Add tests for attributes

Author: nikic

ext/reflection/tests/new_in_attributes.phpt

@@ -0,0 +1,69 @@
+--TEST--
+new in attribute arguments
+--FILE--
+<?php
+
+#[Attribute]
+class MyAttribute {
+    public function __construct(public $x, public $y) {}
+}
+
+#[MyAttribute(null, new stdClass)]
+class Test1 {
+}
+
+$rc = new ReflectionClass(Test1::class);
+$ra = $rc->getAttributes()[0];
+$args1 = $ra->getArguments(); 
+$obj1 = $ra->newInstance();
+var_dump($args1, $obj1);
+
+// Check that we get fresh instances each time:
+$args2 = $ra->getArguments(); 
+$obj2 = $ra->newInstance();
+var_dump($args1[1] !== $args2[1]);
+var_dump($obj1->y !== $obj2->y);
+
+// Check that named args work:
+#[MyAttribute(y: new stdClass, x: null)]
+class Test2 {
+}
+
+$rc = new ReflectionClass(Test2::class);
+$ra = $rc->getAttributes()[0];
+$args = $ra->getArguments(); 
+$obj = $ra->newInstance();
+var_dump($args, $obj);
+
+?>
+--EXPECT--
+array(2) {
+  [0]=>
+  NULL
+  [1]=>
+  object(stdClass)#3 (0) {
+  }
+}
+object(MyAttribute)#4 (2) {
+  ["x"]=>
+  NULL
+  ["y"]=>
+  object(stdClass)#5 (0) {
+  }
+}
+bool(true)
+bool(true)
+array(2) {
+  ["y"]=>
+  object(stdClass)#2 (0) {
+  }
+  ["x"]=>
+  NULL
+}
+object(MyAttribute)#10 (2) {
+  ["x"]=>
+  NULL
+  ["y"]=>
+  object(stdClass)#11 (0) {
+  }
+}