diff --git a/tests/results.txt b/tests/results.txt
index feae4fe25..5c7d66c26 100644
--- a/tests/results.txt
+++ b/tests/results.txt
@@ -95,3 +95,5 @@ T_244iconv_missing_character:3999d4e77017cb377326d3ffe0a51421:passed:20081004-21
 T_245srt_timecode_formats:a7558db4aa3a35ab7feca3cc4c3d3dd2-a7558db4aa3a35ab7feca3cc4c3d3dd2:passed:20081202-141604
 T_246theora_pixel_aspect_ratio:eee3719dcb42836902e4bdb39f707af5:passed:20081205-174857
 T_247attachment_selection:badd2cac568f3e32389fb9a5e0d4417d-55f9f1a1a8dcba10cce9062f2caf1e72-85d244d8c127a7be57ff9d0768a2de8d-88e30d592221ee92ab1d195c8412729e+404b98330dc2459c67bbe2894e8bea80:passed:20090228-191612
+T_248mpeg2:58d21cac790b14e0046a9b50fed90c07-54f9d6b6351edaabe0e37e17f6d760d3:passed:20090531-132819
+T_249mpeg2_no_codecprivate:f6eb358c3c749859ed98f75f7496ab5f:passed:20090531-132821
diff --git a/tests/test-248mpeg2.rb b/tests/test-248mpeg2.rb
new file mode 100644
index 000000000..654ea2467
--- /dev/null
+++ b/tests/test-248mpeg2.rb
@@ -0,0 +1,15 @@
+#!/usr/bin/ruby -w
+
+class T_248mpeg2 < Test
+  def description
+    return "mkvmerge / MPEG-1/2 video files / in(M2V)"
+  end
+
+  def run
+    merge("data/mpeg12/1080i60.m2v")
+    hash = hash_tmp
+    merge("data/mpeg12/changing_sequence_headers.m2v")
+    return hash + "-" + hash_tmp
+  end
+end
+
diff --git a/tests/test-249mpeg2_no_codecprivate.rb b/tests/test-249mpeg2_no_codecprivate.rb
new file mode 100644
index 000000000..b47fdaf8a
--- /dev/null
+++ b/tests/test-249mpeg2_no_codecprivate.rb
@@ -0,0 +1,13 @@
+#!/usr/bin/ruby -w
+
+class T_249mpeg2_no_codecprivate < Test
+  def description
+    return "mkvmerge / MPEG-1/2 video sequence header extraction for missing CodecPrivate / in(MKV)"
+  end
+
+  def run
+    merge("data/mpeg12/mpeg2_no_codecprivate.mkv")
+    return hash_tmp
+  end
+end
+