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author | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2021-02-12 12:21:49 +0900 |
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committer | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2021-02-12 12:21:49 +0900 |
commit | 1f0e0dfb228fd14b3f6687539ba274ba6a2d1643 (patch) | |
tree | 0d06f1dcea4a1d63004bf51f07408034dbf58f5e /test/ruby | |
parent | e8b210542b7d290d6c3feeff85221ed7303d2aab (diff) |
Thread::Queue.new should accept an Enumerable [Feature #17327]
Enumerable implements #to_a but not #to_array.
Diffstat (limited to 'test/ruby')
-rw-r--r-- | test/ruby/test_thread_queue.rb | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/ruby/test_thread_queue.rb b/test/ruby/test_thread_queue.rb index b0fa878814..6185abff9f 100644 --- a/test/ruby/test_thread_queue.rb +++ b/test/ruby/test_thread_queue.rb @@ -54,6 +54,28 @@ class TestThreadQueue < Test::Unit::TestCase assert_equal 0, to_workers.size end + def test_queue_initialize + e = Class.new do + include Enumerable + def initialize(list) @list = list end + def each(&block) @list.each(&block) end + end + + all_assertions_foreach(nil, + [Array, "Array"], + [e, "Enumerable"], + [Struct.new(:to_a), "Array-like"], + ) do |a, type| + q = Queue.new(a.new([1,2,3])) + assert_equal(3, q.size, type) + assert_not_predicate(q, :empty?, type) + assert_equal(1, q.pop, type) + assert_equal(2, q.pop, type) + assert_equal(3, q.pop, type) + assert_predicate(q, :empty?, type) + end + end + def test_sized_queue_initialize q = SizedQueue.new(1) assert_equal 1, q.max |