1 files changed, 26 insertions, 0 deletions
diff --git a/src/pardes.zig b/src/pardes.zig
index f3348ea5..59556649 100644
--- a/src/pardes.zig
+++ b/src/pardes.zig
@@ -1125,6 +1125,32 @@ test "Tty spawns a raw shell in the caller's directory" {
     try std.testing.expect(found);
 }
 
+test "a terminal respawned into a closed pane's slot hangs the old shell up first" {
+    // Hosts keep a shell per slot: were the spawn first, the close would
+    // end the new shell and leave the old one running.
+    const p = try Pardes.init(std.testing.allocator, .{ .tty_only = true, .cols = 100, .rows = 30 });
+    defer p.deinit();
+    try std.testing.expect(p.executeBuiltinLine(0, "Tty"));
+    const slot = p.active;
+    while (p.nextEffect()) |_| {}
+    try p.removePane(slot, null);
+    try std.testing.expect(p.executeBuiltinLine(0, "Tty"));
+    try std.testing.expectEqual(slot, p.active);
+    var closed = false;
+    var spawned = false;
+    while (p.nextEffect()) |effect| switch (effect) {
+        .close_pty => |c| if (c.pane == slot) {
+            try std.testing.expect(!spawned);
+            closed = true;
+        },
+        .spawn => |s| if (s.pane == slot) {
+            spawned = true;
+        },
+        else => {},
+    };
+    try std.testing.expect(closed and spawned);
+}
+
 test "Tty9p marks only the new Linux terminal for a mounted shell" {
     if (comptime !hosted or @import("builtin").os.tag != .linux) return error.SkipZigTest;
     const p = try Pardes.init(std.testing.allocator, .{ .tty_only = true });