'use strict';
var Buffer = require('../../').Buffer;
-
var common = { skip: function () {} };
var assert = require('assert');
+var vm = require('vm');
-var Buffer = require('../../').Buffer;
+var SlowBuffer = require('../../').SlowBuffer;
-// counter to ensure unique value is always copied
-var cntr = 0;
var b = Buffer.allocUnsafe(1024);
-
-// console.log('b.length == %d', b.length);
assert.strictEqual(1024, b.length);
b[0] = -1;
}
var c = Buffer.allocUnsafe(512);
-// console.log('c.length == %d', c.length);
assert.strictEqual(512, c.length);
var d = Buffer.from([]);
assert.strictEqual(0, d.length);
-var ui32 = new Uint32Array(4).fill(42);
-var e = Buffer.from(ui32);
-for (var [index, value] of e.entries()) {
- assert.strictEqual(value, ui32[index]);
-}
-
-// First check Buffer#fill() works as expected.
-
-assert.throws(function() {
- Buffer.allocUnsafe(8).fill('a', -1);
-});
-
-assert.throws(function() {
- Buffer.allocUnsafe(8).fill('a', 0, 9);
-});
-
-// Make sure this doesn't hang indefinitely.
-Buffer.allocUnsafe(8).fill('');
-Buffer.alloc(8, '');
-
-{
- var buf = Buffer.alloc(64, 10);
- for (var i = 0; i < buf.length; i++)
- assert.equal(buf[i], 10);
-
- buf.fill(11, 0, buf.length >> 1);
- for (var i = 0; i < buf.length >> 1; i++)
- assert.equal(buf[i], 11);
- for (var i = (buf.length >> 1) + 1; i < buf.length; i++)
- assert.equal(buf[i], 10);
-
- buf.fill('h');
- for (var i = 0; i < buf.length; i++)
- assert.equal('h'.charCodeAt(0), buf[i]);
-
- buf.fill(0);
- for (var i = 0; i < buf.length; i++)
- assert.equal(0, buf[i]);
-
- buf.fill(null);
- for (var i = 0; i < buf.length; i++)
- assert.equal(0, buf[i]);
-
- buf.fill(1, 16, 32);
- for (var i = 0; i < 16; i++)
- assert.equal(0, buf[i]);
- for (var i = 16; i < 32; i++)
- assert.equal(1, buf[i]);
- for (var i = 32; i < buf.length; i++)
- assert.equal(0, buf[i]);
-}
-
+// Test offset properties
{
- var buf = Buffer.alloc(10, 'abc');
- assert.equal(buf.toString(), 'abcabcabca');
- buf.fill('է');
- assert.equal(buf.toString(), 'էէէէէ');
+ var b = Buffer.alloc(128);
+ assert.strictEqual(128, b.length);
+ assert.strictEqual(0, b.byteOffset);
+ //assert.strictEqual(0, b.offset);
}
+// Test creating a Buffer from a Uint32Array
{
- // copy 512 bytes, from 0 to 512.
- b.fill(++cntr);
- c.fill(++cntr);
- var copied = b.copy(c, 0, 0, 512);
-// console.log('copied %d bytes from b into c', copied);
- assert.strictEqual(512, copied);
- for (var i = 0; i < c.length; i++) {
- assert.strictEqual(b[i], c[i]);
+ var ui32 = new Uint32Array(4).fill(42);
+ var e = Buffer.from(ui32);
+ for (var [index, value] of e.entries()) {
+ assert.strictEqual(value, ui32[index]);
}
}
-
+// Test creating a Buffer from a Uint32Array (old constructor)
{
- // copy c into b, without specifying sourceEnd
- b.fill(++cntr);
- c.fill(++cntr);
- var copied = c.copy(b, 0, 0);
-// console.log('copied %d bytes from c into b w/o sourceEnd', copied);
- assert.strictEqual(c.length, copied);
- for (var i = 0; i < c.length; i++) {
- assert.strictEqual(c[i], b[i]);
+ var ui32 = new Uint32Array(4).fill(42);
+ var e = Buffer(ui32);
+ for (var [key, value] of e.entries()) {
+ assert.deepStrictEqual(value, ui32[key]);
}
}
-{
- // copy c into b, without specifying sourceStart
- b.fill(++cntr);
- c.fill(++cntr);
- var copied = c.copy(b, 0);
-// console.log('copied %d bytes from c into b w/o sourceStart', copied);
- assert.strictEqual(c.length, copied);
- for (var i = 0; i < c.length; i++) {
- assert.strictEqual(c[i], b[i]);
- }
-}
-
-{
- // copy longer buffer b to shorter c without targetStart
- b.fill(++cntr);
- c.fill(++cntr);
- var copied = b.copy(c);
-// console.log('copied %d bytes from b into c w/o targetStart', copied);
- assert.strictEqual(c.length, copied);
- for (var i = 0; i < c.length; i++) {
- assert.strictEqual(b[i], c[i]);
- }
-}
-
-{
- // copy starting near end of b to c
- b.fill(++cntr);
- c.fill(++cntr);
- var copied = b.copy(c, 0, b.length - Math.floor(c.length / 2));
-// console.log('copied %d bytes from end of b into beginning of c', copied);
- assert.strictEqual(Math.floor(c.length / 2), copied);
- for (var i = 0; i < Math.floor(c.length / 2); i++) {
- assert.strictEqual(b[b.length - Math.floor(c.length / 2) + i], c[i]);
- }
- for (var i = Math.floor(c.length / 2) + 1; i < c.length; i++) {
- assert.strictEqual(c[c.length - 1], c[i]);
- }
-}
-
-{
- // try to copy 513 bytes, and check we don't overrun c
- b.fill(++cntr);
- c.fill(++cntr);
- var copied = b.copy(c, 0, 0, 513);
-// console.log('copied %d bytes from b trying to overrun c', copied);
- assert.strictEqual(c.length, copied);
- for (var i = 0; i < c.length; i++) {
- assert.strictEqual(b[i], c[i]);
- }
-}
-
-{
- // copy 768 bytes from b into b
- b.fill(++cntr);
- b.fill(++cntr, 256);
- var copied = b.copy(b, 0, 256, 1024);
-// console.log('copied %d bytes from b into b', copied);
- assert.strictEqual(768, copied);
- for (var i = 0; i < b.length; i++) {
- assert.strictEqual(cntr, b[i]);
- }
-}
-
-// copy string longer than buffer length (failure will segfault)
-var bb = Buffer.allocUnsafe(10);
-bb.fill('hello crazy world');
-
-
-// try to copy from before the beginning of b
-assert.doesNotThrow(() => { b.copy(c, 0, 100, 10); });
-
-// copy throws at negative sourceStart
-assert.throws(function() {
- Buffer.allocUnsafe(5).copy(Buffer.allocUnsafe(5), 0, -1);
-}, RangeError);
-
-{
- // check sourceEnd resets to targetEnd if former is greater than the latter
- b.fill(++cntr);
- c.fill(++cntr);
- var copied = b.copy(c, 0, 0, 1025);
-// console.log('copied %d bytes from b into c', copied);
- for (var i = 0; i < c.length; i++) {
- assert.strictEqual(b[i], c[i]);
- }
-}
-
-// throw with negative sourceEnd
-// console.log('test copy at negative sourceEnd');
-assert.throws(function() {
- b.copy(c, 0, 0, -1);
-}, RangeError);
-
-// when sourceStart is greater than sourceEnd, zero copied
-assert.equal(b.copy(c, 0, 100, 10), 0);
-
-// when targetStart > targetLength, zero copied
-assert.equal(b.copy(c, 512, 0, 10), 0);
-
-var caught_error;
-
-// invalid encoding for Buffer.toString
-caught_error = null;
-try {
- b.toString('invalid');
-} catch (err) {
- caught_error = err;
-}
-assert.strictEqual('Unknown encoding: invalid', caught_error.message);
-
+// Test invalid encoding for Buffer.toString
+assert.throws(() => b.toString('invalid'),
+ /Unknown encoding: invalid/);
// invalid encoding for Buffer.write
-caught_error = null;
-try {
- b.write('test string', 0, 5, 'invalid');
-} catch (err) {
- caught_error = err;
-}
-assert.strictEqual('Unknown encoding: invalid', caught_error.message);
+assert.throws(() => b.write('test string', 0, 5, 'invalid'),
+ /Unknown encoding: invalid/);
+// unsupported arguments for Buffer.write
+assert.throws(() => b.write('test', 'utf8', 0),
+ /is no longer supported/);
+
// try to create 0-length buffers
-Buffer.from('');
-Buffer.from('', 'ascii');
-Buffer.from('', 'latin1');
-Buffer.alloc(0);
-Buffer.allocUnsafe(0);
+assert.doesNotThrow(() => Buffer.from(''));
+assert.doesNotThrow(() => Buffer.from('', 'ascii'));
+assert.doesNotThrow(() => Buffer.from('', 'latin1'));
+assert.doesNotThrow(() => Buffer.alloc(0));
+assert.doesNotThrow(() => Buffer.allocUnsafe(0));
+assert.doesNotThrow(() => new Buffer(''));
+assert.doesNotThrow(() => new Buffer('', 'ascii'));
+assert.doesNotThrow(() => new Buffer('', 'latin1'));
+assert.doesNotThrow(() => new Buffer('', 'binary'));
+assert.doesNotThrow(() => Buffer(0));
// try to write a 0-length string beyond the end of b
-assert.throws(function() {
- b.write('', 2048);
-}, RangeError);
+assert.throws(() => b.write('', 2048), RangeError);
// throw when writing to negative offset
-assert.throws(function() {
- b.write('a', -1);
-}, RangeError);
+assert.throws(() => b.write('a', -1), RangeError);
// throw when writing past bounds from the pool
-assert.throws(function() {
- b.write('a', 2048);
-}, RangeError);
+assert.throws(() => b.write('a', 2048), RangeError);
// throw when writing to negative offset
-assert.throws(function() {
- b.write('a', -1);
-}, RangeError);
+assert.throws(() => b.write('a', -1), RangeError);
// try to copy 0 bytes worth of data into an empty buffer
b.copy(Buffer.alloc(0), 0, 0, 0);
// try to copy 0 bytes from past the end of the source buffer
b.copy(Buffer.alloc(1), 0, 2048, 2048);
-var rangeBuffer = Buffer.from('abc');
-
-// if start >= buffer's length, empty string will be returned
-assert.equal(rangeBuffer.toString('ascii', 3), '');
-assert.equal(rangeBuffer.toString('ascii', +Infinity), '');
-assert.equal(rangeBuffer.toString('ascii', 3.14, 3), '');
-assert.equal(rangeBuffer.toString('ascii', 'Infinity', 3), '');
-
-// if end <= 0, empty string will be returned
-assert.equal(rangeBuffer.toString('ascii', 1, 0), '');
-assert.equal(rangeBuffer.toString('ascii', 1, -1.2), '');
-assert.equal(rangeBuffer.toString('ascii', 1, -100), '');
-assert.equal(rangeBuffer.toString('ascii', 1, -Infinity), '');
-
-// if start < 0, start will be taken as zero
-assert.equal(rangeBuffer.toString('ascii', -1, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', -1.99, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', -Infinity, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', '-1', 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', '-1.99', 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', '-Infinity', 3), 'abc');
-
-// if start is an invalid integer, start will be taken as zero
-assert.equal(rangeBuffer.toString('ascii', 'node.js', 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', {}, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', [], 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', NaN, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', null, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', undefined, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', false, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', '', 3), 'abc');
-
-// but, if start is an integer when coerced, then it will be coerced and used.
-assert.equal(rangeBuffer.toString('ascii', '-1', 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', '1', 3), 'bc');
-assert.equal(rangeBuffer.toString('ascii', '-Infinity', 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', '3', 3), '');
-assert.equal(rangeBuffer.toString('ascii', Number(3), 3), '');
-assert.equal(rangeBuffer.toString('ascii', '3.14', 3), '');
-assert.equal(rangeBuffer.toString('ascii', '1.99', 3), 'bc');
-assert.equal(rangeBuffer.toString('ascii', '-1.99', 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 1.99, 3), 'bc');
-assert.equal(rangeBuffer.toString('ascii', true, 3), 'bc');
-
-// if end > buffer's length, end will be taken as buffer's length
-assert.equal(rangeBuffer.toString('ascii', 0, 5), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, 6.99), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, Infinity), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, '5'), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, '6.99'), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, 'Infinity'), 'abc');
-
-// if end is an invalid integer, end will be taken as buffer's length
-assert.equal(rangeBuffer.toString('ascii', 0, 'node.js'), '');
-assert.equal(rangeBuffer.toString('ascii', 0, {}), '');
-assert.equal(rangeBuffer.toString('ascii', 0, NaN), '');
-assert.equal(rangeBuffer.toString('ascii', 0, undefined), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, null), '');
-assert.equal(rangeBuffer.toString('ascii', 0, []), '');
-assert.equal(rangeBuffer.toString('ascii', 0, false), '');
-assert.equal(rangeBuffer.toString('ascii', 0, ''), '');
-
-// but, if end is an integer when coerced, then it will be coerced and used.
-assert.equal(rangeBuffer.toString('ascii', 0, '-1'), '');
-assert.equal(rangeBuffer.toString('ascii', 0, '1'), 'a');
-assert.equal(rangeBuffer.toString('ascii', 0, '-Infinity'), '');
-assert.equal(rangeBuffer.toString('ascii', 0, '3'), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, Number(3)), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, '3.14'), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, '1.99'), 'a');
-assert.equal(rangeBuffer.toString('ascii', 0, '-1.99'), '');
-assert.equal(rangeBuffer.toString('ascii', 0, 1.99), 'a');
-assert.equal(rangeBuffer.toString('ascii', 0, true), 'a');
-
-// try toString() with a object as a encoding
-assert.equal(rangeBuffer.toString({toString: function() {
- return 'ascii';
-}}), 'abc');
-
// testing for smart defaults and ability to pass string values as offset
-var writeTest = Buffer.from('abcdes');
-writeTest.write('n', 'ascii');
-writeTest.write('o', '1', 'ascii');
-writeTest.write('d', '2', 'ascii');
-writeTest.write('e', 3, 'ascii');
-writeTest.write('j', 4, 'ascii');
-assert.equal(writeTest.toString(), 'nodejs');
+{
+ var writeTest = Buffer.from('abcdes');
+ writeTest.write('n', 'ascii');
+ writeTest.write('o', '1', 'ascii');
+ writeTest.write('d', '2', 'ascii');
+ writeTest.write('e', 3, 'ascii');
+ writeTest.write('j', 4, 'ascii');
+ assert.strictEqual(writeTest.toString(), 'nodejs');
+}
+
+// Offset points to the end of the buffer
+// (see https://github.com/nodejs/node/issues/8127).
+assert.doesNotThrow(() => Buffer.alloc(1).write('', 1, 0));
// ASCII slice test
{
b[i] = asciiString.charCodeAt(i);
}
var asciiSlice = b.toString('ascii', 0, asciiString.length);
- assert.equal(asciiString, asciiSlice);
+ assert.strictEqual(asciiString, asciiSlice);
}
{
var asciiString = 'hello world';
var offset = 100;
- var written = b.write(asciiString, offset, 'ascii');
- assert.equal(asciiString.length, written);
+ assert.strictEqual(asciiString.length, b.write(asciiString, offset, 'ascii'));
var asciiSlice = b.toString('ascii', offset, offset + asciiString.length);
- assert.equal(asciiString, asciiSlice);
+ assert.strictEqual(asciiString, asciiSlice);
}
{
var sliceA = b.slice(offset, offset + asciiString.length);
var sliceB = b.slice(offset, offset + asciiString.length);
for (var i = 0; i < asciiString.length; i++) {
- assert.equal(sliceA[i], sliceB[i]);
+ assert.strictEqual(sliceA[i], sliceB[i]);
}
}
// UTF-8 slice test
+{
+ var utf8String = '¡hέlló wôrld!';
+ var offset = 100;
-var utf8String = '¡hέlló wôrld!';
-var offset = 100;
-
-b.write(utf8String, 0, Buffer.byteLength(utf8String), 'utf8');
-var utf8Slice = b.toString('utf8', 0, Buffer.byteLength(utf8String));
-assert.equal(utf8String, utf8Slice);
+ b.write(utf8String, 0, Buffer.byteLength(utf8String), 'utf8');
+ var utf8Slice = b.toString('utf8', 0, Buffer.byteLength(utf8String));
+ assert.strictEqual(utf8String, utf8Slice);
-var written = b.write(utf8String, offset, 'utf8');
-assert.equal(Buffer.byteLength(utf8String), written);
-utf8Slice = b.toString('utf8', offset, offset + Buffer.byteLength(utf8String));
-assert.equal(utf8String, utf8Slice);
+ assert.strictEqual(Buffer.byteLength(utf8String),
+ b.write(utf8String, offset, 'utf8'));
+ utf8Slice = b.toString('utf8', offset,
+ offset + Buffer.byteLength(utf8String));
+ assert.strictEqual(utf8String, utf8Slice);
-var sliceA = b.slice(offset, offset + Buffer.byteLength(utf8String));
-var sliceB = b.slice(offset, offset + Buffer.byteLength(utf8String));
-for (var i = 0; i < Buffer.byteLength(utf8String); i++) {
- assert.equal(sliceA[i], sliceB[i]);
+ var sliceA = b.slice(offset, offset + Buffer.byteLength(utf8String));
+ var sliceB = b.slice(offset, offset + Buffer.byteLength(utf8String));
+ for (var i = 0; i < Buffer.byteLength(utf8String); i++) {
+ assert.strictEqual(sliceA[i], sliceB[i]);
+ }
}
-
+/*
{
var slice = b.slice(100, 150);
- assert.equal(50, slice.length);
+ assert.strictEqual(50, slice.length);
for (var i = 0; i < 50; i++) {
- assert.equal(b[100 + i], slice[i]);
+ assert.strictEqual(b[100 + i], slice[i]);
}
}
-
+*/
{
// make sure only top level parent propagates from allocPool
var b = Buffer.allocUnsafe(5);
var c = b.slice(0, 4);
var d = c.slice(0, 2);
- assert.equal(b.parent, c.parent);
- assert.equal(b.parent, d.parent);
+ assert.strictEqual(b.parent, c.parent);
+ assert.strictEqual(b.parent, d.parent);
}
{
var b = Buffer.allocUnsafeSlow(5);
var c = b.slice(0, 4);
var d = c.slice(0, 2);
- assert.equal(c.parent, d.parent);
+ assert.strictEqual(c.parent, d.parent);
}
{
var testValue = '\u00F6\u65E5\u672C\u8A9E'; // ö日本語
var buffer = Buffer.allocUnsafe(32);
var size = buffer.write(testValue, 0, 'utf8');
-// console.log('bytes written to buffer: ' + size);
var slice = buffer.toString('utf8', 0, size);
- assert.equal(slice, testValue);
+ assert.strictEqual(slice, testValue);
}
{
var a = Buffer.allocUnsafe(8);
for (var i = 0; i < 8; i++) a[i] = i;
var b = a.slice(4, 8);
- assert.equal(4, b[0]);
- assert.equal(5, b[1]);
- assert.equal(6, b[2]);
- assert.equal(7, b[3]);
+ assert.strictEqual(4, b[0]);
+ assert.strictEqual(5, b[1]);
+ assert.strictEqual(6, b[2]);
+ assert.strictEqual(7, b[3]);
var c = b.slice(2, 4);
- assert.equal(6, c[0]);
- assert.equal(7, c[1]);
+ assert.strictEqual(6, c[0]);
+ assert.strictEqual(7, c[1]);
}
{
var d = Buffer.from([23, 42, 255]);
- assert.equal(d.length, 3);
- assert.equal(d[0], 23);
- assert.equal(d[1], 42);
- assert.equal(d[2], 255);
+ assert.strictEqual(d.length, 3);
+ assert.strictEqual(d[0], 23);
+ assert.strictEqual(d[1], 42);
+ assert.strictEqual(d[2], 255);
assert.deepStrictEqual(d, Buffer.from(d));
}
{
+ // Test for proper UTF-8 Encoding
var e = Buffer.from('über');
-// console.error('uber: \'%s\'', e.toString());
assert.deepStrictEqual(e, Buffer.from([195, 188, 98, 101, 114]));
}
{
+ // Test for proper ascii Encoding, length should be 4
var f = Buffer.from('über', 'ascii');
-// console.error('f.length: %d (should be 4)', f.length);
assert.deepStrictEqual(f, Buffer.from([252, 98, 101, 114]));
}
-['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach(function(encoding) {
+['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach((encoding) => {
{
+ // Test for proper UTF16LE encoding, length should be 8
var f = Buffer.from('über', encoding);
-// console.error('f.length: %d (should be 8)', f.length);
assert.deepStrictEqual(f, Buffer.from([252, 0, 98, 0, 101, 0, 114, 0]));
}
{
+ // Length should be 12
var f = Buffer.from('привет', encoding);
-// console.error('f.length: %d (should be 12)', f.length);
- assert.deepStrictEqual(f,
- Buffer.from([63, 4, 64, 4, 56, 4, 50, 4, 53, 4, 66, 4]));
- assert.equal(f.toString(encoding), 'привет');
+ assert.deepStrictEqual(
+ f, Buffer.from([63, 4, 64, 4, 56, 4, 50, 4, 53, 4, 66, 4])
+ );
+ assert.strictEqual(f.toString(encoding), 'привет');
}
{
var f = Buffer.from([0, 0, 0, 0, 0]);
- assert.equal(f.length, 5);
+ assert.strictEqual(f.length, 5);
var size = f.write('あいうえお', encoding);
-// console.error('bytes written to buffer: %d (should be 4)', size);
- assert.equal(size, 4);
+ assert.strictEqual(size, 4);
assert.deepStrictEqual(f, Buffer.from([0x42, 0x30, 0x44, 0x30, 0x00]));
}
});
{
var f = Buffer.from('\uD83D\uDC4D', 'utf-16le'); // THUMBS UP SIGN (U+1F44D)
- assert.equal(f.length, 4);
+ assert.strictEqual(f.length, 4);
assert.deepStrictEqual(f, Buffer.from('3DD84DDC', 'hex'));
}
-
-var arrayIsh = {0: 0, 1: 1, 2: 2, 3: 3, length: 4};
-var g = Buffer.from(arrayIsh);
-assert.deepStrictEqual(g, Buffer.from([0, 1, 2, 3]));
-var strArrayIsh = {0: '0', 1: '1', 2: '2', 3: '3', length: 4};
-g = Buffer.from(strArrayIsh);
-assert.deepStrictEqual(g, Buffer.from([0, 1, 2, 3]));
-
+// Test construction from arrayish object
+{
+ var arrayIsh = { 0: 0, 1: 1, 2: 2, 3: 3, length: 4 };
+ var g = Buffer.from(arrayIsh);
+ assert.deepStrictEqual(g, Buffer.from([0, 1, 2, 3]));
+ var strArrayIsh = { 0: '0', 1: '1', 2: '2', 3: '3', length: 4 };
+ g = Buffer.from(strArrayIsh);
+ assert.deepStrictEqual(g, Buffer.from([0, 1, 2, 3]));
+}
//
// Test toString('base64')
//
-assert.equal('TWFu', (Buffer.from('Man')).toString('base64'));
+assert.strictEqual('TWFu', (Buffer.from('Man')).toString('base64'));
{
// test that regular and URL-safe base64 both work
'dWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZ' +
'GdlLCBleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm' +
'5hbCBwbGVhc3VyZS4=';
- assert.equal(expected, (Buffer.from(quote)).toString('base64'));
+ assert.strictEqual(expected, (Buffer.from(quote)).toString('base64'));
var b = Buffer.allocUnsafe(1024);
var bytesWritten = b.write(expected, 0, 'base64');
- assert.equal(quote.length, bytesWritten);
- assert.equal(quote, b.toString('ascii', 0, quote.length));
+ assert.strictEqual(quote.length, bytesWritten);
+ assert.strictEqual(quote, b.toString('ascii', 0, quote.length));
// check that the base64 decoder ignores whitespace
- var expectedWhite = expected.slice(0, 60) + ' \n' +
- expected.slice(60, 120) + ' \n' +
- expected.slice(120, 180) + ' \n' +
- expected.slice(180, 240) + ' \n' +
- expected.slice(240, 300) + '\n' +
- expected.slice(300, 360) + '\n';
+ var expectedWhite = `${expected.slice(0, 60)} \n` +
+ `${expected.slice(60, 120)} \n` +
+ `${expected.slice(120, 180)} \n` +
+ `${expected.slice(180, 240)} \n` +
+ `${expected.slice(240, 300)}\n` +
+ `${expected.slice(300, 360)}\n`;
b = Buffer.allocUnsafe(1024);
bytesWritten = b.write(expectedWhite, 0, 'base64');
- assert.equal(quote.length, bytesWritten);
- assert.equal(quote, b.toString('ascii', 0, quote.length));
+ assert.strictEqual(quote.length, bytesWritten);
+ assert.strictEqual(quote, b.toString('ascii', 0, quote.length));
// check that the base64 decoder on the constructor works
// even in the presence of whitespace.
b = Buffer.from(expectedWhite, 'base64');
- assert.equal(quote.length, b.length);
- assert.equal(quote, b.toString('ascii', 0, quote.length));
+ assert.strictEqual(quote.length, b.length);
+ assert.strictEqual(quote, b.toString('ascii', 0, quote.length));
// check that the base64 decoder ignores illegal chars
var expectedIllegal = expected.slice(0, 60) + ' \x80' +
expected.slice(240, 300) + '\x03' +
expected.slice(300, 360);
b = Buffer.from(expectedIllegal, 'base64');
- assert.equal(quote.length, b.length);
- assert.equal(quote, b.toString('ascii', 0, quote.length));
+ assert.strictEqual(quote.length, b.length);
+ assert.strictEqual(quote, b.toString('ascii', 0, quote.length));
}
-assert.equal(Buffer.from('', 'base64').toString(), '');
-assert.equal(Buffer.from('K', 'base64').toString(), '');
+assert.strictEqual(Buffer.from('', 'base64').toString(), '');
+assert.strictEqual(Buffer.from('K', 'base64').toString(), '');
// multiple-of-4 with padding
-assert.equal(Buffer.from('Kg==', 'base64').toString(), '*');
-assert.equal(Buffer.from('Kio=', 'base64').toString(), '**');
-assert.equal(Buffer.from('Kioq', 'base64').toString(), '***');
-assert.equal(Buffer.from('KioqKg==', 'base64').toString(), '****');
-assert.equal(Buffer.from('KioqKio=', 'base64').toString(), '*****');
-assert.equal(Buffer.from('KioqKioq', 'base64').toString(), '******');
-assert.equal(Buffer.from('KioqKioqKg==', 'base64').toString(), '*******');
-assert.equal(Buffer.from('KioqKioqKio=', 'base64').toString(), '********');
-assert.equal(Buffer.from('KioqKioqKioq', 'base64').toString(), '*********');
-assert.equal(Buffer.from('KioqKioqKioqKg==', 'base64').toString(),
- '**********');
-assert.equal(Buffer.from('KioqKioqKioqKio=', 'base64').toString(),
- '***********');
-assert.equal(Buffer.from('KioqKioqKioqKioq', 'base64').toString(),
- '************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKg==', 'base64').toString(),
- '*************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKio=', 'base64').toString(),
- '**************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKioq', 'base64').toString(),
- '***************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKioqKg==', 'base64').toString(),
- '****************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKioqKio=', 'base64').toString(),
- '*****************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKioqKioq', 'base64').toString(),
- '******************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKioqKioqKg==', 'base64').toString(),
- '*******************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKioqKioqKio=', 'base64').toString(),
- '********************');
+assert.strictEqual(Buffer.from('Kg==', 'base64').toString(), '*');
+assert.strictEqual(Buffer.from('Kio=', 'base64').toString(), '*'.repeat(2));
+assert.strictEqual(Buffer.from('Kioq', 'base64').toString(), '*'.repeat(3));
+assert.strictEqual(Buffer.from('KioqKg==', 'base64').toString(), '*'.repeat(4));
+assert.strictEqual(Buffer.from('KioqKio=', 'base64').toString(), '*'.repeat(5));
+assert.strictEqual(Buffer.from('KioqKioq', 'base64').toString(), '*'.repeat(6));
+assert.strictEqual(Buffer.from('KioqKioqKg==', 'base64').toString(),
+ '*'.repeat(7));
+assert.strictEqual(Buffer.from('KioqKioqKio=', 'base64').toString(),
+ '*'.repeat(8));
+assert.strictEqual(Buffer.from('KioqKioqKioq', 'base64').toString(),
+ '*'.repeat(9));
+assert.strictEqual(Buffer.from('KioqKioqKioqKg==', 'base64').toString(),
+ '*'.repeat(10));
+assert.strictEqual(Buffer.from('KioqKioqKioqKio=', 'base64').toString(),
+ '*'.repeat(11));
+assert.strictEqual(Buffer.from('KioqKioqKioqKioq', 'base64').toString(),
+ '*'.repeat(12));
+assert.strictEqual(Buffer.from('KioqKioqKioqKioqKg==', 'base64').toString(),
+ '*'.repeat(13));
+assert.strictEqual(Buffer.from('KioqKioqKioqKioqKio=', 'base64').toString(),
+ '*'.repeat(14));
+assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioq', 'base64').toString(),
+ '*'.repeat(15));
+assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKg==', 'base64').toString(),
+ '*'.repeat(16));
+assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKio=', 'base64').toString(),
+ '*'.repeat(17));
+assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKioq', 'base64').toString(),
+ '*'.repeat(18));
+assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKioqKg==',
+ 'base64').toString(),
+ '*'.repeat(19));
+assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKioqKio=',
+ 'base64').toString(),
+ '*'.repeat(20));
// no padding, not a multiple of 4
-assert.equal(Buffer.from('Kg', 'base64').toString(), '*');
-assert.equal(Buffer.from('Kio', 'base64').toString(), '**');
-assert.equal(Buffer.from('KioqKg', 'base64').toString(), '****');
-assert.equal(Buffer.from('KioqKio', 'base64').toString(), '*****');
-assert.equal(Buffer.from('KioqKioqKg', 'base64').toString(), '*******');
-assert.equal(Buffer.from('KioqKioqKio', 'base64').toString(), '********');
-assert.equal(Buffer.from('KioqKioqKioqKg', 'base64').toString(), '**********');
-assert.equal(Buffer.from('KioqKioqKioqKio', 'base64').toString(),
- '***********');
-assert.equal(Buffer.from('KioqKioqKioqKioqKg', 'base64').toString(),
- '*************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKio', 'base64').toString(),
- '**************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKioqKg', 'base64').toString(),
- '****************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKioqKio', 'base64').toString(),
- '*****************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKioqKioqKg', 'base64').toString(),
- '*******************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKioqKioqKio', 'base64').toString(),
- '********************');
+assert.strictEqual(Buffer.from('Kg', 'base64').toString(), '*');
+assert.strictEqual(Buffer.from('Kio', 'base64').toString(), '*'.repeat(2));
+assert.strictEqual(Buffer.from('KioqKg', 'base64').toString(), '*'.repeat(4));
+assert.strictEqual(Buffer.from('KioqKio', 'base64').toString(), '*'.repeat(5));
+assert.strictEqual(Buffer.from('KioqKioqKg', 'base64').toString(),
+ '*'.repeat(7));
+assert.strictEqual(Buffer.from('KioqKioqKio', 'base64').toString(),
+ '*'.repeat(8));
+assert.strictEqual(Buffer.from('KioqKioqKioqKg', 'base64').toString(),
+ '*'.repeat(10));
+assert.strictEqual(Buffer.from('KioqKioqKioqKio', 'base64').toString(),
+ '*'.repeat(11));
+assert.strictEqual(Buffer.from('KioqKioqKioqKioqKg', 'base64').toString(),
+ '*'.repeat(13));
+assert.strictEqual(Buffer.from('KioqKioqKioqKioqKio', 'base64').toString(),
+ '*'.repeat(14));
+assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKg', 'base64').toString(),
+ '*'.repeat(16));
+assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKio', 'base64').toString(),
+ '*'.repeat(17));
+assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKioqKg',
+ 'base64').toString(),
+ '*'.repeat(19));
+assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKioqKio',
+ 'base64').toString(),
+ '*'.repeat(20));
// handle padding graciously, multiple-of-4 or not
-assert.equal(
+assert.strictEqual(
Buffer.from('72INjkR5fchcxk9+VgdGPFJDxUBFR5/rMFsghgxADiw==', 'base64').length,
32
);
-assert.equal(
+assert.strictEqual(
Buffer.from('72INjkR5fchcxk9+VgdGPFJDxUBFR5/rMFsghgxADiw=', 'base64').length,
32
);
-assert.equal(
+assert.strictEqual(
Buffer.from('72INjkR5fchcxk9+VgdGPFJDxUBFR5/rMFsghgxADiw', 'base64').length,
32
);
-assert.equal(
+assert.strictEqual(
Buffer.from('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg==', 'base64').length,
31
);
-assert.equal(
+assert.strictEqual(
Buffer.from('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg=', 'base64').length,
31
);
-assert.equal(
+assert.strictEqual(
Buffer.from('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg', 'base64').length,
31
);
+{
// This string encodes single '.' character in UTF-16
-var dot = Buffer.from('//4uAA==', 'base64');
-assert.equal(dot[0], 0xff);
-assert.equal(dot[1], 0xfe);
-assert.equal(dot[2], 0x2e);
-assert.equal(dot[3], 0x00);
-assert.equal(dot.toString('base64'), '//4uAA==');
+ var dot = Buffer.from('//4uAA==', 'base64');
+ assert.strictEqual(dot[0], 0xff);
+ assert.strictEqual(dot[1], 0xfe);
+ assert.strictEqual(dot[2], 0x2e);
+ assert.strictEqual(dot[3], 0x00);
+ assert.strictEqual(dot.toString('base64'), '//4uAA==');
+}
{
// Writing base64 at a position > 0 should not mangle the result.
for (var i = 0; i < segments.length; ++i) {
pos += b.write(segments[i], pos, 'base64');
}
- assert.equal(b.toString('latin1', 0, pos), 'Madness?! This is node.js!');
+ assert.strictEqual(b.toString('latin1', 0, pos),
+ 'Madness?! This is node.js!');
}
-
+/*
// Regression test for https://github.com/nodejs/node/issues/3496.
-// assert.equal(Buffer.from('=bad'.repeat(1e4), 'base64').length, 0);
+assert.strictEqual(Buffer.from('=bad'.repeat(1e4), 'base64').length, 0);
+*/
+// Regression test for https://github.com/nodejs/node/issues/11987.
+assert.deepStrictEqual(Buffer.from('w0 ', 'base64'),
+ Buffer.from('w0', 'base64'));
+
+// Regression test for https://github.com/nodejs/node/issues/13657.
+assert.deepStrictEqual(Buffer.from(' YWJvcnVtLg', 'base64'),
+ Buffer.from('YWJvcnVtLg', 'base64'));
{
// Creating buffers larger than pool size.
var l = Buffer.poolSize + 5;
- var s = '';
- for (var i = 0; i < l; i++) {
- s += 'h';
- }
-
+ var s = 'h'.repeat(l);
var b = Buffer.from(s);
for (var i = 0; i < l; i++) {
- assert.equal('h'.charCodeAt(0), b[i]);
+ assert.strictEqual('h'.charCodeAt(0), b[i]);
}
var sb = b.toString();
- assert.equal(sb.length, s.length);
- assert.equal(sb, s);
+ assert.strictEqual(sb.length, s.length);
+ assert.strictEqual(sb, s);
}
{
- // Single argument slice
- var b = Buffer.from('abcde');
- assert.equal('bcde', b.slice(1).toString());
+ // test hex toString
+ var hexb = Buffer.allocUnsafe(256);
+ for (var i = 0; i < 256; i++) {
+ hexb[i] = i;
+ }
+ var hexStr = hexb.toString('hex');
+ assert.strictEqual(hexStr,
+ '000102030405060708090a0b0c0d0e0f' +
+ '101112131415161718191a1b1c1d1e1f' +
+ '202122232425262728292a2b2c2d2e2f' +
+ '303132333435363738393a3b3c3d3e3f' +
+ '404142434445464748494a4b4c4d4e4f' +
+ '505152535455565758595a5b5c5d5e5f' +
+ '606162636465666768696a6b6c6d6e6f' +
+ '707172737475767778797a7b7c7d7e7f' +
+ '808182838485868788898a8b8c8d8e8f' +
+ '909192939495969798999a9b9c9d9e9f' +
+ 'a0a1a2a3a4a5a6a7a8a9aaabacadaeaf' +
+ 'b0b1b2b3b4b5b6b7b8b9babbbcbdbebf' +
+ 'c0c1c2c3c4c5c6c7c8c9cacbcccdcecf' +
+ 'd0d1d2d3d4d5d6d7d8d9dadbdcdddedf' +
+ 'e0e1e2e3e4e5e6e7e8e9eaebecedeeef' +
+ 'f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff');
+
+ var hexb2 = Buffer.from(hexStr, 'hex');
+ for (var i = 0; i < 256; i++) {
+ assert.strictEqual(hexb2[i], hexb[i]);
+ }
}
+/*
+// Test single hex character is discarded.
+assert.strictEqual(Buffer.from('A', 'hex').length, 0);
-// slice(0,0).length === 0
-assert.equal(0, Buffer.from('hello').slice(0, 0).length);
+// Test that if a trailing character is discarded, rest of string is processed.
+assert.deepStrictEqual(Buffer.from('Abx', 'hex'), Buffer.from('Ab', 'hex'));
+*/
+// Test single base64 char encodes as 0.
+assert.strictEqual(Buffer.from('A', 'base64').length, 0);
-// test hex toString
-// console.log('Create hex string from buffer');
-var hexb = Buffer.allocUnsafe(256);
-for (var i = 0; i < 256; i++) {
- hexb[i] = i;
-}
-var hexStr = hexb.toString('hex');
-assert.equal(hexStr,
- '000102030405060708090a0b0c0d0e0f' +
- '101112131415161718191a1b1c1d1e1f' +
- '202122232425262728292a2b2c2d2e2f' +
- '303132333435363738393a3b3c3d3e3f' +
- '404142434445464748494a4b4c4d4e4f' +
- '505152535455565758595a5b5c5d5e5f' +
- '606162636465666768696a6b6c6d6e6f' +
- '707172737475767778797a7b7c7d7e7f' +
- '808182838485868788898a8b8c8d8e8f' +
- '909192939495969798999a9b9c9d9e9f' +
- 'a0a1a2a3a4a5a6a7a8a9aaabacadaeaf' +
- 'b0b1b2b3b4b5b6b7b8b9babbbcbdbebf' +
- 'c0c1c2c3c4c5c6c7c8c9cacbcccdcecf' +
- 'd0d1d2d3d4d5d6d7d8d9dadbdcdddedf' +
- 'e0e1e2e3e4e5e6e7e8e9eaebecedeeef' +
- 'f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff');
-
-// console.log('Create buffer from hex string');
-var hexb2 = Buffer.from(hexStr, 'hex');
-for (var i = 0; i < 256; i++) {
- assert.equal(hexb2[i], hexb[i]);
-}
{
// test an invalid slice end.
-// console.log('Try to slice off the end of the buffer');
var b = Buffer.from([1, 2, 3, 4, 5]);
var b2 = b.toString('hex', 1, 10000);
var b3 = b.toString('hex', 1, 5);
var b4 = b.toString('hex', 1);
- assert.equal(b2, b3);
- assert.equal(b2, b4);
+ assert.strictEqual(b2, b3);
+ assert.strictEqual(b2, b4);
}
function buildBuffer(data) {
if (Array.isArray(data)) {
var buffer = Buffer.allocUnsafe(data.length);
- data.forEach(function(v, k) {
- buffer[k] = v;
- });
+ data.forEach((v, k) => buffer[k] = v);
return buffer;
}
return null;
var x = buildBuffer([0x81, 0xa3, 0x66, 0x6f, 0x6f, 0xa3, 0x62, 0x61, 0x72]);
-// console.log(x.inspect());
-assert.equal('<Buffer 81 a3 66 6f 6f a3 62 61 72>', x.inspect());
+assert.strictEqual('<Buffer 81 a3 66 6f 6f a3 62 61 72>', x.inspect());
{
var z = x.slice(4);
-// console.log(z.inspect());
-// console.log(z.length);
- assert.equal(5, z.length);
- assert.equal(0x6f, z[0]);
- assert.equal(0xa3, z[1]);
- assert.equal(0x62, z[2]);
- assert.equal(0x61, z[3]);
- assert.equal(0x72, z[4]);
+ assert.strictEqual(5, z.length);
+ assert.strictEqual(0x6f, z[0]);
+ assert.strictEqual(0xa3, z[1]);
+ assert.strictEqual(0x62, z[2]);
+ assert.strictEqual(0x61, z[3]);
+ assert.strictEqual(0x72, z[4]);
}
{
var z = x.slice(0);
-// console.log(z.inspect());
-// console.log(z.length);
- assert.equal(z.length, x.length);
+ assert.strictEqual(z.length, x.length);
}
{
var z = x.slice(0, 4);
-// console.log(z.inspect());
-// console.log(z.length);
- assert.equal(4, z.length);
- assert.equal(0x81, z[0]);
- assert.equal(0xa3, z[1]);
+ assert.strictEqual(4, z.length);
+ assert.strictEqual(0x81, z[0]);
+ assert.strictEqual(0xa3, z[1]);
}
{
var z = x.slice(0, 9);
-// console.log(z.inspect());
-// console.log(z.length);
- assert.equal(9, z.length);
+ assert.strictEqual(9, z.length);
}
{
var z = x.slice(1, 4);
-// console.log(z.inspect());
-// console.log(z.length);
- assert.equal(3, z.length);
- assert.equal(0xa3, z[0]);
+ assert.strictEqual(3, z.length);
+ assert.strictEqual(0xa3, z[0]);
}
{
var z = x.slice(2, 4);
-// console.log(z.inspect());
-// console.log(z.length);
- assert.equal(2, z.length);
- assert.equal(0x66, z[0]);
- assert.equal(0x6f, z[1]);
+ assert.strictEqual(2, z.length);
+ assert.strictEqual(0x66, z[0]);
+ assert.strictEqual(0x6f, z[1]);
}
-assert.equal(0, Buffer.from('hello').slice(0, 0).length);
-
-['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach(function(encoding) {
+['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach((encoding) => {
var b = Buffer.allocUnsafe(10);
b.write('あいうえお', encoding);
- assert.equal(b.toString(encoding), 'あいうえお');
+ assert.strictEqual(b.toString(encoding), 'あいうえお');
+});
+
+['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach((encoding) => {
+ var b = Buffer.allocUnsafe(11);
+ b.write('あいうえお', 1, encoding);
+ assert.strictEqual(b.toString(encoding, 1), 'あいうえお');
});
+{
+ // latin1 encoding should write only one byte per character.
+ var b = Buffer.from([0xde, 0xad, 0xbe, 0xef]);
+ var s = String.fromCharCode(0xffff);
+ b.write(s, 0, 'latin1');
+ assert.strictEqual(0xff, b[0]);
+ assert.strictEqual(0xad, b[1]);
+ assert.strictEqual(0xbe, b[2]);
+ assert.strictEqual(0xef, b[3]);
+ s = String.fromCharCode(0xaaee);
+ b.write(s, 0, 'latin1');
+ assert.strictEqual(0xee, b[0]);
+ assert.strictEqual(0xad, b[1]);
+ assert.strictEqual(0xbe, b[2]);
+ assert.strictEqual(0xef, b[3]);
+}
+
{
// Binary encoding should write only one byte per character.
var b = Buffer.from([0xde, 0xad, 0xbe, 0xef]);
var s = String.fromCharCode(0xffff);
b.write(s, 0, 'latin1');
- assert.equal(0xff, b[0]);
- assert.equal(0xad, b[1]);
- assert.equal(0xbe, b[2]);
- assert.equal(0xef, b[3]);
+ assert.strictEqual(0xff, b[0]);
+ assert.strictEqual(0xad, b[1]);
+ assert.strictEqual(0xbe, b[2]);
+ assert.strictEqual(0xef, b[3]);
s = String.fromCharCode(0xaaee);
b.write(s, 0, 'latin1');
- assert.equal(0xee, b[0]);
- assert.equal(0xad, b[1]);
- assert.equal(0xbe, b[2]);
- assert.equal(0xef, b[3]);
+ assert.strictEqual(0xee, b[0]);
+ assert.strictEqual(0xad, b[1]);
+ assert.strictEqual(0xbe, b[2]);
+ assert.strictEqual(0xef, b[3]);
}
{
- // #1210 Test UTF-8 string includes null character
+ // https://github.com/nodejs/node-v0.x-archive/pull/1210
+ // Test UTF-8 string includes null character
var buf = Buffer.from('\0');
- assert.equal(buf.length, 1);
+ assert.strictEqual(buf.length, 1);
buf = Buffer.from('\0\0');
- assert.equal(buf.length, 2);
+ assert.strictEqual(buf.length, 2);
}
{
var buf = Buffer.allocUnsafe(2);
- var written = buf.write(''); // 0byte
- assert.equal(written, 0);
- written = buf.write('\0'); // 1byte (v8 adds null terminator)
- assert.equal(written, 1);
- written = buf.write('a\0'); // 1byte * 2
- assert.equal(written, 2);
- written = buf.write('あ'); // 3bytes
- assert.equal(written, 0);
- written = buf.write('\0あ'); // 1byte + 3bytes
- assert.equal(written, 1);
- written = buf.write('\0\0あ'); // 1byte * 2 + 3bytes
- assert.equal(written, 2);
+ assert.strictEqual(buf.write(''), 0); //0bytes
+ assert.strictEqual(buf.write('\0'), 1); // 1byte (v8 adds null terminator)
+ assert.strictEqual(buf.write('a\0'), 2); // 1byte * 2
+ assert.strictEqual(buf.write('あ'), 0); // 3bytes
+ assert.strictEqual(buf.write('\0あ'), 1); // 1byte + 3bytes
+ assert.strictEqual(buf.write('\0\0あ'), 2); // 1byte * 2 + 3bytes
}
{
var buf = Buffer.allocUnsafe(10);
- written = buf.write('あいう'); // 3bytes * 3 (v8 adds null terminator)
- assert.equal(written, 9);
- written = buf.write('あいう\0'); // 3bytes * 3 + 1byte
- assert.equal(written, 10);
+ assert.strictEqual(buf.write('あいう'), 9); // 3bytes * 3 (v8 adds null term.)
+ assert.strictEqual(buf.write('あいう\0'), 10); // 3bytes * 3 + 1byte
}
{
- // #243 Test write() with maxLength
+ // https://github.com/nodejs/node-v0.x-archive/issues/243
+ // Test write() with maxLength
var buf = Buffer.allocUnsafe(4);
buf.fill(0xFF);
- var written = buf.write('abcd', 1, 2, 'utf8');
-// console.log(buf);
- assert.equal(written, 2);
- assert.equal(buf[0], 0xFF);
- assert.equal(buf[1], 0x61);
- assert.equal(buf[2], 0x62);
- assert.equal(buf[3], 0xFF);
+ assert.strictEqual(buf.write('abcd', 1, 2, 'utf8'), 2);
+ assert.strictEqual(buf[0], 0xFF);
+ assert.strictEqual(buf[1], 0x61);
+ assert.strictEqual(buf[2], 0x62);
+ assert.strictEqual(buf[3], 0xFF);
buf.fill(0xFF);
- written = buf.write('abcd', 1, 4);
-// console.log(buf);
- assert.equal(written, 3);
- assert.equal(buf[0], 0xFF);
- assert.equal(buf[1], 0x61);
- assert.equal(buf[2], 0x62);
- assert.equal(buf[3], 0x63);
+ assert.strictEqual(buf.write('abcd', 1, 4), 3);
+ assert.strictEqual(buf[0], 0xFF);
+ assert.strictEqual(buf[1], 0x61);
+ assert.strictEqual(buf[2], 0x62);
+ assert.strictEqual(buf[3], 0x63);
buf.fill(0xFF);
- written = buf.write('abcd', 1, 2, 'utf8');
-// console.log(buf);
- assert.equal(written, 2);
- assert.equal(buf[0], 0xFF);
- assert.equal(buf[1], 0x61);
- assert.equal(buf[2], 0x62);
- assert.equal(buf[3], 0xFF);
+ assert.strictEqual(buf.write('abcd', 1, 2, 'utf8'), 2);
+ assert.strictEqual(buf[0], 0xFF);
+ assert.strictEqual(buf[1], 0x61);
+ assert.strictEqual(buf[2], 0x62);
+ assert.strictEqual(buf[3], 0xFF);
buf.fill(0xFF);
- written = buf.write('abcdef', 1, 2, 'hex');
-// console.log(buf);
- assert.equal(written, 2);
- assert.equal(buf[0], 0xFF);
- assert.equal(buf[1], 0xAB);
- assert.equal(buf[2], 0xCD);
- assert.equal(buf[3], 0xFF);
-
- ['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach(function(encoding) {
+ assert.strictEqual(buf.write('abcdef', 1, 2, 'hex'), 2);
+ assert.strictEqual(buf[0], 0xFF);
+ assert.strictEqual(buf[1], 0xAB);
+ assert.strictEqual(buf[2], 0xCD);
+ assert.strictEqual(buf[3], 0xFF);
+
+ ['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach((encoding) => {
buf.fill(0xFF);
- written = buf.write('abcd', 0, 2, encoding);
-// console.log(buf);
- assert.equal(written, 2);
- assert.equal(buf[0], 0x61);
- assert.equal(buf[1], 0x00);
- assert.equal(buf[2], 0xFF);
- assert.equal(buf[3], 0xFF);
+ assert.strictEqual(buf.write('abcd', 0, 2, encoding), 2);
+ assert.strictEqual(buf[0], 0x61);
+ assert.strictEqual(buf[1], 0x00);
+ assert.strictEqual(buf[2], 0xFF);
+ assert.strictEqual(buf[3], 0xFF);
});
}
{
// test offset returns are correct
var b = Buffer.allocUnsafe(16);
- assert.equal(4, b.writeUInt32LE(0, 0));
- assert.equal(6, b.writeUInt16LE(0, 4));
- assert.equal(7, b.writeUInt8(0, 6));
- assert.equal(8, b.writeInt8(0, 7));
- assert.equal(16, b.writeDoubleLE(0, 8));
+ assert.strictEqual(4, b.writeUInt32LE(0, 0));
+ assert.strictEqual(6, b.writeUInt16LE(0, 4));
+ assert.strictEqual(7, b.writeUInt8(0, 6));
+ assert.strictEqual(8, b.writeInt8(0, 7));
+ assert.strictEqual(16, b.writeDoubleLE(0, 8));
}
{
// ef bf bd = utf-8 representation of unicode replacement character
// see https://codereview.chromium.org/121173009/
var buf = Buffer.from('ab\ud800cd', 'utf8');
- assert.equal(buf[0], 0x61);
- assert.equal(buf[1], 0x62);
- assert.equal(buf[2], 0xef);
- assert.equal(buf[3], 0xbf);
- assert.equal(buf[4], 0xbd);
- assert.equal(buf[5], 0x63);
- assert.equal(buf[6], 0x64);
+ assert.strictEqual(buf[0], 0x61);
+ assert.strictEqual(buf[1], 0x62);
+ assert.strictEqual(buf[2], 0xef);
+ assert.strictEqual(buf[3], 0xbf);
+ assert.strictEqual(buf[4], 0xbd);
+ assert.strictEqual(buf[5], 0x63);
+ assert.strictEqual(buf[6], 0x64);
}
{
// test for buffer overrun
var buf = Buffer.from([0, 0, 0, 0, 0]); // length: 5
var sub = buf.slice(0, 4); // length: 4
- written = sub.write('12345', 'latin1');
- assert.equal(written, 4);
- assert.equal(buf[4], 0);
+ assert.strictEqual(sub.write('12345', 'latin1'), 4);
+ assert.strictEqual(buf[4], 0);
+ assert.strictEqual(sub.write('12345', 'binary'), 4);
+ assert.strictEqual(buf[4], 0);
}
+{
+ // test alloc with fill option
+ var buf = Buffer.alloc(5, '800A', 'hex');
+ assert.strictEqual(buf[0], 128);
+ assert.strictEqual(buf[1], 10);
+ assert.strictEqual(buf[2], 128);
+ assert.strictEqual(buf[3], 10);
+ assert.strictEqual(buf[4], 128);
+}
+
+
// Check for fractional length args, junk length args, etc.
// https://github.com/joyent/node/issues/1758
// Call .fill() first, stops valgrind warning about uninitialized memory reads.
Buffer.allocUnsafe(3.3).fill().toString();
- // throws bad argument error in commit 43cb4ec
+// throws bad argument error in commit 43cb4ec
Buffer.alloc(3.3).fill().toString();
-assert.equal(Buffer.allocUnsafe(NaN).length, 0);
-assert.equal(Buffer.allocUnsafe(3.3).length, 3);
-assert.equal(Buffer.from({length: 3.3}).length, 3);
-assert.equal(Buffer.from({length: 'BAM'}).length, 0);
+assert.strictEqual(Buffer.allocUnsafe(NaN).length, 0);
+assert.strictEqual(Buffer.allocUnsafe(3.3).length, 3);
+assert.strictEqual(Buffer.from({ length: 3.3 }).length, 3);
+assert.strictEqual(Buffer.from({ length: 'BAM' }).length, 0);
// Make sure that strings are not coerced to numbers.
-assert.equal(Buffer.from('99').length, 2);
-assert.equal(Buffer.from('13.37').length, 5);
+assert.strictEqual(Buffer.from('99').length, 2);
+assert.strictEqual(Buffer.from('13.37').length, 5);
// Ensure that the length argument is respected.
-'ascii utf8 hex base64 latin1'.split(' ').forEach(function(enc) {
- assert.equal(Buffer.allocUnsafe(1).write('aaaaaa', 0, 1, enc), 1);
+['ascii', 'utf8', 'hex', 'base64', 'latin1', 'binary'].forEach((enc) => {
+ assert.strictEqual(Buffer.allocUnsafe(1).write('aaaaaa', 0, 1, enc), 1);
});
{
var a = Buffer.allocUnsafe(3);
var b = Buffer.from('xxx');
a.write('aaaaaaaa', 'base64');
- assert.equal(b.toString(), 'xxx');
+ assert.strictEqual(b.toString(), 'xxx');
}
// issue GH-3416
Buffer.from(Buffer.allocUnsafe(0), 0, 0);
-[ 'hex',
- 'utf8',
- 'utf-8',
- 'ascii',
- 'latin1',
- 'binary',
- 'base64',
- 'ucs2',
- 'ucs-2',
- 'utf16le',
- 'utf-16le' ].forEach(function(enc) {
- assert.equal(Buffer.isEncoding(enc), true);
- });
-
-[ 'utf9',
- 'utf-7',
- 'Unicode-FTW',
- 'new gnu gun',
- false,
- NaN,
- {},
- Infinity,
- [],
- 1,
- 0,
- -1 ].forEach(function(enc) {
- assert.equal(Buffer.isEncoding(enc), false);
- });
-
-
-// GH-5110
-{
- var buffer = Buffer.from('test');
- var string = JSON.stringify(buffer);
-
- assert.strictEqual(string, '{"type":"Buffer","data":[116,101,115,116]}');
-
- assert.deepStrictEqual(buffer, JSON.parse(string, function(key, value) {
- return value && value.type === 'Buffer'
- ? Buffer.from(value.data)
- : value;
- }));
-}
-
-// issue GH-7849
-{
- var buf = Buffer.from('test');
- var json = JSON.stringify(buf);
- var obj = JSON.parse(json);
- var copy = Buffer.from(obj);
-
- assert(buf.equals(copy));
-}
-
-// issue GH-4331
-assert.throws(function() {
- Buffer.allocUnsafe(0xFFFFFFFF);
-}, RangeError);
-assert.throws(function() {
- Buffer.allocUnsafe(0xFFFFFFFFF);
-}, RangeError);
-
+// issue GH-5587
+assert.throws(() => Buffer.alloc(8).writeFloatLE(0, 5), RangeError);
+assert.throws(() => Buffer.alloc(16).writeDoubleLE(0, 9), RangeError);
// attempt to overflow buffers, similar to previous bug in array buffers
-assert.throws(function() {
- var buf = Buffer.allocUnsafe(8);
- buf.readFloatLE(0xffffffff);
-}, RangeError);
-
-assert.throws(function() {
- var buf = Buffer.allocUnsafe(8);
- buf.writeFloatLE(0.0, 0xffffffff);
-}, RangeError);
-
-assert.throws(function() {
- var buf = Buffer.allocUnsafe(8);
- buf.readFloatLE(0xffffffff);
-}, RangeError);
-
-assert.throws(function() {
- var buf = Buffer.allocUnsafe(8);
- buf.writeFloatLE(0.0, 0xffffffff);
-}, RangeError);
+assert.throws(() => Buffer.allocUnsafe(8).writeFloatLE(0.0, 0xffffffff),
+ RangeError);
+assert.throws(() => Buffer.allocUnsafe(8).writeFloatLE(0.0, 0xffffffff),
+ RangeError);
// ensure negative values can't get past offset
-assert.throws(function() {
- var buf = Buffer.allocUnsafe(8);
- buf.readFloatLE(-1);
-}, RangeError);
-
-assert.throws(function() {
- var buf = Buffer.allocUnsafe(8);
- buf.writeFloatLE(0.0, -1);
-}, RangeError);
-
-assert.throws(function() {
- var buf = Buffer.allocUnsafe(8);
- buf.readFloatLE(-1);
-}, RangeError);
-
-assert.throws(function() {
- var buf = Buffer.allocUnsafe(8);
- buf.writeFloatLE(0.0, -1);
-}, RangeError);
-
-// offset checks
-{
- var buf = Buffer.allocUnsafe(0);
-
- assert.throws(function() { buf.readUInt8(0); }, RangeError);
- assert.throws(function() { buf.readInt8(0); }, RangeError);
-}
-
-{
- var buf = Buffer.from([0xFF]);
-
- assert.equal(buf.readUInt8(0), 255);
- assert.equal(buf.readInt8(0), -1);
-}
-
-[16, 32].forEach(function(bits) {
- var buf = Buffer.allocUnsafe(bits / 8 - 1);
-
- assert.throws(function() { buf['readUInt' + bits + 'BE'](0); },
- RangeError,
- 'readUInt' + bits + 'BE');
-
- assert.throws(function() { buf['readUInt' + bits + 'LE'](0); },
- RangeError,
- 'readUInt' + bits + 'LE');
-
- assert.throws(function() { buf['readInt' + bits + 'BE'](0); },
- RangeError,
- 'readInt' + bits + 'BE()');
-
- assert.throws(function() { buf['readInt' + bits + 'LE'](0); },
- RangeError,
- 'readInt' + bits + 'LE()');
-});
-
-[16, 32].forEach(function(bits) {
- var buf = Buffer.from([0xFF, 0xFF, 0xFF, 0xFF]);
-
- assert.equal(buf['readUInt' + bits + 'BE'](0),
- (0xFFFFFFFF >>> (32 - bits)));
-
- assert.equal(buf['readUInt' + bits + 'LE'](0),
- (0xFFFFFFFF >>> (32 - bits)));
+assert.throws(() => Buffer.allocUnsafe(8).writeFloatLE(0.0, -1), RangeError);
+assert.throws(() => Buffer.allocUnsafe(8).writeFloatLE(0.0, -1), RangeError);
- assert.equal(buf['readInt' + bits + 'BE'](0),
- (0xFFFFFFFF >> (32 - bits)));
-
- assert.equal(buf['readInt' + bits + 'LE'](0),
- (0xFFFFFFFF >> (32 - bits)));
-});
-
-// test for common read(U)IntLE/BE
-{
- var buf = Buffer.from([0x01, 0x02, 0x03, 0x04, 0x05, 0x06]);
-
- assert.strictEqual(buf.readUIntLE(0, 1), 0x01);
- assert.strictEqual(buf.readUIntBE(0, 1), 0x01);
- assert.strictEqual(buf.readUIntLE(0, 3), 0x030201);
- assert.strictEqual(buf.readUIntBE(0, 3), 0x010203);
- assert.strictEqual(buf.readUIntLE(0, 5), 0x0504030201);
- assert.strictEqual(buf.readUIntBE(0, 5), 0x0102030405);
- assert.strictEqual(buf.readUIntLE(0, 6), 0x060504030201);
- assert.strictEqual(buf.readUIntBE(0, 6), 0x010203040506);
- assert.strictEqual(buf.readIntLE(0, 1), 0x01);
- assert.strictEqual(buf.readIntBE(0, 1), 0x01);
- assert.strictEqual(buf.readIntLE(0, 3), 0x030201);
- assert.strictEqual(buf.readIntBE(0, 3), 0x010203);
- assert.strictEqual(buf.readIntLE(0, 5), 0x0504030201);
- assert.strictEqual(buf.readIntBE(0, 5), 0x0102030405);
- assert.strictEqual(buf.readIntLE(0, 6), 0x060504030201);
- assert.strictEqual(buf.readIntBE(0, 6), 0x010203040506);
-}
// test for common write(U)IntLE/BE
{
var buf = Buffer.allocUnsafe(3);
buf.writeUIntLE(0x123456, 0, 3);
assert.deepStrictEqual(buf.toJSON().data, [0x56, 0x34, 0x12]);
- assert.equal(buf.readUIntLE(0, 3), 0x123456);
+ assert.strictEqual(buf.readUIntLE(0, 3), 0x123456);
- buf = Buffer.allocUnsafe(3);
+ buf.fill(0xFF);
buf.writeUIntBE(0x123456, 0, 3);
assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56]);
- assert.equal(buf.readUIntBE(0, 3), 0x123456);
+ assert.strictEqual(buf.readUIntBE(0, 3), 0x123456);
- buf = Buffer.allocUnsafe(3);
+ buf.fill(0xFF);
buf.writeIntLE(0x123456, 0, 3);
assert.deepStrictEqual(buf.toJSON().data, [0x56, 0x34, 0x12]);
- assert.equal(buf.readIntLE(0, 3), 0x123456);
+ assert.strictEqual(buf.readIntLE(0, 3), 0x123456);
- buf = Buffer.allocUnsafe(3);
+ buf.fill(0xFF);
buf.writeIntBE(0x123456, 0, 3);
assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56]);
- assert.equal(buf.readIntBE(0, 3), 0x123456);
+ assert.strictEqual(buf.readIntBE(0, 3), 0x123456);
- buf = Buffer.allocUnsafe(3);
+ buf.fill(0xFF);
buf.writeIntLE(-0x123456, 0, 3);
assert.deepStrictEqual(buf.toJSON().data, [0xaa, 0xcb, 0xed]);
- assert.equal(buf.readIntLE(0, 3), -0x123456);
+ assert.strictEqual(buf.readIntLE(0, 3), -0x123456);
- buf = Buffer.allocUnsafe(3);
+ buf.fill(0xFF);
buf.writeIntBE(-0x123456, 0, 3);
assert.deepStrictEqual(buf.toJSON().data, [0xed, 0xcb, 0xaa]);
- assert.equal(buf.readIntBE(0, 3), -0x123456);
+ assert.strictEqual(buf.readIntBE(0, 3), -0x123456);
- buf = Buffer.allocUnsafe(3);
+ buf.fill(0xFF);
buf.writeIntLE(-0x123400, 0, 3);
assert.deepStrictEqual(buf.toJSON().data, [0x00, 0xcc, 0xed]);
- assert.equal(buf.readIntLE(0, 3), -0x123400);
+ assert.strictEqual(buf.readIntLE(0, 3), -0x123400);
- buf = Buffer.allocUnsafe(3);
+ buf.fill(0xFF);
buf.writeIntBE(-0x123400, 0, 3);
assert.deepStrictEqual(buf.toJSON().data, [0xed, 0xcc, 0x00]);
- assert.equal(buf.readIntBE(0, 3), -0x123400);
+ assert.strictEqual(buf.readIntBE(0, 3), -0x123400);
- buf = Buffer.allocUnsafe(3);
+ buf.fill(0xFF);
buf.writeIntLE(-0x120000, 0, 3);
assert.deepStrictEqual(buf.toJSON().data, [0x00, 0x00, 0xee]);
- assert.equal(buf.readIntLE(0, 3), -0x120000);
+ assert.strictEqual(buf.readIntLE(0, 3), -0x120000);
- buf = Buffer.allocUnsafe(3);
+ buf.fill(0xFF);
buf.writeIntBE(-0x120000, 0, 3);
assert.deepStrictEqual(buf.toJSON().data, [0xee, 0x00, 0x00]);
- assert.equal(buf.readIntBE(0, 3), -0x120000);
+ assert.strictEqual(buf.readIntBE(0, 3), -0x120000);
buf = Buffer.allocUnsafe(5);
buf.writeUIntLE(0x1234567890, 0, 5);
assert.deepStrictEqual(buf.toJSON().data, [0x90, 0x78, 0x56, 0x34, 0x12]);
- assert.equal(buf.readUIntLE(0, 5), 0x1234567890);
+ assert.strictEqual(buf.readUIntLE(0, 5), 0x1234567890);
- buf = Buffer.allocUnsafe(5);
+ buf.fill(0xFF);
buf.writeUIntBE(0x1234567890, 0, 5);
assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56, 0x78, 0x90]);
- assert.equal(buf.readUIntBE(0, 5), 0x1234567890);
+ assert.strictEqual(buf.readUIntBE(0, 5), 0x1234567890);
- buf = Buffer.allocUnsafe(5);
+ buf.fill(0xFF);
buf.writeIntLE(0x1234567890, 0, 5);
assert.deepStrictEqual(buf.toJSON().data, [0x90, 0x78, 0x56, 0x34, 0x12]);
- assert.equal(buf.readIntLE(0, 5), 0x1234567890);
+ assert.strictEqual(buf.readIntLE(0, 5), 0x1234567890);
- buf = Buffer.allocUnsafe(5);
+ buf.fill(0xFF);
buf.writeIntBE(0x1234567890, 0, 5);
assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56, 0x78, 0x90]);
- assert.equal(buf.readIntBE(0, 5), 0x1234567890);
+ assert.strictEqual(buf.readIntBE(0, 5), 0x1234567890);
- buf = Buffer.allocUnsafe(5);
+ buf.fill(0xFF);
buf.writeIntLE(-0x1234567890, 0, 5);
assert.deepStrictEqual(buf.toJSON().data, [0x70, 0x87, 0xa9, 0xcb, 0xed]);
- assert.equal(buf.readIntLE(0, 5), -0x1234567890);
+ assert.strictEqual(buf.readIntLE(0, 5), -0x1234567890);
- buf = Buffer.allocUnsafe(5);
+ buf.fill(0xFF);
buf.writeIntBE(-0x1234567890, 0, 5);
assert.deepStrictEqual(buf.toJSON().data, [0xed, 0xcb, 0xa9, 0x87, 0x70]);
- assert.equal(buf.readIntBE(0, 5), -0x1234567890);
+ assert.strictEqual(buf.readIntBE(0, 5), -0x1234567890);
- buf = Buffer.allocUnsafe(5);
+ buf.fill(0xFF);
buf.writeIntLE(-0x0012000000, 0, 5);
assert.deepStrictEqual(buf.toJSON().data, [0x00, 0x00, 0x00, 0xee, 0xff]);
- assert.equal(buf.readIntLE(0, 5), -0x0012000000);
+ assert.strictEqual(buf.readIntLE(0, 5), -0x0012000000);
- buf = Buffer.allocUnsafe(5);
+ buf.fill(0xFF);
buf.writeIntBE(-0x0012000000, 0, 5);
assert.deepStrictEqual(buf.toJSON().data, [0xff, 0xee, 0x00, 0x00, 0x00]);
- assert.equal(buf.readIntBE(0, 5), -0x0012000000);
+ assert.strictEqual(buf.readIntBE(0, 5), -0x0012000000);
}
-
-// test Buffer slice
-{
- var buf = Buffer.from('0123456789');
- assert.equal(buf.slice(-10, 10), '0123456789');
- assert.equal(buf.slice(-20, 10), '0123456789');
- assert.equal(buf.slice(-20, -10), '');
- assert.equal(buf.slice(), '0123456789');
- assert.equal(buf.slice(0), '0123456789');
- assert.equal(buf.slice(0, 0), '');
- assert.equal(buf.slice(undefined), '0123456789');
- assert.equal(buf.slice('foobar'), '0123456789');
- assert.equal(buf.slice(undefined, undefined), '0123456789');
-
- assert.equal(buf.slice(2), '23456789');
- assert.equal(buf.slice(5), '56789');
- assert.equal(buf.slice(10), '');
- assert.equal(buf.slice(5, 8), '567');
- assert.equal(buf.slice(8, -1), '8');
- assert.equal(buf.slice(-10), '0123456789');
- assert.equal(buf.slice(0, -9), '0');
- assert.equal(buf.slice(0, -10), '');
- assert.equal(buf.slice(0, -1), '012345678');
- assert.equal(buf.slice(2, -2), '234567');
- assert.equal(buf.slice(0, 65536), '0123456789');
- assert.equal(buf.slice(65536, 0), '');
- assert.equal(buf.slice(-5, -8), '');
- assert.equal(buf.slice(-5, -3), '56');
- assert.equal(buf.slice(-10, 10), '0123456789');
- for (var i = 0, s = buf.toString(); i < buf.length; ++i) {
- assert.equal(buf.slice(i), s.slice(i));
- assert.equal(buf.slice(0, i), s.slice(0, i));
- assert.equal(buf.slice(-i), s.slice(-i));
- assert.equal(buf.slice(0, -i), s.slice(0, -i));
+/*
+// Regression test for https://github.com/nodejs/node-v0.x-archive/issues/5482:
+// should throw but not assert in C++ land.
+common.expectsError(
+ () => Buffer.from('', 'buffer'),
+ {
+ code: 'ERR_UNKNOWN_ENCODING',
+ type: TypeError,
+ message: 'Unknown encoding: buffer'
}
-
- var utf16Buf = Buffer.from('0123456789', 'utf16le');
- // assert.deepStrictEqual(utf16Buf.slice(0, 6), Buffer.from('012', 'utf16le'));
-
- assert.equal(buf.slice('0', '1'), '0');
- assert.equal(buf.slice('-5', '10'), '56789');
- assert.equal(buf.slice('-10', '10'), '0123456789');
- assert.equal(buf.slice('-10', '-5'), '01234');
- assert.equal(buf.slice('-10', '-0'), '');
- assert.equal(buf.slice('111'), '');
- assert.equal(buf.slice('0', '-111'), '');
-
- // try to slice a zero length Buffer
- // see https://github.com/joyent/node/issues/5881
- Buffer.alloc(0).slice(0, 1);
-}
-
-// Regression test for #5482: should throw but not assert in C++ land.
-assert.throws(function() {
- Buffer.from('', 'buffer');
-}, TypeError);
-
-// Regression test for #6111. Constructing a buffer from another buffer
-// should a) work, and b) not corrupt the source buffer.
+);
+*/
+// Regression test for https://github.com/nodejs/node-v0.x-archive/issues/6111.
+// Constructing a buffer from another buffer should a) work, and b) not corrupt
+// the source buffer.
{
- var a = [0];
- for (var i = 0; i < 7; ++i) a = a.concat(a);
- a = a.map(function(_, i) { return i; });
+ var a = [...Array(128).keys()]; // [0, 1, 2, 3, ... 126, 127]
var b = Buffer.from(a);
var c = Buffer.from(b);
assert.strictEqual(b.length, a.length);
assert.strictEqual(c[i], i);
}
}
-
-
-assert.throws(function() {
- Buffer.allocUnsafe((-1 >>> 0) + 1);
-}, RangeError);
-
-assert.throws(function() {
- Buffer.allocUnsafeSlow((-1 >>> 0) + 1);
-}, RangeError);
-
-if (common.hasCrypto) {
+/*
+if (common.hasCrypto) { // eslint-disable-line crypto-check
// Test truncation after decode
var crypto = require('crypto');
var b1 = Buffer.from('YW55=======', 'base64');
var b2 = Buffer.from('YW55', 'base64');
- assert.equal(
+ assert.strictEqual(
crypto.createHash('sha1').update(b1).digest('hex'),
crypto.createHash('sha1').update(b2).digest('hex')
);
} else {
- common.skip('missing crypto');
-}
-
-// Test Compare
-{
- var b = Buffer.alloc(1, 'a');
- var c = Buffer.alloc(1, 'c');
- var d = Buffer.alloc(2, 'aa');
-
- assert.equal(b.compare(c), -1);
- assert.equal(c.compare(d), 1);
- assert.equal(d.compare(b), 1);
- assert.equal(b.compare(d), -1);
- assert.equal(b.compare(b), 0);
-
- assert.equal(Buffer.compare(b, c), -1);
- assert.equal(Buffer.compare(c, d), 1);
- assert.equal(Buffer.compare(d, b), 1);
- assert.equal(Buffer.compare(b, d), -1);
- assert.equal(Buffer.compare(c, c), 0);
-
- assert.equal(Buffer.compare(Buffer.alloc(0), Buffer.alloc(0)), 0);
- assert.equal(Buffer.compare(Buffer.alloc(0), Buffer.alloc(1)), -1);
- assert.equal(Buffer.compare(Buffer.alloc(1), Buffer.alloc(0)), 1);
+ common.printSkipMessage('missing crypto');
}
-assert.throws(function() {
- var b = Buffer.allocUnsafe(1);
- Buffer.compare(b, 'abc');
-});
-
-assert.throws(function() {
- var b = Buffer.allocUnsafe(1);
- Buffer.compare('abc', b);
-});
-
-assert.throws(function() {
- var b = Buffer.allocUnsafe(1);
- b.compare('abc');
-});
-
-// Test Equals
-{
- var b = Buffer.alloc(5, 'abcdf');
- var c = Buffer.alloc(5, 'abcdf');
- var d = Buffer.alloc(5, 'abcde');
- var e = Buffer.alloc(6, 'abcdef');
-
- assert.ok(b.equals(c));
- assert.ok(!c.equals(d));
- assert.ok(!d.equals(e));
- assert.ok(d.equals(d));
-}
-
-assert.throws(function() {
- var b = Buffer.allocUnsafe(1);
- b.equals('abc');
-});
-
-// Regression test for https://github.com/nodejs/node/issues/649.
-assert.throws(() => { Buffer.allocUnsafe(1422561062959).toString('utf8');});
-
var ps = Buffer.poolSize;
Buffer.poolSize = 0;
-assert.equal(Buffer.allocUnsafe(1).parent, undefined);
+assert(Buffer.allocUnsafe(1).parent instanceof ArrayBuffer);
Buffer.poolSize = ps;
// Test Buffer.copy() segfault
-assert.throws(function() {
- Buffer.allocUnsafe(10).copy();
-});
+assert.throws(() => Buffer.allocUnsafe(10).copy(),
+ /TypeError: argument should be a Buffer/);
-var regErrorMsg = new RegExp('First argument must be a string, Buffer, ' +
- 'ArrayBuffer, Array, or array-like object.');
+var regErrorMsg =
+ new RegExp('The first argument must be one of type string, Buffer, ' +
+ 'ArrayBuffer, Array, or Array-like Object\\.');
-assert.throws(function() {
- Buffer.from();
-}, regErrorMsg);
+assert.throws(() => Buffer.from(), regErrorMsg);
+assert.throws(() => Buffer.from(null), regErrorMsg);
+*/
+// Test prototype getters don't throw
+assert.strictEqual(Buffer.prototype.parent, undefined);
+assert.strictEqual(Buffer.prototype.offset, undefined);
+assert.strictEqual(SlowBuffer.prototype.parent, undefined);
+assert.strictEqual(SlowBuffer.prototype.offset, undefined);
-assert.throws(function() {
- Buffer.from(null);
-}, regErrorMsg);
+{
+ // Test that large negative Buffer length inputs don't affect the pool offset.
+ // Use the fromArrayLike() variant here because it's more lenient
+ // about its input and passes the length directly to allocate().
+ assert.deepStrictEqual(Buffer.from({ length: -Buffer.poolSize }),
+ Buffer.from(''));
+ assert.deepStrictEqual(Buffer.from({ length: -100 }),
+ Buffer.from(''));
+
+ // Check pool offset after that by trying to write string into the pool.
+ assert.doesNotThrow(() => Buffer.from('abc'));
+}
+/*
// Test that ParseArrayIndex handles full uint32
-assert.throws(function() {
- Buffer.from(new ArrayBuffer(0), -1 >>> 0);
-}, /RangeError: 'offset' is out of bounds/);
+{
+ var errMsg = common.expectsError({
+ code: 'ERR_BUFFER_OUT_OF_BOUNDS',
+ type: RangeError,
+ message: '"offset" is outside of buffer bounds'
+ });
+ assert.throws(() => Buffer.from(new ArrayBuffer(0), -1 >>> 0), errMsg);
+}
// ParseArrayIndex() should reject values that don't fit in a 32 bits size_t.
-assert.throws(() => {
- var a = Buffer(1).fill(0);
- var b = Buffer(1).fill(0);
+common.expectsError(() => {
+ var a = Buffer.alloc(1);
+ var b = Buffer.alloc(1);
a.copy(b, 0, 0x100000000, 0x100000001);
-}), /out of range index/;
-
+}, { code: undefined, type: RangeError, message: 'Index out of range' });
+*/
// Unpooled buffer (replaces SlowBuffer)
-var ubuf = Buffer.allocUnsafeSlow(10);
-assert(ubuf);
-assert(ubuf.buffer);
-assert.equal(ubuf.buffer.byteLength, 10);
+{
+ var ubuf = Buffer.allocUnsafeSlow(10);
+ assert(ubuf);
+ assert(ubuf.buffer);
+ assert.strictEqual(ubuf.buffer.byteLength, 10);
+}
// Regression test
-assert.doesNotThrow(() => {
- Buffer.from(new ArrayBuffer());
-});
+assert.doesNotThrow(() => Buffer.from(new ArrayBuffer()));
-assert.throws(() => Buffer.alloc(-Buffer.poolSize),
- '"size" argument must not be negative');
-assert.throws(() => Buffer.alloc(-100),
- '"size" argument must not be negative');
-assert.throws(() => Buffer.allocUnsafe(-Buffer.poolSize),
- '"size" argument must not be negative');
-assert.throws(() => Buffer.allocUnsafe(-100),
- '"size" argument must not be negative');
-assert.throws(() => Buffer.allocUnsafeSlow(-Buffer.poolSize),
- '"size" argument must not be negative');
-assert.throws(() => Buffer.allocUnsafeSlow(-100),
- '"size" argument must not be negative');
+// Test that ArrayBuffer from a different context is detected correctly
+var arrayBuf = vm.runInNewContext('new ArrayBuffer()');
+assert.doesNotThrow(() => Buffer.from(arrayBuf));
+/*
+assert.doesNotThrow(() => Buffer.from({ buffer: arrayBuf }));
assert.throws(() => Buffer.alloc({ valueOf: () => 1 }),
- /"size" argument must be a number/);
+ /"size" argument must be of type number/);
assert.throws(() => Buffer.alloc({ valueOf: () => -1 }),
- /"size" argument must be a number/);
+ /"size" argument must be of type number/);
+
+assert.strictEqual(Buffer.prototype.toLocaleString, Buffer.prototype.toString);
+{
+ var buf = Buffer.from('test');
+ assert.strictEqual(buf.toLocaleString(), buf.toString());
+}
+
+common.expectsError(() => {
+ Buffer.alloc(0x1000, 'This is not correctly encoded', 'hex');
+}, {
+ code: 'ERR_INVALID_ARG_VALUE',
+ type: TypeError
+});
+common.expectsError(() => {
+ Buffer.alloc(0x1000, 'c', 'hex');
+}, {
+ code: 'ERR_INVALID_ARG_VALUE',
+ type: TypeError
+});
+
+common.expectsError(() => {
+ Buffer.alloc(1, Buffer.alloc(0));
+}, {
+ code: 'ERR_INVALID_ARG_VALUE',
+ type: TypeError
+});
+*/
projects / buffer.git / commitdiff