import popper.js

Signed-off-by: Nico Schottelius <nico@nico-notebook.schottelius.org>

assets/u/static/popper.js-1.16.0/packages/popper/tests/functional/rendering.js

@@ -0,0 +1,24 @@
+import makePopperFactory from '../utils/makePopperFactory';
+import makeConnectedElement from '@popperjs/test-utils/utils/makeConnectedElement';
+import '@popperjs/test-utils/setup';
+
+describe('[rendering]', () => {
+  const makePopper = makePopperFactory();
+  const microTasksAvailable = window.Promise;
+
+  it('renders to the DOM before the first paint when microtasks are available', done => {
+    if (!microTasksAvailable) {
+      pending();
+    }
+
+    const spy = jasmine.createSpy('paint watcher');
+    requestAnimationFrame(spy);
+
+    makePopper(makeConnectedElement(), makeConnectedElement(), {
+      onCreate: () => {
+        expect(spy).not.toHaveBeenCalled();
+        done();
+      },
+    });
+  });
+});