test: complete coverage of buffer #12831
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aqrln
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May 4, 2017
| @@ -23,3 +23,11 @@ encodings | |||
| assert.strictEqual(Buffer.from('666f6f', encoding).toString(encoding), | |||
| '666f6f'); | |||
| }); | |||
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| // invalid encodings | |||
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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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| @@ -53,3 +53,11 @@ encodings | |||
| assert.strictEqual(buf.write('666f6f', 0, len, encoding), len); | |||
| assert.deepStrictEqual(buf, resultMap.get(encoding.toLowerCase())); | |||
| }); | |||
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| // invalid encodings | |||
benjamingr
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May 4, 2017
hiroppy
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May 5, 2017
cjihrig
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May 5, 2017
| for (let i = 1; i < 10; i++) { | ||
| const encoding = String(i).repeat(i); | ||
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| assert.strictEqual(Buffer.byteLength('foo', encoding), |
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Could you use Buffer.isEncoding() here?
DavidCai1111
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cjihrig
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May 5, 2017
jasnell
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May 5, 2017
addaleax
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May 7, 2017
|
Landed in a710e44 |
addaleax
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May 7, 2017
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>
anchnk
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May 19, 2017
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