import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/filesystem/tests/script_fileList.js

@@ -0,0 +1,129 @@
+var { classes: Cc, interfaces: Ci, utils: Cu } = Components;
+Cu.importGlobalProperties(["File"]);
+
+function createProfDFile() {
+  return Cc["@mozilla.org/file/directory_service;1"]
+           .getService(Ci.nsIDirectoryService)
+           .QueryInterface(Ci.nsIProperties)
+           .get('ProfD', Ci.nsIFile);
+}
+
+// Creates a parametric arity directory hierarchy as a function of depth.
+// Each directory contains one leaf file, and subdirectories of depth [1, depth).
+// e.g. for depth 3:
+//
+// subdir3
+// - file.txt
+// - subdir2
+//   - file.txt
+//   - subdir1
+//     - file.txt
+// - subdir1
+//   - file.txt
+//
+// Returns the parent directory of the subtree.
+function createTreeFile(depth, parent) {
+  if (!parent) {
+    parent = Cc["@mozilla.org/file/directory_service;1"]
+                .getService(Ci.nsIDirectoryService)
+                .QueryInterface(Ci.nsIProperties)
+                .get('TmpD', Ci.nsIFile);
+    parent.append('dir-tree-test');
+    parent.createUnique(Components.interfaces.nsIFile.DIRECTORY_TYPE, 0o700);
+  }
+
+  var nextFile = parent.clone();
+  if (depth == 0) {
+    nextFile.append('file.txt');
+    nextFile.create(Components.interfaces.nsIFile.NORMAL_FILE_TYPE, 0o600);
+  } else {
+    nextFile.append('subdir' + depth);
+    nextFile.createUnique(Components.interfaces.nsIFile.DIRECTORY_TYPE, 0o700);
+    // Decrement the maximal depth by one for each level of nesting.
+    for (i = 0; i < depth; i++) {
+      createTreeFile(i, nextFile);
+    }
+  }
+
+  return parent;
+}
+
+function createRootFile() {
+  var testFile = createProfDFile();
+
+  // Let's go back to the root of the FileSystem
+  while (true) {
+    var parent = testFile.parent;
+    if (!parent) {
+      break;
+    }
+
+    testFile = parent;
+  }
+
+  return testFile;
+}
+
+function createTestFile() {
+  var tmpFile = Cc["@mozilla.org/file/directory_service;1"]
+                  .getService(Ci.nsIDirectoryService)
+                  .QueryInterface(Ci.nsIProperties)
+                  .get('TmpD', Ci.nsIFile)
+  tmpFile.append('dir-test');
+  tmpFile.createUnique(Components.interfaces.nsIFile.DIRECTORY_TYPE, 0o700);
+
+  var file1 = tmpFile.clone();
+  file1.append('foo.txt');
+  file1.create(Components.interfaces.nsIFile.NORMAL_FILE_TYPE, 0o600);
+
+  var dir = tmpFile.clone();
+  dir.append('subdir');
+  dir.create(Components.interfaces.nsIFile.DIRECTORY_TYPE, 0o700);
+
+  var file2 = dir.clone();
+  file2.append('bar.txt');
+  file2.create(Components.interfaces.nsIFile.NORMAL_FILE_TYPE, 0o600);
+
+  return tmpFile;
+}
+
+addMessageListener("dir.open", function (e) {
+  var testFile;
+
+  switch (e.path) {
+    case 'ProfD':
+      // Note that files in the profile directory are not guaranteed to persist-
+      // see bug 1284742.
+      testFile = createProfDFile();
+      break;
+
+    case 'root':
+      testFile = createRootFile();
+      break;
+
+    case 'test':
+      testFile = createTestFile();
+      break;
+
+    case 'tree':
+      testFile = createTreeFile(3);
+      break;
+  }
+
+  sendAsyncMessage("dir.opened", {
+    dir: testFile.path,
+    name: testFile.leafName
+  });
+});
+
+addMessageListener("file.open", function (e) {
+  var testFile = Cc["@mozilla.org/file/directory_service;1"]
+                   .getService(Ci.nsIDirectoryService)
+                   .QueryInterface(Ci.nsIProperties)
+                   .get("ProfD", Ci.nsIFile);
+  testFile.append("prefs.js");
+
+  sendAsyncMessage("file.opened", {
+    file: File.createFromNsIFile(testFile)
+  });
+});