1 files changed, 40 insertions, 0 deletions
diff --git a/layout/base/tests/input-password-unmask-around-emoji-ref.html b/layout/base/tests/input-password-unmask-around-emoji-ref.html
new file mode 100644
index 0000000000..1fba0d9ae1
--- /dev/null
+++ b/layout/base/tests/input-password-unmask-around-emoji-ref.html
@@ -0,0 +1,40 @@
+<!DOCTYPE HTML>
+<html class="reftest-wait">
+<head>
+<script src="/tests/SimpleTest/SimpleTest.js"></script>
+</head>
+<body>
+<input type="text">
+<script>
+  function runTest() {
+    let params = window.location.hash.substring(1).split("-");
+    let input = document.getElementsByTagName("input")[0];
+    let editor = SpecialPowers.wrap(input).editor;
+    let unmaskStart = Number.parseInt(params[0]);
+    let unmaskEnd = Number.parseInt(params[1]);
+    let value = "";
+    if (unmaskStart == 0 && unmaskEnd > 0) {
+      value += "a";
+    } else {
+      value += editor.passwordMask;
+    }
+    if (unmaskStart <= 2 && unmaskEnd > 1 && unmaskEnd > unmaskStart) {
+      value += String.fromCodePoint(0x1f914);
+    } else {
+      value += editor.passwordMask;
+      value += editor.passwordMask;
+    }
+    if (unmaskStart <= 3 && unmaskEnd > 3) {
+      value += "b";
+    } else {
+      value += editor.passwordMask;
+    }
+    input.value = value;
+    input.setSelectionRange(Number.parseInt(params[2]), Number.parseInt(params[3]));
+    document.documentElement.removeAttribute("class");
+  }
+
+  SimpleTest.waitForFocus(runTest);
+</script>
+</body>
+</html>