* test/syck/*: Moved test/yaml to test/syck since it's actually

testing the syck YAML engine.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27292 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/syck/test_string.rb

@@ -0,0 +1,45 @@
+require 'test/unit'
+require 'yaml'
+
+module Syck
+  class TestString < Test::Unit::TestCase
+    def test_binary_string_null
+      string = "\x00"
+      yml = YAML.dump string
+      assert_match(/binary/, yml)
+      assert_equal string, YAML.load(yml)
+    end
+
+    def test_binary_string
+      string = binary_string
+      yml = YAML.dump string
+      assert_match(/binary/, yml)
+      assert_equal string, YAML.load(yml)
+    end
+
+    def test_non_binary_string
+      string = binary_string(0.29)
+      yml = YAML.dump string
+      refute_match(/binary/, yml)
+      assert_equal string, YAML.load(yml)
+    end
+
+    def test_string_with_ivars
+      food = "is delicious"
+      ivar = "on rock and roll"
+      food.instance_variable_set(:@we_built_this_city, ivar)
+
+      str = YAML.load YAML.dump food
+      assert_equal ivar, food.instance_variable_get(:@we_built_this_city)
+    end
+
+    def binary_string percentage = 0.31, length = 100
+      string = ''
+      (percentage * length).to_i.times do |i|
+        string << "\b"
+      end
+      string << 'a' * (length - string.length)
+      string
+    end
+  end
+end