1 files changed, 23 insertions, 0 deletions
diff --git a/intl/uconv/tests/unit/test_unEscapeURIForUI.js b/intl/uconv/tests/unit/test_unEscapeURIForUI.js
new file mode 100644
index 0000000000..7f2fb167cc
--- /dev/null
+++ b/intl/uconv/tests/unit/test_unEscapeURIForUI.js
@@ -0,0 +1,23 @@
+// Tests for nsITextToSubURI.unEscapeURIForUI
+function run_test() {
+  // Tests whether incomplete multibyte sequences throw.
+  const tests = [
+    {
+      input: "http://example.com/?p=%E3%80%82",
+      //TODO: should be the same as input, bug 1248812
+      expected: "http://example.com/?p=%u3002",
+    },
+    {
+      input: "http://example.com/?name=%E3%80%82",
+      dontEscape: true,
+      expected: "http://example.com/?name=\u3002",
+    },
+  ];
+
+  for (const t of tests) {
+    Assert.equal(
+      Services.textToSubURI.unEscapeURIForUI(t.input, t.dontEscape),
+      t.expected
+    );
+  }
+}