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65 lines
1.2 KiB
65 lines
1.2 KiB
/*
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* Large join() needs a valstack check. Even larger joins run
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* out of valstack unless the join is done in stages.
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*
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* These were broken at some point.
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*/
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/*===
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100
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0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
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===*/
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/* 100 elements */
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tmp = [
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0,1,2,3,4,5,6,7,8,9,
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0,1,2,3,4,5,6,7,8,9,
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0,1,2,3,4,5,6,7,8,9,
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0,1,2,3,4,5,6,7,8,9,
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0,1,2,3,4,5,6,7,8,9,
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0,1,2,3,4,5,6,7,8,9,
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0,1,2,3,4,5,6,7,8,9,
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0,1,2,3,4,5,6,7,8,9,
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0,1,2,3,4,5,6,7,8,9,
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0,1,2,3,4,5,6,7,8,9
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];
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print(tmp.length);
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print(tmp.join(''));
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/*===
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building
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1000000
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joining
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1000000
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checking
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ok
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===*/
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/* This was broken at some point: joining happened naively through the
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* valstack whose size topped out for large joins.
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*/
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tmp = [];
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var i;
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var res;
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var limit = 1e6;
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print('building');
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for (i = 0; i < limit; i++) {
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tmp[tmp.length] = String.fromCharCode(i % 65536);
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}
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print(tmp.length);
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print('joining');
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res = tmp.join('');
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print(res.length);
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print('checking');
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for (i = 0; i < limit; i++) {
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if (res.charCodeAt(i) !== (i % 65536)) {
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throw new Error('invalid char at offset ' + i);
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}
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}
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print('ok');
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