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test: replace [].join() with ''.repeat() #12305

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test: replace [].join() with ''.repeat() #12305

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JacksonTian
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@JacksonTian JacksonTian commented Apr 10, 2017 •
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Like PR #12170 .

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • commit message follows commit guidelines
Affected core subsystem(s)

test

@nodejs-github-bot nodejs-github-bot added the test Issues and PRs related to the tests. label Apr 10, 2017
@hiroppy
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hiroppy commented Apr 10, 2017

CI: https://ci.nodejs.org/job/node-test-pull-request/7311/

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vsemozhetbyt commented Apr 10, 2017 •
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@abouthiroppy It seems these two cases in test-stringbytes-external.js also can be addressed:

node/test/parallel/test-stringbytes-external.js

Lines 48 to 49 in 98e54b0

write_str = Array(size).join(write_str);
ucs2_control = Array(size).join(ucs2_control);

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hiroppy commented Apr 11, 2017

@vsemozhetbyt Good catch!
@JacksonTian Could you modify these two cases?

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Thanks @vsemozhetbyt @abouthiroppy , done.

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hiroppy commented Apr 11, 2017

CI2: https://ci.nodejs.org/job/node-test-pull-request/7323/

aqrln
aqrln reviewed Apr 15, 2017
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test/parallel/test-stringbytes-external.js
const size = 1 + (1 << 20);
write_str = Array(size).join(write_str);
ucs2_control = Array(size).join(ucs2_control);
const size = 1 << 20;
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Is it necessary to change size in this PR?

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When you do the Array.join() it ends up as one less than size, so when you move to repeat you have to decrease size by one to get the same string length.

> Array(3).join('a')
'aa'
> 'a'.repeat(3)
'aaa'

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Ah, I see. Thanks.

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CI failure unrelated.

Figured we can land this. Landed in 4a782e1

@benjamingr benjamingr closed this Apr 16, 2017
benjamingr pushed a commit that referenced this pull request Apr 16, 2017
@JacksonTian
test: replace [].join() with ''.repeat()
4a782e1 
Replace [].join calls with the more modern .repeat

PR-URL: #12305
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>
Reviewed-By: Alexey Orlenko <eaglexrlnk@gmail.com>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
@JacksonTian JacksonTian deleted the repeat branch April 19, 2017 02:31
evanlucas pushed a commit that referenced this pull request Apr 25, 2017
@JacksonTian @evanlucas
test: replace [].join() with ''.repeat()
5b9bf19 
Replace [].join calls with the more modern .repeat

PR-URL: #12305
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>
Reviewed-By: Alexey Orlenko <eaglexrlnk@gmail.com>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
@evanlucas evanlucas mentioned this pull request May 1, 2017
Merged
evanlucas pushed a commit that referenced this pull request May 1, 2017
@JacksonTian @evanlucas
test: replace [].join() with ''.repeat()
0532361 
Replace [].join calls with the more modern .repeat

PR-URL: #12305
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>
Reviewed-By: Alexey Orlenko <eaglexrlnk@gmail.com>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
evanlucas pushed a commit that referenced this pull request May 2, 2017
@JacksonTian @evanlucas
test: replace [].join() with ''.repeat()
4a19062 
Replace [].join calls with the more modern .repeat

PR-URL: #12305
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>
Reviewed-By: Alexey Orlenko <eaglexrlnk@gmail.com>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
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gibfahn commented May 15, 2017

Should this be backported to v6.x?

@gibfahn gibfahn mentioned this pull request Jun 15, 2017
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gibfahn pushed a commit that referenced this pull request Jun 18, 2017
@JacksonTian @gibfahn
test: replace [].join() with ''.repeat()
cff0043 
Replace [].join calls with the more modern .repeat

PR-URL: #12305
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>
Reviewed-By: Alexey Orlenko <eaglexrlnk@gmail.com>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
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gibfahn commented Jun 18, 2017

Should this be backported to v6.x?

This only affects test/, so let's say yes

gibfahn pushed a commit that referenced this pull request Jun 20, 2017
@JacksonTian @gibfahn
test: replace [].join() with ''.repeat()
6df6af1 
Replace [].join calls with the more modern .repeat

PR-URL: #12305
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>
Reviewed-By: Alexey Orlenko <eaglexrlnk@gmail.com>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
MylesBorins pushed a commit that referenced this pull request Jul 11, 2017
@JacksonTian @MylesBorins
test: replace [].join() with ''.repeat()
a23aca4 
Replace [].join calls with the more modern .repeat

PR-URL: #12305
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>
Reviewed-By: Alexey Orlenko <eaglexrlnk@gmail.com>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
@MylesBorins MylesBorins mentioned this pull request Jul 18, 2017
Merged
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@gibfahn gibfahn gibfahn left review comments

@vsemozhetbyt vsemozhetbyt vsemozhetbyt approved these changes

@aqrln aqrln aqrln approved these changes

@hiroppy hiroppy hiroppy approved these changes

@watilde watilde watilde approved these changes

@lpinca lpinca lpinca approved these changes

@jasnell jasnell jasnell approved these changes

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