Spec::Matchers::InstanceExec

Public Instance Methods

instance_exec(*args, &block) click to toggle source

based on Bounded Spec InstanceExec (Mauricio Fernandez) 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

    # File lib/spec/extensions/instance_exec.rb, line 12
12:         def instance_exec(*args, &block)
13:           singleton_class = (class << self; self; end)
14:           begin
15:             orig_critical, Thread.critical = Thread.critical, true
16:             n = 0
17:             n += 1 while respond_to?(method_name="__instance_exec#{n}")
18:             singleton_class.module_eval{ define_method(:__instance_exec, &block) }
19:           ensure
20:             Thread.critical = orig_critical
21:           end
22:           begin
23:             return send(:__instance_exec, *args)
24:           ensure
25:             singleton_class.module_eval{ remove_method(:__instance_exec) } rescue nil
26:           end
27:         end

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Spec::Matchers::InstanceExec

Public Instance Methods