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synced 2022-11-09 12:17:21 -05:00
88 lines
2.6 KiB
Ruby
88 lines
2.6 KiB
Ruby
# frozen_string_literal: false
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require 'test/unit'
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require '-test-/tracepoint'
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class TestTracepointObj < Test::Unit::TestCase
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def test_not_available_from_ruby
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assert_raise ArgumentError do
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TracePoint.trace(:obj_new){}
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end
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end
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def test_tracks_objspace_events
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result = EnvUtil.suppress_warning {eval(<<-EOS, nil, __FILE__, __LINE__+1)}
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Bug.tracepoint_track_objspace_events {
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99
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'abc'
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_="foobar"
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nil
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}
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EOS
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newobj_count, free_count, gc_start_count, gc_end_mark_count, gc_end_sweep_count, *newobjs = *result
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assert_equal 1, newobj_count
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assert_equal 1, newobjs.size
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assert_equal 'foobar', newobjs[0]
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assert_operator free_count, :>=, 0
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assert_operator gc_start_count, :==, gc_end_mark_count
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assert_operator gc_start_count, :>=, gc_end_sweep_count
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end
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def test_tracks_objspace_count
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stat1 = {}
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stat2 = {}
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GC.disable
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GC.stat(stat1)
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result = Bug.tracepoint_track_objspace_events{
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GC.enable
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1_000_000.times{''}
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GC.disable
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}
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GC.stat(stat2)
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GC.enable
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newobj_count, free_count, gc_start_count, gc_end_mark_count, gc_end_sweep_count, = *result
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assert_operator stat2[:total_allocated_objects] - stat1[:total_allocated_objects], :>=, newobj_count
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assert_operator 1_000_000, :<=, newobj_count
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assert_operator stat2[:total_freed_objects] + stat2[:heap_final_slots] - stat1[:total_freed_objects], :>=, free_count
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assert_operator stat2[:count] - stat1[:count], :==, gc_start_count
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assert_operator gc_start_count, :==, gc_end_mark_count
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assert_operator gc_start_count, :>=, gc_end_sweep_count
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assert_operator stat2[:count] - stat1[:count] - 1, :<=, gc_end_sweep_count
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end
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def test_tracepoint_specify_normal_and_internal_events
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assert_raise(TypeError){ Bug.tracepoint_specify_normal_and_internal_events }
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end
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def test_after_gc_start_hook_with_GC_stress
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bug8492 = '[ruby-dev:47400] [Bug #8492]: infinite after_gc_start_hook reentrance'
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assert_nothing_raised(Timeout::Error, bug8492) do
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assert_in_out_err(%w[-r-test-/tracepoint], <<-'end;', /\A[1-9]/, timeout: 2)
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count = 0
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hook = proc {count += 1}
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def run(hook)
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stress, GC.stress = GC.stress, false
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Bug.after_gc_start_hook = hook
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begin
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GC.stress = true
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3.times {Object.new}
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ensure
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GC.stress = stress
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Bug.after_gc_start_hook = nil
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end
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end
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run(hook)
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puts count
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end;
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end
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end
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def test_teardown_with_active_GC_end_hook
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assert_separately([], 'require("-test-/tracepoint"); Bug.after_gc_exit_hook = proc {}')
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end
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end
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