test_storedata.js - mozsearch

Enable keyboard shortcuts

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

*/

const DATA = "ZIP WRITER TEST DATA";

const FILENAME = "test.txt";

const CRC = 0xe6164331;

// XXX Must use a constant time here away from DST changes. See bug 402434.

const time = 1199145600000; // Jan 1st 2008

function testpass(source) {

  // Should exist.

  Assert.ok(source.hasEntry(FILENAME));

  var entry = source.getEntry(FILENAME);

  Assert.notEqual(entry, null);

  Assert.ok(!entry.isDirectory);

  // Should be stored

  Assert.equal(entry.compression, ZIP_METHOD_STORE);

  Assert.equal(entry.lastModifiedTime / PR_USEC_PER_MSEC, time);

  // File size should match our data size.

  Assert.equal(entry.realSize, DATA.length);

  // When stored sizes should match.

  Assert.equal(entry.size, entry.realSize);

  // Check that the CRC is accurate

  Assert.equal(entry.CRC32, CRC);

function run_test() {

  zipW.open(tmpFile, PR_RDWR | PR_CREATE_FILE | PR_TRUNCATE);

  // Shouldn't be there to start with.

  Assert.ok(!zipW.hasEntry(FILENAME));

  Assert.ok(!zipW.inQueue);

  var stream = Cc["@mozilla.org/io/string-input-stream;1"].createInstance(

    Ci.nsIStringInputStream

);

  stream.setData(DATA, DATA.length);

  zipW.addEntryStream(

    FILENAME,

    time * PR_USEC_PER_MSEC,

    Ci.nsIZipWriter.COMPRESSION_NONE,

    stream,

    false

);

  // Check that zip state is right at this stage.

  testpass(zipW);

  zipW.close();

  Assert.equal(

    tmpFile.fileSize,

    DATA.length +

      ZIP_FILE_HEADER_SIZE +

      ZIP_CDS_HEADER_SIZE +

      ZIP_EXTENDED_TIMESTAMP_SIZE * 2 +

      FILENAME.length * 2 +

      ZIP_EOCDR_HEADER_SIZE

);

  // Check to see if we get the same results loading afresh.

  zipW.open(tmpFile, PR_RDWR);

  testpass(zipW);

  zipW.close();

  // Test the stored data with the zipreader

  var zipR = new ZipReader(tmpFile);

  testpass(zipR);

  zipR.test(FILENAME);

  stream = Cc["@mozilla.org/scriptableinputstream;1"].createInstance(

    Ci.nsIScriptableInputStream

);

  stream.init(zipR.getInputStream(FILENAME));

  var result = stream.read(DATA.length);

  stream.close();

  zipR.close();

  Assert.equal(result, DATA);