method

assert_raise

v1_8_6_287 - Show latest stable - Class: Test::Unit::Assertions

assert_raise(*args)

public

Passes if the block raises one of the given exceptions.

Example:

  assert_raise RuntimeError, LoadError do
    raise 'Boom!!!'
  end

# File lib/test/unit/assertions.rb, line 111
      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

1Note

Typo

olitreadwell · Apr 2, 2015

"Acceptable exception types maye be given as optional arguments. If the last argument is a String, it will be used as the error message."

"Acceptable exception types may be given as optional arguments. If the last argument is a String, it will be used as the error message."

assert_raise

1Note

Typo

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