[WORK IN PROGRESS] ServiceWorkerClients.openWindow() [Blink]

LayoutTests/http/tests/serviceworker/resources/serviceworkerclients-openwindow-worker.js

+importScripts('worker-testharness.js');
+importScripts('/resources/testharness-helpers.js');
+
+var active = new Promise(function(resolve, reject) {
+  self.addEventListener('activate', function() {
+    resolve();
+  });
+});
+
+promise_test(function(t) {
+  self.clients.openWindow('http://example.com/')
+    .then(
+      t.unreached_func('openWindow() should not fulfill for off-origin URL'),
+      function(reason) {
+        assert_equals(reason.name, 'SecurityError',
+                      'openWindow() should reject off-origin URL');
+      });
+}, 'ServiceWorkerClients.openWindow with off-origin URL');
+
+promise_test(function(t) {
+  self.clients.openWindow('http://[')
+    .then(
+      t.unreached_func('openWindow() should not fulfill for invalid URL'),
+      function(reason) {
+        assert_equals(reason.name, 'SyntaxError',
+                      'openWindow() should reject invalid URL');
+      });
+}, 'ServiceWorkerClients.openWindow with invalid URL');
+
+promise_test(function(t) {
+    return active
+      .then(function() {
+        // FIXME: Should this reject?
+        return self.clients.openWindow('/out-of-scope');
+      })
+      .then(
+        t.unreached_func('openWindow() should not resolve if open fails'),
+        function(reason) {
+          // FIXME: Update when specified.
+          assert_equals(reason.name, 'SecurityError',
+                        'Failed open should resolve with SecurityError');
+        });
+}, 'ServiceWorkerClients.openWindow() with failed open');
+
+promise_test(function(t) {
+    var client_url = 'simple.html';
+    return active
+      .then(function() {
+          return self.clients.openWindow('simple.html');
+      })
+      .then(function(client) {
+          assert_equals(client.url, String(new URL(client_url, self.location)),
+                        'client.url should match URL passed to openWindow()');
+          assert_equals(client.frameType, 'top-level',
+                        'client.frameType should be top-level');
+      });
+}, 'ServiceWorkerClients.openWindow() with successful open');