From 235eebfa9295ef2877321656b35f160d8a3d0b5c Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <m@mitchellh.com>
Date: Sat, 10 Jan 2026 06:55:21 -0800
Subject: [PATCH] terminal: during test, use the testing allocator for pages

---
 src/terminal/PageList.zig | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/terminal/PageList.zig b/src/terminal/PageList.zig
index cd4064445..2acdfc9c3 100644
--- a/src/terminal/PageList.zig
+++ b/src/terminal/PageList.zig
@@ -259,6 +259,9 @@ fn minMaxSize(cols: size.CellCountInt, rows: size.CellCountInt) !usize {
 /// This is the page allocator we'll use for all our underlying
 /// VM page allocations.
 inline fn pageAllocator() Allocator {
+    // In tests we use our testing allocator so we can detect leaks.
+    if (builtin.is_test) return std.testing.allocator;
+
     // On non-macOS we use our standard Zig page allocator.
     if (!builtin.target.os.tag.isDarwin()) return std.heap.page_allocator;