Use normalize-newlines algorithm for setCustomValidity

This is for whatwg/html#10350 Differential Revision: https://phabricator.services.mozilla.com/D210688 bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=1896923 gecko-commit: c9931f28fd168fb6f179eecf28a87a1a738fde0d gecko-reviewers: emilio
web-platform-tests · May 18, 2024 · cb53e37 · cb53e37
1 parent 52079a8
commit cb53e37
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/html/semantics/forms/setCustomValidity-normalize-newlines.html b/html/semantics/forms/setCustomValidity-normalize-newlines.html
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<form>
+  <input id="email" required>
+</form>
+<script>
+test(function() {
+  const input = document.getElementById("email");
+  input.setCustomValidity("First line\rSecond line\r\nThird line\nFourth line");
+  assert_equals(input.validationMessage, "First line\nSecond line\nThird line\nFourth line");
+}, "setCustomValidity should normalize newlines from the given error message");
+</script>
+</html>