Method: Test::Unit::Assertions#assert_not_predicate

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

#assert_not_predicate(object, predicate, message = nil) ⇒ Object Also known as: refute_predicate

Passes if ‘object`.`predicate` is false or nil.

Examples:

assert_not_predicate([1], :empty?) # -> pass
assert_not_predicate([], :empty?)  # -> fail



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# File 'lib/test/unit/assertions.rb', line 1553

def assert_not_predicate(object, predicate, message=nil)
  _wrap_assertion do
    assert_respond_to(object, predicate, message)
    actual = object.__send__(predicate)
    full_message = build_message(message,
                                 "<?>.? is false value expected but was\n" +
                                 "<?>",
                                 object,
                                 AssertionMessage.literal(predicate),
                                 actual)
    assert_block(full_message) do
      not actual
    end
  end
end