| # Compares the parsed EXIF data extracted from test images with the parsed EXIF | |
| # data in the original images. This tests that the tag parsing and writing | |
| # round-trip produces an EXIF structure with the same meaning as the original. | |
| srcdir="${srcdir:-.}" | |
| TMPORIGINAL="$(mktemp)" | |
| TMPEXTRACTED="$(mktemp)" | |
| TMPDATA="$(mktemp)" | |
| trap 'rm -f "${TMPORIGINAL}" "${TMPEXTRACTED}" "${TMPDATA}"' 0 | |
| # Remove the file name, which is a harmless difference between the two outputs. | |
| # Also delete the size of the MakerNote. Since the MakerNote is parsed | |
| # internally and rewritten, it can sometimes have slightly different padding | |
| # and therefore slightly different size, which is a semantically meaningless | |
| # difference. | |
| # FIXME: Not all MakerNote differences are harmless. For example, | |
| # olympus_makernote_variant_4.jpg has a huge size difference, probably because | |
| # of a parsing bug in libexif. This should be investigated. Ideally, this would | |
| # ignore small differences in size but trigger on larger differences. | |
| parse_canonicalize () { | |
| sed \ | |
| -e '/^File /d' \ | |
| -e '/MakerNote (Undefined)$/{N;N;d}' | |
| } | |
| . ${srcdir}/inc-comparetool.sh | |
| # Ensure that names are untranslated | |
| LANG= | |
| LANGUAGE= | |
| LC_ALL=C | |
| export LANG LANGUAGE LC_ALL | |
| for fn in "${srcdir}"/testdata/*.jpg ; do | |
| ./test-parse$EXEEXT "${fn}" | tr -d '\015' | parse_canonicalize > "${TMPORIGINAL}" | |
| ./test-extract$EXEEXT -o "${TMPDATA}" "${fn}" | |
| ./test-parse$EXEEXT "${TMPDATA}" | tr -d '\015' | parse_canonicalize > "${TMPEXTRACTED}" | |
| if ${comparetool} "${TMPORIGINAL}" "${TMPEXTRACTED}"; then | |
| : "no differences detected" | |
| else | |
| echo Error parsing "$fn" | |
| exit 1 | |
| fi | |
| done | |