* ext/psych/emitter.c (line_width, set_line_width): preferred line may

  be set on the emitter.
* ext/psych/lib/psych/visitors/yaml_tree.rb: ditto
* test/psych/test_emitter.rb: corresponding tests.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28584 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 0 deletions

diff --git a/test/psych/test_emitter.rb b/test/psych/test_emitter.rb
index d7c6fff4ec..0554ae5f85 100644
--- a/test/psych/test_emitter.rb
+++ b/test/psych/test_emitter.rb
@@ -10,6 +10,12 @@ module Psych
       @emitter = Psych::Emitter.new @out
     end
 
+    def test_line_width
+      assert_equal 0, @emitter.line_width
+      assert_equal 10, @emitter.line_width = 10
+      assert_equal 10, @emitter.line_width
+    end
+
     def test_set_canonical
       @emitter.canonical = true
       assert_equal true, @emitter.canonical