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require_relative '../../spec_helper'
ruby_version_is "2.6" do
describe 'TracePoint#parameters' do
it 'returns the parameters of block' do
f = proc {|x, y, z| }
parameters = nil
TracePoint.new(:b_call) {|tp| parameters = tp.parameters }.enable do
f.call
parameters.should == [[:opt, :x], [:opt, :y], [:opt, :z]]
end
end
it 'returns the parameters of lambda block' do
f = -> x, y, z { }
parameters = nil
TracePoint.new(:b_call) {|tp| parameters = tp.parameters }.enable do
f.call(1, 2, 3)
parameters.should == [[:req, :x], [:req, :y], [:req, :z]]
end
end
end
end
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