1 files changed, 52 insertions, 0 deletions
diff --git a/testing/web-platform/tests/xhr/cors-expose-star.sub.any.js b/testing/web-platform/tests/xhr/cors-expose-star.sub.any.js
new file mode 100644
index 0000000000..9d88046806
--- /dev/null
+++ b/testing/web-platform/tests/xhr/cors-expose-star.sub.any.js
@@ -0,0 +1,52 @@
+// META: script=../fetch/api/resources/utils.js
+
+const url = "http://{{host}}:{{ports[http][1]}}" + dirname(location.pathname) + "resources/top.txt",
+      sharedHeaders = "?pipe=header(Access-Control-Expose-Headers,*)|header(Test,X)|header(*,whoa)|"
+
+async_test(function() {
+  const headers = "header(Access-Control-Allow-Origin,*)"
+  var client = new XMLHttpRequest();
+  client.open("GET", url + sharedHeaders + headers);
+  client.send();
+  client.onreadystatechange = this.step_func(function () {
+    if (this.readyState == this.HEADERS_RECEIVED) {
+      assert_equals(client.getResponseHeader("test"), "X");
+      assert_equals(client.getResponseHeader("set-cookie"), null);
+      assert_equals(client.getResponseHeader("*"), "whoa");
+      this.done();
+    }
+  });
+}, "Basic Access-Control-Expose-Headers: * support")
+
+async_test(function() {
+  const origin = location.origin, // assuming an ASCII origin
+        headers = "header(Access-Control-Allow-Origin," + origin + ")|header(Access-Control-Allow-Credentials,true)"
+  var client = new XMLHttpRequest();
+  client.open("GET", url + sharedHeaders + headers);
+  client.withCredentials = true;
+  client.send();
+  client.onreadystatechange = this.step_func(function () {
+    if (this.readyState == this.HEADERS_RECEIVED) {
+      assert_equals(client.getResponseHeader("content-type"), "text/plain"); // safelisted
+      assert_equals(client.getResponseHeader("test"), null);
+      assert_equals(client.getResponseHeader("set-cookie"), null);
+      assert_equals(client.getResponseHeader("*"), "whoa");
+      this.done();
+    }
+  });
+}, "* for credentialed fetches only matches literally")
+
+async_test(function() {
+  const headers =  "header(Access-Control-Allow-Origin,*)|header(Access-Control-Expose-Headers,set-cookie\\,*)"
+  var client = new XMLHttpRequest();
+  client.open("GET", url + sharedHeaders + headers);
+  client.send();
+  client.onreadystatechange = this.step_func(function () {
+    if (this.readyState == this.HEADERS_RECEIVED) {
+      assert_equals(client.getResponseHeader("test"), "X");
+      assert_equals(client.getResponseHeader("set-cookie"), null);
+      assert_equals(client.getResponseHeader("*"), "whoa");
+      this.done();
+    }
+  });
+}, "* can be one of several values")