mirror of
https://github.com/nodejs/node.git
synced 2024-12-01 16:10:02 +01:00
78581c8d90
Add Buffer#indexOf(). Support strings, numbers and other Buffers. Also included docs and tests. Special thanks to Sam Rijs <srijs@airpost.net> for first proposing this change. PR-URL: https://github.com/iojs/io.js/pull/561 Reviewed-by: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Brian White <mscdex@mscdex.net> Reviewed-By: Chris Dickinson <christopher.s.dickinson@gmail.com>
76 lines
2.5 KiB
JavaScript
76 lines
2.5 KiB
JavaScript
var common = require('../common');
|
|
var assert = require('assert');
|
|
|
|
var Buffer = require('buffer').Buffer;
|
|
|
|
var b = new Buffer('abcdef');
|
|
var buf_a = new Buffer('a');
|
|
var buf_bc = new Buffer('bc');
|
|
var buf_f = new Buffer('f');
|
|
var buf_z = new Buffer('z');
|
|
var buf_empty = new Buffer('');
|
|
|
|
assert.equal(b.indexOf('a'), 0);
|
|
assert.equal(b.indexOf('a', 1), -1);
|
|
assert.equal(b.indexOf('a', -1), -1);
|
|
assert.equal(b.indexOf('a', -4), -1);
|
|
assert.equal(b.indexOf('a', -b.length), 0);
|
|
assert.equal(b.indexOf('a', NaN), 0);
|
|
assert.equal(b.indexOf('a', -Infinity), 0);
|
|
assert.equal(b.indexOf('a', Infinity), -1);
|
|
assert.equal(b.indexOf('bc'), 1);
|
|
assert.equal(b.indexOf('bc', 2), -1);
|
|
assert.equal(b.indexOf('bc', -1), -1);
|
|
assert.equal(b.indexOf('bc', -3), -1);
|
|
assert.equal(b.indexOf('bc', -5), 1);
|
|
assert.equal(b.indexOf('bc', NaN), 1);
|
|
assert.equal(b.indexOf('bc', -Infinity), 1);
|
|
assert.equal(b.indexOf('bc', Infinity), -1);
|
|
assert.equal(b.indexOf('f'), b.length - 1);
|
|
assert.equal(b.indexOf('z'), -1);
|
|
assert.equal(b.indexOf(''), -1);
|
|
assert.equal(b.indexOf('', 1), -1);
|
|
assert.equal(b.indexOf('', b.length + 1), -1);
|
|
assert.equal(b.indexOf('', Infinity), -1);
|
|
assert.equal(b.indexOf(buf_a), 0);
|
|
assert.equal(b.indexOf(buf_a, 1), -1);
|
|
assert.equal(b.indexOf(buf_a, -1), -1);
|
|
assert.equal(b.indexOf(buf_a, -4), -1);
|
|
assert.equal(b.indexOf(buf_a, -b.length), 0);
|
|
assert.equal(b.indexOf(buf_a, NaN), 0);
|
|
assert.equal(b.indexOf(buf_a, -Infinity), 0);
|
|
assert.equal(b.indexOf(buf_a, Infinity), -1);
|
|
assert.equal(b.indexOf(buf_bc), 1);
|
|
assert.equal(b.indexOf(buf_bc, 2), -1);
|
|
assert.equal(b.indexOf(buf_bc, -1), -1);
|
|
assert.equal(b.indexOf(buf_bc, -3), -1);
|
|
assert.equal(b.indexOf(buf_bc, -5), 1);
|
|
assert.equal(b.indexOf(buf_bc, NaN), 1);
|
|
assert.equal(b.indexOf(buf_bc, -Infinity), 1);
|
|
assert.equal(b.indexOf(buf_bc, Infinity), -1);
|
|
assert.equal(b.indexOf(buf_f), b.length - 1);
|
|
assert.equal(b.indexOf(buf_z), -1);
|
|
assert.equal(b.indexOf(buf_empty), -1);
|
|
assert.equal(b.indexOf(buf_empty, 1), -1);
|
|
assert.equal(b.indexOf(buf_empty, b.length + 1), -1);
|
|
assert.equal(b.indexOf(buf_empty, Infinity), -1);
|
|
assert.equal(b.indexOf(0x61), 0);
|
|
assert.equal(b.indexOf(0x61, 1), -1);
|
|
assert.equal(b.indexOf(0x61, -1), -1);
|
|
assert.equal(b.indexOf(0x61, -4), -1);
|
|
assert.equal(b.indexOf(0x61, -b.length), 0);
|
|
assert.equal(b.indexOf(0x61, NaN), 0);
|
|
assert.equal(b.indexOf(0x61, -Infinity), 0);
|
|
assert.equal(b.indexOf(0x61, Infinity), -1);
|
|
assert.equal(b.indexOf(0x0), -1);
|
|
|
|
assert.throws(function() {
|
|
b.indexOf(function() { });
|
|
});
|
|
assert.throws(function() {
|
|
b.indexOf({});
|
|
});
|
|
assert.throws(function() {
|
|
b.indexOf([]);
|
|
});
|