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test: improve api/encoding.cc coverage #44427

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merged 6 commits into from
Sep 6, 2022
Merged

test: improve api/encoding.cc coverage #44427

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9a5701a
test: add more cases for parse-encoding
tony-go Aug 28, 2022
80d4c31
test: add missing case for LATIN1
tony-go Aug 29, 2022
678f74d
test: add missing variation cases
tony-go Aug 29, 2022
9c00c2c
test: add missing unknown cases
tony-go Aug 30, 2022
d508d03
test: update doc in code
tony-go Aug 30, 2022
44fb620
doc: typo
tony-go Sep 1, 2022
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4 changes: 4 additions & 0 deletions src/api/encoding.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,10 @@ enum encoding ParseEncoding(const char* encoding,
switch (encoding[0]) {
case 'u':
case 'U':
// Note: the two first conditions are needed for performance reasons
// as "utf8"/"utf-8" is a common case.
// (same for other cases below)

// utf8, utf16le
if (encoding[1] == 't' && encoding[2] == 'f') {
// Skip `-`
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31 changes: 28 additions & 3 deletions test/addons/parse-encoding/test.js
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Expand Up @@ -4,20 +4,45 @@ const common = require('../../common');
const assert = require('assert');
const { parseEncoding } = require(`./build/${common.buildType}/binding`);

assert.strictEqual(parseEncoding(''), 'UNKNOWN');

assert.strictEqual(parseEncoding('ascii'), 'ASCII');
assert.strictEqual(parseEncoding('ASCII'), 'ASCII');
assert.strictEqual(parseEncoding('base64'), 'BASE64');
assert.strictEqual(parseEncoding('BASE64'), 'BASE64');
assert.strictEqual(parseEncoding('base64url'), 'BASE64URL');
assert.strictEqual(parseEncoding('BASE64URL'), 'BASE64URL');
assert.strictEqual(parseEncoding('binary'), 'LATIN1');
assert.strictEqual(parseEncoding('BINARY'), 'LATIN1');
assert.strictEqual(parseEncoding('buffer'), 'BUFFER');
assert.strictEqual(parseEncoding('BUFFER'), 'BUFFER');
assert.strictEqual(parseEncoding('hex'), 'HEX');
assert.strictEqual(parseEncoding('HEX'), 'HEX');
assert.strictEqual(parseEncoding('latin1'), 'LATIN1');
assert.strictEqual(parseEncoding('LATIN1'), 'LATIN1');

// ucs2 variations
assert.strictEqual(parseEncoding('ucs2'), 'UCS2');
assert.strictEqual(parseEncoding('ucs-2'), 'UCS2');
assert.strictEqual(parseEncoding('UCS2'), 'UCS2');
assert.strictEqual(parseEncoding('UCS-2'), 'UCS2');

// utf8 variations
assert.strictEqual(parseEncoding('utf8'), 'UTF8');
assert.strictEqual(parseEncoding('utf-16LE'), 'UCS2');
assert.strictEqual(parseEncoding('utf-8'), 'UTF8');
assert.strictEqual(parseEncoding('UTF8'), 'UTF8');
assert.strictEqual(parseEncoding('UTF-8'), 'UTF8');

// utf16le variations
assert.strictEqual(parseEncoding('utf16le'), 'UCS2');
assert.strictEqual(parseEncoding('utf-16le'), 'UCS2');
assert.strictEqual(parseEncoding('UTF16LE'), 'UCS2');
assert.strictEqual(parseEncoding('UTF-16LE'), 'UCS2');

// unknown cases
assert.strictEqual(parseEncoding(''), 'UNKNOWN');
assert.strictEqual(parseEncoding('asCOO'), 'UNKNOWN');
assert.strictEqual(parseEncoding('hux'), 'UNKNOWN');
assert.strictEqual(parseEncoding('utf-buffer'), 'UNKNOWN');
assert.strictEqual(parseEncoding('utf-16leNOT'), 'UNKNOWN');

assert.strictEqual(parseEncoding('linary'), 'UNKNOWN');
assert.strictEqual(parseEncoding('luffer'), 'UNKNOWN');