From 6103e2ede4b9581e79ec8a23e5831969fbb4d0e8 Mon Sep 17 00:00:00 2001
From: Saleem Abdulrasool <abdulras@thebrowser.company>
Date: Tue, 6 Jun 2023 08:21:33 -0700
Subject: [PATCH] Tests: correct spelling of `/dev/null` on Windows

Windows uses a per-directory `NUL` rather than a global `/dev/null`.
Adjust the test to use the appropriate spelling rather than potentially
seeing a random drive-relative path which may exist as a deletable file.
---
 Tests/Foundation/Tests/TestFileManager.swift | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Tests/Foundation/Tests/TestFileManager.swift b/Tests/Foundation/Tests/TestFileManager.swift
index 33f1d3ec31..b90b5d17a9 100644
--- a/Tests/Foundation/Tests/TestFileManager.swift
+++ b/Tests/Foundation/Tests/TestFileManager.swift
@@ -322,7 +322,11 @@ class TestFileManager : XCTestCase {
         catch { XCTFail("\(error)") }
 
         // test against known undeletable file
+#if os(Windows)
+        XCTAssertFalse(fm.isDeletableFile(atPath: "NUL"))
+#else
         XCTAssertFalse(fm.isDeletableFile(atPath: "/dev/null"))
+#endif
     }
 
     func test_fileAttributes() throws {