method

assert_nothing_thrown

v2_1_10 - Show latest stable - Class: Test::Unit::Assertions

assert_nothing_thrown(msg=nil)

public

Fails if the given block uses a call to Kernel#throw, and returns the result of the block otherwise.

An optional failure message may be provided as the final argument.

assert_nothing_thrown "Something was thrown!" do
  throw :problem?
end

# File lib/test/unit/assertions.rb, line 170
      def assert_nothing_thrown(msg=nil)
        begin
          ret = yield
        rescue ArgumentError => error
          raise error if /\Auncaught throw (.+)\z/ !~ error.message
          msg = message(msg) { "<#{$1}> was thrown when nothing was expected" }
          flunk(msg)
        end
        assert(true, "Expected nothing to be thrown")
        ret
      end

assert_nothing_thrown

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