Validation tests for magick pipes
diff --git a/tests/validate-pipe.sh b/tests/validate-pipe.sh
index 77c1453..ccfd302 100755
--- a/tests/validate-pipe.sh
+++ b/tests/validate-pipe.sh
@@ -19,11 +19,33 @@
set -e # Exit on any error
. ${srcdir}/tests/common.sh
-${MAGICK} pnm:- 'null:' < ${REFERENCE_IMAGE}
+${MAGICK} pnm:- null: < ${REFERENCE_IMAGE}
+${MAGICK} pnm:- info: < ${REFERENCE_IMAGE}
${MAGICK} pnm:- miff:- < ${REFERENCE_IMAGE} | ${IDENTIFY} -
-${MAGICK} pnm:- - < ${REFERENCE_IMAGE} | ${IDENTIFY} -
-${MAGICK} - 'null:' < ${REFERENCE_IMAGE}
-${MAGICK} - miff:- < ${REFERENCE_IMAGE} | ${IDENTIFY} -
-${MAGICK} - - < ${REFERENCE_IMAGE} | ${IDENTIFY} -
-${MAGICK} ${REFERENCE_IMAGE} - | ${IDENTIFY} -
-${MAGICK} ${REFERENCE_IMAGE} miff:- | ${IDENTIFY} -
+${MAGICK} pnm:- - < ${REFERENCE_IMAGE} | ${IDENTIFY} -
+${MAGICK} ${REFERENCE_IMAGE} -write null: null:
+${MAGICK} ${REFERENCE_IMAGE} -write info: null:
+${MAGICK} ${REFERENCE_IMAGE} -write miff:- null: | ${IDENTIFY} -
+${MAGICK} ${REFERENCE_IMAGE} -write - null: | ${IDENTIFY} -
+
+# IMv7 "magick" testing
+
+# -exit can be used insted of implicit write
+${MAGICK} ${REFERENCE_IMAGE} -write info: -exit
+# null: does not require an image during write
+${MAGICK} -write null: -exit
+${MAGICK} ${REFERENCE_IMAGE} -write info: +delete null:
+# Using file decriptors (write)
+${MAGICK} ${REFERENCE_IMAGE} fd:6 6>&1 | ${IDENTIFY} -
+# Using file decriptors (read)
+exec 5<${REFERENCE_IMAGE}
+${MAGICK} fd:5 info:
+exec 5<&-
+# pipelined magick script
+echo "-read ${REFERENCE_IMAGE} -write info:" | ${MAGICK} -script -
+# pipelined magick script, input image pre-read
+echo "-write info:" | ${MAGICK} ${REFERENCE_IMAGE} -script -
+# pipelined script from file descriptor, read image from stdin
+echo "-read pnm:- -write info:" |\
+ ${MAGICK} -script fd:5 5<&0 <${REFERENCE_IMAGE}
+