From 88ce0d40e7157de13d824de28755a208f30131e4 Mon Sep 17 00:00:00 2001
From: Daniel Imms <2193314+Tyriar@users.noreply.github.com>
Date: Tue, 30 Dec 2025 05:04:20 -0800
Subject: [PATCH] Add unit test for CSI Ps SP @ - SL

Part of #2117
---
 test/playwright/InputHandler.test.ts | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/test/playwright/InputHandler.test.ts b/test/playwright/InputHandler.test.ts
index f7da81c6..0ea900e4 100644
--- a/test/playwright/InputHandler.test.ts
+++ b/test/playwright/InputHandler.test.ts
@@ -29,8 +29,14 @@ test.describe('InputHandler Integration Tests', () => {
       `);
       await pollFor(ctx.page, () => getLinesAsArray(2), [' foo', '    bar']);
     });
-    test.skip('CSI Ps SP @ - SL: Shift left Ps columns(s) (default = 1), ECMA-48', async () => {
-      // TODO: Implement
+    test('CSI Ps SP @ - SL: Shift left Ps columns(s) (default = 1), ECMA-48', async () => {
+      // Default
+      await ctx.proxy.write('abcdefg\x1b[ @');
+      await pollFor(ctx.page, () => getLinesAsArray(1), ['bcdefg']);
+      // Explicit
+      await ctx.proxy.reset();
+      await ctx.proxy.write('abcdefg\x1b[3 @');
+      await pollFor(ctx.page, () => getLinesAsArray(1), ['defg']);
     });
     test('CSI Ps A - CUU: Cursor Up Ps Times (default = 1)', async () => {
       await ctx.page.evaluate(`