* ext/psych/lib/psych/scalar_scanner.rb: strip trailing dots from

  floats so that Float() will not raise an exception.

* test/psych/test_numeric.rb: test to ensure "1." can be loaded

* test/psych/test_string.rb: make sure "1." can round trip

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38754 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 8 insertions, 0 deletions

diff --git a/test/psych/test_numeric.rb b/test/psych/test_numeric.rb
index 200a9f0171..0858e799aa 100644
--- a/test/psych/test_numeric.rb
+++ b/test/psych/test_numeric.rb
@@ -16,6 +16,10 @@ module Psych
       $DEBUG = @old_debug
     end
 
+    def test_load_float_with_dot
+      assert_equal 1.0, Psych.load('--- 1.')
+    end
+
     def test_non_float_with_0
       str = Psych.load('--- 090')
       assert_equal '090', str
diff --git a/test/psych/test_string.rb b/test/psych/test_string.rb
index 0c5d4d2625..aa6866b618 100644
--- a/test/psych/test_string.rb
+++ b/test/psych/test_string.rb
@@ -102,6 +102,10 @@ module Psych
       assert_cycle string
     end
 
+    def test_float_confusion
+      assert_cycle '1.'
+    end
+
     def binary_string percentage = 0.31, length = 100
       string = ''
       (percentage * length).to_i.times do |i|