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-rw-r--r--jni/ruby/test/-ext-/tracepoint/test_tracepoint.rb79
1 files changed, 79 insertions, 0 deletions
diff --git a/jni/ruby/test/-ext-/tracepoint/test_tracepoint.rb b/jni/ruby/test/-ext-/tracepoint/test_tracepoint.rb
new file mode 100644
index 0000000..b5a6e76
--- /dev/null
+++ b/jni/ruby/test/-ext-/tracepoint/test_tracepoint.rb
@@ -0,0 +1,79 @@
+require 'test/unit'
+require '-test-/tracepoint'
+
+class TestTracepointObj < Test::Unit::TestCase
+ def test_not_available_from_ruby
+ assert_raise ArgumentError do
+ TracePoint.trace(:obj_new){}
+ end
+ end
+
+ def test_tracks_objspace_events
+ result = Bug.tracepoint_track_objspace_events{
+ 99
+ 'abc'
+ _="foobar"
+ Object.new
+ nil
+ }
+
+ newobj_count, free_count, gc_start_count, gc_end_mark_count, gc_end_sweep_count, *newobjs = *result
+ assert_equal 2, newobj_count
+ assert_equal 2, newobjs.size
+ assert_equal 'foobar', newobjs[0]
+ assert_equal Object, newobjs[1].class
+ assert_operator free_count, :>=, 0
+ assert_operator gc_start_count, :==, gc_end_mark_count
+ assert_operator gc_start_count, :>=, gc_end_sweep_count
+ end
+
+ def test_tracks_objspace_count
+ stat1 = {}
+ stat2 = {}
+ GC.disable
+ GC.stat(stat1)
+ result = Bug.tracepoint_track_objspace_events{
+ GC.enable
+ 1_000_000.times{''}
+ GC.disable
+ }
+ GC.stat(stat2)
+ GC.enable
+
+ newobj_count, free_count, gc_start_count, gc_end_mark_count, gc_end_sweep_count, *newobjs = *result
+
+ assert_operator stat2[:total_allocated_objects] - stat1[:total_allocated_objects], :>=, newobj_count
+ assert_operator 1_000_000, :<=, newobj_count
+
+ assert_operator stat2[:total_freed_objects] + stat2[:heap_final_slots] - stat1[:total_freed_objects], :>=, free_count
+ assert_operator stat2[:count] - stat1[:count], :==, gc_start_count
+
+ assert_operator gc_start_count, :==, gc_end_mark_count
+ assert_operator gc_start_count, :>=, gc_end_sweep_count
+ assert_operator stat2[:count] - stat1[:count] - 1, :<=, gc_end_sweep_count
+ end
+
+ def test_tracepoint_specify_normal_and_internal_events
+ assert_raise(TypeError){ Bug.tracepoint_specify_normal_and_internal_events }
+ end
+
+ def test_after_gc_start_hook_with_GC_stress
+ bug8492 = '[ruby-dev:47400] [Bug #8492]: infinite after_gc_start_hook reentrance'
+ assert_nothing_raised(Timeout::Error, bug8492) do
+ assert_in_out_err(%w[-r-test-/tracepoint], <<-'end;', /\A[1-9]/, timeout: 2)
+ stress, GC.stress = GC.stress, false
+ count = 0
+ Bug.after_gc_start_hook = proc {count += 1}
+ begin
+ GC.stress = true
+ 3.times {Object.new}
+ ensure
+ GC.stress = stress
+ Bug.after_gc_start_hook = nil
+ end
+ puts count
+ end;
+ end
+ end
+
+end