From 9389dec24f6e8f9099e735d81b6aa167d1fa749f Mon Sep 17 00:00:00 2001
From: David Grudl <david@grudl.com>
Date: Tue, 30 Oct 2018 17:04:21 +0100
Subject: [PATCH] Reflection::getPropertyDeclaringClass() takes into account
 doc comments [Closes nette/di#169]

---
 src/Utils/Reflection.php                      |  4 +-
 ...n.getPropertyDeclaringClass.overwrite.phpt | 51 +++++++++++++++++
 ....getPropertyDeclaringClass.overwrite2.phpt | 55 +++++++++++++++++++
 3 files changed, 109 insertions(+), 1 deletion(-)
 create mode 100644 tests/Utils/Reflection.getPropertyDeclaringClass.overwrite.phpt
 create mode 100644 tests/Utils/Reflection.getPropertyDeclaringClass.overwrite2.phpt

diff --git a/src/Utils/Reflection.php b/src/Utils/Reflection.php
index 5e43db2eb..14e58c7a5 100644
--- a/src/Utils/Reflection.php
+++ b/src/Utils/Reflection.php
@@ -100,7 +100,9 @@ public static function getParameterDefaultValue(\ReflectionParameter $param)
 	public static function getPropertyDeclaringClass(\ReflectionProperty $prop): \ReflectionClass
 	{
 		foreach ($prop->getDeclaringClass()->getTraits() as $trait) {
-			if ($trait->hasProperty($prop->getName())) {
+			if ($trait->hasProperty($prop->getName())
+				&& $trait->getProperty($prop->getName())->getDocComment() === $prop->getDocComment()
+			) {
 				return self::getPropertyDeclaringClass($trait->getProperty($prop->getName()));
 			}
 		}
diff --git a/tests/Utils/Reflection.getPropertyDeclaringClass.overwrite.phpt b/tests/Utils/Reflection.getPropertyDeclaringClass.overwrite.phpt
new file mode 100644
index 000000000..80bf78c2c
--- /dev/null
+++ b/tests/Utils/Reflection.getPropertyDeclaringClass.overwrite.phpt
@@ -0,0 +1,51 @@
+<?php
+
+/**
+ * Test: Nette\Utils\Reflection::getPropertyDeclaringClass
+ */
+
+declare(strict_types=1);
+
+use Nette\Utils\Reflection;
+use Tester\Assert;
+
+
+require __DIR__ . '/../bootstrap.php';
+
+
+trait A
+{
+	protected $foo;
+}
+
+trait B
+{
+	use A;
+
+	protected $foo;
+}
+
+class C
+{
+	use B;
+
+	protected $foo;
+}
+
+class D extends C
+{
+	protected $foo;
+}
+
+
+// Property in class
+Assert::same('D', Reflection::getPropertyDeclaringClass(new \ReflectionProperty('D', 'foo'))->getName());
+
+// Property in class - wrong, but impossible to solve in PHP https://github.com/nette/di/issues/169
+Assert::same('A', Reflection::getPropertyDeclaringClass(new \ReflectionProperty('C', 'foo'))->getName());
+
+// Property in trait - wrong, but impossible to solve in PHP https://github.com/nette/di/issues/169
+Assert::same('A', Reflection::getPropertyDeclaringClass(new \ReflectionProperty('B', 'foo'))->getName());
+
+// Property in trait
+Assert::same('A', Reflection::getPropertyDeclaringClass(new \ReflectionProperty('A', 'foo'))->getName());
diff --git a/tests/Utils/Reflection.getPropertyDeclaringClass.overwrite2.phpt b/tests/Utils/Reflection.getPropertyDeclaringClass.overwrite2.phpt
new file mode 100644
index 000000000..f4f30e9b6
--- /dev/null
+++ b/tests/Utils/Reflection.getPropertyDeclaringClass.overwrite2.phpt
@@ -0,0 +1,55 @@
+<?php
+
+/**
+ * Test: Nette\Utils\Reflection::getPropertyDeclaringClass + doccomment workaround
+ */
+
+declare(strict_types=1);
+
+use Nette\Utils\Reflection;
+use Tester\Assert;
+
+
+require __DIR__ . '/../bootstrap.php';
+
+
+trait A
+{
+	/** a */
+	protected $foo;
+}
+
+trait B
+{
+	use A;
+
+	/** b */
+	protected $foo;
+}
+
+class C
+{
+	use B;
+
+	/** c */
+	protected $foo;
+}
+
+class D extends C
+{
+	/** d */
+	protected $foo;
+}
+
+
+// Property in class
+Assert::same('D', Reflection::getPropertyDeclaringClass(new \ReflectionProperty('D', 'foo'))->getName());
+
+// Property in class
+Assert::same('C', Reflection::getPropertyDeclaringClass(new \ReflectionProperty('C', 'foo'))->getName());
+
+// Property in trait
+Assert::same('B', Reflection::getPropertyDeclaringClass(new \ReflectionProperty('B', 'foo'))->getName());
+
+// Property in trait
+Assert::same('A', Reflection::getPropertyDeclaringClass(new \ReflectionProperty('A', 'foo'))->getName());