1 files changed, 15 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fetch/api/basic/header-value-combining.any.js b/testing/web-platform/tests/fetch/api/basic/header-value-combining.any.js
new file mode 100644
index 0000000000..bb70d87d25
--- /dev/null
+++ b/testing/web-platform/tests/fetch/api/basic/header-value-combining.any.js
@@ -0,0 +1,15 @@
+// META: global=window,worker
+
+[
+  ["content-length", "0", "header-content-length"],
+  ["content-length", "0, 0", "header-content-length-twice"],
+  ["double-trouble", ", ", "headers-double-empty"],
+  ["foo-test", "1, 2, 3", "headers-basic"],
+  ["heya", ", \u000B\u000C, 1, , , 2", "headers-some-are-empty"],
+  ["www-authenticate", "1, 2, 3, 4", "headers-www-authenticate"],
+].forEach(testValues => {
+  promise_test(async t => {
+    const response = await fetch("../../../xhr/resources/" + testValues[2] + ".asis");
+    assert_equals(response.headers.get(testValues[0]), testValues[1]);
+  }, "response.headers.get('" + testValues[0] + "') expects " + testValues[1]);
+});