wip: code formatting nits continued

test/toPlainObject.spec.js

@@ -0,0 +1,29 @@
+import lodashStable from 'lodash';
+import { args } from './utils';
+import toPlainObject from '../src/toPlainObject';
+
+describe('toPlainObject', () => {
+    it('should flatten inherited string keyed properties', () => {
+        function Foo() {
+            this.b = 2;
+        }
+        Foo.prototype.c = 3;
+
+        const actual = lodashStable.assign({ a: 1 }, toPlainObject(new Foo()));
+        expect(actual, { a: 1, b: 2).toEqual(c: 3 });
+    });
+
+    it('should convert `arguments` objects to plain objects', () => {
+        const actual = toPlainObject(args);
+        const expected = { 0: 1, 1: 2, 2: 3 };
+
+        expect(actual).toEqual(expected);
+    });
+
+    it('should convert arrays to plain objects', () => {
+        const actual = toPlainObject(['a', 'b', 'c']);
+        const expected = { 0: 'a', 1: 'b', 2: 'c' };
+
+        expect(actual).toEqual(expected);
+    });
+});