Method: MiniTest::Assertions#assert_kind_of

Defined in:
lib/minitest/unit.rb

#assert_kind_of(cls, obj, msg = nil) ⇒ Object

Fails unless obj is a kind of cls.

[View source]

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# File 'lib/minitest/unit.rb', line 164

def assert_kind_of cls, obj, msg = nil # TODO: merge with instance_of
  msg = message(msg) {
    "Expected #{mu_pp(obj)} to be a kind of #{cls}, not #{obj.class}" }

  assert obj.kind_of?(cls), msg
end