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# -*- coding: utf-8 -*-
require_relative '../helper'
require 'utils'
require 'lib/test_unit_extensions'
require 'lib/weakstorage'
class TC_WeakStorage < Test::Unit::TestCase
def setup
end
must "size limited storage item insertion" do
sls = SizeLimitedStorage.new(Symbol, String, 8)
assert_equal(0, sls.using)
sls[:a] = "foo"
assert_equal("foo", sls[:a])
assert_equal(3, sls.using)
sls[:b] = "bar"
assert_equal("foo", sls[:a])
assert_equal("bar", sls[:b])
assert_equal(6, sls.using)
sls[:c] = "baz"
assert_nil(sls[:a])
assert_equal("bar", sls[:b])
assert_equal("baz", sls[:c])
assert_equal(6, sls.using)
sls[:d] = "pi"
assert_equal("bar", sls[:b])
assert_equal("baz", sls[:c])
assert_equal("pi", sls[:d])
assert_equal(8, sls.using)
assert(!sls.has_key?(:a))
assert(sls.has_key?(:b))
assert(sls.has_key?(:c))
assert(sls.has_key?(:d))
assert(!sls.has_key?(:e))
end
end
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