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104 changes: 52 additions & 52 deletions test/parallel/test-buffer-alloc.js
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ const SlowBuffer = require('buffer').SlowBuffer;


const b = Buffer.allocUnsafe(1024);
assert.strictEqual(1024, b.length);
assert.strictEqual(b.length, 1024);

b[0] = -1;
assert.strictEqual(b[0], 255);
Expand All @@ -21,17 +21,17 @@ for (let i = 0; i < 1024; i++) {
}

const c = Buffer.allocUnsafe(512);
assert.strictEqual(512, c.length);
assert.strictEqual(c.length, 512);

const d = Buffer.from([]);
assert.strictEqual(0, d.length);
assert.strictEqual(d.length, 0);

// Test offset properties
{
const b = Buffer.alloc(128);
assert.strictEqual(128, b.length);
assert.strictEqual(0, b.byteOffset);
assert.strictEqual(0, b.offset);
assert.strictEqual(b.length, 128);
assert.strictEqual(b.byteOffset, 0);
assert.strictEqual(b.offset, 0);
}

// Test creating a Buffer from a Uint32Array
Expand Down Expand Up @@ -190,7 +190,7 @@ Buffer.alloc(1).write('', 1, 0);

{
const slice = b.slice(100, 150);
assert.strictEqual(50, slice.length);
assert.strictEqual(slice.length, 50);
for (let i = 0; i < 50; i++) {
assert.strictEqual(b[100 + i], slice[i]);
}
Expand Down Expand Up @@ -227,13 +227,13 @@ Buffer.alloc(1).write('', 1, 0);
const a = Buffer.allocUnsafe(8);
for (let i = 0; i < 8; i++) a[i] = i;
const b = a.slice(4, 8);
assert.strictEqual(4, b[0]);
assert.strictEqual(5, b[1]);
assert.strictEqual(6, b[2]);
assert.strictEqual(7, b[3]);
assert.strictEqual(b[0], 4);
assert.strictEqual(b[1], 5);
assert.strictEqual(b[2], 6);
assert.strictEqual(b[3], 7);
const c = b.slice(2, 4);
assert.strictEqual(6, c[0]);
assert.strictEqual(7, c[1]);
assert.strictEqual(c[0], 6);
assert.strictEqual(c[1], 7);
}

{
Expand Down Expand Up @@ -301,7 +301,7 @@ Buffer.alloc(1).write('', 1, 0);
//
// Test toString('base64')
//
assert.strictEqual('TWFu', (Buffer.from('Man')).toString('base64'));
assert.strictEqual((Buffer.from('Man')).toString('base64'), 'TWFu');

{
// test that regular and URL-safe base64 both work
Expand Down Expand Up @@ -501,7 +501,7 @@ assert.deepStrictEqual(Buffer.from(' YWJvcnVtLg', 'base64'),
const b = Buffer.from(s);

for (let i = 0; i < l; i++) {
assert.strictEqual('h'.charCodeAt(0), b[i]);
assert.strictEqual(b[i], 'h'.charCodeAt(0));
}

const sb = b.toString();
Expand Down Expand Up @@ -571,16 +571,16 @@ function buildBuffer(data) {

const x = buildBuffer([0x81, 0xa3, 0x66, 0x6f, 0x6f, 0xa3, 0x62, 0x61, 0x72]);

assert.strictEqual('<Buffer 81 a3 66 6f 6f a3 62 61 72>', x.inspect());
assert.strictEqual(x.inspect(), '<Buffer 81 a3 66 6f 6f a3 62 61 72>');

{
const z = x.slice(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]);
assert.strictEqual(z.length, 5);
assert.strictEqual(z[0], 0x6f);
assert.strictEqual(z[1], 0xa3);
assert.strictEqual(z[2], 0x62);
assert.strictEqual(z[3], 0x61);
assert.strictEqual(z[4], 0x72);
}

{
Expand All @@ -590,27 +590,27 @@ assert.strictEqual('<Buffer 81 a3 66 6f 6f a3 62 61 72>', x.inspect());

{
const z = x.slice(0, 4);
assert.strictEqual(4, z.length);
assert.strictEqual(0x81, z[0]);
assert.strictEqual(0xa3, z[1]);
assert.strictEqual(z.length, 4);
assert.strictEqual(z[0], 0x81);
assert.strictEqual(z[1], 0xa3);
}

{
const z = x.slice(0, 9);
assert.strictEqual(9, z.length);
assert.strictEqual(z.length, 9);
}

{
const z = x.slice(1, 4);
assert.strictEqual(3, z.length);
assert.strictEqual(0xa3, z[0]);
assert.strictEqual(z.length, 3);
assert.strictEqual(z[0], 0xa3);
}

{
const z = x.slice(2, 4);
assert.strictEqual(2, z.length);
assert.strictEqual(0x66, z[0]);
assert.strictEqual(0x6f, z[1]);
assert.strictEqual(z.length, 2);
assert.strictEqual(z[0], 0x66);
assert.strictEqual(z[1], 0x6f);
}

['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach((encoding) => {
Expand All @@ -630,33 +630,33 @@ assert.strictEqual('<Buffer 81 a3 66 6f 6f a3 62 61 72>', x.inspect());
const b = Buffer.from([0xde, 0xad, 0xbe, 0xef]);
let 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]);
assert.strictEqual(b[0], 0xff);
assert.strictEqual(b[1], 0xad);
assert.strictEqual(b[2], 0xbe);
assert.strictEqual(b[3], 0xef);
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]);
assert.strictEqual(b[0], 0xee);
assert.strictEqual(b[1], 0xad);
assert.strictEqual(b[2], 0xbe);
assert.strictEqual(b[3], 0xef);
}

{
// Binary encoding should write only one byte per character.
const b = Buffer.from([0xde, 0xad, 0xbe, 0xef]);
let 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]);
assert.strictEqual(b[0], 0xff);
assert.strictEqual(b[1], 0xad);
assert.strictEqual(b[2], 0xbe);
assert.strictEqual(b[3], 0xef);
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]);
assert.strictEqual(b[0], 0xee);
assert.strictEqual(b[1], 0xad);
assert.strictEqual(b[2], 0xbe);
assert.strictEqual(b[3], 0xef);
}

{
Expand Down Expand Up @@ -729,11 +729,11 @@ assert.strictEqual('<Buffer 81 a3 66 6f 6f a3 62 61 72>', x.inspect());
{
// test offset returns are correct
const b = Buffer.allocUnsafe(16);
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));
assert.strictEqual(b.writeUInt32LE(0, 0), 4);
assert.strictEqual(b.writeUInt16LE(0, 4), 6);
assert.strictEqual(b.writeUInt8(0, 6), 7);
assert.strictEqual(b.writeInt8(0, 7), 8);
assert.strictEqual(b.writeDoubleLE(0, 8), 16);
}

{
Expand Down