=== Create image with unknown header extension ===
-Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
magic 0x514649fb
version 2
backing_file_offset 0x0
Header extension:
magic 0x6803f857
-length 0
-data ''
+length 144
+data <binary>
Header extension:
magic 0x12345678
magic 0x514649fb
version 2
-backing_file_offset 0x98
+backing_file_offset 0x128
backing_file_size 0x17
cluster_bits 16
size 67108864
Header extension:
magic 0x6803f857
-length 0
-data ''
+length 144
+data <binary>
Header extension:
magic 0x12345678
=== Create image with unknown header extension ===
-Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
magic 0x514649fb
version 3
backing_file_offset 0x0
Header extension:
magic 0x6803f857
-length 0
-data ''
+length 144
+data <binary>
Header extension:
magic 0x12345678
magic 0x514649fb
version 3
-backing_file_offset 0xb8
+backing_file_offset 0x148
backing_file_size 0x17
cluster_bits 16
size 67108864
Header extension:
magic 0x6803f857
-length 0
-data ''
+length 144
+data <binary>
Header extension:
magic 0x12345678