Add tests for DumpNativeRule

tests/PHPStan/Rules/Debug/DumpNativeTypeRuleTest.php

@@ -0,0 +1,33 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Rules\Debug;
+
+use PHPStan\Rules\Rule;
+use PHPStan\Testing\RuleTestCase;
+
+/**
+ * @extends RuleTestCase<DumpNativeTypeRule>
+ */
+class DumpNativeTypeRuleTest extends RuleTestCase
+{
+
+	protected function getRule(): Rule
+	{
+		return new DumpNativeTypeRule(self::createReflectionProvider());
+	}
+
+	public function testRule(): void
+	{
+		$this->analyse([__DIR__ . '/data/dump-native-type.php'], [
+			[
+				'Dumped type: non-empty-array',
+				11,
+			],
+			[
+				'Dumped type: array',
+				12,
+			],
+		]);
+	}
+
+}

tests/PHPStan/Rules/Debug/data/dump-native-type.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace PHPStan;
+
+/** @param non-empty-array $b */
+function (array $a, array $b) {
+	if ($a === []) {
+		return;
+	}
+
+	dumpNativeType($a);
+	dumpNativeType($b);
+};