Add listTable() tests

Author: MGatner

tests/system/Database/Live/MetadataTest.php

@@ -0,0 +1,34 @@
+<?php namespace CodeIgniter\Database\Live;
+
+use CodeIgniter\Test\CIDatabaseTestCase;
+
+/**
+ * @group DatabaseLive
+ */
+class MetadataTest extends CIDatabaseTestCase
+{
+	protected $refresh = true;
+
+	protected $seed = 'Tests\Support\Database\Seeds\CITestSeeder';
+
+	public function testCanListTables()
+	{
+		$result = $this->db->listTables();
+
+		// user, job, misc, migrations
+		$this->assertCount(4, $result);
+	}
+
+	//--------------------------------------------------------------------
+
+	public function testCanListTablesConstrainPrefix()
+	{
+		$result = $this->db->listTables(true);
+
+		// user, job, misc, migrations
+		$this->assertCount(4, $result);
+	}
+  
+	//--------------------------------------------------------------------
+
+}