1 files changed, 98 insertions, 0 deletions
diff --git a/xpcom/tests/unit/test_mac_xattrs.js b/xpcom/tests/unit/test_mac_xattrs.js
new file mode 100644
index 0000000000..b387358d74
--- /dev/null
+++ b/xpcom/tests/unit/test_mac_xattrs.js
@@ -0,0 +1,98 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et: */
+/* 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 { FileUtils } = ChromeUtils.importESModule(
+  "resource://gre/modules/FileUtils.sys.mjs"
+);
+
+const ATTR = "bogus.attr";
+const VALUE = new TextEncoder().encode("bogus");
+
+async function run_test() {
+  const path = PathUtils.join(
+    Services.dirsvc.get("TmpD", Ci.nsIFile).path,
+    "macos-xattrs.tmp.d"
+  );
+  await IOUtils.makeDirectory(path);
+
+  try {
+    await test_macos_xattr(path);
+  } finally {
+    await IOUtils.remove(path, { recursive: true });
+  }
+}
+
+async function test_macos_xattr(tmpDir) {
+  const path = PathUtils.join(tmpDir, "file.tmp");
+
+  await IOUtils.writeUTF8(path, "");
+
+  const file = new FileUtils.File(path);
+  file.queryInterface(Cc.nsILocalFileMac);
+
+  Assert.ok(!file.exists(), "File should not exist");
+
+  info("Testing reading an attribute on a file that does not exist");
+  Assert.throws(
+    () => file.hasXAttr(ATTR),
+    /NS_ERROR_FILE_NOT_FOUND/,
+    "Non-existant files can't have attributes checked"
+  );
+  Assert.throws(
+    () => file.getXAttr(ATTR),
+    /NS_ERROR_FILE_NOT_FOUND/,
+    "Non-existant files can't have attributes read"
+  );
+
+  file.create(Ci.nsIFile.NORMAL_FILE_TYPE, 0o644);
+  Assert.ok(file.exists(), "File exists after creation");
+
+  info("Testing reading an attribute that does not exist");
+  Assert.ok(
+    !file.hasXAttr(ATTR),
+    "File should not have attribute before being set."
+  );
+  Assert.throws(
+    () => file.getXAttr(ATTR),
+    /NS_ERROR_NOT_AVAILABLE/,
+    "Attempting to get an attribute that does not exist throws"
+  );
+
+  {
+    info("Testing setting and reading an attribute");
+    file.setXAttr(ATTR, VALUE);
+    Assert.ok(
+      file.hasXAttr(ATTR),
+      "File should have attribute after being set"
+    );
+    const result = file.getXAttr(ATTR);
+
+    Assert.deepEqual(
+      Array.from(result),
+      Array.from(VALUE),
+      "File should have attribute value matching what was set"
+    );
+  }
+
+  info("Testing removing an attribute");
+  file.delXAttr(ATTR);
+  Assert.ok(
+    !file.hasXAttr(ATTR),
+    "File should no longer have the attribute after removal"
+  );
+  Assert.throws(
+    () => file.getXAttr(ATTR),
+    /NS_ERROR_NOT_AVAILABLE/,
+    "Attempting to get an attribute after removal results in an error"
+  );
+
+  info("Testing removing an attribute that does not exist");
+  Assert.throws(
+    () => file.delXAttr(ATTR),
+    /NS_ERROR_NOT_AVAILABLE/,
+    "Attempting to remove an attribute that does not exist throws"
+  );
+}