2 files changed, 8 insertions, 0 deletions
diff --git a/test/psych/test_scalar_scanner.rb b/test/psych/test_scalar_scanner.rb
index 7ad18c557b..25999892bc 100644
--- a/test/psych/test_scalar_scanner.rb
+++ b/test/psych/test_scalar_scanner.rb
@@ -74,6 +74,10 @@ module Psych
       assert ss.tokenize('.nan').nan?
     end
 
+    def test_scan_float_with_exponent_but_no_fraction
+      assert_equal(0.0, ss.tokenize('0.E+0'))
+    end
+
     def test_scan_null
       assert_equal nil, ss.tokenize('null')
       assert_equal nil, ss.tokenize('~')
diff --git a/test/psych/test_string.rb b/test/psych/test_string.rb
index 51aef40858..25c6353cee 100644
--- a/test/psych/test_string.rb
+++ b/test/psych/test_string.rb
@@ -99,6 +99,10 @@ module Psych
       assert_cycle '+.'
     end
 
+    def test_float_with_no_fractional_before_exponent
+      assert_cycle '0.E+0'
+    end
+
     def test_string_subclass_with_anchor
       y = Psych.load <<-eoyml
 ---