Add assertion to test scripted examples

lib/print-example.js

@@ -1,6 +1,7 @@
 /* eslint-env jest */
 /* eslint-disable no-console */
 
+const assert = require('assert');
 const colors = require('@colors/colors/safe');
 const fs = require('fs');
 
@@ -103,6 +104,24 @@ function runPrintingExample(fn, logName, logTable, logCode, logSeparator, logScr
   function printExample(name, makeTable, expected, screenshot) {
     let code = makeTable.toString().split('\n').slice(1, -2).join('\n');
 
+    /**
+     * The scripts that generate the cli-table3 docs include "testing" routines
+     * which never actually get tested. It's unclear whether this was lost or
+     * dropped somewhere along the way.
+     *
+     * Here I've added a simple routine that tests the tables generated with the
+     * defined expectations.
+     *
+     * This proved pertinent when adding a bulk of new documentation examples so
+     * as to prevent innaccurate documentation and to make some use of the
+     * "framework" that was already there.
+     *
+     * It would be ideal if these "tests" were induced with the jest tests, but
+     * as is they are only induced within the "print-examples" and "update-docs"
+     * scripts. —@speedytwenty
+     */
+    assert.equal(makeTable().toString(), expected.join('\n'));
+
     logName(name);
     if (screenshot && logScreenShot) {
       logScreenShot(screenshot);