1 files changed, 18 insertions, 0 deletions
diff --git a/src/ninep/ctl.zig b/src/ninep/ctl.zig
index fbda6113..6631e5f9 100644
--- a/src/ninep/ctl.zig
+++ b/src/ninep/ctl.zig
@@ -2088,6 +2088,24 @@ test "a bad event record says what is wrong with it" {
     _ = call(p, .{ .tag = 3, .op = .release, .node = event, .handle = h });
 }
 
+test "a column takes panes until their documented minimums fill it, not until none can be halved" {
+    const p = try Pardes.init(testing.allocator, .{ .tty_only = true, .cols = 160, .rows = 50 });
+    defer p.deinit();
+    while (p.nextEffect()) |_| {}
+    const new = @intFromEnum(tree.TopFile.new);
+    while (call(p, .{ .tag = 1, .op = .open, .node = new }).reply.status == .ok) p.sync();
+    p.sync();
+    const avail = p.screen_h - (p.topBarHeight() + p.columnBarHeight());
+    for (0..p.ncol) |c| {
+        var need: u32 = 0;
+        for (p.col_panes[c][0..p.col_n[c]]) |k| need += layout.minRows(p, k);
+        // Refused only when one more pane's tag and two rows would not fit.
+        if (p.col_n[c] > 1) try testing.expect(avail - need < 3);
+        // Every pane keeps its minimum.
+        for (p.col_panes[c][0..p.col_n[c]]) |k| try testing.expect(p.rects[k].h >= layout.minRows(p, k));
+    }
+}
+
 test "size is monotonic: growing is never refused, and a size once taken is taken again" {
     const p = try Pardes.init(testing.allocator, .{ .tty_only = true, .cols = 160, .rows = 60 });
     defer p.deinit();