Method: Test::Unit::Assertions#assert_raise

Defined in:
lib/test/unit/assertions.rb

#assert_raise(*args) ⇒ Object



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# File 'lib/test/unit/assertions.rb', line 110

def assert_raise(*args)
  _wrap_assertion do
    if Module === args.last
      message = ""
    else
      message = args.pop
    end
    exceptions, modules = _check_exception_class(args)
    expected = args.size == 1 ? args.first : args
    actual_exception = nil
    full_message = build_message(message, "<?> exception expected but none was thrown.", expected)
    assert_block(full_message) do
      begin
        yield
      rescue Exception => actual_exception
        break
      end
      false
    end
    full_message = build_message(message, "<?> exception expected but was\n?", expected, actual_exception)
    assert_block(full_message) {_expected_exception?(actual_exception, exceptions, modules)}
    actual_exception
  end
end