Check both the function and the method for the existence via '@requires…

… function' annotation

src/Framework/TestCase.php

@@ -583,20 +583,25 @@ protected function checkRequirements()
             );
         }
 
-        foreach ($this->required['functions'] as $requiredFunction) {
-            if (!function_exists($requiredFunction)) {
-                $missingRequirements[] = sprintf(
-                  'Function %s is required.',
-                  $requiredFunction
-                );
+        foreach ($this->required['functions'] as $function) {
+            $pieces = explode('::', $function);
+            if (2 === count($pieces) && method_exists($pieces[0], $pieces[1])) {
+                continue;
+            }
+            if (function_exists($function)) {
+                continue;
             }
+            $missingRequirements[] = sprintf(
+              'Function %s is required.',
+              $function
+            );
         }
 
-        foreach ($this->required['extensions'] as $requiredExtension) {
-            if (!extension_loaded($requiredExtension)) {
+        foreach ($this->required['extensions'] as $extension) {
+            if (!extension_loaded($extension)) {
                 $missingRequirements[] = sprintf(
                   'Extension %s is required.',
-                  $requiredExtension
+                  $extension
                 );
             }
         }

tests/Framework/TestCaseTest.php

@@ -422,6 +422,13 @@ public function testSkipsProvidesMessagesForAllSkippingReasons()
         );
     }
 
+    public function testRequiringAnExistingMethodDoesNotSkip()
+    {
+        $test   = new RequirementsTest('testExistingMethod');
+        $result = $test->run();
+        $this->assertEquals(0, $result->skippedCount());
+    }
+
     public function testRequiringAnExistingFunctionDoesNotSkip()
     {
         $test   = new RequirementsTest('testExistingFunction');

tests/_files/RequirementsTest.php

@@ -97,6 +97,13 @@ public function testExistingFunction()
     {
     }
 
+    /**
+     * @requires function ReflectionMethod::setAccessible
+     */
+    public function testExistingMethod()
+    {
+    }
+
     /**
      * @requires extension spl
      */