ref-deref.js
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var assert = require('assert')
var ref = require('../')
describe('ref(), deref()', function () {
beforeEach(gc)
it('should work 1 layer deep', function () {
var test = new Buffer('one layer deep')
var one = ref.ref(test)
var _test = ref.deref(one)
assert.equal(test.length, _test.length)
assert.equal(test.toString(), _test.toString())
})
it('should work 2 layers deep', function () {
var test = new Buffer('two layers deep')
var one = ref.ref(test)
var two = ref.ref(one)
var _one = ref.deref(two)
var _test = ref.deref(_one)
assert.equal(ref.address(one), ref.address(_one))
assert.equal(ref.address(test), ref.address(_test))
assert.equal(one.length, _one.length)
assert.equal(test.length, _test.length)
assert.equal(test.toString(), _test.toString())
})
it('should throw when derefing a Buffer with no "type"', function () {
var test = new Buffer('???')
assert.throws(function () {
ref.deref(test)
}, /unknown "type"/)
})
it('should throw when derefing a Buffer with no "type" 2', function () {
var test = new Buffer('???')
var r = ref.ref(test)
var _test = ref.deref(r)
assert.equal(ref.address(test), ref.address(_test))
assert.throws(function () {
ref.deref(_test)
}, /unknown "type"/)
})
it('should deref() a "char" type properly', function () {
var test = new Buffer(ref.sizeof.char)
test.type = ref.types.char
test[0] = 50
assert.equal(50, ref.deref(test))
test[0] = 127
assert.equal(127, ref.deref(test))
})
it('should not throw when calling ref()/deref() on a `void` type', function () {
var test = ref.alloc(ref.types.void)
assert.strictEqual(null, test.deref())
})
})