thedesk/app/node_modules/binary/test/parse.js
2018-02-18 16:29:06 +09:00

55 lines
1.2 KiB
JavaScript

var binary = require('../');
var test = require('tap').test;
test('parse', function (t) {
t.plan(6);
var res = binary.parse(new Buffer([ 97, 98, 99, 99, 99, 99, 1, 2, 3 ]))
.word8('a')
.word16be('bc')
.skip(3)
.buffer('def', 3)
.tap(function (vars) {
t.equal(vars.a, 97);
t.equal(vars.bc, 25187);
t.same(
[].slice.call(vars.def),
[].slice.call(new Buffer([ 1, 2, 3]))
);
})
.vars
;
t.equal(res.a, 97);
t.equal(res.bc, 25187);
t.same(
[].slice.call(res.def),
[].slice.call(new Buffer([ 1, 2, 3 ]))
);
});
test('loop', function (t) {
t.plan(2);
var res = binary.parse(new Buffer([ 97, 98, 99, 4, 5, 2, -3, 9 ]))
.word8('a')
.word16be('bc')
.loop(function (end) {
var x = this.word8s('x').vars.x;
if (x < 0) end();
})
.tap(function (vars) {
t.same(vars, {
a : 97,
bc : 25187,
x : -3,
});
})
.word8('y')
.vars
;
t.same(res, {
a : 97,
bc : 25187,
x : -3,
y : 9,
});
});