var TEST_DATABASE_NAME = '__test'; var DEFAULT_TIMEOUT = 5000; var test_database_names = []; window.onbeforeunload = function() { test_database_names.forEach(function(name) { indexedDB.deleteDatabase(name); }); }; function mk_id(length) { var text = ''; var tokens = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'; for( var i=0; i < length; i++ ) text += tokens.charAt(Math.floor(Math.random() * tokens.length)); return text; }; function mk_db_name() { var name = TEST_DATABASE_NAME + mk_id(5) + Date.now(); test_database_names.push(name); return name; }; function typed_array_equal(left, right) { if(left.length !== right.length) { return false; } for(var i = 0; i < left.length; ++ i) { if(left[i] !== right[i]) { return false; } } return true; }; describe("IDBFS", function() { it("is defined", function() { expect(typeof IDBFS).not.toEqual(undefined); }); it("has FileSystem constructor", function() { expect(typeof IDBFS.FileSystem).toEqual('function'); }); }); describe("fs", function() { beforeEach(function() { this.db_name = mk_db_name(); this.fs = new IDBFS.FileSystem(this.db_name, 'FORMAT'); }); afterEach(function() { indexedDB.deleteDatabase(this.db_name); delete this.fs; }); it("is an object", function() { expect(typeof this.fs).toEqual('object'); }); it('should have a root directory', function() { var complete = false; var _result; this.fs.stat('/', function(error, result) { _result = result; complete = true; }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_result).toBeDefined(); }); }); }); describe('fs.stat', function() { beforeEach(function() { this.db_name = mk_db_name(); this.fs = new IDBFS.FileSystem(this.db_name, 'FORMAT'); }); afterEach(function() { indexedDB.deleteDatabase(this.db_name); delete this.fs; }); it('should be a function', function() { expect(typeof this.fs.stat).toEqual('function'); }); it('should return an error if path does not exist', function() { var complete = false; var _error, _result; this.fs.stat('/tmp', function(error, result) { _error = error; _result = result; complete = true; }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).toBeDefined(); expect(_result).not.toBeDefined(); }); }); it('should return a stat object if path exists', function() { var complete = false; var _error, _result; var that = this; that.fs.stat('/', function(error, result) { _error = error; _result = result; complete = true; }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_result).toBeDefined(); expect(_error).not.toBeDefined(); expect(_result['node']).toBeDefined(); expect(_result['dev']).toEqual(that.db_name); expect(_result['size']).toBeDefined(); expect(_result['nlinks']).toEqual(jasmine.any(Number)); expect(_result['atime']).toEqual(jasmine.any(Number)); expect(_result['mtime']).toEqual(jasmine.any(Number)); expect(_result['ctime']).toEqual(jasmine.any(Number)); expect(_result['type']).toBeDefined(); }); }); }); describe('fs.fstat', function() { beforeEach(function() { this.db_name = mk_db_name(); this.fs = new IDBFS.FileSystem(this.db_name, 'FORMAT'); }); afterEach(function() { indexedDB.deleteDatabase(this.db_name); delete this.fs; }); it('should be a function', function() { expect(typeof this.fs.fstat).toEqual('function'); }); it('should return a stat object for a valid descriptor', function() { var complete = false; var _error, _result; var that = this; that.fs.open('/myfile', 'w+', function(error, result) { if(error) throw error; var fd = result; that.fs.fstat(fd, function(error, result) { _error = error; _result = result; complete = true; }) }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_result).toBeDefined(); expect(_error).not.toBeDefined(); expect(_result['node']).toBeDefined(); expect(_result['dev']).toEqual(that.db_name); expect(_result['size']).toBeDefined(); expect(_result['nlinks']).toEqual(jasmine.any(Number)); expect(_result['atime']).toEqual(jasmine.any(Number)); expect(_result['mtime']).toEqual(jasmine.any(Number)); expect(_result['ctime']).toEqual(jasmine.any(Number)); expect(_result['type']).toBeDefined(); }); }); }); describe('fs.mkdir', function() { beforeEach(function() { this.db_name = mk_db_name(); this.fs = new IDBFS.FileSystem(this.db_name, 'FORMAT'); }); afterEach(function() { indexedDB.deleteDatabase(this.db_name); delete this.fs; }); it('should be a function', function() { expect(typeof this.fs.mkdir).toEqual('function'); }); it('should return an error if part of the parent path does not exist', function() { var complete = false; var _error; var that = this; that.fs.mkdir('/tmp/mydir', function(error) { _error = error; complete = true; }); waitsFor(function() { return complete; }, 'stat to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).toBeDefined(); }); }); it('should return an error if the path already exists', function() { var complete = false; var _error; var that = this; that.fs.mkdir('/', function(error) { _error = error; complete = true; }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).toBeDefined(); }); }); it('should make a new directory', function() { var complete = false; var _error, _result, _stat; var that = this; that.fs.mkdir('/tmp', function(error, result) { _error = error; _result = result; that.fs.stat('/tmp', function(error, result) { _stat = result; complete = true; }); }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).not.toBeDefined(); expect(_result).not.toBeDefined(); expect(_stat).toBeDefined(); }); }); }); describe('fs.readdir', function() { beforeEach(function() { this.db_name = mk_db_name(); this.fs = new IDBFS.FileSystem(this.db_name, 'FORMAT'); }); afterEach(function() { indexedDB.deleteDatabase(this.db_name); delete this.fs; }); it('should be a function', function() { expect(typeof this.fs.readdir).toEqual('function'); }); it('should return an error if the path does not exist', function() { var complete = false; var _error; var that = this; that.fs.readdir('/tmp/mydir', function(error) { _error = error; complete = true; }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).toBeDefined(); }); }); it('should return a list of files from an existing directory', function() { var complete = false; var _error, _files; var that = this; that.fs.mkdir('/tmp', function(error) { that.fs.readdir('/', function(error, result) { _error = error; _files = result; complete = true; }); }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).not.toBeDefined(); expect(_files.length).toEqual(1); expect(_files[0]).toEqual('tmp'); }); }); }); describe('fs.rmdir', function() { beforeEach(function() { this.db_name = mk_db_name(); this.fs = new IDBFS.FileSystem(this.db_name, 'FORMAT'); }); afterEach(function() { indexedDB.deleteDatabase(this.db_name); delete this.fs; }); it('should be a function', function() { expect(typeof this.fs.rmdir).toEqual('function'); }); it('should return an error if the path does not exist', function() { var complete = false; var _error; var that = this; that.fs.rmdir('/tmp/mydir', function(error) { _error = error; complete = true; }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).toBeDefined(); }); }); it('should return an error if attempting to remove the root directory', function() { var complete = false; var _error; var that = this; that.fs.rmdir('/', function(error) { _error = error; complete = true; }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).toBeDefined(); }); }); it('should return an error if the directory is not empty', function() { var complete = false; var _error; var that = this; that.fs.mkdir('/tmp', function(error) { that.fs.mkdir('/tmp/mydir', function(error) { that.fs.rmdir('/', function(error) { _error = error; complete = true; }); }); }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).toBeDefined(); }); }); it('should remove an existing directory', function() { var complete = false; var _error, _stat; var that = this; that.fs.mkdir('/tmp', function(error) { that.fs.rmdir('/tmp', function(error) { _error = error; that.fs.stat('/tmp', function(error, result) { _stat = result; complete = true; }); }); }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).not.toBeDefined(); expect(_stat).not.toBeDefined(); }); }); }); describe('fs.open', function() { beforeEach(function() { this.db_name = mk_db_name(); this.fs = new IDBFS.FileSystem(this.db_name, 'FORMAT'); }); afterEach(function() { indexedDB.deleteDatabase(this.db_name); delete this.fs; }); it('should be a function', function() { expect(typeof this.fs.open).toEqual('function'); }); it('should return an error if the parent path does not exist', function() { var complete = false; var _error, _result; var that = this; that.fs.open('/tmp/myfile', 'w+', function(error, result) { _error = error; _result = result; complete = true; }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).toBeDefined(); expect(_result).not.toBeDefined(); }); }); it('should return an error when flagged for read and the path does not exist', function() { var complete = false; var _error, _result; var that = this; that.fs.open('/myfile', 'r+', function(error, result) { _error = error; _result = result; complete = true; }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).toBeDefined(); expect(_result).not.toBeDefined(); }); }); it('should return an error when flagged for write and the path is a directory', function() { var complete = false; var _error, _result; var that = this; that.fs.mkdir('/tmp', function(error) { if(error) throw error; that.fs.open('/tmp', 'w', function(error, result) { _error = error; _result = result; complete = true; }); }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).toBeDefined(); expect(_result).not.toBeDefined(); }); }); it('should return an error when flagged for append and the path is a directory', function() { var complete = false; var _error, _result; var that = this; that.fs.mkdir('/tmp', function(error) { if(error) throw error; that.fs.open('/tmp', 'a', function(error, result) { _error = error; _result = result; complete = true; }); }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).toBeDefined(); expect(_result).not.toBeDefined(); }); }); it('should return a unique file descriptor', function() { var complete1 = false; var complete2 = false; var _error, _result1, _result2; var that = this; that.fs.open('/file1', 'w+', function(error, fd) { if(error) throw error; _error = error; _result1 = fd; complete1 = true; }); that.fs.open('/file2', 'w+', function(error, fd) { if(error) throw error; _error = error; _result2 = fd; complete2 = true; }); waitsFor(function() { return complete1 && complete2; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).not.toBeDefined(); expect(_result1).toBeDefined(); expect(_result2).toBeDefined(); expect(_result1).not.toEqual(_result2); }); }); it('should create a new file when flagged for write', function() { var complete = false; var _error, _result; var that = this; that.fs.open('/myfile', 'w', function(error, result) { if(error) throw error; that.fs.stat('/myfile', function(error, result) { _error = error; _result = result; complete = true; }) }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).not.toBeDefined(); expect(_result).toBeDefined(); }); }); }); describe('fs.write', function() { beforeEach(function() { this.db_name = mk_db_name(); this.fs = new IDBFS.FileSystem(this.db_name, 'FORMAT'); }); afterEach(function() { indexedDB.deleteDatabase(this.db_name); delete this.fs; }); it('should be a function', function() { expect(typeof this.fs.write).toEqual('function'); }); it('should write data to a file', function() { var complete = false; var _error, _result, _stats; var that = this; var buffer = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]); that.fs.open('/myfile', 'w', function(error, result) { if(error) throw error; var fd = result; that.fs.write(fd, buffer, 0, buffer.length, 0, function(error, result) { _error = error; _result = result; that.fs.stat('/myfile', function(error, result) { if(error) throw error; _stats = result; complete = true; }); }) }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).not.toBeDefined(); expect(_result).toEqual(buffer.length); expect(_stats.size).toEqual(buffer.length); }); }); it('should update the current file position', function() { var complete = false; var _error, _result, _stats; var that = this; var buffer = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]); _result = 0; that.fs.open('/myfile', 'w', function(error, result) { if(error) throw error; var fd = result; that.fs.write(fd, buffer, 0, buffer.length, undefined, function(error, result) { if(error) throw error; _result += result; that.fs.write(fd, buffer, 0, buffer.length, undefined, function(error, result) { if(error) throw error; _result += result; that.fs.stat('/myfile', function(error, result) { if(error) throw error; _stats = result; complete = true; }); }); }) }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).not.toBeDefined(); expect(_result).toEqual(2 * buffer.length); expect(_stats.size).toEqual(_result); }); }); }); describe('fs.writeFile, fs.readFile', function() { beforeEach(function() { this.db_name = mk_db_name(); this.fs = new IDBFS.FileSystem(this.db_name, 'FORMAT'); }); afterEach(function() { indexedDB.deleteDatabase(this.db_name); delete this.fs; }); it('should be a function', function() { expect(typeof this.fs.writeFile).toEqual('function'); expect(typeof this.fs.readFile).toEqual('function'); }); it('should error when path is wrong to readFile', function() { var complete = false; var _error, _result; var that = this; var contents = "This is a file."; that.fs.readFile('/no-such-file', 'utf8', function(error, data) { _error = error; _result = data; complete = true; }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).toBeDefined(); expect(_result).not.toBeDefined(); }); }); it('should write, read a utf8 file without specifying utf8 in writeFile', function() { var complete = false; var _error, _result; var that = this; var contents = "This is a file."; that.fs.writeFile('/myfile', contents, function(error) { if(error) throw error; that.fs.readFile('/myfile', 'utf8', function(error2, data) { if(error2) throw error2; _result = data; complete = true; }); }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).not.toBeDefined(); expect(_result).toEqual(contents); }); }); it('should write, read a utf8 file with "utf8" option to writeFile', function() { var complete = false; var _error, _result; var that = this; var contents = "This is a file."; that.fs.writeFile('/myfile', contents, 'utf8', function(error) { if(error) throw error; that.fs.readFile('/myfile', 'utf8', function(error2, data) { if(error2) throw error2; _result = data; complete = true; }); }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).not.toBeDefined(); expect(_result).toEqual(contents); }); }); it('should write, read a utf8 file with {encoding: "utf8"} option to writeFile', function() { var complete = false; var _error, _result; var that = this; var contents = "This is a file."; that.fs.writeFile('/myfile', contents, { encoding: 'utf8' }, function(error) { if(error) throw error; that.fs.readFile('/myfile', 'utf8', function(error2, data) { if(error2) throw error2; _result = data; complete = true; }); }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).not.toBeDefined(); expect(_result).toEqual(contents); }); }); it('should write, read a binary file', function() { var complete = false; var _error, _result; var that = this; // String and utf8 binary encoded versions of the same thing: var contents = "This is a file."; var binary = new Uint8Array([84, 104, 105, 115, 32, 105, 115, 32, 97, 32, 102, 105, 108, 101, 46]); that.fs.writeFile('/myfile', binary, function(error) { if(error) throw error; that.fs.readFile('/myfile', function(error2, data) { if(error2) throw error2; _result = data; complete = true; }); }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).not.toBeDefined(); expect(_result).toEqual(binary); }); }); }); describe('fs.read', function() { beforeEach(function() { this.db_name = mk_db_name(); this.fs = new IDBFS.FileSystem(this.db_name, 'FORMAT'); }); afterEach(function() { indexedDB.deleteDatabase(this.db_name); delete this.fs; }); it('should be a function', function() { expect(typeof this.fs.read).toEqual('function'); }); it('should read data from a file', function() { var complete = false; var _error, _result; var that = this; var wbuffer = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]); var rbuffer = new Uint8Array(wbuffer.length); that.fs.open('/myfile', 'w+', function(error, result) { if(error) throw error; var fd = result; that.fs.write(fd, wbuffer, 0, wbuffer.length, 0, function(error, result) { if(error) throw error; that.fs.read(fd, rbuffer, 0, rbuffer.length, 0, function(error, result) { _error = error; _result = result; complete = true; }); }) }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).not.toBeDefined(); expect(_result).toEqual(rbuffer.length); expect(typed_array_equal(wbuffer, rbuffer)).toEqual(true); }); }); it('should update the current file position', function() { var complete = false; var _error, _result; var that = this; var wbuffer = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]); var rbuffer = new Uint8Array(wbuffer.length); _result = 0; that.fs.open('/myfile', 'w+', function(error, result) { if(error) throw error; var fd = result; that.fs.write(fd, wbuffer, 0, wbuffer.length, 0, function(error, result) { if(error) throw error; that.fs.read(fd, rbuffer, 0, rbuffer.length / 2, undefined, function(error, result) { if(error) throw error; _result += result; that.fs.read(fd, rbuffer, rbuffer.length / 2, rbuffer.length, undefined, function(error, result) { if(error) throw error; _result += result; complete = true; }); }); }) }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).not.toBeDefined(); expect(_result).toEqual(rbuffer.length); expect(typed_array_equal(wbuffer.buffer, rbuffer.buffer)).toEqual(true); }); }); }); describe('fs.close', function() { beforeEach(function() { this.db_name = mk_db_name(); this.fs = new IDBFS.FileSystem(this.db_name, 'FORMAT'); }); afterEach(function() { indexedDB.deleteDatabase(this.db_name); delete this.fs; }); it('should be a function', function() { expect(typeof this.fs.close).toEqual('function'); }); it('should release the file descriptor', function() { var complete = false; var _error; var that = this; var buffer = new Uint8Array(0); that.fs.open('/myfile', 'w+', function(error, result) { if(error) throw error; var fd = result; that.fs.close(fd, function(error) { that.fs.read(fd, buffer, 0, buffer.length, undefined, function(error, result) { _error = error; complete = true; }); }); }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).toBeDefined(); }); }); }); describe('fs.link', function() { beforeEach(function() { this.db_name = mk_db_name(); this.fs = new IDBFS.FileSystem(this.db_name, 'FORMAT'); }); afterEach(function() { indexedDB.deleteDatabase(this.db_name); delete this.fs; }); it('should be a function', function() { expect(typeof this.fs.link).toEqual('function'); }); it('should create a link to an existing file', function() { var complete = false; var _error, _oldstats, _newstats; var that = this; that.fs.open('/myfile', 'w+', function(error, result) { if(error) throw error; var fd = result; that.fs.close(fd, function(error) { if(error) throw error; that.fs.link('/myfile', '/myotherfile', function(error) { if(error) throw error; that.fs.stat('/myfile', function(error, result) { if(error) throw error; _oldstats = result; that.fs.stat('/myotherfile', function(error, result) { if(error) throw error; _newstats = result; complete = true; }); }); }); }); }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).not.toBeDefined(); expect(_newstats.node).toEqual(_oldstats.node); expect(_newstats.nlinks).toEqual(2); expect(_newstats).toEqual(_oldstats); }); }); }); describe('fs.unlink', function() { beforeEach(function() { this.db_name = mk_db_name(); this.fs = new IDBFS.FileSystem(this.db_name, 'FORMAT'); }); afterEach(function() { indexedDB.deleteDatabase(this.db_name); delete this.fs; }); it('should be a function', function() { expect(typeof this.fs.unlink).toEqual('function'); }); it('should remove a link to an existing file', function() { var complete1 = false; var complete2 = false; var _error, _stats; var that = this; that.fs.open('/myfile', 'w+', function(error, result) { if(error) throw error; var fd = result; that.fs.close(fd, function(error) { if(error) throw error; that.fs.link('/myfile', '/myotherfile', function(error) { if(error) throw error; that.fs.unlink('/myfile', function(error) { if(error) throw error; that.fs.stat('/myfile', function(error, result) { _error = error; complete1 = true; }); that.fs.stat('/myotherfile', function(error, result) { if(error) throw error; _stats = result; complete2 = true; }); }); }); }); }); waitsFor(function() { return complete1 && complete2; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).toBeDefined(); expect(_stats.nlinks).toEqual(1); }); }); }); describe('fs.rename', function() { beforeEach(function() { this.db_name = mk_db_name(); this.fs = new IDBFS.FileSystem(this.db_name, 'FORMAT'); }); afterEach(function() { indexedDB.deleteDatabase(this.db_name); delete this.fs; }); it('should be a function', function() { expect(typeof this.fs.rename).toEqual('function'); }); it('should rename an existing file', function() { var complete1 = false; var complete2 = false; var _error, _stats; var that = this; that.fs.open('/myfile', 'w+', function(error, result) { if(error) throw error; var fd = result; that.fs.close(fd, function(error) { if(error) throw error; that.fs.rename('/myfile', '/myotherfile', function(error) { if(error) throw error; that.fs.stat('/myfile', function(error, result) { _error = error; complete1 = true; }); that.fs.stat('/myotherfile', function(error, result) { if(error) throw error; _stats = result; complete2 = true; }); }); }); }); waitsFor(function() { return complete1 && complete2; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).toBeDefined(); expect(_stats.nlinks).toEqual(1); }); }); }); describe('fs.lseek', function() { beforeEach(function() { this.db_name = mk_db_name(); this.fs = new IDBFS.FileSystem(this.db_name, 'FORMAT'); }); afterEach(function() { indexedDB.deleteDatabase(this.db_name); delete this.fs; }); it('should be a function', function() { expect(typeof this.fs.lseek).toEqual('function'); }); it('should set the current position if whence is SET', function() { var complete = false; var _error, _result, _stats; var that = this; var offset = 3; var buffer = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]); var result_buffer = new Uint8Array(buffer.length + offset); that.fs.open('/myfile', 'w+', function(error, result) { if(error) throw error; var fd = result; that.fs.write(fd, buffer, 0, buffer.length, undefined, function(error, result) { if(error) throw error; that.fs.lseek(fd, offset, 'SET', function(error, result) { _error = error; _result = result; that.fs.write(fd, buffer, 0, buffer.length, undefined, function(error, result) { if(error) throw error; that.fs.read(fd, result_buffer, 0, result_buffer.length, 0, function(error, result) { if(error) throw error; that.fs.stat('/myfile', function(error, result) { if(error) throw error; _stats = result; complete = true; }); }); }); }); }) }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).not.toBeDefined(); expect(_result).toEqual(offset); expect(_stats.size).toEqual(offset + buffer.length); var expected = new Uint8Array([1, 2, 3, 1, 2, 3, 4, 5, 6, 7, 8]); expect(typed_array_equal(result_buffer, expected)).toEqual(true); }); }); it('should update the current position if whence is CUR', function() { var complete = false; var _error, _result, _stats; var that = this; var offset = -2; var buffer = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]); var result_buffer = new Uint8Array(2 * buffer.length + offset); that.fs.open('/myfile', 'w+', function(error, result) { if(error) throw error; var fd = result; that.fs.write(fd, buffer, 0, buffer.length, undefined, function(error, result) { if(error) throw error; that.fs.lseek(fd, offset, 'CUR', function(error, result) { _error = error; _result = result; that.fs.write(fd, buffer, 0, buffer.length, undefined, function(error, result) { if(error) throw error; that.fs.read(fd, result_buffer, 0, result_buffer.length, 0, function(error, result) { if(error) throw error; that.fs.stat('/myfile', function(error, result) { if(error) throw error; _stats = result; complete = true; }); }); }); }); }) }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).not.toBeDefined(); expect(_result).toEqual(offset + buffer.length); expect(_stats.size).toEqual(offset + 2 * buffer.length); var expected = new Uint8Array([1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 7, 8]); expect(typed_array_equal(result_buffer, expected)).toEqual(true); }); }); it('should update the current position if whence is END', function() { var complete = false; var _error, _result, _stats; var that = this; var offset = 5; var buffer = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]); var result_buffer; that.fs.open('/myfile', 'w+', function(error, result) { if(error) throw error; var fd1 = result; that.fs.write(fd1, buffer, 0, buffer.length, undefined, function(error, result) { if(error) throw error; that.fs.open('/myfile', 'w+', function(error, result) { if(error) throw error; var fd2 = result; that.fs.lseek(fd2, offset, 'END', function(error, result) { _error = error; _result = result; that.fs.write(fd2, buffer, 0, buffer.length, undefined, function(error, result) { if(error) throw error; that.fs.stat('/myfile', function(error, result) { if(error) throw error; _stats = result; result_buffer = new Uint8Array(_stats.size); that.fs.read(fd2, result_buffer, 0, result_buffer.length, 0, function(error, result) { if(error) throw error; complete = true; }); }); }); }); }); }) }); waitsFor(function() { return complete; }, 'test to complete', DEFAULT_TIMEOUT); runs(function() { expect(_error).not.toBeDefined(); expect(_result).toEqual(offset + buffer.length); expect(_stats.size).toEqual(offset + 2 * buffer.length); var expected = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8]); expect(typed_array_equal(result_buffer, expected)).toEqual(true); }); }); });