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* enumerator.c (enumerator_initialize),
test/ruby/test_enumerator.rb: Add an ability to generate an enumerator from a block. [experimental] [ruby-dev:35903] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18863 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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4 changed files with 294 additions and 12 deletions
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@ -58,6 +58,7 @@ class TestEnumerator < Test::Unit::TestCase
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def test_initialize
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assert_equal([1, 2, 3], @obj.to_enum(:foo, 1, 2, 3).to_a)
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assert_equal([1, 2, 3], Enumerator.new(@obj, :foo, 1, 2, 3).to_a)
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assert_equal([1, 2, 3], Enumerator.new { |y| i = 0; loop { y << (i += 1) } }.take(3))
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assert_raise(ArgumentError) { Enumerator.new }
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end
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@ -66,6 +67,10 @@ class TestEnumerator < Test::Unit::TestCase
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e = @obj.to_enum(:foo, 1, 2, 3)
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assert_nothing_raised { assert_equal(1, e.next) }
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assert_raise(TypeError) { e.dup }
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e = Enumerator.new { |y| i = 0; loop { y << (i += 1) } }.dup
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assert_nothing_raised { assert_equal(1, e.next) }
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assert_raise(TypeError) { e.dup }
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end
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def test_gc
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