Method: Arrow::TestCase#assert_has_ivar

Defined in:
lib/arrow/testcase.rb

#assert_has_ivar(sym, object) ⇒ Object

Assert that the specified object has an instance variable which matches the specified sym. The ‘@’ at the beginning of the sym will be prepended if not present.



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# File 'lib/arrow/testcase.rb', line 399

def assert_has_ivar( sym, object )
	sym = "@#{sym}" unless /^@/ =~ sym.to_s
	msg = "Object <%s> expected to have an instance variable <%s>" %
		[ object.inspect, sym ]
	assert_block( msg ) {
		object.instance_variables.include?( sym.to_s )
	}
rescue Test::Unit::AssertionFailedError => err
	cutframe = err.backtrace.reverse.find {|frame|
		/assert_has_ivar/ =~ frame
	}
	firstIdx = (err.backtrace.rindex( cutframe )||0) + 1
	Kernel.raise( err, err.message, err.backtrace[firstIdx..-1] )
end