1 files changed, 43 insertions, 0 deletions
diff --git a/testing/web-platform/tests/xhr/headers-normalize-response.htm b/testing/web-platform/tests/xhr/headers-normalize-response.htm
new file mode 100644
index 0000000000..3d472f688c
--- /dev/null
+++ b/testing/web-platform/tests/xhr/headers-normalize-response.htm
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>Whitespace and null in header values</title>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<div id=log></div>
+<script>
+function error(val) {
+  test(() => {
+    const client = new XMLHttpRequest();
+    client.open("GET", "resources/parse-headers.py?my-custom-header="+encodeURIComponent(val), false);
+    assert_throws_dom("NetworkError", () => client.send());
+  }, "Header value: " + val.replace("\0", "\\0"));
+}
+
+function matchHeaderValue(val) {
+    test(function () {
+        var client = new XMLHttpRequest();
+        var trimmed = val.trim();
+        client.open("GET", "resources/parse-headers.py?my-custom-header="+encodeURIComponent(val), false);
+        client.send();
+        var r = client.getResponseHeader("My-Custom-Header");
+
+        assert_equals(r, trimmed);
+    }, "Header value: " + val.replace(/\t/g, "[tab]").replace(/ /g, "_"));
+}
+
+error("hello world\0");
+error("\0hello world");
+error("hello\0world");
+matchHeaderValue("  hello world");
+matchHeaderValue("hello world  ");
+matchHeaderValue("  hello world  ");
+matchHeaderValue("\thello world");
+matchHeaderValue("hello world\t");
+matchHeaderValue("\thello world\t");
+matchHeaderValue("hello      world");
+matchHeaderValue("hello\tworld");
+error("\0");
+matchHeaderValue("   ");
+matchHeaderValue("\t");
+matchHeaderValue("");
+</script>