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# encoding: UTF-8
# frozen_string_literal: true
require_relative 'test_utils'
require 'concurrent'
class TCStringDeduper < Minitest::Test
include TZInfo
def test_string_deduper_dedupe
dedupe_tests(StringDeduper.new)
end
def test_concurrent_string_deduper_dedupe
dedupe_tests(ConcurrentStringDeduper.new)
end
if TZInfo.const_defined?(:UnaryMinusGlobalStringDeduper)
def test_unary_minus_global_string_deduper
dedupe_tests(UnaryMinusGlobalStringDeduper.new)
end
end
def test_global_uses_unary_minus_when_available
global = StringDeduper.global
if RUBY_VERSION >= '2.5'
assert_kind_of(UnaryMinusGlobalStringDeduper, global)
else
assert_kind_of(StringDeduper, global)
end
end
def test_global_returns_same_instance
global = StringDeduper.global
assert_same(global, StringDeduper.global)
end
def test_global_dedupe
dedupe_tests(StringDeduper.global)
end
private
def dedupe_tests(sd)
s1 = rand.to_s
s2 = s1.dup
s3 = s1.dup.freeze
refute_same(s1, s2)
refute_same(s1, s3)
assert_equal(false, s1.frozen?)
assert_equal(false, s2.frozen?)
assert_equal(true, s3.frozen?)
r1 = sd.dedupe(s1)
assert_equal(s1, r1)
refute_same(s1, r1)
assert_equal(false, s1.frozen?)
assert_equal(true, r1.frozen?)
r2 = sd.dedupe(s2)
assert_equal(false, s2.frozen?)
assert_same(r1, r2)
r3 = sd.dedupe(s3)
assert_equal(s3, r3)
refute_same(r1, r3)
end
def dedupe_tests_with_hash_class_check(sd, hash_class)
assert_same(hash_class, sd.hash_class)
dedupe_tests(sd)
end
end
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