1 files changed, 53 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_bug660066.js b/netwerk/test/unit/test_bug660066.js
new file mode 100644
index 0000000000..2e7c060135
--- /dev/null
+++ b/netwerk/test/unit/test_bug660066.js
@@ -0,0 +1,53 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+"use strict";
+
+const SIMPLEURI_SPEC = "data:text/plain,hello world";
+const BLOBURI_SPEC = "blob:123456";
+
+function do_info(text, stack) {
+  if (!stack) {
+    stack = Components.stack.caller;
+  }
+
+  dump(
+    "\n" +
+      "TEST-INFO | " +
+      stack.filename +
+      " | [" +
+      stack.name +
+      " : " +
+      stack.lineNumber +
+      "] " +
+      text +
+      "\n"
+  );
+}
+
+function do_check_uri_neq(uri1, uri2) {
+  do_info("Checking equality in forward direction...");
+  Assert.ok(!uri1.equals(uri2));
+  Assert.ok(!uri1.equalsExceptRef(uri2));
+
+  do_info("Checking equality in reverse direction...");
+  Assert.ok(!uri2.equals(uri1));
+  Assert.ok(!uri2.equalsExceptRef(uri1));
+}
+
+function run_test() {
+  var simpleURI = NetUtil.newURI(SIMPLEURI_SPEC);
+  var fileDataURI = NetUtil.newURI(BLOBURI_SPEC);
+
+  do_info("Checking that " + SIMPLEURI_SPEC + " != " + BLOBURI_SPEC);
+  do_check_uri_neq(simpleURI, fileDataURI);
+
+  do_info("Changing the nsSimpleURI spec to match the nsFileDataURI");
+  simpleURI = simpleURI.mutate().setSpec(BLOBURI_SPEC).finalize();
+
+  do_info("Verifying that .spec matches");
+  Assert.equal(simpleURI.spec, fileDataURI.spec);
+
+  do_info(
+    "Checking that nsSimpleURI != nsFileDataURI despite their .spec matching"
+  );
+  do_check_uri_neq(simpleURI, fileDataURI);
+}