Adds tests concerning arrow functions within a match

Author: nunomaduro

Zend/tests/arrow_functions/009.phpt

@@ -0,0 +1,47 @@
+--TEST--
+Arrow functions in match
+--FILE--
+<?php
+
+$fn = match (true) {
+    default => fn () => 1,
+};
+var_dump($fn());
+
+$ret = match (true) {
+    default => (fn () => 2)(),
+};
+var_dump($ret);
+
+$ret = match (true) {
+    default => (fn () => null)(),
+};
+var_dump($ret);
+
+$fn = match (true) {
+    default => fn () {
+        return 3;
+    },
+};
+var_dump($fn());
+
+$ret = match (true) {
+    default => (fn () {
+        return 4;
+    })(),
+};
+var_dump($ret);
+
+$ret = match (true) {
+    default => (fn () {})(),
+};
+var_dump($ret);
+
+?>
+--EXPECT--
+int(1)
+int(2)
+NULL
+int(3)
+int(4)
+NULL