[yt-dlp.git] / test / test_jsinterp.py

#!/usr/bin/env python3

# Allow direct execution
import os
import sys
import unittest

sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

import math

from yt_dlp.jsinterp import JS_Undefined, JSInterpreter


class NaN:
    pass


class TestJSInterpreter(unittest.TestCase):
    def _test(self, jsi_or_code, expected, func='f', args=()):
        if isinstance(jsi_or_code, str):
            jsi_or_code = JSInterpreter(jsi_or_code)
        got = jsi_or_code.call_function(func, *args)
        if expected is NaN:
            self.assertTrue(math.isnan(got), f'{got} is not NaN')
        else:
            self.assertEqual(got, expected)

    def test_basic(self):
        jsi = JSInterpreter('function f(){;}')
        self.assertEqual(repr(jsi.extract_function('f')), 'F<f>')
        self._test(jsi, None)

        self._test('function f(){return 42;}', 42)
        self._test('function f(){42}', None)
        self._test('var f = function(){return 42;}', 42)

    def test_div(self):
        jsi = JSInterpreter('function f(a, b){return a / b;}')
        self._test(jsi, NaN, args=(0, 0))
        self._test(jsi, NaN, args=(JS_Undefined, 1))
        self._test(jsi, float('inf'), args=(2, 0))
        self._test(jsi, 0, args=(0, 3))

    def test_calc(self):
        self._test('function f(a){return 2*a+1;}', 7, args=[3])

    def test_empty_return(self):
        self._test('function f(){return; y()}', None)

    def test_morespace(self):
        self._test('function f (a) { return 2 * a + 1 ; }', 7, args=[3])
        self._test('function f () { x =  2  ; return x; }', 2)

    def test_strange_chars(self):
        self._test('function $_xY1 ($_axY1) { var $_axY2 = $_axY1 + 1; return $_axY2; }',
                   21, args=[20], func='$_xY1')

    def test_operators(self):
        self._test('function f(){return 1 << 5;}', 32)
        self._test('function f(){return 2 ** 5}', 32)
        self._test('function f(){return 19 & 21;}', 17)
        self._test('function f(){return 11 >> 2;}', 2)
        self._test('function f(){return []? 2+3: 4;}', 5)
        self._test('function f(){return 1 == 2}', False)
        self._test('function f(){return 0 && 1 || 2;}', 2)
        self._test('function f(){return 0 ?? 42;}', 0)
        self._test('function f(){return "life, the universe and everything" < 42;}', False)

    def test_array_access(self):
        self._test('function f(){var x = [1,2,3]; x[0] = 4; x[0] = 5; x[2.0] = 7; return x;}', [5, 2, 7])

    def test_parens(self):
        self._test('function f(){return (1) + (2) * ((( (( (((((3)))))) )) ));}', 7)
        self._test('function f(){return (1 + 2) * 3;}', 9)

    def test_quotes(self):
        self._test(R'function f(){return "a\"\\("}', R'a"\(')

    def test_assignments(self):
        self._test('function f(){var x = 20; x = 30 + 1; return x;}', 31)
        self._test('function f(){var x = 20; x += 30 + 1; return x;}', 51)
        self._test('function f(){var x = 20; x -= 30 + 1; return x;}', -11)

    @unittest.skip('Not implemented')
    def test_comments(self):
        self._test('''
            function f() {
                var x = /* 1 + */ 2;
                var y = /* 30
                * 40 */ 50;
                return x + y;
            }
        ''', 52)

        self._test('''
            function f() {
                var x = "/*";
                var y = 1 /* comment */ + 2;
                return y;
            }
        ''', 3)

    def test_precedence(self):
        self._test('''
            function f() {
                var a = [10, 20, 30, 40, 50];
                var b = 6;
                a[0]=a[b%a.length];
                return a;
            }
        ''', [20, 20, 30, 40, 50])

    def test_builtins(self):
        self._test('function f() { return NaN }', NaN)

    def test_date(self):
        self._test('function f() { return new Date("Wednesday 31 December 1969 18:01:26 MDT") - 0; }', 86000)

        jsi = JSInterpreter('function f(dt) { return new Date(dt) - 0; }')
        self._test(jsi, 86000, args=['Wednesday 31 December 1969 18:01:26 MDT'])
        self._test(jsi, 86000, args=['12/31/1969 18:01:26 MDT'])  # m/d/y
        self._test(jsi, 0, args=['1 January 1970 00:00:00 UTC'])

    def test_call(self):
        jsi = JSInterpreter('''
            function x() { return 2; }
            function y(a) { return x() + (a?a:0); }
            function z() { return y(3); }
        ''')
        self._test(jsi, 5, func='z')
        self._test(jsi, 2, func='y')

    def test_if(self):
        self._test('''
            function f() {
                let a = 9;
                if (0==0) {a++}
                return a
            }
        ''', 10)

        self._test('''
            function f() {
                if (0==0) {return 10}
            }
        ''', 10)

        self._test('''
            function f() {
                if (0!=0) {return 1}
                else {return 10}
            }
        ''', 10)

        """  # Unsupported
        self._test('''
            function f() {
                if (0!=0) {return 1}
                else if (1==0) {return 2}
                else {return 10}
            }
        ''', 10)
        """

    def test_for_loop(self):
        self._test('function f() { a=0; for (i=0; i-10; i++) {a++} return a }', 10)

    def test_switch(self):
        jsi = JSInterpreter('''
            function f(x) { switch(x){
                case 1:x+=1;
                case 2:x+=2;
                case 3:x+=3;break;
                case 4:x+=4;
                default:x=0;
            } return x }
        ''')
        self._test(jsi, 7, args=[1])
        self._test(jsi, 6, args=[3])
        self._test(jsi, 0, args=[5])

    def test_switch_default(self):
        jsi = JSInterpreter('''
            function f(x) { switch(x){
                case 2: x+=2;
                default: x-=1;
                case 5:
                case 6: x+=6;
                case 0: break;
                case 1: x+=1;
            } return x }
        ''')
        self._test(jsi, 2, args=[1])
        self._test(jsi, 11, args=[5])
        self._test(jsi, 14, args=[9])

    def test_try(self):
        self._test('function f() { try{return 10} catch(e){return 5} }', 10)

    def test_catch(self):
        self._test('function f() { try{throw 10} catch(e){return 5} }', 5)

    def test_finally(self):
        self._test('function f() { try{throw 10} finally {return 42} }', 42)
        self._test('function f() { try{throw 10} catch(e){return 5} finally {return 42} }', 42)

    def test_nested_try(self):
        self._test('''
            function f() {try {
                try{throw 10} finally {throw 42}
                } catch(e){return 5} }
        ''', 5)

    def test_for_loop_continue(self):
        self._test('function f() { a=0; for (i=0; i-10; i++) { continue; a++ } return a }', 0)

    def test_for_loop_break(self):
        self._test('function f() { a=0; for (i=0; i-10; i++) { break; a++ } return a }', 0)

    def test_for_loop_try(self):
        self._test('''
            function f() {
                for (i=0; i-10; i++) { try { if (i == 5) throw i} catch {return 10} finally {break} };
                return 42 }
        ''', 42)

    def test_literal_list(self):
        self._test('function f() { return [1, 2, "asdf", [5, 6, 7]][3] }', [5, 6, 7])

    def test_comma(self):
        self._test('function f() { a=5; a -= 1, a+=3; return a }', 7)
        self._test('function f() { a=5; return (a -= 1, a+=3, a); }', 7)
        self._test('function f() { return (l=[0,1,2,3], function(a, b){return a+b})((l[1], l[2]), l[3]) }', 5)

    def test_void(self):
        self._test('function f() { return void 42; }', None)

    def test_return_function(self):
        jsi = JSInterpreter('''
            function f() { return [1, function(){return 1}][1] }
        ''')
        self.assertEqual(jsi.call_function('f')([]), 1)

    def test_null(self):
        self._test('function f() { return null; }', None)
        self._test('function f() { return [null > 0, null < 0, null == 0, null === 0]; }',
                   [False, False, False, False])
        self._test('function f() { return [null >= 0, null <= 0]; }', [True, True])

    def test_undefined(self):
        self._test('function f() { return undefined === undefined; }', True)
        self._test('function f() { return undefined; }', JS_Undefined)
        self._test('function f() {return undefined ?? 42; }', 42)
        self._test('function f() { let v; return v; }', JS_Undefined)
        self._test('function f() { let v; return v**0; }', 1)
        self._test('function f() { let v; return [v>42, v<=42, v&&42, 42&&v]; }',
                   [False, False, JS_Undefined, JS_Undefined])

        self._test('''
            function f() { return [
                undefined === undefined,
                undefined == undefined,
                undefined == null,
                undefined < undefined,
                undefined > undefined,
                undefined === 0,
                undefined == 0,
                undefined < 0,
                undefined > 0,
                undefined >= 0,
                undefined <= 0,
                undefined > null,
                undefined < null,
                undefined === null
            ]; }
        ''', list(map(bool, (1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0))))

        jsi = JSInterpreter('''
            function f() { let v; return [42+v, v+42, v**42, 42**v, 0**v]; }
        ''')
        for y in jsi.call_function('f'):
            self.assertTrue(math.isnan(y))

    def test_object(self):
        self._test('function f() { return {}; }', {})
        self._test('function f() { let a = {m1: 42, m2: 0 }; return [a["m1"], a.m2]; }', [42, 0])
        self._test('function f() { let a; return a?.qq; }', JS_Undefined)
        self._test('function f() { let a = {m1: 42, m2: 0 }; return a?.qq; }', JS_Undefined)

    def test_regex(self):
        self._test('function f() { let a=/,,[/,913,/](,)}/; }', None)
        self._test('function f() { let a=/,,[/,913,/](,)}/; return a; }', R'/,,[/,913,/](,)}/0')

        R'''  # We are not compiling regex
        jsi = JSInterpreter('function f() { let a=/,,[/,913,/](,)}/; return a; }')
        self.assertIsInstance(jsi.call_function('f'), re.Pattern)

        jsi = JSInterpreter('function f() { let a=/,,[/,913,/](,)}/i; return a; }')
        self.assertEqual(jsi.call_function('f').flags & re.I, re.I)

        jsi = JSInterpreter(R'function f() { let a=/,][}",],()}(\[)/; return a; }')
        self.assertEqual(jsi.call_function('f').pattern, r',][}",],()}(\[)')

        jsi = JSInterpreter(R'function f() { let a=[/[)\\]/]; return a[0]; }')
        self.assertEqual(jsi.call_function('f').pattern, r'[)\\]')
        '''

    @unittest.skip('Not implemented')
    def test_replace(self):
        self._test('function f() { let a="data-name".replace("data-", ""); return a }',
                   'name')
        self._test('function f() { let a="data-name".replace(new RegExp("^.+-"), ""); return a; }',
                   'name')
        self._test('function f() { let a="data-name".replace(/^.+-/, ""); return a; }',
                   'name')
        self._test('function f() { let a="data-name".replace(/a/g, "o"); return a; }',
                   'doto-nome')
        self._test('function f() { let a="data-name".replaceAll("a", "o"); return a; }',
                   'doto-nome')

    def test_char_code_at(self):
        jsi = JSInterpreter('function f(i){return "test".charCodeAt(i)}')
        self._test(jsi, 116, args=[0])
        self._test(jsi, 101, args=[1])
        self._test(jsi, 115, args=[2])
        self._test(jsi, 116, args=[3])
        self._test(jsi, None, args=[4])
        self._test(jsi, 116, args=['not_a_number'])

    def test_bitwise_operators_overflow(self):
        self._test('function f(){return -524999584 << 5}', 379882496)
        self._test('function f(){return 1236566549 << 5}', 915423904)

    def test_bitwise_operators_typecast(self):
        self._test('function f(){return null << 5}', 0)
        self._test('function f(){return undefined >> 5}', 0)
        self._test('function f(){return 42 << NaN}', 42)

    def test_negative(self):
        self._test('function f(){return 2    *    -2.0    ;}', -4)
        self._test('function f(){return 2    -    - -2    ;}', 0)
        self._test('function f(){return 2    -    - - -2  ;}', 4)
        self._test('function f(){return 2    -    + + - -2;}', 0)
        self._test('function f(){return 2    +    - + - -2;}', 0)

    @unittest.skip('Not implemented')
    def test_packed(self):
        jsi = JSInterpreter('''function f(p,a,c,k,e,d){while(c--)if(k[c])p=p.replace(new RegExp('\\b'+c.toString(a)+'\\b','g'),k[c]);return p}''')
        self.assertEqual(jsi.call_function('f', '''h 7=g("1j");7.7h({7g:[{33:"w://7f-7e-7d-7c.v.7b/7a/79/78/77/76.74?t=73&s=2s&e=72&f=2t&71=70.0.0.1&6z=6y&6x=6w"}],6v:"w://32.v.u/6u.31",16:"r%",15:"r%",6t:"6s",6r:"",6q:"l",6p:"l",6o:"6n",6m:\'6l\',6k:"6j",9:[{33:"/2u?b=6i&n=50&6h=w://32.v.u/6g.31",6f:"6e"}],1y:{6d:1,6c:\'#6b\',6a:\'#69\',68:"67",66:30,65:r,},"64":{63:"%62 2m%m%61%5z%5y%5x.u%5w%5v%5u.2y%22 2k%m%1o%22 5t%m%1o%22 5s%m%1o%22 2j%m%5r%22 16%m%5q%22 15%m%5p%22 5o%2z%5n%5m%2z",5l:"w://v.u/d/1k/5k.2y",5j:[]},\'5i\':{"5h":"5g"},5f:"5e",5d:"w://v.u",5c:{},5b:l,1x:[0.25,0.50,0.75,1,1.25,1.5,2]});h 1m,1n,5a;h 59=0,58=0;h 7=g("1j");h 2x=0,57=0,56=0;$.55({54:{\'53-52\':\'2i-51\'}});7.j(\'4z\',6(x){c(5>0&&x.1l>=5&&1n!=1){1n=1;$(\'q.4y\').4x(\'4w\')}});7.j(\'13\',6(x){2x=x.1l});7.j(\'2g\',6(x){2w(x)});7.j(\'4v\',6(){$(\'q.2v\').4u()});6 2w(x){$(\'q.2v\').4t();c(1m)19;1m=1;17=0;c(4s.4r===l){17=1}$.4q(\'/2u?b=4p&2l=1k&4o=2t-4n-4m-2s-4l&4k=&4j=&4i=&17=\'+17,6(2r){$(\'#4h\').4g(2r)});$(\'.3-8-4f-4e:4d("4c")\').2h(6(e){2q();g().4b(0);g().4a(l)});6 2q(){h $14=$("<q />").2p({1l:"49",16:"r%",15:"r%",48:0,2n:0,2o:47,46:"45(10%, 10%, 10%, 0.4)","44-43":"42"});$("<41 />").2p({16:"60%",15:"60%",2o:40,"3z-2n":"3y"}).3x({\'2m\':\'/?b=3w&2l=1k\',\'2k\':\'0\',\'2j\':\'2i\'}).2f($14);$14.2h(6(){$(3v).3u();g().2g()});$14.2f($(\'#1j\'))}g().13(0);}6 3t(){h 9=7.1b(2e);2d.2c(9);c(9.n>1){1r(i=0;i<9.n;i++){c(9[i].1a==2e){2d.2c(\'!!=\'+i);7.1p(i)}}}}7.j(\'3s\',6(){g().1h("/2a/3r.29","3q 10 28",6(){g().13(g().27()+10)},"2b");$("q[26=2b]").23().21(\'.3-20-1z\');g().1h("/2a/3p.29","3o 10 28",6(){h 12=g().27()-10;c(12<0)12=0;g().13(12)},"24");$("q[26=24]").23().21(\'.3-20-1z\');});6 1i(){}7.j(\'3n\',6(){1i()});7.j(\'3m\',6(){1i()});7.j("k",6(y){h 9=7.1b();c(9.n<2)19;$(\'.3-8-3l-3k\').3j(6(){$(\'#3-8-a-k\').1e(\'3-8-a-z\');$(\'.3-a-k\').p(\'o-1f\',\'11\')});7.1h("/3i/3h.3g","3f 3e",6(){$(\'.3-1w\').3d(\'3-8-1v\');$(\'.3-8-1y, .3-8-1x\').p(\'o-1g\',\'11\');c($(\'.3-1w\').3c(\'3-8-1v\')){$(\'.3-a-k\').p(\'o-1g\',\'l\');$(\'.3-a-k\').p(\'o-1f\',\'l\');$(\'.3-8-a\').1e(\'3-8-a-z\');$(\'.3-8-a:1u\').3b(\'3-8-a-z\')}3a{$(\'.3-a-k\').p(\'o-1g\',\'11\');$(\'.3-a-k\').p(\'o-1f\',\'11\');$(\'.3-8-a:1u\').1e(\'3-8-a-z\')}},"39");7.j("38",6(y){1d.37(\'1c\',y.9[y.36].1a)});c(1d.1t(\'1c\')){35("1s(1d.1t(\'1c\'));",34)}});h 18;6 1s(1q){h 9=7.1b();c(9.n>1){1r(i=0;i<9.n;i++){c(9[i].1a==1q){c(i==18){19}18=i;7.1p(i)}}}}',36,270,'|||jw|||function|player|settings|tracks|submenu||if||||jwplayer|var||on|audioTracks|true|3D|length|aria|attr|div|100|||sx|filemoon|https||event|active||false|tt|seek|dd|height|width|adb|current_audio|return|name|getAudioTracks|default_audio|localStorage|removeClass|expanded|checked|addButton|callMeMaybe|vplayer|0fxcyc2ajhp1|position|vvplay|vvad|220|setCurrentAudioTrack|audio_name|for|audio_set|getItem|last|open|controls|playbackRates|captions|rewind|icon|insertAfter||detach|ff00||button|getPosition|sec|png|player8|ff11|log|console|track_name|appendTo|play|click|no|scrolling|frameborder|file_code|src|top|zIndex|css|showCCform|data|1662367683|383371|dl|video_ad|doPlay|prevt|mp4|3E||jpg|thumbs|file|300|setTimeout|currentTrack|setItem|audioTrackChanged|dualSound|else|addClass|hasClass|toggleClass|Track|Audio|svg|dualy|images|mousedown|buttons|topbar|playAttemptFailed|beforePlay|Rewind|fr|Forward|ff|ready|set_audio_track|remove|this|upload_srt|prop|50px|margin|1000001|iframe|center|align|text|rgba|background|1000000|left|absolute|pause|setCurrentCaptions|Upload|contains|item|content|html|fviews|referer|prem|embed|3e57249ef633e0d03bf76ceb8d8a4b65|216|83|hash|view|get|TokenZir|window|hide|show|complete|slow|fadeIn|video_ad_fadein|time||cache|Cache|Content|headers|ajaxSetup|v2done|tott|vastdone2|vastdone1|vvbefore|playbackRateControls|cast|aboutlink|FileMoon|abouttext|UHD|1870|qualityLabels|sites|GNOME_POWER|link|2Fiframe|3C|allowfullscreen|22360|22640|22no|marginheight|marginwidth|2FGNOME_POWER|2F0fxcyc2ajhp1|2Fe|2Ffilemoon|2F|3A||22https|3Ciframe|code|sharing|fontOpacity|backgroundOpacity|Tahoma|fontFamily|303030|backgroundColor|FFFFFF|color|userFontScale|thumbnails|kind|0fxcyc2ajhp10000|url|get_slides|start|startparam|none|preload|html5|primary|hlshtml|androidhls|duration|uniform|stretching|0fxcyc2ajhp1_xt|image|2048|sp|6871|asn|127|srv|43200|_g3XlBcu2lmD9oDexD2NLWSmah2Nu3XcDrl93m9PwXY|m3u8||master|0fxcyc2ajhp1_x|00076|01|hls2|to|s01|delivery|storage|moon|sources|setup'''.split('|')))


if __name__ == '__main__':
    unittest.main()
Commit	Line	Data
cc52de43	1	#!/usr/bin/env python3
54007a45	2
9e3f1991 PH	3	# Allow direct execution
	4	import os
	5	import sys
	6	import unittest
f8271158	7
9e3f1991 PH	8	sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
9e3f1991 PH	9
be13a6e5	10	import math
54007a45	11
be13a6e5	12	from yt_dlp.jsinterp import JS_Undefined, JSInterpreter
9e3f1991 PH	13
9e3f1991 PH	14
ad54c913	15	class NaN:
	16	pass
	17
	18
9e3f1991	19	class TestJSInterpreter(unittest.TestCase):
ad54c913	20	def _test(self, jsi_or_code, expected, func='f', args=()):
	21	if isinstance(jsi_or_code, str):
	22	jsi_or_code = JSInterpreter(jsi_or_code)
	23	got = jsi_or_code.call_function(func, *args)
	24	if expected is NaN:
	25	self.assertTrue(math.isnan(got), f'{got} is not NaN')
	26	else:
	27	self.assertEqual(got, expected)
9e3f1991	28
6f2287cb	29	def test_basic(self):
	30	jsi = JSInterpreter('function f(){;}')
	31	self.assertEqual(repr(jsi.extract_function('f')), 'F<f>')
ad54c913	32	self._test(jsi, None)
8f53dc44	33
6f2287cb	34	self._test('function f(){return 42;}', 42)
	35	self._test('function f(){42}', None)
	36	self._test('var f = function(){return 42;}', 42)
ff29bf81	37
b4a252fb	38	def test_div(self):
b4a252fb	39	jsi = JSInterpreter('function f(a, b){return a / b;}')
ad54c913	40	self._test(jsi, NaN, args=(0, 0))
	41	self._test(jsi, NaN, args=(JS_Undefined, 1))
	42	self._test(jsi, float('inf'), args=(2, 0))
	43	self._test(jsi, 0, args=(0, 3))
	44
	45	def test_calc(self):
	46	self._test('function f(a){return 2*a+1;}', 7, args=[3])
b4a252fb	47
9e3f1991	48	def test_empty_return(self):
6f2287cb	49	self._test('function f(){return; y()}', None)
9e3f1991 PH	50
9e3f1991 PH	51	def test_morespace(self):
6f2287cb	52	self._test('function f (a) { return 2 * a + 1 ; }', 7, args=[3])
6f2287cb	53	self._test('function f () { x = 2 ; return x; }', 2)
9e3f1991 PH	54
9e3f1991 PH	55	def test_strange_chars(self):
6f2287cb	56	self._test('function $_xY1 ($_axY1) { var $_axY2 = $_axY1 + 1; return $_axY2; }',
6f2287cb	57	21, args=[20], func='$_xY1')
9e3f1991 PH	58
9e3f1991 PH	59	def test_operators(self):
6f2287cb	60	self._test('function f(){return 1 << 5;}', 32)
	61	self._test('function f(){return 2 ** 5}', 32)
	62	self._test('function f(){return 19 & 21;}', 17)
	63	self._test('function f(){return 11 >> 2;}', 2)
	64	self._test('function f(){return []? 2+3: 4;}', 5)
	65	self._test('function f(){return 1 == 2}', False)
	66	self._test('function f(){return 0 && 1 \|\| 2;}', 2)
	67	self._test('function f(){return 0 ?? 42;}', 0)
	68	self._test('function f(){return "life, the universe and everything" < 42;}', False)
1ac7f461	69
9e3f1991	70	def test_array_access(self):
6f2287cb	71	self._test('function f(){var x = [1,2,3]; x[0] = 4; x[0] = 5; x[2.0] = 7; return x;}', [5, 2, 7])
9e3f1991 PH	72
9e3f1991 PH	73	def test_parens(self):
6f2287cb	74	self._test('function f(){return (1) + (2) * ((( (( (((((3)))))) )) ));}', 7)
6f2287cb	75	self._test('function f(){return (1 + 2) * 3;}', 9)
9e3f1991	76
8f53dc44	77	def test_quotes(self):
6f2287cb	78	self._test(R'function f(){return "a\"\\("}', R'a"\(')
8f53dc44	79
9e3f1991	80	def test_assignments(self):
6f2287cb	81	self._test('function f(){var x = 20; x = 30 + 1; return x;}', 31)
	82	self._test('function f(){var x = 20; x += 30 + 1; return x;}', 51)
	83	self._test('function f(){var x = 20; x -= 30 + 1; return x;}', -11)
9e3f1991	84
4823ec9f	85	@unittest.skip('Not implemented')
9e3f1991	86	def test_comments(self):
6f2287cb	87	self._test('''
	88	function f() {
	89	var x = /* 1 + */ 2;
	90	var y = /* 30
	91	* 40 */ 50;
	92	return x + y;
	93	}
	94	''', 52)
	95
	96	self._test('''
	97	function f() {
	98	var x = "/*";
	99	var y = 1 /* comment */ + 2;
	100	return y;
	101	}
	102	''', 3)
3eff81fb	103
9e3f1991	104	def test_precedence(self):
6f2287cb	105	self._test('''
	106	function f() {
	107	var a = [10, 20, 30, 40, 50];
	108	var b = 6;
	109	a[0]=a[b%a.length];
	110	return a;
	111	}
	112	''', [20, 20, 30, 40, 50])
9e3f1991	113
49b4ceae	114	def test_builtins(self):
ad54c913	115	self._test('function f() { return NaN }', NaN)
d81ba7d4	116
4823ec9f	117	def test_date(self):
	118	self._test('function f() { return new Date("Wednesday 31 December 1969 18:01:26 MDT") - 0; }', 86000)
	119
	120	jsi = JSInterpreter('function f(dt) { return new Date(dt) - 0; }')
ad54c913	121	self._test(jsi, 86000, args=['Wednesday 31 December 1969 18:01:26 MDT'])
	122	self._test(jsi, 86000, args=['12/31/1969 18:01:26 MDT']) # m/d/y
	123	self._test(jsi, 0, args=['1 January 1970 00:00:00 UTC'])
49b4ceae	124
189935f1 KM	125	def test_call(self):
189935f1 KM	126	jsi = JSInterpreter('''
6f2287cb	127	function x() { return 2; }
	128	function y(a) { return x() + (a?a:0); }
	129	function z() { return y(3); }
189935f1	130	''')
ad54c913	131	self._test(jsi, 5, func='z')
ad54c913	132	self._test(jsi, 2, func='y')
9e3f1991	133
8b008d62	134	def test_if(self):
6f2287cb	135	self._test('''
	136	function f() {
	137	let a = 9;
	138	if (0==0) {a++}
	139	return a
	140	}
	141	''', 10)
	142
	143	self._test('''
	144	function f() {
	145	if (0==0) {return 10}
	146	}
	147	''', 10)
	148
	149	self._test('''
	150	function f() {
	151	if (0!=0) {return 1}
	152	else {return 10}
	153	}
	154	''', 10)
8b008d62	155
8b008d62	156	""" # Unsupported
6f2287cb	157	self._test('''
	158	function f() {
	159	if (0!=0) {return 1}
	160	else if (1==0) {return 2}
	161	else {return 10}
	162	}
	163	''', 10)
8b008d62	164	"""
8b008d62	165
404f611f	166	def test_for_loop(self):
6f2287cb	167	self._test('function f() { a=0; for (i=0; i-10; i++) {a++} return a }', 10)
404f611f	168
	169	def test_switch(self):
	170	jsi = JSInterpreter('''
6f2287cb	171	function f(x) { switch(x){
	172	case 1:x+=1;
	173	case 2:x+=2;
	174	case 3:x+=3;break;
	175	case 4:x+=4;
	176	default:x=0;
	177	} return x }
404f611f	178	''')
ad54c913	179	self._test(jsi, 7, args=[1])
	180	self._test(jsi, 6, args=[3])
	181	self._test(jsi, 0, args=[5])
404f611f	182
a1fc7ca0	183	def test_switch_default(self):
a1fc7ca0	184	jsi = JSInterpreter('''
6f2287cb	185	function f(x) { switch(x){
	186	case 2: x+=2;
	187	default: x-=1;
	188	case 5:
	189	case 6: x+=6;
	190	case 0: break;
	191	case 1: x+=1;
	192	} return x }
a1fc7ca0	193	''')
ad54c913	194	self._test(jsi, 2, args=[1])
	195	self._test(jsi, 11, args=[5])
	196	self._test(jsi, 14, args=[9])
a1fc7ca0	197
404f611f	198	def test_try(self):
6f2287cb	199	self._test('function f() { try{return 10} catch(e){return 5} }', 10)
404f611f	200
1ac7f461	201	def test_catch(self):
6f2287cb	202	self._test('function f() { try{throw 10} catch(e){return 5} }', 5)
1ac7f461	203
1ac7f461	204	def test_finally(self):
6f2287cb	205	self._test('function f() { try{throw 10} finally {return 42} }', 42)
6f2287cb	206	self._test('function f() { try{throw 10} catch(e){return 5} finally {return 42} }', 42)
1ac7f461	207
1ac7f461	208	def test_nested_try(self):
6f2287cb	209	self._test('''
	210	function f() {try {
	211	try{throw 10} finally {throw 42}
	212	} catch(e){return 5} }
	213	''', 5)
1ac7f461	214
404f611f	215	def test_for_loop_continue(self):
6f2287cb	216	self._test('function f() { a=0; for (i=0; i-10; i++) { continue; a++ } return a }', 0)
404f611f	217
404f611f	218	def test_for_loop_break(self):
6f2287cb	219	self._test('function f() { a=0; for (i=0; i-10; i++) { break; a++ } return a }', 0)
404f611f	220
1ac7f461	221	def test_for_loop_try(self):
6f2287cb	222	self._test('''
	223	function f() {
	224	for (i=0; i-10; i++) { try { if (i == 5) throw i} catch {return 10} finally {break} };
	225	return 42 }
	226	''', 42)
1ac7f461	227
404f611f	228	def test_literal_list(self):
6f2287cb	229	self._test('function f() { return [1, 2, "asdf", [5, 6, 7]][3] }', [5, 6, 7])
404f611f	230
404f611f	231	def test_comma(self):
6f2287cb	232	self._test('function f() { a=5; a -= 1, a+=3; return a }', 7)
	233	self._test('function f() { a=5; return (a -= 1, a+=3, a); }', 7)
	234	self._test('function f() { return (l=[0,1,2,3], function(a, b){return a+b})((l[1], l[2]), l[3]) }', 5)
6d3e7424	235
49b4ceae	236	def test_void(self):
6f2287cb	237	self._test('function f() { return void 42; }', None)
49b4ceae	238
8f53dc44	239	def test_return_function(self):
8f53dc44	240	jsi = JSInterpreter('''
6f2287cb	241	function f() { return [1, function(){return 1}][1] }
8f53dc44	242	''')
6f2287cb	243	self.assertEqual(jsi.call_function('f')([]), 1)
8f53dc44	244
be13a6e5	245	def test_null(self):
6f2287cb	246	self._test('function f() { return null; }', None)
	247	self._test('function f() { return [null > 0, null < 0, null == 0, null === 0]; }',
	248	[False, False, False, False])
	249	self._test('function f() { return [null >= 0, null <= 0]; }', [True, True])
be13a6e5	250
be13a6e5	251	def test_undefined(self):
6f2287cb	252	self._test('function f() { return undefined === undefined; }', True)
	253	self._test('function f() { return undefined; }', JS_Undefined)
	254	self._test('function f() {return undefined ?? 42; }', 42)
	255	self._test('function f() { let v; return v; }', JS_Undefined)
	256	self._test('function f() { let v; return v**0; }', 1)
	257	self._test('function f() { let v; return [v>42, v<=42, v&&42, 42&&v]; }',
	258	[False, False, JS_Undefined, JS_Undefined])
	259
	260	self._test('''
	261	function f() { return [
	262	undefined === undefined,
	263	undefined == undefined,
	264	undefined == null,
	265	undefined < undefined,
	266	undefined > undefined,
	267	undefined === 0,
	268	undefined == 0,
	269	undefined < 0,
	270	undefined > 0,
	271	undefined >= 0,
	272	undefined <= 0,
	273	undefined > null,
	274	undefined < null,
	275	undefined === null
	276	]; }
	277	''', list(map(bool, (1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0))))
	278
	279	jsi = JSInterpreter('''
	280	function f() { let v; return [42+v, v+42, v42, 42v, 0**v]; }
	281	''')
	282	for y in jsi.call_function('f'):
be13a6e5	283	self.assertTrue(math.isnan(y))
be13a6e5	284
be13a6e5	285	def test_object(self):
6f2287cb	286	self._test('function f() { return {}; }', {})
	287	self._test('function f() { let a = {m1: 42, m2: 0 }; return [a["m1"], a.m2]; }', [42, 0])
	288	self._test('function f() { let a; return a?.qq; }', JS_Undefined)
	289	self._test('function f() { let a = {m1: 42, m2: 0 }; return a?.qq; }', JS_Undefined)
be13a6e5	290
be13a6e5	291	def test_regex(self):
6f2287cb	292	self._test('function f() { let a=/,,[/,913,/](,)}/; }', None)
7aeda6cc	293	self._test('function f() { let a=/,,[/,913,/](,)}/; return a; }', R'/,,[/,913,/](,)}/0')
be13a6e5	294
7aeda6cc	295	R''' # We are not compiling regex
6f2287cb	296	jsi = JSInterpreter('function f() { let a=/,,[/,913,/](,)}/; return a; }')
6f2287cb	297	self.assertIsInstance(jsi.call_function('f'), re.Pattern)
be13a6e5	298
6f2287cb	299	jsi = JSInterpreter('function f() { let a=/,,[/,913,/](,)}/i; return a; }')
6f2287cb	300	self.assertEqual(jsi.call_function('f').flags & re.I, re.I)
be13a6e5	301
6f2287cb	302	jsi = JSInterpreter(R'function f() { let a=/,][}",],()}(\[)/; return a; }')
6f2287cb	303	self.assertEqual(jsi.call_function('f').pattern, r',][}",],()}(\[)')
05deb747	304
6f2287cb	305	jsi = JSInterpreter(R'function f() { let a=[/[)\\]/]; return a[0]; }')
6f2287cb	306	self.assertEqual(jsi.call_function('f').pattern, r'[)\\]')
7aeda6cc	307	'''
0468a3b3	308
4823ec9f	309	@unittest.skip('Not implemented')
	310	def test_replace(self):
	311	self._test('function f() { let a="data-name".replace("data-", ""); return a }',
	312	'name')
	313	self._test('function f() { let a="data-name".replace(new RegExp("^.+-"), ""); return a; }',
	314	'name')
	315	self._test('function f() { let a="data-name".replace(/^.+-/, ""); return a; }',
	316	'name')
	317	self._test('function f() { let a="data-name".replace(/a/g, "o"); return a; }',
	318	'doto-nome')
	319	self._test('function f() { let a="data-name".replaceAll("a", "o"); return a; }',
	320	'doto-nome')
	321
f26af78a	322	def test_char_code_at(self):
6f2287cb	323	jsi = JSInterpreter('function f(i){return "test".charCodeAt(i)}')
ad54c913	324	self._test(jsi, 116, args=[0])
	325	self._test(jsi, 101, args=[1])
	326	self._test(jsi, 115, args=[2])
	327	self._test(jsi, 116, args=[3])
	328	self._test(jsi, None, args=[4])
	329	self._test(jsi, 116, args=['not_a_number'])
f26af78a E	330
f26af78a E	331	def test_bitwise_operators_overflow(self):
6f2287cb	332	self._test('function f(){return -524999584 << 5}', 379882496)
6f2287cb	333	self._test('function f(){return 1236566549 << 5}', 915423904)
f26af78a	334
1d765618	335	def test_bitwise_operators_typecast(self):
6f2287cb	336	self._test('function f(){return null << 5}', 0)
	337	self._test('function f(){return undefined >> 5}', 0)
	338	self._test('function f(){return 42 << NaN}', 42)
1d765618	339
7cf51f21	340	def test_negative(self):
6f2287cb	341	self._test('function f(){return 2 * -2.0 ;}', -4)
	342	self._test('function f(){return 2 - - -2 ;}', 0)
	343	self._test('function f(){return 2 - - - -2 ;}', 4)
	344	self._test('function f(){return 2 - + + - -2;}', 0)
	345	self._test('function f(){return 2 + - + - -2;}', 0)
7cf51f21	346
4823ec9f	347	@unittest.skip('Not implemented')
	348	def test_packed(self):
	349	jsi = JSInterpreter('''function f(p,a,c,k,e,d){while(c--)if(k[c])p=p.replace(new RegExp('\\b'+c.toString(a)+'\\b','g'),k[c]);return p}''')
	350	self.assertEqual(jsi.call_function('f', '''h 7=g("1j");7.7h({7g:[{33:"w://7f-7e-7d-7c.v.7b/7a/79/78/77/76.74?t=73&s=2s&e=72&f=2t&71=70.0.0.1&6z=6y&6x=6w"}],6v:"w://32.v.u/6u.31",16:"r%",15:"r%",6t:"6s",6r:"",6q:"l",6p:"l",6o:"6n",6m:\'6l\',6k:"6j",9:[{33:"/2u?b=6i&n=50&6h=w://32.v.u/6g.31",6f:"6e"}],1y:{6d:1,6c:\'#6b\',6a:\'#69\',68:"67",66:30,65:r,},"64":{63:"%62 2m%m%61%5z%5y%5x.u%5w%5v%5u.2y%22 2k%m%1o%22 5t%m%1o%22 5s%m%1o%22 2j%m%5r%22 16%m%5q%22 15%m%5p%22 5o%2z%5n%5m%2z",5l:"w://v.u/d/1k/5k.2y",5j:[]},\'5i\':{"5h":"5g"},5f:"5e",5d:"w://v.u",5c:{},5b:l,1x:[0.25,0.50,0.75,1,1.25,1.5,2]});h 1m,1n,5a;h 59=0,58=0;h 7=g("1j");h 2x=0,57=0,56=0;$.55({54:{\'53-52\':\'2i-51\'}});7.j(\'4z\',6(x){c(5>0&&x.1l>=5&&1n!=1){1n=1;$(\'q.4y\').4x(\'4w\')}});7.j(\'13\',6(x){2x=x.1l});7.j(\'2g\',6(x){2w(x)});7.j(\'4v\',6(){$(\'q.2v\').4u()});6 2w(x){$(\'q.2v\').4t();c(1m)19;1m=1;17=0;c(4s.4r===l){17=1}$.4q(\'/2u?b=4p&2l=1k&4o=2t-4n-4m-2s-4l&4k=&4j=&4i=&17=\'+17,6(2r){$(\'#4h\').4g(2r)});$(\'.3-8-4f-4e:4d("4c")\').2h(6(e){2q();g().4b(0);g().4a(l)});6 2q(){h $14=$("<q />").2p({1l:"49",16:"r%",15:"r%",48:0,2n:0,2o:47,46:"45(10%, 10%, 10%, 0.4)","44-43":"42"});$("<41 />").2p({16:"60%",15:"60%",2o:40,"3z-2n":"3y"}).3x({\'2m\':\'/?b=3w&2l=1k\',\'2k\':\'0\',\'2j\':\'2i\'}).2f($14);$14.2h(6(){$(3v).3u();g().2g()});$14.2f($(\'#1j\'))}g().13(0);}6 3t(){h 9=7.1b(2e);2d.2c(9);c(9.n>1){1r(i=0;i<9.n;i++){c(9[i].1a==2e){2d.2c(\'!!=\'+i);7.1p(i)}}}}7.j(\'3s\',6(){g().1h("/2a/3r.29","3q 10 28",6(){g().13(g().27()+10)},"2b");$("q[26=2b]").23().21(\'.3-20-1z\');g().1h("/2a/3p.29","3o 10 28",6(){h 12=g().27()-10;c(12<0)12=0;g().13(12)},"24");$("q[26=24]").23().21(\'.3-20-1z\');});6 1i(){}7.j(\'3n\',6(){1i()});7.j(\'3m\',6(){1i()});7.j("k",6(y){h 9=7.1b();c(9.n<2)19;$(\'.3-8-3l-3k\').3j(6(){$(\'#3-8-a-k\').1e(\'3-8-a-z\');$(\'.3-a-k\').p(\'o-1f\',\'11\')});7.1h("/3i/3h.3g","3f 3e",6(){$(\'.3-1w\').3d(\'3-8-1v\');$(\'.3-8-1y, .3-8-1x\').p(\'o-1g\',\'11\');c($(\'.3-1w\').3c(\'3-8-1v\')){$(\'.3-a-k\').p(\'o-1g\',\'l\');$(\'.3-a-k\').p(\'o-1f\',\'l\');$(\'.3-8-a\').1e(\'3-8-a-z\');$(\'.3-8-a:1u\').3b(\'3-8-a-z\')}3a{$(\'.3-a-k\').p(\'o-1g\',\'11\');$(\'.3-a-k\').p(\'o-1f\',\'11\');$(\'.3-8-a:1u\').1e(\'3-8-a-z\')}},"39");7.j("38",6(y){1d.37(\'1c\',y.9[y.36].1a)});c(1d.1t(\'1c\')){35("1s(1d.1t(\'1c\'));",34)}});h 18;6 1s(1q){h 9=7.1b();c(9.n>1){1r(i=0;i<9.n;i++){c(9[i].1a==1q){c(i==18){19}18=i;7.1p(i)}}}}',36,270,'\|\|\|jw\|\|\|function\|player\|settings\|tracks\|submenu\|\|if\|\|\|\|jwplayer\|var\|\|on\|audioTracks\|true\|3D\|length\|aria\|attr\|div\|100\|\|\|sx\|filemoon\|https\|\|event\|active\|\|false\|tt\|seek\|dd\|height\|width\|adb\|current_audio\|return\|name\|getAudioTracks\|default_audio\|localStorage\|removeClass\|expanded\|checked\|addButton\|callMeMaybe\|vplayer\|0fxcyc2ajhp1\|position\|vvplay\|vvad\|220\|setCurrentAudioTrack\|audio_name\|for\|audio_set\|getItem\|last\|open\|controls\|playbackRates\|captions\|rewind\|icon\|insertAfter\|\|detach\|ff00\|\|button\|getPosition\|sec\|png\|player8\|ff11\|log\|console\|track_name\|appendTo\|play\|click\|no\|scrolling\|frameborder\|file_code\|src\|top\|zIndex\|css\|showCCform\|data\|1662367683\|383371\|dl\|video_ad\|doPlay\|prevt\|mp4\|3E\|\|jpg\|thumbs\|file\|300\|setTimeout\|currentTrack\|setItem\|audioTrackChanged\|dualSound\|else\|addClass\|hasClass\|toggleClass\|Track\|Audio\|svg\|dualy\|images\|mousedown\|buttons\|topbar\|playAttemptFailed\|beforePlay\|Rewind\|fr\|Forward\|ff\|ready\|set_audio_track\|remove\|this\|upload_srt\|prop\|50px\|margin\|1000001\|iframe\|center\|align\|text\|rgba\|background\|1000000\|left\|absolute\|pause\|setCurrentCaptions\|Upload\|contains\|item\|content\|html\|fviews\|referer\|prem\|embed\|3e57249ef633e0d03bf76ceb8d8a4b65\|216\|83\|hash\|view\|get\|TokenZir\|window\|hide\|show\|complete\|slow\|fadeIn\|video_ad_fadein\|time\|\|cache\|Cache\|Content\|headers\|ajaxSetup\|v2done\|tott\|vastdone2\|vastdone1\|vvbefore\|playbackRateControls\|cast\|aboutlink\|FileMoon\|abouttext\|UHD\|1870\|qualityLabels\|sites\|GNOME_POWER\|link\|2Fiframe\|3C\|allowfullscreen\|22360\|22640\|22no\|marginheight\|marginwidth\|2FGNOME_POWER\|2F0fxcyc2ajhp1\|2Fe\|2Ffilemoon\|2F\|3A\|\|22https\|3Ciframe\|code\|sharing\|fontOpacity\|backgroundOpacity\|Tahoma\|fontFamily\|303030\|backgroundColor\|FFFFFF\|color\|userFontScale\|thumbnails\|kind\|0fxcyc2ajhp10000\|url\|get_slides\|start\|startparam\|none\|preload\|html5\|primary\|hlshtml\|androidhls\|duration\|uniform\|stretching\|0fxcyc2ajhp1_xt\|image\|2048\|sp\|6871\|asn\|127\|srv\|43200\|_g3XlBcu2lmD9oDexD2NLWSmah2Nu3XcDrl93m9PwXY\|m3u8\|\|master\|0fxcyc2ajhp1_x\|00076\|01\|hls2\|to\|s01\|delivery\|storage\|moon\|sources\|setup'''.split('\|')))
	351
582be358	352
9e3f1991 PH	353	if __name__ == '__main__':
9e3f1991 PH	354	unittest.main()