98 lines
2.6 KiB
JavaScript
98 lines
2.6 KiB
JavaScript
define(["IDBFS"], function(IDBFS) {
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describe('fs.read', function() {
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beforeEach(function() {
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this.db_name = mk_db_name();
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this.fs = new IDBFS.FileSystem({
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name: this.db_name,
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flags: 'FORMAT'
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});
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});
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afterEach(function() {
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indexedDB.deleteDatabase(this.db_name);
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delete this.fs;
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});
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it('should be a function', function() {
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expect(typeof this.fs.read).toEqual('function');
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});
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it('should read data from a file', function() {
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var complete = false;
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var _error, _result;
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var that = this;
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var wbuffer = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]);
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var rbuffer = new Uint8Array(wbuffer.length);
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that.fs.open('/myfile', 'w+', function(error, result) {
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if(error) throw error;
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var fd = result;
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that.fs.write(fd, wbuffer, 0, wbuffer.length, 0, function(error, result) {
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if(error) throw error;
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that.fs.read(fd, rbuffer, 0, rbuffer.length, 0, function(error, result) {
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_error = error;
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_result = result;
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complete = true;
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});
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});
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});
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waitsFor(function() {
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return complete;
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}, 'test to complete', DEFAULT_TIMEOUT);
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runs(function() {
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expect(_error).toEqual(null);
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expect(_result).toEqual(rbuffer.length);
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expect(typed_array_equal(wbuffer, rbuffer)).toEqual(true);
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});
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});
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it('should update the current file position', function() {
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var complete = false;
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var _error, _result;
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var that = this;
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var wbuffer = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]);
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var rbuffer = new Uint8Array(wbuffer.length);
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_result = 0;
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that.fs.open('/myfile', 'w+', function(error, result) {
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if(error) throw error;
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var fd = result;
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that.fs.write(fd, wbuffer, 0, wbuffer.length, 0, function(error, result) {
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if(error) throw error;
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that.fs.read(fd, rbuffer, 0, rbuffer.length / 2, undefined, function(error, result) {
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if(error) throw error;
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_result += result;
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that.fs.read(fd, rbuffer, rbuffer.length / 2, rbuffer.length, undefined, function(error, result) {
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if(error) throw error;
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_result += result;
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complete = true;
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});
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});
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});
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});
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waitsFor(function() {
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return complete;
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}, 'test to complete', DEFAULT_TIMEOUT);
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runs(function() {
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expect(_error).toEqual(null);
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expect(_result).toEqual(rbuffer.length);
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expect(typed_array_equal(wbuffer.buffer, rbuffer.buffer)).toEqual(true);
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});
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});
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});
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}); |