mirror of
https://github.com/nodejs/node.git
synced 2024-12-01 16:10:02 +01:00
bb29405904
PR-URL: https://github.com/nodejs/node/pull/14162 Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com> Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: Timothy Gu <timothygu99@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
101 lines
4.9 KiB
JavaScript
101 lines
4.9 KiB
JavaScript
'use strict';
|
|
|
|
const common = require('../common');
|
|
const assert = require('assert');
|
|
|
|
const rangeBuffer = Buffer.from('abc');
|
|
|
|
// if start >= buffer's length, empty string will be returned
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 3), '');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', +Infinity), '');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 3.14, 3), '');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 'Infinity', 3), '');
|
|
|
|
// if end <= 0, empty string will be returned
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 1, 0), '');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 1, -1.2), '');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 1, -100), '');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 1, -Infinity), '');
|
|
|
|
// if start < 0, start will be taken as zero
|
|
assert.strictEqual(rangeBuffer.toString('ascii', -1, 3), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', -1.99, 3), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', -Infinity, 3), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', '-1', 3), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', '-1.99', 3), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', '-Infinity', 3), 'abc');
|
|
|
|
// if start is an invalid integer, start will be taken as zero
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 'node.js', 3), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', {}, 3), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', [], 3), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', NaN, 3), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', null, 3), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', undefined, 3), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', false, 3), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', '', 3), 'abc');
|
|
|
|
// but, if start is an integer when coerced, then it will be coerced and used.
|
|
assert.strictEqual(rangeBuffer.toString('ascii', '-1', 3), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', '1', 3), 'bc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', '-Infinity', 3), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', '3', 3), '');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', Number(3), 3), '');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', '3.14', 3), '');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', '1.99', 3), 'bc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', '-1.99', 3), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 1.99, 3), 'bc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', true, 3), 'bc');
|
|
|
|
// if end > buffer's length, end will be taken as buffer's length
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, 5), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, 6.99), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, Infinity), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, '5'), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, '6.99'), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, 'Infinity'), 'abc');
|
|
|
|
// if end is an invalid integer, end will be taken as buffer's length
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, 'node.js'), '');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, {}), '');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, NaN), '');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, undefined), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, null), '');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, []), '');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, false), '');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, ''), '');
|
|
|
|
// but, if end is an integer when coerced, then it will be coerced and used.
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, '-1'), '');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, '1'), 'a');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, '-Infinity'), '');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, '3'), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, Number(3)), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, '3.14'), 'abc');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, '1.99'), 'a');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, '-1.99'), '');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, 1.99), 'a');
|
|
assert.strictEqual(rangeBuffer.toString('ascii', 0, true), 'a');
|
|
|
|
// try toString() with a object as a encoding
|
|
assert.strictEqual(rangeBuffer.toString({ toString: function() {
|
|
return 'ascii';
|
|
} }), 'abc');
|
|
|
|
// try toString() with 0 and null as the encoding
|
|
assert.throws(() => {
|
|
rangeBuffer.toString(0, 1, 2);
|
|
}, common.expectsError({
|
|
code: 'ERR_UNKNOWN_ENCODING',
|
|
type: TypeError,
|
|
message: 'Unknown encoding: 0'
|
|
}));
|
|
assert.throws(() => {
|
|
rangeBuffer.toString(null, 1, 2);
|
|
}, common.expectsError({
|
|
code: 'ERR_UNKNOWN_ENCODING',
|
|
type: TypeError,
|
|
message: 'Unknown encoding: null'
|
|
}));
|