Revision 44469ff00fe3edcb1beee30726ea90bbc70201e6 authored by einaros on 03 December 2011, 13:39:44 UTC, committed by einaros on 03 December 2011, 13:39:44 UTC
1 parent 99855dd
BufferPool.test.js
var BufferPool = require('../lib/BufferPool');
require('should');
describe('BufferPool', function() {
describe('#ctor', function() {
it('allocates pool', function() {
var db = new BufferPool(1000);
db.size.should.eql(1000);
})
})
describe('#get', function() {
it('grows the pool if necessary', function() {
var db = new BufferPool(1000);
var buf = db.get(2000);
db.size.should.be.above(1000);
db.used.should.eql(2000);
buf.length.should.eql(2000);
})
it('grows the pool after the first call, if necessary', function() {
var db = new BufferPool(1000);
var buf = db.get(1000);
db.used.should.eql(1000);
db.size.should.eql(1000);
buf.length.should.eql(1000);
var buf2 = db.get(1000);
db.used.should.eql(2000);
db.size.should.be.above(1000);
buf2.length.should.eql(1000);
})
it('grows the pool according to the growStrategy if necessary', function() {
var db = new BufferPool(1000, function(db, length) {
return db.size + 2345;
});
var buf = db.get(2000);
db.size.should.eql(3345);
buf.length.should.eql(2000);
})
it('doesnt grow the pool if theres enough room available', function() {
var db = new BufferPool(1000);
var buf = db.get(1000);
db.size.should.eql(1000);
buf.length.should.eql(1000);
})
})
describe('#reset', function() {
it('shinks the pool', function() {
var db = new BufferPool(1000);
var buf = db.get(2000);
db.reset();
db.size.should.eql(1000);
})
it('shrinks the pool according to the shrinkStrategy', function() {
var db = new BufferPool(1000, function(db, length) {
return db.used + length;
}, function(db) {
return 0;
});
var buf = db.get(2000);
db.reset();
db.size.should.eql(0);
})
})
})
Computing file changes ...