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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
ruby_version_is "3.1" do
describe 'TracePoint.allow_reentry' do
it 'allows the reentrance in a given block' do
event_lines = []
l1 = l2 = l3 = l4 = nil
TracePoint.new(:line) do |tp|
next unless TracePointSpec.target_thread?
event_lines << tp.lineno
next if (__LINE__ + 2 .. __LINE__ + 4).cover?(tp.lineno)
TracePoint.allow_reentry do
a = 1; l3 = __LINE__
b = 2; l4 = __LINE__
end
end.enable do
c = 3; l1 = __LINE__
d = 4; l2 = __LINE__
end
event_lines.should == [l1, l3, l4, l2, l3, l4]
end
it 'raises RuntimeError when not called inside a TracePoint' do
-> {
TracePoint.allow_reentry{}
}.should raise_error(RuntimeError)
end
end
end
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