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require "test/unit"
require "objspace"
class TestObjSpace < Test::Unit::TestCase
def test_memsize_of
assert_equal(0, ObjectSpace.memsize_of(true))
assert_equal(0, ObjectSpace.memsize_of(nil))
assert_equal(0, ObjectSpace.memsize_of(1))
assert_kind_of(Integer, ObjectSpace.memsize_of(Object.new))
assert_kind_of(Integer, ObjectSpace.memsize_of(Class))
assert_kind_of(Integer, ObjectSpace.memsize_of(""))
assert_kind_of(Integer, ObjectSpace.memsize_of([]))
assert_kind_of(Integer, ObjectSpace.memsize_of({}))
assert_kind_of(Integer, ObjectSpace.memsize_of(//))
f = File.new(__FILE__)
assert_kind_of(Integer, ObjectSpace.memsize_of(f))
f.close
assert_kind_of(Integer, ObjectSpace.memsize_of(/a/.match("a")))
assert_kind_of(Integer, ObjectSpace.memsize_of(Struct.new(:a)))
assert_operator(ObjectSpace.memsize_of(Regexp.new("(a)"*1000).match("a"*1000)),
:>,
ObjectSpace.memsize_of(//.match("")))
end
def test_memsize_of_all
assert_kind_of(Integer, a = ObjectSpace.memsize_of_all)
assert_kind_of(Integer, b = ObjectSpace.memsize_of_all(String))
assert(a > b)
assert(a > 0)
assert(b > 0)
assert_raise(TypeError) {ObjectSpace.memsize_of_all('error')}
end
def test_count_objects_size
res = ObjectSpace.count_objects_size
assert_equal(false, res.empty?)
assert_equal(true, res[:TOTAL] > 0)
arg = {}
ObjectSpace.count_objects_size(arg)
assert_equal(false, arg.empty?)
end
def test_count_nodes
res = ObjectSpace.count_nodes
assert_equal(false, res.empty?)
arg = {}
ObjectSpace.count_nodes(arg)
assert_equal(false, arg.empty?)
end
def test_count_tdata_objects
res = ObjectSpace.count_tdata_objects
assert_equal(false, res.empty?)
arg = {}
ObjectSpace.count_tdata_objects(arg)
assert_equal(false, arg.empty?)
end
end
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