROW(expression,an_exception_type);
如果表达式抛出给定的异常类型或失败,则应该导致测试通过。如果您需要与CHECK不同的严重性,您还可以使用 BOOST_WARN_THROW()
或 BOOST_REQUIRE_THROW()
。请参见文档
I have a Boost unit test case which causes the object under test to throw an exception (that's the test, to cause an exception). How do I specify in the test to expect that particular exception.
I can specify that the test should have a certain number of failures by using BOOST_AUTO_TEST_CASE_EXPECTED_FAILURES but that seems rather unspecific. I want to be able to say at a specific point in the test that an exception should be thrown and that it should not be counted as a failure.
Doesn't this work?
BOOST_CHECK_THROW (expression, an_exception_type);
That should cause the test to pass if the expression throws the given exception type or fail otherwise. If you need a different severity than 'CHECK', you could also use BOOST_WARN_THROW()
or BOOST_REQUIRE_THROW()
instead. See the documentation
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