Added a few more failure tests to improve test coverage.

test/check-add-tags.sh

@@ -142,6 +142,12 @@ $EXIFEXE --no-fixup --ifd=0 --tag=XResolution --set-value='12 2 3' -o "$dstimg"
 check_result
 append_image
 
+echo Create invalid ASCII--too large
+$EXIFEXE --no-fixup --ifd=0 --tag=ImageDescription --set-value="`printf '%66000s' foo`" -o "$dstimg" "$srcimg" >/dev/null
+test "$?" -eq 1
+check_result
+append_image
+
 # Check the resulting EXIF file
 $EXIFEXE -m -i "$srcimg" >"$tmpfile"
 "$DIFFEXE" - "$tmpfile" <<EOF

test/check-show-description.sh

@@ -10,55 +10,66 @@ LANG=C; export LANG
 LANGUAGE=C; export LANGUAGE
 
 echo Test tag 1 using text name
-$EXIFEXE --ifd=Interoperability --tag=InteroperabilityIndex --show-description > "$tmpfile"
+$EXIFEXE --ifd=Interoperability --tag=InteroperabilityIndex --show-description > "$tmpfile" 2>&1
 test $? -eq 0 || { echo Incorrect return code; exit 1; }
 $DIFFEXE - "$tmpfile" <<EOF
 Tag 'Interoperability Index' (0x0001, 'InteroperabilityIndex'): Indicates the identification of the Interoperability rule. Use "R98" for stating ExifR98 Rules. Four bytes used including the termination code (NULL). see the separate volume of Recommended Exif Interoperability Rules (ExifR98) for other tags used for ExifR98.
 EOF
 test $? -eq 0 || exit 1
 
 echo Test tag with same number but different IFD using short option names
-$EXIFEXE --ifd GPS -t1 -s > "$tmpfile"
+$EXIFEXE --ifd GPS -t1 -s > "$tmpfile" 2>&1
 test $? -eq 0 || { echo Incorrect return code; exit 1; }
 $DIFFEXE - "$tmpfile" <<EOF
 Tag 'North or South Latitude' (0x0001, 'GPSLatitudeRef'): Indicates whether the latitude is north or south latitude. The ASCII value 'N' indicates north latitude, and 'S' is south latitude.
 EOF
 test $? -eq 0 || exit 1
 
 echo Test tag of 0
-$EXIFEXE --ifd=GPS --tag=0 --show-description > "$tmpfile"
+$EXIFEXE --ifd=GPS --tag=0 --show-description > "$tmpfile" 2>&1
 test $? -eq 0 || { echo Incorrect return code; exit 1; }
 $DIFFEXE - "$tmpfile" <<EOF
 Tag 'GPS Tag Version' (0x0000, 'GPSVersionID'): Indicates the version of <GPSInfoIFD>. The version is given as 2.0.0.0. This tag is mandatory when <GPSInfo> tag is present. (Note: The <GPSVersionID> tag is given in bytes, unlike the <ExifVersion> tag. When the version is 2.0.0.0, the tag value is 02000000.H).
 EOF
 test $? -eq 0 || exit 1
 
 echo Test --machine-readable using hexadecimal tag
-$EXIFEXE --ifd=1 --tag=0x103 --show-description --machine-readable > "$tmpfile"
+$EXIFEXE --ifd=1 --tag=0x103 --show-description --machine-readable > "$tmpfile" 2>&1
 test $? -eq 0 || { echo Incorrect return code; exit 1; }
 $DIFFEXE - "$tmpfile" <<EOF
 0x0103	Compression	Compression	The compression scheme used for the image data. When a primary image is JPEG compressed, this designation is not necessary and is omitted. When thumbnails use JPEG compression, this tag value is set to 6.
 EOF
 test $? -eq 0 || exit 1
 
 echo Test tag with number not in IFD
-$EXIFEXE --ifd=EXIF --tag=1 --show-description > "$tmpfile"
+$EXIFEXE --ifd=EXIF --tag=1 --show-description > "$tmpfile" 2>&1
 test $? -eq 1 || { echo Incorrect return code; exit 1; }
 $DIFFEXE - "$tmpfile" <<EOF
+Unknown Tag
 EOF
 test $? -eq 0 || exit 1
 
 echo Test tag with number > 65535
-$EXIFEXE --ifd=GPS --tag=65537 --show-description > "$tmpfile"
+$EXIFEXE --ifd=GPS --tag=65537 --show-description > "$tmpfile" 2>&1
 test $? -eq 1 || { echo Incorrect return code; exit 1; }
 $DIFFEXE - "$tmpfile" <<EOF
+Unknown Tag
+EOF
+test $? -eq 0 || exit 1
+
+echo Test invalid tag name
+$EXIFEXE --ifd=0 --tag=Xyzzy --show-description > "$tmpfile" 2>&1
+test $? -eq 1 || { echo Incorrect return code; exit 1; }
+$DIFFEXE - "$tmpfile" <<EOF
+Invalid tag 'Xyzzy'!
 EOF
 test $? -eq 0 || exit 1
 
 echo Test tag with invalid IFD
-$EXIFEXE --ifd=XYZZY --tag=0x100 --show-description > "$tmpfile"
+$EXIFEXE --ifd=XYZZY --tag=0x100 --show-description > "$tmpfile" 2>&1
 test $? -eq 1 || { echo Incorrect return code; exit 1; }
 $DIFFEXE - "$tmpfile" <<EOF
+Invalid IFD 'XYZZY'. Valid IFDs are '0', '1', 'EXIF', 'GPS', and 'Interoperability'.
 EOF
 test $? -eq 0 || exit 1
 

test/check-thumbnail.sh

@@ -135,6 +135,14 @@ Pixel Y Dimension   |0
 EOF
 test $? -eq 0 || exit 1
 
+echo Extract thumbnail from file without thumbnail
+$EXIFEXE --extract-thumbnail --output="$tmpimg" "$tmpimg2" > "$tmpfile" 2>&1
+test $? -eq 1 || { echo Incorrect return code; exit 1; }
+$DIFFEXE - "$tmpfile" <<EOF
+'check-thumbnail-image2.jpg' does not contain a thumbnail!
+EOF
+test $? -eq 0 || exit 1
+
 echo Remove thumbnail on file without thumbnail
 $EXIFEXE --remove-thumbnail --output="$tmpimg" "$tmpimg2" 2>&1 | sed -e "/Date and Time/s/|.*$/|/" > "$tmpfile"
 test $? -eq 0 || { echo Incorrect return code; exit 1; }