michael@0: const CWD = do_get_cwd();
michael@0: function checkOS(os) {
michael@0:   const nsILocalFile_ = "nsILocalFile" + os;
michael@0:   return nsILocalFile_ in Components.interfaces &&
michael@0:          CWD instanceof Components.interfaces[nsILocalFile_];
michael@0: }
michael@0: 
michael@0: const DIR_TARGET     = "target";
michael@0: const DIR_LINK       = "link";
michael@0: const DIR_LINK_LINK  = "link_link";
michael@0: const FILE_TARGET    = "target.txt";
michael@0: const FILE_LINK      = "link.txt";
michael@0: const FILE_LINK_LINK = "link_link.txt";
michael@0: 
michael@0: const DOES_NOT_EXIST = "doesnotexist";
michael@0: const DANGLING_LINK  = "dangling_link";
michael@0: const LOOP_LINK      = "loop_link";
michael@0: 
michael@0: const isWin = checkOS("Win");
michael@0: const isMac = checkOS("Mac");
michael@0: const isUnix = !(isWin || isMac);
michael@0: 
michael@0: const nsIFile = Components.interfaces.nsIFile;
michael@0: 
michael@0: var process;
michael@0: function createSymLink(from, to) {
michael@0:   if (!process) {
michael@0:     var ln = Components.classes["@mozilla.org/file/local;1"]
michael@0:                        .createInstance(Components.interfaces.nsILocalFile);
michael@0:     ln.initWithPath("/bin/ln");
michael@0: 
michael@0:     process = Components.classes["@mozilla.org/process/util;1"]
michael@0:                         .createInstance(Components.interfaces.nsIProcess);
michael@0:     process.init(ln);
michael@0:   }
michael@0: 
michael@0:   const args = ["-s", from, to];
michael@0:   process.run(true, args, args.length);
michael@0:   do_check_eq(process.exitValue, 0);
michael@0: }
michael@0: 
michael@0: function makeSymLink(from, toName, relative) {
michael@0:   var to = from.parent;
michael@0:   to.append(toName);
michael@0: 
michael@0:   if (relative) {
michael@0:     createSymLink(from.leafName, to.path);
michael@0:   }
michael@0:   else {
michael@0:     createSymLink(from.path, to.path);
michael@0:   }
michael@0: 
michael@0:   do_check_true(to.isSymlink());
michael@0: 
michael@0:   print("---");
michael@0:   print(from.path);
michael@0:   print(to.path);
michael@0:   print(to.target);
michael@0: 
michael@0:   if (from.leafName != DOES_NOT_EXIST && from.isSymlink()) {
michael@0:     // XXXjag wish I could set followLinks to false so we'd just get
michael@0:     // the symlink's direct target instead of the final target.
michael@0:     do_check_eq(from.target, to.target);
michael@0:   }
michael@0:   else {
michael@0:     do_check_eq(from.path, to.target);
michael@0:   }
michael@0: 
michael@0:   return to;
michael@0: }
michael@0: 
michael@0: function setupTestDir(testDir, relative) {
michael@0:   var targetDir = testDir.clone();
michael@0:   targetDir.append(DIR_TARGET);
michael@0: 
michael@0:   if (testDir.exists()) {
michael@0:     testDir.remove(true);
michael@0:   }
michael@0:   do_check_true(!testDir.exists());
michael@0: 
michael@0:   testDir.create(nsIFile.DIRECTORY_TYPE, 0777);
michael@0: 
michael@0:   targetDir.create(nsIFile.DIRECTORY_TYPE, 0777);
michael@0: 
michael@0:   var targetFile = testDir.clone();
michael@0:   targetFile.append(FILE_TARGET);
michael@0:   targetFile.create(nsIFile.NORMAL_FILE_TYPE, 0666);
michael@0: 
michael@0:   var imaginary = testDir.clone();
michael@0:   imaginary.append(DOES_NOT_EXIST);
michael@0: 
michael@0:   var loop = testDir.clone();
michael@0:   loop.append(LOOP_LINK);
michael@0: 
michael@0:   var dirLink  = makeSymLink(targetDir, DIR_LINK, relative);
michael@0:   var fileLink = makeSymLink(targetFile, FILE_LINK, relative);
michael@0: 
michael@0:   makeSymLink(dirLink, DIR_LINK_LINK, relative);
michael@0:   makeSymLink(fileLink, FILE_LINK_LINK, relative);
michael@0: 
michael@0:   makeSymLink(imaginary, DANGLING_LINK, relative);
michael@0: 
michael@0:   try {
michael@0:     makeSymLink(loop, LOOP_LINK, relative);
michael@0:     do_check_true(false);
michael@0:   }
michael@0:   catch (e) {
michael@0:   }
michael@0: }
michael@0: 
michael@0: function createSpaces(dirs, files, links) {
michael@0:   function longest(a, b) a.length > b.length ? a : b;
michael@0:   return dirs.concat(files, links).reduce(longest, "").replace(/./g, " ");
michael@0: }
michael@0: 
michael@0: function testSymLinks(testDir, relative) {
michael@0:   setupTestDir(testDir, relative);
michael@0: 
michael@0:   const dirLinks   = [DIR_LINK, DIR_LINK_LINK];
michael@0:   const fileLinks  = [FILE_LINK, FILE_LINK_LINK];
michael@0:   const otherLinks = [DANGLING_LINK, LOOP_LINK];
michael@0:   const dirs  = [DIR_TARGET].concat(dirLinks);
michael@0:   const files = [FILE_TARGET].concat(fileLinks);
michael@0:   const links = otherLinks.concat(dirLinks, fileLinks);
michael@0: 
michael@0:   const spaces = createSpaces(dirs, files, links);
michael@0:   const bools = {false: " false", true: " true "};
michael@0:   print(spaces + " dir   file  symlink");
michael@0:   var dirEntries = testDir.directoryEntries;
michael@0:   while (dirEntries.hasMoreElements()) {
michael@0:     const file = dirEntries.getNext().QueryInterface(nsIFile);
michael@0:     const name = file.leafName;
michael@0:     print(name + spaces.substring(name.length) + bools[file.isDirectory()] +
michael@0:           bools[file.isFile()] + bools[file.isSymlink()]);
michael@0:     do_check_eq(file.isDirectory(), dirs.indexOf(name) != -1);
michael@0:     do_check_eq(file.isFile(), files.indexOf(name) != -1);
michael@0:     do_check_eq(file.isSymlink(), links.indexOf(name) != -1);
michael@0:   }
michael@0: }
michael@0: 
michael@0: function run_test() {
michael@0:   // Skip this test on Windows
michael@0:   if (isWin)
michael@0:     return;
michael@0: 
michael@0:   var testDir = CWD;
michael@0:   testDir.append("test_symlinks");
michael@0: 
michael@0:   testSymLinks(testDir, false);
michael@0:   testSymLinks(testDir, true);
michael@0: }