diff --git a/tests/uniontypes/__snapshots__/jsfmt.spec.js.snap b/tests/uniontypes/__snapshots__/jsfmt.spec.js.snap
new file mode 100644
index 000000000..065050c78
--- /dev/null
+++ b/tests/uniontypes/__snapshots__/jsfmt.spec.js.snap
@@ -0,0 +1,48 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`union.php 1`] = `
+====================================options=====================================
+parsers: ["php"]
+phpVersion: "8.0"
+printWidth: 80
+                                                                                | printWidth
+=====================================input======================================
+<?php
+function a(int|float $a):int|float {}
+
+class UnionClass {
+    public int|float $v = 0;
+
+    public function __construct(public bool|int $flag) {}
+
+    public function get():bool|int|float {}
+}
+
+interface UnionInterface { function do(string|int $in):string|bool; }
+
+=====================================output=====================================
+<?php
+function a(int|float $a): int|float
+{
+}
+
+class UnionClass
+{
+    public int|float $v = 0;
+
+    public function __construct(public bool|int $flag)
+    {
+    }
+
+    public function get(): bool|int|float
+    {
+    }
+}
+
+interface UnionInterface
+{
+    function do(string|int $in): string|bool;
+}
+
+================================================================================
+`;
diff --git a/tests/uniontypes/union.php b/tests/uniontypes/union.php
new file mode 100644
index 000000000..4b9f387e7
--- /dev/null
+++ b/tests/uniontypes/union.php
@@ -0,0 +1,12 @@
+<?php
+function a(int|float $a):int|float {}
+
+class UnionClass {
+    public int|float $v = 0;
+
+    public function __construct(public bool|int $flag) {}
+
+    public function get():bool|int|float {}
+}
+
+interface UnionInterface { function do(string|int $in):string|bool; }