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e93e38d165
GC events strictly. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42147 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
49 lines
1.3 KiB
Ruby
49 lines
1.3 KiB
Ruby
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_raises 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 = Bug.tracepoint_track_objspace_events{
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99
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'abc'
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v="foobar"
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Object.new
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nil
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}
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newobj_count, free_count, gc_start_count, gc_end_count, *newobjs = *result
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assert_equal 2, newobj_count
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assert_equal 2, newobjs.size
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assert_equal 'foobar', newobjs[0]
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assert_equal Object, newobjs[1].class
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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_count, *newobjs = *result
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assert_operator stat2[:total_allocated_object] - stat1[:total_allocated_object], :>=, newobj_count
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assert_operator 1_000_000, :<=, newobj_count
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assert_operator stat2[:total_freed_object] - stat1[:total_freed_object], :>=, 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_count
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assert_operator stat2[:count] - stat1[:count] - 1, :<=, gc_end_count
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end
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end
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