diff options
| -rw-r--r-- | lib/reline/kill_ring.rb | 12 | ||||
| -rw-r--r-- | test/reline/test_kill_ring.rb | 12 |
2 files changed, 24 insertions, 0 deletions
diff --git a/lib/reline/kill_ring.rb b/lib/reline/kill_ring.rb index 842fd04697..bb3684b42b 100644 --- a/lib/reline/kill_ring.rb +++ b/lib/reline/kill_ring.rb @@ -1,4 +1,6 @@ class Reline::KillRing + include Enumerable + module State FRESH = :fresh CONTINUED = :continued @@ -110,4 +112,14 @@ class Reline::KillRing nil end end + + def each + start = head = @ring.head + loop do + break if head.nil? + yield head.str + head = head.backward + break if head == start + end + end end diff --git a/test/reline/test_kill_ring.rb b/test/reline/test_kill_ring.rb index 8bebfe2177..9f6e0c3e74 100644 --- a/test/reline/test_kill_ring.rb +++ b/test/reline/test_kill_ring.rb @@ -253,4 +253,16 @@ class Reline::KillRing::Test < Reline::TestCase assert_equal(['AB', 'abcde'], @kill_ring.yank_pop) assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state)) end + + def test_enumerable + @kill_ring.append('a') + @kill_ring.process + @kill_ring.process + @kill_ring.append('b') + @kill_ring.process + @kill_ring.process + @kill_ring.append('c') + @kill_ring.process + assert_equal(%w{c b a}, @kill_ring.to_a) + end end |