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/Slashit.php

@@ -0,0 +1,31 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_Slashit extends WP_UnitTestCase {
+	function test_backslashes_middle_numbers() {
+		$this->assertEquals("\\a-!9\\a943\\b\\c", backslashit("a-!9a943bc"));
+	}
+
+	function test_backslashes_alphas() {
+		$this->assertEquals("\\a943\\b\\c", backslashit("a943bc"));
+	}
+
+	function test_double_backslashes_leading_numbers() {
+		$this->assertEquals("\\\\95", backslashit("95"));
+	}
+
+	function test_removes_trailing_slashes() {
+		$this->assertEquals("a", untrailingslashit("a/"));
+		$this->assertEquals("a", untrailingslashit("a////"));
+	}
+
+	function test_adds_trailing_slash() {
+		$this->assertEquals("a/", trailingslashit("a"));
+	}
+
+	function test_does_not_add_trailing_slash_if_one_exists() {
+		$this->assertEquals("a/", trailingslashit("a/"));
+	}
+}