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