Move PHPUnit tests into a tests/phpunit directory.

wp-tests-config.php can/should reside in the root of a develop checkout. `phpunit` should be run from the root.

see #25088.


git-svn-id: https://develop.svn.wordpress.org/trunk@25165 602fd350-edb4-49c9-b593-d223f7449a82

tests/phpunit/tests/formatting/IsEmail.php

@@ -0,0 +1,31 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_IsEmail extends WP_UnitTestCase {
+	function test_returns_true_if_given_a_valid_email_address() {
+		$data = array(
+			"bob@example.com",
+			"phil@example.info",
+			"ace@204.32.222.14",
+			"kevin@many.subdomains.make.a.happy.man.edu"
+			);
+		foreach ( $data as $datum ) {
+			$this->assertEquals( $datum, is_email($datum), $datum );
+		}
+	}
+
+	function test_returns_false_if_given_an_invalid_email_address() {
+		$data = array(
+			"khaaaaaaaaaaaaaaan!",
+			'http://bob.example.com/',
+			"sif i'd give u it, spamer!1",
+			"com.exampleNOSPAMbob",
+			"bob@your mom"
+			);
+		foreach ($data as $datum) {
+			$this->assertFalse(is_email($datum), $datum);
+		}
+	}
+}