[jsinterp] Fix bug in operator precedence

* from https://github.com/yt-dlp/yt-dlp/commit/164b03c4864b0d44cfee5e7702f7c2317164a6cf
* added tests

2 files changed, 29 insertions, 0 deletions

diff --git a/test/test_jsinterp.py b/test/test_jsinterp.py
index 96786a84c..0a97bdbc4 100644
--- a/test/test_jsinterp.py
+++ b/test/test_jsinterp.py
@@ -192,6 +192,31 @@ class TestJSInterpreter(unittest.TestCase):
         ''')
         self.assertEqual(jsi.call_function('x'), 10)
 
+    def test_catch(self):
+        jsi = JSInterpreter('''
+        function x() { try{throw 10} catch(e){return 5} }
+        ''')
+        self.assertEqual(jsi.call_function('x'), 5)
+
+    @unittest.expectedFailure
+    def test_finally(self):
+        jsi = JSInterpreter('''
+        function x() { try{throw 10} finally {return 42} }
+        ''')
+        self.assertEqual(jsi.call_function('x'), 42)
+        jsi = JSInterpreter('''
+        function x() { try{throw 10} catch(e){return 5} finally {return 42} }
+        ''')
+        self.assertEqual(jsi.call_function('x'), 42)
+
+    def test_nested_try(self):
+        jsi = JSInterpreter('''
+        function x() {try {
+            try{throw 10} finally {throw 42} 
+            } catch(e){return 5} }
+        ''')
+        self.assertEqual(jsi.call_function('x'), 5)
+
     def test_for_loop_continue(self):
         jsi = JSInterpreter('''
         function x() { a=0; for (i=0; i-10; i++) { continue; a++ } return a }
diff --git a/test/test_youtube_signature.py b/test/test_youtube_signature.py
index 327d4c40d..4bb0a30b0 100644
--- a/test/test_youtube_signature.py
+++ b/test/test_youtube_signature.py
@@ -111,6 +111,10 @@ _NSIG_TESTS = [
         'https://www.youtube.com/s/player/1f7d5369/player_ias.vflset/en_US/base.js',
         'batNX7sYqIJdkJ', 'IhOkL_zxbkOZBw',
     ),
+    (
+        'https://www.youtube.com/s/player/dc0c6770/player_ias.vflset/en_US/base.js',
+        '5EHDMgYLV6HPGk_Mu-kk', 'n9lUJLHbxUI0GQ',
+    ),
 ]