test(self-update): add test ensuring resolution of #3739

rust-lang · Apr 12, 2024 · 71b8800 · 71b8800
1 parent e7cfe18
commit 71b8800
Showing 1 changed file with 18 additions and 1 deletion.
diff --git a/tests/suite/cli_self_upd.rs b/tests/suite/cli_self_upd.rs
@@ -304,7 +304,24 @@ info: downloading self-update
             &["rustup", "self", "update"],
             &format!("  rustup updated - {version} (from {version})\n\n",),
             &expected_output,
-        )
+        );
+
+        #[cfg(windows)]
+        {
+            use winreg::{enums::HKEY_CURRENT_USER, RegKey};
+
+            const RUSTUP_UNINSTALL_ENTRY: &str =
+                r"Software\Microsoft\Windows\CurrentVersion\Uninstall\Rustup";
+
+            assert_eq!(
+                RegKey::predef(HKEY_CURRENT_USER)
+                    .open_subkey(RUSTUP_UNINSTALL_ENTRY)
+                    .unwrap()
+                    .get_value("DisplayVersion")
+                    .as_deref(),
+                Ok(version)
+            )
+        }
     });
 }