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require 'test/unit'
class TestGc < Test::Unit::TestCase
class S
def initialize(a)
@a = a
end
end
def test_gc
prev_stress = GC.stress
GC.stress = false
assert_nothing_raised do
1.upto(10000) {
tmp = [0,1,2,3,4,5,6,7,8,9]
}
tmp = nil
end
l=nil
100000.times {
l = S.new(l)
}
GC.start
assert true # reach here or dumps core
l = []
100000.times {
l.push([l])
}
GC.start
assert true # reach here or dumps core
GC.stress = prev_stress
end
def test_enable_disable
GC.enable
assert_equal(false, GC.enable)
assert_equal(false, GC.disable)
assert_equal(true, GC.disable)
assert_equal(true, GC.disable)
assert_nil(GC.start)
assert_equal(true, GC.enable)
assert_equal(false, GC.enable)
ensure
GC.enable
end
def test_count
c = GC.count
GC.start
assert_operator(c, :<, GC.count)
end
def test_stat
res = GC.stat
assert_equal(false, res.empty?)
assert_kind_of(Integer, res[:count])
arg = Hash.new
res = GC.stat(arg)
assert_equal(arg, res)
assert_equal(false, res.empty?)
assert_kind_of(Integer, res[:count])
end
end
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