From 3fe4e7f96115e8b26115fba600d1ae27021e3850 Mon Sep 17 00:00:00 2001
From: Ildar Khayrutdinov <ildarkhairutdin@gmail.com>
Date: Sat, 3 Jul 2021 13:23:33 +0300
Subject: [PATCH] Test fixes

---
 src/ImageSharp/Formats/Tiff/TiffEncoderCore.cs          | 2 +-
 src/ImageSharp/Formats/Tiff/Writers/TiffStreamWriter.cs | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/ImageSharp/Formats/Tiff/TiffEncoderCore.cs b/src/ImageSharp/Formats/Tiff/TiffEncoderCore.cs
index 3e785f612..b87b927a9 100644
--- a/src/ImageSharp/Formats/Tiff/TiffEncoderCore.cs
+++ b/src/ImageSharp/Formats/Tiff/TiffEncoderCore.cs
@@ -169,7 +169,7 @@ namespace SixLabors.ImageSharp.Formats.Tiff
             long currentOffset = writer.BaseStream.Position;
             foreach ((long, uint) marker in this.frameMarkers)
             {
-                writer.WriteMarker(marker.Item1, marker.Item2);
+                writer.WriteMarkerFast(marker.Item1, marker.Item2);
             }
 
             writer.BaseStream.Seek(currentOffset, SeekOrigin.Begin);
diff --git a/src/ImageSharp/Formats/Tiff/Writers/TiffStreamWriter.cs b/src/ImageSharp/Formats/Tiff/Writers/TiffStreamWriter.cs
index 8c83f41cc..138274d3f 100644
--- a/src/ImageSharp/Formats/Tiff/Writers/TiffStreamWriter.cs
+++ b/src/ImageSharp/Formats/Tiff/Writers/TiffStreamWriter.cs
@@ -125,6 +125,14 @@ namespace SixLabors.ImageSharp.Formats.Tiff.Writers
         /// <param name="offset">The offset returned when placing the marker</param>
         /// <param name="value">The four-byte unsigned integer to write.</param>
         public void WriteMarker(long offset, uint value)
+        {
+            long back = this.BaseStream.Position;
+            this.BaseStream.Seek(offset, SeekOrigin.Begin);
+            this.Write(value);
+            this.BaseStream.Seek(back, SeekOrigin.Begin);
+        }
+
+        public void WriteMarkerFast(long offset, uint value)
         {
             this.BaseStream.Seek(offset, SeekOrigin.Begin);
             this.Write(value);