Method: Minitest::Assertions#assert_predicate

Defined in:
lib/minitest/assertions.rb

#assert_predicate(o1, op, msg = nil) ⇒ Object

For testing with predicates. Eg:

assert_predicate str, :empty?

This is really meant for specs and is front-ended by assert_operator:

str.must_be :empty?



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# File 'lib/minitest/assertions.rb', line 391

def assert_predicate o1, op, msg = nil
  msg = message(msg) { "Expected #{mu_pp o1} to be #{op}" }
  assert o1.__send__(op), msg
end