more tests

Author: staabm

tests/PHPStan/Analyser/nsrt/array-merge-const-non-const.php

@@ -26,3 +26,17 @@ function doFooInts(array $array): void {
 function floatKey(array $array): void {
 	assertType("non-empty-array<string>&hasOffset('a')&hasOffset('c')&hasOffset(3)&hasOffset(4)", array_merge([4.23 => 'd'], $array, ['a' => '1', 3 => 'false', 'c' => 'e']));
 }
+
+function doOptKeys(array $array, array $arr2): void {
+	if (rand(0, 1)) {
+		$array['abc'] = 'def';
+	}
+	assertType("array", array_merge($arr2, $array));
+}
+
+/**
+ * @param array{a?: 1, b: 2} $array
+ */
+function doOptShapeKeys(array $array, array $arr2): void {
+	assertType("non-empty-array&hasOffset('b')", array_merge($arr2, $array));
+}