1 files changed, 34 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_blob2.js b/js/xpconnect/tests/unit/test_blob2.js
new file mode 100644
index 0000000000..90d4bdc1c6
--- /dev/null
+++ b/js/xpconnect/tests/unit/test_blob2.js
@@ -0,0 +1,34 @@
+/* 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/. */
+
+Cu.importGlobalProperties(['Blob', 'File']);
+
+function run_test() {
+  // throw if anything goes wrong
+  let testContent = "<a id=\"a\"><b id=\"b\">hey!<\/b><\/a>";
+  // should be able to construct a file
+  var f1 = new Blob([testContent], {"type" : "text/xml"});
+
+  // do some tests
+  Assert.ok(f1 instanceof Blob, "Should be a DOM Blob");
+
+  Assert.ok(!(f1 instanceof File), "Should not be a DOM File");
+
+  Assert.ok(f1.type == "text/xml", "Wrong type");
+
+  Assert.ok(f1.size == testContent.length, "Wrong content size");
+
+  var f2 = new Blob();
+  Assert.ok(f2.size == 0, "Wrong size");
+  Assert.ok(f2.type == "", "Wrong type");
+
+  var threw = false;
+  try {
+    // Needs a valid ctor argument
+    var f2 = new Blob(Date(132131532));
+  } catch (e) {
+    threw = true;
+  }
+  Assert.ok(threw, "Passing a random object should fail");
+}