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391 lines
11 KiB
391 lines
11 KiB
// FIXME: this testcase now has a JSON.stringify() dependency,
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// perhaps worth removing.
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/*===
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basic
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object 3 ["foo"," bar"," quux"]
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object 1 ["foo - undefined - bar"]
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object 1 ["foo - undefined - bar"]
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object 6 ["f","o","o","b","a","r"]
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object 4 97 837 4660 65244
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object 6 ["f","o","o","b","a","r"]
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object 6 ["f","o","o","b","a","r"]
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object 7 ["","","","","","",""]
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object 3 ["foo","bar","quux"]
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object 0 []
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object 1 [""]
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object 0 []
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object 1 [""]
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object 10 ["foo",";"," ","bar",";","","quux",";"," ","baz"]
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object 7 ["foo",";",null," bar",null,","," baz"]
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object 2 ["a","b"]
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object 2 ["","b"]
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object 13 ["A",null,"B","bold","/","B","and",null,"CODE","coded","/","CODE",""]
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object 2 ["foo",""]
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object 1 ["foo"]
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object 2 ["foo",""]
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object 3 1 291 1 4660 1 65244
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object 3 1 291 1 4660 1 65244
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===*/
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print('basic');
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function basicTest() {
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var t;
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// FIXME: JSON dependency
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function p(x) {
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print(typeof x, x.length, JSON.stringify(x));
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}
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// Basic test
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p('foo, bar, quux'.split(','));
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// Undefined separator results in an array containing just 'this' as a
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// string; it must not be coerced to 'undefined' (and then used as a
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// separator string).
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p(new String('foo - undefined - bar').split());
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p(new String('foo - undefined - bar').split(undefined));
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// Empty separator splits a string into individual characters
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p('foobar'.split(''));
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// Unicode characters cause different processing internally
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t = 'a\u0345\u1234\ufedc'.split('');
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print(typeof t, t.length, t[0].charCodeAt(0), t[1].charCodeAt(0), t[2].charCodeAt(0), t[3].charCodeAt(0));
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// Empty RegExp, also splits into individual characters
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p('foobar'.split(/(?:)/));
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// Only first RegExp match matters at a given position; this is
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// equivalent to an empty regexp
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p('foobar'.split(/(?:)|./)); // first alt matches
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p('foobar'.split(/.|(?:)/));
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// Simple two character separator
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p('foo::bar::quux'.split('::'));
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// If 'this' coerces to empty string, result depends on whether separator
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// can match the empty string
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p(''.split('')); // can match -> no elems
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p(''.split('a')); // cannot match -> ['']
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p(''.split(/a*/)); // can match -> no elems
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p(''.split(/a+/)); // cannot match -> ['']
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// RegExp captures are made part of the result array
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p('foo; bar;quux; baz'.split(/(;)(\s?)/));
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p('foo; bar, baz'.split(/(;)|(,)/)); // unmatched -> undefined -> JSON null
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// Specific example from spec: evaluates to ['a','b']
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p('ab'.split(/a*?/));
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// Specific example from spec: evaluates to ['', 'b']
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p('ab'.split(/a*/));
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// Specific example from spec: note that 'undefined' values join as empty
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p('A<B>bold</B>and<CODE>coded</CODE>'.split(/<(\/)?([^<>]+)>/));
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// Trailer is added as an empty string if last match coincides with
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// the end of the string.
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p('foobar'.split('bar'));
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// Trailer may hit the limit
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p('foobar'.split('bar', 1)); // trailer dropped
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p('foobar'.split('bar', 2)); // trailer fits
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// Some non-BMP tests; important because both byte and char offsets
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// are used internally.
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t = '\u0123\u1234\ufedc'.split('');
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print(typeof t, t.length,
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t[0].length, t[0].charCodeAt(0),
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t[1].length, t[1].charCodeAt(0),
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t[2].length, t[2].charCodeAt(0));
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t = '\u0123\u1234\ufedc'.split(/(?:)/);
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print(typeof t, t.length,
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t[0].length, t[0].charCodeAt(0),
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t[1].length, t[1].charCodeAt(0),
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t[2].length, t[2].charCodeAt(0));
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// FIXME: add more non-BMP tests
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}
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try {
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basicTest();
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} catch (e) {
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print(e);
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}
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/*===
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limit
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object 1 ["foo"]
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object 0 []
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object 3 ["foo","bar","quux"]
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object 3 ["foo","bar","quux"]
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object 2 ["foo","bar"]
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object 1 ["foo"]
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object 0 []
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object 0 []
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object 1 ["foo"]
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object 2 ["foo","bar"]
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object 4 ["foo","bar","quux","baz"]
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object 1 ["foo"]
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object 2 ["foo","bar"]
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object 2 ["foo","bar"]
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object 3 ["foo","bar","quux"]
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object 9 ["foo:","1","2","3",":bar:","3","2","1",":quux"]
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object 9 ["foo:","1","2","3",":bar:","3","2","1",":quux"]
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object 8 ["foo:","1","2","3",":bar:","3","2","1"]
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object 7 ["foo:","1","2","3",":bar:","3","2"]
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object 6 ["foo:","1","2","3",":bar:","3"]
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object 5 ["foo:","1","2","3",":bar:"]
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object 4 ["foo:","1","2","3"]
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object 3 ["foo:","1","2"]
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object 2 ["foo:","1"]
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object 1 ["foo:"]
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object 0 []
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===*/
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/* Limit tests. Limit may affect the result at any point; in particular,
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* RegExp captures may need be limited from the middle.
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*
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* The default limit of 2^32 - 1 is achievable with captures, but requires
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* a huge amount of memory. It is not tested now.
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*/
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print('limit');
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function limitTest() {
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var i;
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// FIXME: JSON dependency
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function p(x) {
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print(typeof x, x.length, JSON.stringify(x));
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}
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// zero limit
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p('foo'.split(undefined)); // undefined limit -> 2**32-1
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p('foo'.split(undefined, 0)); // normally returns array with string as is, limit 0 -> return []
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// limit, normal case
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p('foo,bar,quux'.split(','));
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p('foo,bar,quux'.split(',', 3));
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p('foo,bar,quux'.split(',', 2));
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p('foo,bar,quux'.split(',', 1));
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p('foo,bar,quux'.split(',', 0));
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// huge positive limit wraps through ToUint32()
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p('foo,bar,quux,baz'.split(',', 4294967296)); // = 0
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p('foo,bar,quux,baz'.split(',', 4294967297)); // = 1
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p('foo,bar,quux,baz'.split(',', 4294967298)); // = 2
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// negative limit goes through ToUint32() and becomes a positive one
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// -1 -> 4294967295
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// -4294967295 -> 1
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// -4294967294 -> 2
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p('foo,bar,quux,baz'.split(',', -1));
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p('foo,bar,quux,baz'.split(',', -4294967295));
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p('foo,bar,quux,baz'.split(',', -4294967294));
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// ToUint32() coerces fractions towards zero
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p('foo,bar,quux,baz'.split(',', 2.4)); // limit 2
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p('foo,bar,quux,baz'.split(',', 2.4 - (256*256*256*256))); // limit 3 (!)
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// limit, happens in the middle of a capture
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p('foo:123:bar:321:quux'.split(/(\d)(\d)(\d)/));
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for (i = 9; i >= 0; i--) {
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p('foo:123:bar:321:quux'.split(/(\d)(\d)(\d)/, i));
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}
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}
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try {
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limitTest();
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} catch (e) {
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print(e);
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}
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/*===
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regexp
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before object string 12345
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object 3 ["foo","bar","quux"]
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after object string 12345
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before object string 12345
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object 5 ["foo","z","bar","Z","quux"]
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after object string 12345
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before object string 12345
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object 1 ["foo\nbar\nquux"]
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after object string 12345
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before object string 12345
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object 3 ["foo\n","bar\n","quux"]
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after object string 12345
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before object string 12345
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object 3 ["foo","bar","quux"]
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after object string 12345
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===*/
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/* A RegExp separator is used through the internal [[Match]] method. This
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* executes the regexp pattern, taking ignoreCase and multiline flags into
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* account but ignoring the global flag. The RegExp instance properties
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* (such as lastIndex) are neither read or written.
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*/
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print('regexp');
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function regExpTest() {
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var re;
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function test(this_val, sep_val, limit_val) {
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var t;
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print('before', typeof sep_val, typeof sep_val.lastIndex, sep_val.lastIndex);
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try {
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t = String.prototype.split.call(this_val, sep_val, limit_val);
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print(typeof t, t.length, JSON.stringify(t)); // FIXME: JSON dependency
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} catch (e) {
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print(e.name);
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}
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print('after', typeof sep_val, typeof sep_val.lastIndex, sep_val.lastIndex);
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}
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// ignoreCase matcher
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re = /z/i;
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re.lastIndex = '12345';
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test('foozbarZquux', re);
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// ignoreCase + captures; captures have original casing
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re = /(z)/i;
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re.lastIndex = '12345';
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test('foozbarZquux', re);
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// multiline matcher; use multiline '^' to detect
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re = /^/; // single line match, does not match start of line
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re.lastIndex = '12345';
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test('foo\nbar\nquux', re);
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re = /^/m; // matches start of line, empty match, newlines will be part of match
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re.lastIndex = '12345';
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test('foo\nbar\nquux', re);
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// global matcher, no effect
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re = /z/gi;
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re.lastIndex = '12345';
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test('foozbarZquux', re);
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}
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try {
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regExpTest();
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} catch (e) {
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print(e);
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}
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/*===
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coercion
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TypeError
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TypeError
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TypeError
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object 1 ["true"]
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object 1 ["false"]
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object 1 ["123"]
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object 1 ["quux"]
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object 3 ["1","2","3"]
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object 2 ["[object","Object]"]
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object 3 ["foo","bar","quux"]
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object 1 ["fooundefinedbarundefinedquux"]
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object 3 ["foo","bar","quux"]
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object 3 ["foo","bar","quux"]
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object 3 ["foo","bar","quux"]
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object 3 ["foo","bar","quux"]
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object 3 ["foo","bar","quux"]
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object 3 ["foo","bar","quux"]
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object 3 ["foo","bar","quux"]
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toString() this
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valueOf() limit
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toString() sep
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object 2 ["foo","bar"]
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===*/
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print('coercion');
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function coercionTest() {
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// FIXME: JSON dependency
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function test(this_val, sep_val, limit_val, arg_count) {
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var t;
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try {
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if (arg_count === 0) {
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t = String.prototype.split.call();
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} else if (arg_count === 1) {
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t = String.prototype.split.call(this_val);
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} else if (arg_count === 2) {
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t = String.prototype.split.call(this_val, sep_val);
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} else {
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t = String.prototype.split.call(this_val, sep_val, limit_val);
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}
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print(typeof t, t.length, JSON.stringify(t));
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} catch (e) {
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print(e.name);
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}
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}
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// this coercion check
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test(undefined, undefined, undefined, 0);
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test(undefined, ',', 3);
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test(null, ',', 3);
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test(true, ',', 3);
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test(false, ',', 3);
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test(123, ',', 3);
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test('quux', ',', 3);
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test([1,2,3], ',', 3);
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test({ foo: 1, bar: 2 }, ' ', 3);
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// limit coercion (most limit checks already done above)
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test('foo,bar,quux,baz', ',', '3.9000e0');
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// separator coercion
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test('fooundefinedbarundefinedquux', undefined); // undefined separator -> return input as only array elem (E5.1 Section 15.4.14, step 10)
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test('foonullbarnullquux', null);
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test('footruebartruequux', true);
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test('foofalsebarfalsequux', false);
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test('foo123bar123quux', 123);
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test('fooXbarXquux', 'X');
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test('foo1,2bar1,2quux', [1,2]);
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test('foo[object Object]bar[object Object]quux', { foo: 1, bar: 2 });
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// coercion order: 'this', limit, separator
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test({
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toString: function() { print('toString() this'); return 'foo,bar,quux,baz'; },
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valueOf: function() { print('valueOf() this'); return 'Foo,Bar,Quux,Baz'; }
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}, {
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toString: function() { print('toString() sep'); return ','; },
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valueOf: function() { print('valueOf() sep'); return ';'; }
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}, {
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toString: function() { print('toString() limit'); return 3; },
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valueOf: function() { print('valueOf() limit'); return 2; }
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});
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}
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try {
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coercionTest();
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} catch (e) {
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print(e);
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}
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