From 567380828666c624127fefca5260447b2adffc22 Mon Sep 17 00:00:00 2001
From: twosee <twose@qq.com>
Date: Tue, 23 Apr 2019 14:54:20 +0800
Subject: [PATCH] Merge 3503dd9220ac1d6ae550516d18fbd9f348e8563c

---
 src/Assert.php | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/Assert.php b/src/Assert.php
index 3018cb50..f66f96e9 100644
--- a/src/Assert.php
+++ b/src/Assert.php
@@ -51,6 +51,7 @@
  * @method static bool nullOrIp($value, $message = '')
  * @method static bool nullOrIpv4($value, $message = '')
  * @method static bool nullOrIpv6($value, $message = '')
+ * @method static bool nullOrUniqueValues($values, $message = '')
  * @method static bool nullOrEq($value, $expect, $message = '')
  * @method static bool nullOrNotEq($value, $expect, $message = '')
  * @method static bool nullOrSame($value, $expect, $message = '')
@@ -130,6 +131,7 @@
  * @method static bool allIp($values, $message = '')
  * @method static bool allIpv4($values, $message = '')
  * @method static bool allIpv6($values, $message = '')
+ * @method static bool allUniqueValues($values, $message = '')
  * @method static bool allEq($values, $expect, $message = '')
  * @method static bool allNotEq($values, $expect, $message = '')
  * @method static bool allSame($values, $expect, $message = '')
@@ -544,6 +546,22 @@ public static function ipv6($value, $message = ''): bool
         return true;
     }
 
+    public static function uniqueValues(array $values, $message = ''): bool
+    {
+        $allValues = count($values);
+        $uniqueValues = count(array_unique($values));
+        if ($allValues !== $uniqueValues) {
+            $difference = $allValues - $uniqueValues;
+            static::reportInvalidArgument(sprintf(
+                $message ?: 'Expected an array of unique values, but %s of them %s duplicated',
+                $difference,
+                (1 === $difference ? 'is' : 'are')
+            ));
+            return false;
+        }
+        return true;
+    }
+
     public static function eq($value, $expect, $message = ''): bool
     {
         if ($expect != $value) {