From 0a83040ac88fcfc3bd2dc3a108217dd5f9145e4d Mon Sep 17 00:00:00 2001
From: Simon Lamon <simonlamon93@hotmail.com>
Date: Sun, 31 Jul 2022 07:38:14 +0000
Subject: [PATCH] clearAllMarkers

---
 src/common/buffer/BufferSet.test.ts | 13 +++++++++++++
 src/common/buffer/BufferSet.ts      |  1 +
 2 files changed, 14 insertions(+)

diff --git a/src/common/buffer/BufferSet.test.ts b/src/common/buffer/BufferSet.test.ts
index 894ebb20..a200060f 100644
--- a/src/common/buffer/BufferSet.test.ts
+++ b/src/common/buffer/BufferSet.test.ts
@@ -71,4 +71,17 @@ describe('BufferSet', () => {
       assert.equal(bufferSet.active.y, 10);
     });
   });
+
+  describe('markers', () => {
+    beforeEach(() => {
+    });
+
+    it('should clear the markers when the buffer is switched', () => {
+      bufferSet.activateAltBuffer();
+      bufferSet.alt.addMarker(1);
+      assert.equal(bufferSet.alt.markers.length, 1);
+      bufferSet.activateNormalBuffer();
+      assert.equal(bufferSet.alt.markers.length, 0);
+    });
+  });
 });
diff --git a/src/common/buffer/BufferSet.ts b/src/common/buffer/BufferSet.ts
index de220e8f..7d07cec8 100644
--- a/src/common/buffer/BufferSet.ts
+++ b/src/common/buffer/BufferSet.ts
@@ -83,6 +83,7 @@ export class BufferSet extends Disposable implements IBufferSet {
     // The alt buffer should always be cleared when we switch to the normal
     // buffer. This frees up memory since the alt buffer should always be new
     // when activated.
+    this._alt.clearAllMarkers();
     this._alt.clear();
     this._activeBuffer = this._normal;
     this._onBufferActivate.fire({