From 6d3c1985e07dfa28ae14de5bf36c711bdfc9176d Mon Sep 17 00:00:00 2001
From: Andrew Murray <radarhere@users.noreply.github.com>
Date: Wed, 29 Mar 2023 22:18:14 +1100
Subject: [PATCH] Assert false instead of raising an error

---
 Tests/test_file_jpeg2k.py | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/Tests/test_file_jpeg2k.py b/Tests/test_file_jpeg2k.py
index 52e9f8853..b6e8215f7 100644
--- a/Tests/test_file_jpeg2k.py
+++ b/Tests/test_file_jpeg2k.py
@@ -418,8 +418,7 @@ def test_plt_marker():
     while True:
         marker = out.read(2)
         if not marker:
-            # End of steam encountered and no PLT or SOD
-            break
+            assert False, "End of stream without PLT"
 
         jp2_boxid = _binary.i16be(marker)
         if jp2_boxid == 0xFF4F:
@@ -429,12 +428,8 @@ def test_plt_marker():
             # PLT
             return
         elif jp2_boxid == 0xFF93:
-            # SOD without finding PLT first
-            break
+            assert False, "SOD without finding PLT first"
 
         hdr = out.read(2)
         length = _binary.i16be(hdr)
         out.seek(length - 2, os.SEEK_CUR)
-
-    # PLT wasn't found
-    raise ValueError