1 files changed, 41 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/forms/the-button-element/button-type.html b/testing/web-platform/tests/html/semantics/forms/the-button-element/button-type.html
new file mode 100644
index 0000000000..6cfd6687c7
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/forms/the-button-element/button-type.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>HTMLButtonElement.prototype.type</title>
+<link rel="author" title="Domenic Denicola" href="mailto:d@domenic.me">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#dom-button-type">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<script>
+"use strict";
+
+test(() => {
+
+  const button = document.createElement("button");
+  assert_equals(button.type, "submit");
+
+}, "a button's type should be submit by default");
+
+test(() => {
+
+  const button = document.createElement("button");
+
+  for (const type of ["reset", "button", "submit"]) {
+    button.type = type;
+    assert_equals(button.type, type);
+
+    button.type = type.toUpperCase();
+    assert_equals(button.type, type);
+  }
+
+  button.type = "reset";
+  button.type = "asdfgdsafd";
+  assert_equals(button.type, "submit");
+
+  button.type = "reset";
+  button.type = "";
+  assert_equals(button.type, "submit");
+
+}, "a button's type should stay within the range of valid values");
+
+</script>