Launcher: java_launch's Windows paths, one part at a time

The log config and old versions' asset folder were joined from "a/b" strings; on Windows their tests compared those mixed separators with paths joined part by part. Join them part by part. Co-Authored-By: Claude Opus 5.5 <[email protected]>
2026-11-08 17:19:10 -10:00 · 2026-10-29 01:23:12 +01:00
1 changed files with 2 additions and 5 deletions
@@ -103,11 +103,8 @@ fn a_modern_version_gets_its_rules_placeholders_and_classpath() {
    assert!(!a.iter().any(|x| x == "--demo" || x == "--width"));
    let sep = if cfg!(windows) { ";" } else { ":" };
    let cp: Vec<String> = a[at("-cp") + 1].split(sep).map(String::from).collect();
-    let lib = |p: &str| {
-        under(&mc.join("libraries"), p)
-            .to_string_lossy()
-            .into_owned()
-    };
+    // Library paths are Mojang's, `/` and all (`mojang::relative`): Windows takes them.
+    let lib = |p: &str| mc.join("libraries").join(p).to_string_lossy().into_owned();
    assert_eq!(
        cp,
        [