dom/quota/test/common/xpcshell.js

   1 /**
   2  * Any copyright is dedicated to the Public Domain.
   3  * http://creativecommons.org/publicdomain/zero/1.0/
   4  */
   5
   6 loadScript("dom/quota/test/common/system.js");
   7
   8 function enableStorageTesting() {
   9   Services.prefs.setBoolPref("dom.quotaManager.testing", true);
  10   Services.prefs.setBoolPref("dom.simpleDB.enabled", true);
  11   if (Services.appinfo.OS === "WINNT") {
  12     Services.prefs.setBoolPref("dom.quotaManager.useDOSDevicePathSyntax", true);
  13   }
  14 }
  15
  16 function resetStorageTesting() {
  17   Services.prefs.clearUserPref("dom.quotaManager.testing");
  18   Services.prefs.clearUserPref("dom.simpleDB.enabled");
  19   if (Services.appinfo.OS === "WINNT") {
  20     Services.prefs.clearUserPref("dom.quotaManager.useDOSDevicePathSyntax");
  21   }
  22 }
  23
  24 function clear(callback) {
  25   let request = Services.qms.clear();
  26   request.callback = callback;
  27
  28   return request;
  29 }
  30
  31 function reset(callback) {
  32   let request = Services.qms.reset();
  33   request.callback = callback;
  34
  35   return request;
  36 }
  37
  38 function installPackage(packageRelativePath, allowFileOverwrites) {
  39   let currentDir = Services.dirsvc.get("CurWorkD", Ci.nsIFile);
  40
  41   let packageFile = getRelativeFile(packageRelativePath + ".zip", currentDir);
  42
  43   let zipReader = Cc["@mozilla.org/libjar/zip-reader;1"].createInstance(
  44     Ci.nsIZipReader
  45   );
  46   zipReader.open(packageFile);
  47
  48   let entryNames = Array.from(zipReader.findEntries(null));
  49   entryNames.sort();
  50
  51   for (let entryName of entryNames) {
  52     if (entryName.match(/^create_db\.(html|js)/)) {
  53       continue;
  54     }
  55
  56     let zipentry = zipReader.getEntry(entryName);
  57
  58     let file = getRelativeFile(entryName);
  59
  60     if (zipentry.isDirectory) {
  61       if (!file.exists()) {
  62         file.create(Ci.nsIFile.DIRECTORY_TYPE, parseInt("0755", 8));
  63       }
  64     } else {
  65       if (!allowFileOverwrites && file.exists()) {
  66         throw new Error("File already exists!");
  67       }
  68
  69       let istream = zipReader.getInputStream(entryName);
  70
  71       var ostream = Cc[
  72         "@mozilla.org/network/file-output-stream;1"
  73       ].createInstance(Ci.nsIFileOutputStream);
  74       ostream.init(file, -1, parseInt("0644", 8), 0);
  75
  76       let bostream = Cc[
  77         "@mozilla.org/network/buffered-output-stream;1"
  78       ].createInstance(Ci.nsIBufferedOutputStream);
  79       bostream.init(ostream, 32768);
  80
  81       bostream.writeFrom(istream, istream.available());
  82
  83       istream.close();
  84       bostream.close();
  85     }
  86   }
  87
  88   zipReader.close();
  89 }