diff options
| -rw-r--r-- | test/test_jsinterp.py | 10 | ||||
| -rw-r--r-- | test/test_youtube_signature.py | 4 | ||||
| -rw-r--r-- | yt_dlp/jsinterp.py | 7 |
3 files changed, 20 insertions, 1 deletions
diff --git a/test/test_jsinterp.py b/test/test_jsinterp.py index 3283657d7..26711502a 100644 --- a/test/test_jsinterp.py +++ b/test/test_jsinterp.py @@ -445,6 +445,16 @@ class TestJSInterpreter(unittest.TestCase): jsi = JSInterpreter('function x(){return 1236566549 << 5}') self.assertEqual(jsi.call_function('x'), 915423904) + def test_bitwise_operators_typecast(self): + jsi = JSInterpreter('function x(){return null << 5}') + self.assertEqual(jsi.call_function('x'), 0) + + jsi = JSInterpreter('function x(){return undefined >> 5}') + self.assertEqual(jsi.call_function('x'), 0) + + jsi = JSInterpreter('function x(){return 42 << NaN}') + self.assertEqual(jsi.call_function('x'), 42) + def test_negative(self): jsi = JSInterpreter("function f(){return 2 * -2.0;}") self.assertEqual(jsi.call_function('f'), -4) diff --git a/test/test_youtube_signature.py b/test/test_youtube_signature.py index e2b3f0870..13120d97f 100644 --- a/test/test_youtube_signature.py +++ b/test/test_youtube_signature.py @@ -146,6 +146,10 @@ _NSIG_TESTS = [ 'https://www.youtube.com/s/player/6f20102c/player_ias.vflset/en_US/base.js', 'lE8DhoDmKqnmJJ', 'pJTTX6XyJP2BYw', ), + ( + 'https://www.youtube.com/s/player/cfa9e7cb/player_ias.vflset/en_US/base.js', + 'aCi3iElgd2kq0bxVbQ', 'QX1y8jGb2IbZ0w', + ), ] diff --git a/yt_dlp/jsinterp.py b/yt_dlp/jsinterp.py index 5571ecfeb..965b1c0f2 100644 --- a/yt_dlp/jsinterp.py +++ b/yt_dlp/jsinterp.py @@ -20,7 +20,12 @@ from .utils import ( def _js_bit_op(op): def zeroise(x): - return 0 if x in (None, JS_Undefined) else x + if x in (None, JS_Undefined): + return 0 + with contextlib.suppress(TypeError): + if math.isnan(x): # NB: NaN cannot be checked by membership + return 0 + return x def wrapped(a, b): return op(zeroise(a), zeroise(b)) & 0xffffffff |