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* ext/objspace/object_tracing.c: add new 3 methods to control tracing.

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* ObjectSpace::trace_object_allocations_start
* ObjectSpace::trace_object_allocations_stop
* ObjectSpace::trace_object_allocations_clear
  And some refactoring.
* test/objspace/test_objspace.rb: add a test for new methods.
* NEWS: add a description for new methods.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43095 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ko1 2013-09-30 08:17:30 +00:00
parent 6a1a08c945
commit 1450e0b5ac
4 changed files with 168 additions and 39 deletions
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35
test/objspace/test_objspace.rb
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@ -109,7 +109,7 @@ class TestObjSpace < Test::Unit::TestCase
eom
end
def test_traceobject
def test_trace_object_allocations
o0 = Object.new
ObjectSpace.trace_object_allocations{
o1 = Object.new; line1 = __LINE__; c1 = GC.count
@ -139,4 +139,37 @@ class TestObjSpace < Test::Unit::TestCase
assert_equal(__method__, ObjectSpace.allocation_method_id(o3))
}
end
def test_trace_object_allocations_start_stop_clear
begin
ObjectSpace.trace_object_allocations_start
begin
ObjectSpace.trace_object_allocations_start
begin
ObjectSpace.trace_object_allocations_start
obj0 = Object.new
ensure
ObjectSpace.trace_object_allocations_stop
obj1 = Object.new
end
ensure
ObjectSpace.trace_object_allocations_stop
obj2 = Object.new
end
ensure
ObjectSpace.trace_object_allocations_stop
obj3 = Object.new
end
assert_equal(__FILE__, ObjectSpace.allocation_sourcefile(obj0))
assert_equal(__FILE__, ObjectSpace.allocation_sourcefile(obj1))
assert_equal(__FILE__, ObjectSpace.allocation_sourcefile(obj2))
assert_equal(nil , ObjectSpace.allocation_sourcefile(obj3)) # after tracing
ObjectSpace.trace_object_allocations_clear
assert_equal(nil, ObjectSpace.allocation_sourcefile(obj0))
assert_equal(nil, ObjectSpace.allocation_sourcefile(obj1))
assert_equal(nil, ObjectSpace.allocation_sourcefile(obj2))
assert_equal(nil, ObjectSpace.allocation_sourcefile(obj3))
end
end