From 0571a8b1c77886ad9a1ec8c5de4c22e5d1ad18c1 Mon Sep 17 00:00:00 2001
From: David Shea <dshea@redhat.com>
Date: Jan 31 2019 12:28:01 +0000
Subject: Use valid images for the test PNG and GIF data


Replace the data in make_png() and make_gif() with small but valid
images from https://github.com/mathiasbynens/small

In the case of PNG in particular, the file command now returns "data"
for a PNG header with no IHDR chunk. The new test data allows make_png
to output files that are still recognizable as PNG.

---

diff --git a/rpmfluff.py b/rpmfluff.py
index 28f6182..a931468 100644
--- a/rpmfluff.py
+++ b/rpmfluff.py
@@ -227,10 +227,14 @@ class BytesAt(FileConstraint):
         dstFile.write(self.values)
 
 def make_png():
-    return [BytesAt(0, b"\x89PNG\x0d\x0a\x1a\x0a")]
+    return [BytesAt(0, b"\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52"
+                       b"\x00\x00\x00\x01\x00\x00\x00\x01\x08\x06\x00\x00\x00\x1f\x15\xc4"
+                       b"\x89\x00\x00\x00\x0a\x49\x44\x41\x54\x78\x9c\x63\x00\x01\x00\x00"
+                       b"\x05\x00\x01\x0d\x0a\x2d\xb4\x00\x00\x00\x00\x49\x45\x4e\x44\xae"
+                       b"\x42\x60\x82")]
 
 def make_gif():
-    return [BytesAt(0, b"GIF8")]
+    return [BytesAt(0, b"GIF89a\x01\x00\x01\x00\x00\x00\x00\x3b")]
 
 def make_elf(bit_format=64):
     """