1 files changed, 7 insertions, 4 deletions
diff --git a/spec/ruby/language/regexp/character_classes_spec.rb b/spec/ruby/language/regexp/character_classes_spec.rb
index 0cf1e9b6f4..98d431a817 100644
--- a/spec/ruby/language/regexp/character_classes_spec.rb
+++ b/spec/ruby/language/regexp/character_classes_spec.rb
@@ -609,10 +609,13 @@ describe "Regexp with character classes" do
     "루비(Ruby)".match(/\p{Hangul}+/u).to_a.should == ["루비"]
   end
 
-  ruby_bug "#17340", ''...'3.0' do
-    it "raises a RegexpError for an unterminated unicode property" do
-      -> { Regexp.new('\p{') }.should raise_error(RegexpError)
-    end
+  it "supports negated property condition" do
+    "a".match(eval("/\P{L}/")).should be_nil
+    "1".match(eval("/\P{N}/")).should be_nil
+  end
+
+  it "raises a RegexpError for an unterminated unicode property" do
+    -> { Regexp.new('\p{') }.should raise_error(RegexpError)
   end
 
   it "supports \\X (unicode 9.0 with UTR #51 workarounds)" do