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Contents
module Rspec
module Matchers
module InstanceExec
unless respond_to?(:instance_exec)
# based on Bounded Spec InstanceExec (Mauricio Fernandez)
# http://eigenclass.org/hiki/bounded+space+instance_exec
# - uses singleton_class of matcher instead of global
# InstanceExecHelper module
# - this keeps it scoped to this class only, which is the
# only place we need it
# - only necessary for ruby 1.8.6
def instance_exec(*args, &block)
singleton_class = (class << self; self; end)
begin
orig_critical, Thread.critical = Thread.critical, true
n = 0
n += 1 while respond_to?(method_name="__instance_exec#{n}")
singleton_class.module_eval{ define_method(:__instance_exec, &block) }
ensure
Thread.critical = orig_critical
end
begin
return send(:__instance_exec, *args)
ensure
singleton_class.module_eval{ remove_method(:__instance_exec) } rescue nil
end
end
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems