From 92cbdd0cb828f7a8f1ca046415ad1bf67215bf3d Mon Sep 17 00:00:00 2001
From: l0ng-ai <24760907+l0ng-ai@users.noreply.github.com>
Date: Sat, 31 Oct 2026 11:29:26 +0800
Subject: [PATCH] test(host): open the file for writing before setting its time
 (#525)

Setting a file's modified time needs a writable handle on Windows, so the JVM icon
cache check in the RPC test failed there.
---
 crates/ide-host/tests/rpc.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/crates/ide-host/tests/rpc.rs b/crates/ide-host/tests/rpc.rs
index 8a5947aa..2455476f 100644
--- a/crates/ide-host/tests/rpc.rs
+++ b/crates/ide-host/tests/rpc.rs
@@ -91,7 +91,12 @@ async fn serves_projects_files_documents_search_and_runs() {
     assert_eq!(icons[1]["presentation"]["kind"], "object");
     // Replacing a file invalidates its cached metadata, including same-size writes.
     std::fs::write(&java, "interface Foo {}     ").unwrap();
-    std::fs::File::open(&java).unwrap().set_modified(std::time::SystemTime::UNIX_EPOCH).unwrap();
+    std::fs::OpenOptions::new()
+        .write(true)
+        .open(&java)
+        .unwrap()
+        .set_modified(std::time::SystemTime::UNIX_EPOCH)
+        .unwrap();
     let icons = invoke(&peer, "jvm_file_presentations", json!({ "paths": [java] })).await.unwrap();
     assert_eq!(icons[0]["presentation"]["kind"], "interface");
     let oversized = invoke(&peer, "jvm_file_presentations", json!({ "paths": vec![java.clone(); 65] })).await;