/
test-bitbuffer.js
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test-bitbuffer.js
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/*
* Copyright 2011 Rackspace
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
var bif = require('bitbuffer').BitBuffer;
exports['test_bitbuffer_setbit'] = function(test, assert) {
var buf = new bif(24);
assert.deepEqual(buf.buf[2], 0);
assert.deepEqual(buf.buf[1], 0);
assert.deepEqual(buf.buf[0], 0);
buf.setBit(1);
buf.setBit(0);
buf.setBit(23);
assert.deepEqual(buf.buf[2], 3);
assert.deepEqual(buf.buf[1], 0);
assert.deepEqual(buf.buf[0], 0x80);
test.finish();
};
exports['test_bitbuffer_not'] = function(test, assert) {
var buf = new bif(24);
buf.setBit(1);
buf.setBit(0);
buf.setBit(23);
buf.not();
assert.deepEqual(buf.buf[2], 0xfc);
assert.deepEqual(buf.buf[1], 0xff);
assert.deepEqual(buf.buf[0], 0x7f);
test.finish();
};
exports['test_bitbuffer_and'] = function(test, assert) {
var buf = new bif(24);
var buf2 = new bif(24);
buf.setBit(1);
buf.setBit(0);
buf.setBit(23);
buf2.setBit(1);
buf2.setBit(0);
buf2.setBit(22);
buf2.setBit(23);
buf2.and(buf);
assert.deepEqual(buf.buf[2], 3);
assert.deepEqual(buf.buf[1], 0);
assert.deepEqual(buf.buf[0], 0x80);
test.finish();
};
exports['test_bitbuffer_cmp'] = function(test, assert) {
var buf = new bif(24);
var buf2 = new bif(24);
buf.setBit(1);
buf.setBit(0);
buf.setBit(23);
buf2.setBit(1);
buf2.setBit(0);
buf2.setBit(23);
assert.deepEqual(buf.cmp(buf2), true);
buf2.setBit(22);
assert.deepEqual(buf.cmp(buf2), false);
test.finish();
};
exports['test_bitbuffer_constructor'] = function(test, assert) {
var buf, buf2, str = '192.192.192.192';
buf = new Buffer(str.split('.'));
buf2 = new bif(buf);
assert.deepEqual(buf[0], buf2.buf[0]);
assert.deepEqual(buf[1], buf2.buf[1]);
assert.deepEqual(buf[2], buf2.buf[2]);
assert.deepEqual(buf[3], buf2.buf[3]);
test.finish();
};