razer should be a-ok

.atom/packages/atom-material-ui/spec/fonts/set-font-size-spec.js

@@ -0,0 +1,20 @@
+'use babel';
+
+import setFontSize from '../../lib/fonts/set-font-size';
+
+describe('Font size setter', () => {
+    const root = document.documentElement;
+
+    it('should be able to change root element\'s font-size', () => {
+        expect(root.style.fontSize).toBe('');
+        setFontSize(22);
+        expect(root.style.fontSize).toBe('22px');
+    });
+
+    it('should be able to unset root element\'s font-size', () => {
+        setFontSize(22);
+        expect(root.style.fontSize).toBe('22px');
+        setFontSize(null);
+        expect(root.style.fontSize).toBe('');
+    });
+});