aurelia-bootstrap/doc/jspm_packages/npm/buffer@3.6.0/test/methods.js

Bootstrap components written in Aurelia.

/* */ 
(function(process) {
  if (process.env.OBJECT_IMPL)
    global.TYPED_ARRAY_SUPPORT = false;
  var B = require('../index').Buffer;
  var test = require('tape');
  test('buffer.toJSON', function(t) {
    var data = [1, 2, 3, 4];
    t.deepEqual(new B(data).toJSON(), {
      type: 'Buffer',
      data: [1, 2, 3, 4]
    });
    t.end();
  });
  test('buffer.copy', function(t) {
    var buf1 = new B(26);
    var buf2 = new B(26);
    for (var i = 0; i < 26; i++) {
      buf1[i] = i + 97;
      buf2[i] = 33;
    }
    buf1.copy(buf2, 8, 16, 20);
    t.equal(buf2.toString('ascii', 0, 25), '!!!!!!!!qrst!!!!!!!!!!!!!');
    t.end();
  });
  test('test offset returns are correct', function(t) {
    var b = new B(16);
    t.equal(4, b.writeUInt32LE(0, 0));
    t.equal(6, b.writeUInt16LE(0, 4));
    t.equal(7, b.writeUInt8(0, 6));
    t.equal(8, b.writeInt8(0, 7));
    t.equal(16, b.writeDoubleLE(0, 8));
    t.end();
  });
  test('concat() a varying number of buffers', function(t) {
    var zero = [];
    var one = [new B('asdf')];
    var long = [];
    for (var i = 0; i < 10; i++) {
      long.push(new B('asdf'));
    }
    var flatZero = B.concat(zero);
    var flatOne = B.concat(one);
    var flatLong = B.concat(long);
    var flatLongLen = B.concat(long, 40);
    t.equal(flatZero.length, 0);
    t.equal(flatOne.toString(), 'asdf');
    t.deepEqual(flatOne, one[0]);
    t.equal(flatLong.toString(), (new Array(10 + 1).join('asdf')));
    t.equal(flatLongLen.toString(), (new Array(10 + 1).join('asdf')));
    t.end();
  });
  test('fill', function(t) {
    var b = new B(10);
    b.fill(2);
    t.equal(b.toString('hex'), '02020202020202020202');
    t.end();
  });
  test('fill (string)', function(t) {
    var b = new B(10);
    b.fill('abc');
    t.equal(b.toString(), 'abcabcabca');
    b.fill('է');
    t.equal(b.toString(), 'էէէէէ');
    t.end();
  });
  test('copy() empty buffer with sourceEnd=0', function(t) {
    var source = new B([42]);
    var destination = new B([43]);
    source.copy(destination, 0, 0, 0);
    t.equal(destination.readUInt8(0), 43);
    t.end();
  });
  test('copy() after slice()', function(t) {
    var source = new B(200);
    var dest = new B(200);
    var expected = new B(200);
    for (var i = 0; i < 200; i++) {
      source[i] = i;
      dest[i] = 0;
    }
    source.slice(2).copy(dest);
    source.copy(expected, 0, 2);
    t.deepEqual(dest, expected);
    t.end();
  });
  test('copy() ascending', function(t) {
    var b = new B('abcdefghij');
    b.copy(b, 0, 3, 10);
    t.equal(b.toString(), 'defghijhij');
    t.end();
  });
  test('copy() descending', function(t) {
    var b = new B('abcdefghij');
    b.copy(b, 3, 0, 7);
    t.equal(b.toString(), 'abcabcdefg');
    t.end();
  });
  test('buffer.slice sets indexes', function(t) {
    t.equal((new B('hallo')).slice(0, 5).toString(), 'hallo');
    t.end();
  });
  test('buffer.slice out of range', function(t) {
    t.plan(2);
    t.equal((new B('hallo')).slice(0, 10).toString(), 'hallo');
    t.equal((new B('hallo')).slice(10, 2).toString(), '');
    t.end();
  });
})(require('process'));