test: complete coverage of buffer#12831
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aqrln
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I'd prefer the comment to start with a capital letter, but maybe it's just me, idk :)
test/parallel/test-buffer-write.js
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Could you use Buffer.isEncoding() here?
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PR-URL: #12831 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Alexey Orlenko <eaglexrlnk@gmail.com> Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
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PR-URL: nodejs#12831 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Alexey Orlenko <eaglexrlnk@gmail.com> Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
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Should this be backported to |
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Complete coverage of
lib/buffer.js. According to https://coverage.nodejs.org/coverage-ff001c12b032c33d/root/buffer.js.html , this PR adds the coverage for some missingbreakcases and oneutf-8case which are not get covered in #12714 .PS: When i was writing the test cases for those invalid encodings cases, i found that the way each
BufferAPI treats the invalid value of theencodingparameter seems quite inconsistent, for instance:Buffer.fromtreats all JavaScript falsy values and all other non-string values asutf8Buffer.from('foo', false)equalsBuffer.from('foo', 'utf8')Buffer.from('foo', 123)equalsBuffer.from('foo', 'utf8')buf.toStringonly treatsundefinedasutf8, and throws an error when comes to all other invalid valuesBuffer.from('foo').toString(undefined)equalsBuffer.from('foo').toString('utf8')Buffer.from('foo').toString('u')andBuffer.from('foo').toString(0)will throwbuf.writejust treats all JavaScript falsy value asutf8, and throws an error when comes to all other invalid valuesBuffer.alloc(9).write('foo', 0)equalsBuffer.alloc(9).write('foo', 'utf8')So shall we find a consistent way to deal with this invalid encoding parameter situation to avoid some potential confusions?
Checklist
make -j4 test(UNIX), orvcbuild test(Windows) passesAffected core subsystem(s)
test