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more tests
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‎test/parallel/test-buffer-alloc.js

+175-103
Original file line numberDiff line numberDiff line change
@@ -314,6 +314,8 @@ assert.strictEqual((Buffer.from('Woman')).toString('base64url'), 'V29tYW4');
314314
Buffer.from(expected));
315315
}
316316

317+
const base64flavors = ['base64', 'base64url'];
318+
317319
{
318320
// Test that regular and URL-safe base64 both work both ways with padding
319321
const expected = [0xff, 0xff, 0xbe, 0xff, 0xef, 0xbf, 0xfb, 0xef, 0xff, 0xfb];
@@ -341,137 +343,182 @@ assert.strictEqual((Buffer.from('Woman')).toString('base64url'), 'V29tYW4');
341343
'dWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZ' +
342344
'GdlLCBleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm' +
343345
'5hbCBwbGVhc3VyZS4=';
344-
assert.strictEqual((Buffer.from(quote)).toString('base64'), expected);
345-
346-
let b = Buffer.allocUnsafe(1024);
347-
let bytesWritten = b.write(expected, 0, 'base64');
348-
assert.strictEqual(quote.length, bytesWritten);
349-
assert.strictEqual(quote, b.toString('ascii', 0, quote.length));
350-
351-
// Check that the base64 decoder ignores whitespace
352-
const expectedWhite = `${expected.slice(0, 60)} \n` +
353-
`${expected.slice(60, 120)} \n` +
354-
`${expected.slice(120, 180)} \n` +
355-
`${expected.slice(180, 240)} \n` +
356-
`${expected.slice(240, 300)}\n` +
357-
`${expected.slice(300, 360)}\n`;
358-
b = Buffer.allocUnsafe(1024);
359-
bytesWritten = b.write(expectedWhite, 0, 'base64');
360-
assert.strictEqual(quote.length, bytesWritten);
361-
assert.strictEqual(quote, b.toString('ascii', 0, quote.length));
362-
363-
// Check that the base64 decoder on the constructor works
364-
// even in the presence of whitespace.
365-
b = Buffer.from(expectedWhite, 'base64');
366-
assert.strictEqual(quote.length, b.length);
367-
assert.strictEqual(quote, b.toString('ascii', 0, quote.length));
368-
369-
// Check that the base64 decoder ignores illegal chars
370-
const expectedIllegal = expected.slice(0, 60) + ' \x80' +
371-
expected.slice(60, 120) + ' \xff' +
372-
expected.slice(120, 180) + ' \x00' +
373-
expected.slice(180, 240) + ' \x98' +
374-
expected.slice(240, 300) + '\x03' +
375-
expected.slice(300, 360);
376-
b = Buffer.from(expectedIllegal, 'base64');
377-
assert.strictEqual(quote.length, b.length);
378-
assert.strictEqual(quote, b.toString('ascii', 0, quote.length));
346+
assert.strictEqual(Buffer.from(quote).toString('base64'), expected);
347+
assert.strictEqual(
348+
Buffer.from(quote).toString('base64url'),
349+
expected.replaceAll('+', '-').replaceAll('/', '_').replaceAll('=', '')
350+
);
351+
352+
base64flavors.forEach((encoding) => {
353+
let b = Buffer.allocUnsafe(1024);
354+
let bytesWritten = b.write(expected, 0, encoding);
355+
assert.strictEqual(quote.length, bytesWritten);
356+
assert.strictEqual(quote, b.toString('ascii', 0, quote.length));
357+
358+
// Check that the base64 decoder ignores whitespace
359+
const expectedWhite = `${expected.slice(0, 60)} \n` +
360+
`${expected.slice(60, 120)} \n` +
361+
`${expected.slice(120, 180)} \n` +
362+
`${expected.slice(180, 240)} \n` +
363+
`${expected.slice(240, 300)}\n` +
364+
`${expected.slice(300, 360)}\n`;
365+
b = Buffer.allocUnsafe(1024);
366+
bytesWritten = b.write(expectedWhite, 0, encoding);
367+
assert.strictEqual(quote.length, bytesWritten);
368+
assert.strictEqual(quote, b.toString('ascii', 0, quote.length));
369+
370+
// Check that the base64 decoder on the constructor works
371+
// even in the presence of whitespace.
372+
b = Buffer.from(expectedWhite, encoding);
373+
assert.strictEqual(quote.length, b.length);
374+
assert.strictEqual(quote, b.toString('ascii', 0, quote.length));
375+
376+
// Check that the base64 decoder ignores illegal chars
377+
const expectedIllegal = expected.slice(0, 60) + ' \x80' +
378+
expected.slice(60, 120) + ' \xff' +
379+
expected.slice(120, 180) + ' \x00' +
380+
expected.slice(180, 240) + ' \x98' +
381+
expected.slice(240, 300) + '\x03' +
382+
expected.slice(300, 360);
383+
b = Buffer.from(expectedIllegal, encoding);
384+
assert.strictEqual(quote.length, b.length);
385+
assert.strictEqual(quote, b.toString('ascii', 0, quote.length));
386+
});
379387
}
380388

381-
assert.strictEqual(Buffer.from('', 'base64').toString(), '');
382-
assert.strictEqual(Buffer.from('K', 'base64').toString(), '');
383-
384-
// multiple-of-4 with padding
385-
assert.strictEqual(Buffer.from('Kg==', 'base64').toString(), '*');
386-
assert.strictEqual(Buffer.from('Kio=', 'base64').toString(), '*'.repeat(2));
387-
assert.strictEqual(Buffer.from('Kioq', 'base64').toString(), '*'.repeat(3));
388-
assert.strictEqual(Buffer.from('KioqKg==', 'base64').toString(), '*'.repeat(4));
389-
assert.strictEqual(Buffer.from('KioqKio=', 'base64').toString(), '*'.repeat(5));
390-
assert.strictEqual(Buffer.from('KioqKioq', 'base64').toString(), '*'.repeat(6));
391-
assert.strictEqual(Buffer.from('KioqKioqKg==', 'base64').toString(),
392-
'*'.repeat(7));
393-
assert.strictEqual(Buffer.from('KioqKioqKio=', 'base64').toString(),
394-
'*'.repeat(8));
395-
assert.strictEqual(Buffer.from('KioqKioqKioq', 'base64').toString(),
396-
'*'.repeat(9));
397-
assert.strictEqual(Buffer.from('KioqKioqKioqKg==', 'base64').toString(),
398-
'*'.repeat(10));
399-
assert.strictEqual(Buffer.from('KioqKioqKioqKio=', 'base64').toString(),
400-
'*'.repeat(11));
401-
assert.strictEqual(Buffer.from('KioqKioqKioqKioq', 'base64').toString(),
402-
'*'.repeat(12));
403-
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKg==', 'base64').toString(),
404-
'*'.repeat(13));
405-
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKio=', 'base64').toString(),
406-
'*'.repeat(14));
407-
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioq', 'base64').toString(),
408-
'*'.repeat(15));
409-
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKg==', 'base64').toString(),
410-
'*'.repeat(16));
411-
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKio=', 'base64').toString(),
412-
'*'.repeat(17));
413-
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKioq', 'base64').toString(),
414-
'*'.repeat(18));
415-
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKioqKg==',
416-
'base64').toString(),
417-
'*'.repeat(19));
418-
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKioqKio=',
419-
'base64').toString(),
420-
'*'.repeat(20));
421-
422-
// No padding, not a multiple of 4
423-
assert.strictEqual(Buffer.from('Kg', 'base64').toString(), '*');
424-
assert.strictEqual(Buffer.from('Kio', 'base64').toString(), '*'.repeat(2));
425-
assert.strictEqual(Buffer.from('KioqKg', 'base64').toString(), '*'.repeat(4));
426-
assert.strictEqual(Buffer.from('KioqKio', 'base64').toString(), '*'.repeat(5));
427-
assert.strictEqual(Buffer.from('KioqKioqKg', 'base64').toString(),
428-
'*'.repeat(7));
429-
assert.strictEqual(Buffer.from('KioqKioqKio', 'base64').toString(),
430-
'*'.repeat(8));
431-
assert.strictEqual(Buffer.from('KioqKioqKioqKg', 'base64').toString(),
432-
'*'.repeat(10));
433-
assert.strictEqual(Buffer.from('KioqKioqKioqKio', 'base64').toString(),
434-
'*'.repeat(11));
435-
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKg', 'base64').toString(),
436-
'*'.repeat(13));
437-
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKio', 'base64').toString(),
438-
'*'.repeat(14));
439-
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKg', 'base64').toString(),
440-
'*'.repeat(16));
441-
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKio', 'base64').toString(),
442-
'*'.repeat(17));
443-
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKioqKg',
444-
'base64').toString(),
445-
'*'.repeat(19));
446-
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKioqKio',
447-
'base64').toString(),
448-
'*'.repeat(20));
389+
base64flavors.forEach((encoding) => {
390+
assert.strictEqual(Buffer.from('', encoding).toString(), '');
391+
assert.strictEqual(Buffer.from('K', encoding).toString(), '');
392+
393+
// multiple-of-4 with padding
394+
assert.strictEqual(Buffer.from('Kg==', encoding).toString(), '*');
395+
assert.strictEqual(Buffer.from('Kio=', encoding).toString(), '*'.repeat(2));
396+
assert.strictEqual(Buffer.from('Kioq', encoding).toString(), '*'.repeat(3));
397+
assert.strictEqual(
398+
Buffer.from('KioqKg==', encoding).toString(), '*'.repeat(4));
399+
assert.strictEqual(
400+
Buffer.from('KioqKio=', encoding).toString(), '*'.repeat(5));
401+
assert.strictEqual(
402+
Buffer.from('KioqKioq', encoding).toString(), '*'.repeat(6));
403+
assert.strictEqual(Buffer.from('KioqKioqKg==', encoding).toString(),
404+
'*'.repeat(7));
405+
assert.strictEqual(Buffer.from('KioqKioqKio=', encoding).toString(),
406+
'*'.repeat(8));
407+
assert.strictEqual(Buffer.from('KioqKioqKioq', encoding).toString(),
408+
'*'.repeat(9));
409+
assert.strictEqual(Buffer.from('KioqKioqKioqKg==', encoding).toString(),
410+
'*'.repeat(10));
411+
assert.strictEqual(Buffer.from('KioqKioqKioqKio=', encoding).toString(),
412+
'*'.repeat(11));
413+
assert.strictEqual(Buffer.from('KioqKioqKioqKioq', encoding).toString(),
414+
'*'.repeat(12));
415+
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKg==', encoding).toString(),
416+
'*'.repeat(13));
417+
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKio=', encoding).toString(),
418+
'*'.repeat(14));
419+
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioq', encoding).toString(),
420+
'*'.repeat(15));
421+
assert.strictEqual(
422+
Buffer.from('KioqKioqKioqKioqKioqKg==', encoding).toString(),
423+
'*'.repeat(16));
424+
assert.strictEqual(
425+
Buffer.from('KioqKioqKioqKioqKioqKio=', encoding).toString(),
426+
'*'.repeat(17));
427+
assert.strictEqual(
428+
Buffer.from('KioqKioqKioqKioqKioqKioq', encoding).toString(),
429+
'*'.repeat(18));
430+
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKioqKg==',
431+
encoding).toString(),
432+
'*'.repeat(19));
433+
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKioqKio=',
434+
encoding).toString(),
435+
'*'.repeat(20));
436+
437+
// No padding, not a multiple of 4
438+
assert.strictEqual(Buffer.from('Kg', encoding).toString(), '*');
439+
assert.strictEqual(Buffer.from('Kio', encoding).toString(), '*'.repeat(2));
440+
assert.strictEqual(Buffer.from('KioqKg', encoding).toString(), '*'.repeat(4));
441+
assert.strictEqual(
442+
Buffer.from('KioqKio', encoding).toString(), '*'.repeat(5));
443+
assert.strictEqual(Buffer.from('KioqKioqKg', encoding).toString(),
444+
'*'.repeat(7));
445+
assert.strictEqual(Buffer.from('KioqKioqKio', encoding).toString(),
446+
'*'.repeat(8));
447+
assert.strictEqual(Buffer.from('KioqKioqKioqKg', encoding).toString(),
448+
'*'.repeat(10));
449+
assert.strictEqual(Buffer.from('KioqKioqKioqKio', encoding).toString(),
450+
'*'.repeat(11));
451+
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKg', encoding).toString(),
452+
'*'.repeat(13));
453+
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKio', encoding).toString(),
454+
'*'.repeat(14));
455+
assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKg', encoding).toString(),
456+
'*'.repeat(16));
457+
assert.strictEqual(
458+
Buffer.from('KioqKioqKioqKioqKioqKio', encoding).toString(),
459+
'*'.repeat(17));
460+
assert.strictEqual(
461+
Buffer.from('KioqKioqKioqKioqKioqKioqKg', encoding).toString(),
462+
'*'.repeat(19));
463+
assert.strictEqual(
464+
Buffer.from('KioqKioqKioqKioqKioqKioqKio', encoding).toString(),
465+
'*'.repeat(20));
466+
});
449467

450468
// Handle padding graciously, multiple-of-4 or not
451469
assert.strictEqual(
452470
Buffer.from('72INjkR5fchcxk9+VgdGPFJDxUBFR5/rMFsghgxADiw==', 'base64').length,
453471
32
454472
);
473+
assert.strictEqual(
474+
Buffer.from('72INjkR5fchcxk9-VgdGPFJDxUBFR5_rMFsghgxADiw==', 'base64url')
475+
.length,
476+
32
477+
);
455478
assert.strictEqual(
456479
Buffer.from('72INjkR5fchcxk9+VgdGPFJDxUBFR5/rMFsghgxADiw=', 'base64').length,
457480
32
458481
);
482+
assert.strictEqual(
483+
Buffer.from('72INjkR5fchcxk9-VgdGPFJDxUBFR5_rMFsghgxADiw=', 'base64url')
484+
.length,
485+
32
486+
);
459487
assert.strictEqual(
460488
Buffer.from('72INjkR5fchcxk9+VgdGPFJDxUBFR5/rMFsghgxADiw', 'base64').length,
461489
32
462490
);
491+
assert.strictEqual(
492+
Buffer.from('72INjkR5fchcxk9-VgdGPFJDxUBFR5_rMFsghgxADiw', 'base64url')
493+
.length,
494+
32
495+
);
463496
assert.strictEqual(
464497
Buffer.from('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg==', 'base64').length,
465498
31
466499
);
500+
assert.strictEqual(
501+
Buffer.from('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg==', 'base64url')
502+
.length,
503+
31
504+
);
467505
assert.strictEqual(
468506
Buffer.from('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg=', 'base64').length,
469507
31
470508
);
509+
assert.strictEqual(
510+
Buffer.from('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg=', 'base64url')
511+
.length,
512+
31
513+
);
471514
assert.strictEqual(
472515
Buffer.from('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg', 'base64').length,
473516
31
474517
);
518+
assert.strictEqual(
519+
Buffer.from('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg', 'base64url').length,
520+
31
521+
);
475522

476523
{
477524
// This string encodes single '.' character in UTF-16
@@ -483,6 +530,16 @@ assert.strictEqual(
483530
assert.strictEqual(dot.toString('base64'), '//4uAA==');
484531
}
485532

533+
{
534+
// This string encodes single '.' character in UTF-16
535+
const dot = Buffer.from('//4uAA', 'base64url');
536+
assert.strictEqual(dot[0], 0xff);
537+
assert.strictEqual(dot[1], 0xfe);
538+
assert.strictEqual(dot[2], 0x2e);
539+
assert.strictEqual(dot[3], 0x00);
540+
assert.strictEqual(dot.toString('base64url'), '__4uAA');
541+
}
542+
486543
{
487544
// Writing base64 at a position > 0 should not mangle the result.
488545
//
@@ -498,6 +555,21 @@ assert.strictEqual(
498555
'Madness?! This is node.js!');
499556
}
500557

558+
{
559+
// Writing base64url at a position > 0 should not mangle the result.
560+
//
561+
// https://github.com/joyent/node/issues/402
562+
const segments = ['TWFkbmVzcz8h', 'IFRoaXM', 'IGlz', 'IG5vZGUuanMh'];
563+
const b = Buffer.allocUnsafe(64);
564+
let pos = 0;
565+
566+
for (let i = 0; i < segments.length; ++i) {
567+
pos += b.write(segments[i], pos, 'base64url');
568+
}
569+
assert.strictEqual(b.toString('latin1', 0, pos),
570+
'Madness?! This is node.js!');
571+
}
572+
501573
// Regression test for https://github.com/nodejs/node/issues/3496.
502574
assert.strictEqual(Buffer.from('=bad'.repeat(1e4), 'base64').length, 0);
503575

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