From f0559420a1b744db3d7d240eedaed48604ace89a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20Kr=C3=A4mer?= <florian.kraemer@cakedc.com>
Date: Wed, 27 Apr 2016 02:17:59 +0200
Subject: [PATCH] Adding a validation method to validate the count of a value

---
 src/Validation/Validation.php                | 29 ++++++++++++++++++++
 tests/TestCase/Validation/ValidationTest.php | 23 ++++++++++++++++
 2 files changed, 52 insertions(+)

diff --git a/src/Validation/Validation.php b/src/Validation/Validation.php
index f625a7dd50a..6f10d78f8c7 100644
--- a/src/Validation/Validation.php
+++ b/src/Validation/Validation.php
@@ -215,6 +215,35 @@ public static function cc($check, $type = 'fast', $deep = false, $regex = null)
         return false;
     }
 
+    /**
+     * Used to check the count of a given value of type string, int, or array.
+     *
+     * If a string value is passed the string length is used as count.
+     *
+     * @param array|int|string $check1 The value to check the count on.
+     * @param string $operator Can be either a word or operand
+     *    is greater >, is less <, greater or equal >=
+     *    less or equal <=, is less <, equal to ==, not equal !=
+     * @param int $check2 The expected count value.
+     * @return bool Success
+     */
+    public static function count($check1, $operator, $expectedCount)
+    {
+        if (is_array($check1) || $check1 instanceof \Countable) {
+            $count = count($check1);
+        } elseif (is_string($check1)) {
+            $count = mb_strlen($check1);
+        } elseif (is_int($check1)) {
+            $count = $check1;
+        }
+
+        if (!$count) {
+            return false;
+        }
+
+        return self::comparison($count, $operator, $expectedCount);
+    }
+
     /**
      * Used to compare 2 numeric values.
      *
diff --git a/tests/TestCase/Validation/ValidationTest.php b/tests/TestCase/Validation/ValidationTest.php
index 568eff10c6e..b67bca46767 100644
--- a/tests/TestCase/Validation/ValidationTest.php
+++ b/tests/TestCase/Validation/ValidationTest.php
@@ -2762,4 +2762,27 @@ public function testUtf8Extended()
         // Grinning face
         $this->assertTrue(Validation::utf8('some' . "\xf0\x9f\x98\x80" . 'value', ['extended' => true]));
     }
+
+    /**
+     * Test count
+     *
+     * @return void
+     */
+    public function testCount()
+    {
+        $array = ['cake', 'php'];
+        $this->assertTrue(Validation::count($array, '==', 2));
+        $this->assertFalse(Validation::count($array, '>', 3));
+        $this->assertFalse(Validation::count($array, '<', 1));
+
+        $string = 'cakephp';
+        $this->assertTrue(Validation::count($string, '==', 7));
+        $this->assertFalse(Validation::count($string, '>', 8));
+        $this->assertFalse(Validation::count($string, '<', 1));
+
+        $int = 7;
+        $this->assertTrue(Validation::count($int, '==', 7));
+        $this->assertFalse(Validation::count($int, '>', 8));
+        $this->assertFalse(Validation::count($int, '<', 1));
+    }
 }