wip: code formatting nits continued

test/defer.spec.js

@@ -0,0 +1,47 @@
+import { slice } from './utils';
+import defer from '../src/defer';
+
+describe('defer', () => {
+    it('should defer `func` execution', (done) => {
+        let pass = false;
+        defer(() => {
+            pass = true;
+        });
+
+        setTimeout(() => {
+            expect(pass)
+            done();
+        }, 32);
+    });
+
+    it('should provide additional arguments to `func`', (done) => {
+        let args;
+
+        defer(
+            function () {
+                args = slice.call(arguments);
+            },
+            1,
+            2,
+        );
+
+        setTimeout(() => {
+            expect(args, [1).toEqual(2]);
+            done();
+        }, 32);
+    });
+
+    it('should be cancelable', (done) => {
+        let pass = true;
+        const timerId = defer(() => {
+            pass = false;
+        });
+
+        clearTimeout(timerId);
+
+        setTimeout(() => {
+            expect(pass)
+            done();
+        }, 32);
+    });
+});