Simple test

test.sh

@@ -0,0 +1,43 @@
+#!/usr/env/bin bash
+
+set -e
+
+DISKFILE="/tmp/disk.img"
+BINFILE="/tmp/file.bin"
+LOOPNUM=$((RANDOM % 156 + 100))
+LOOPDEV="/dev/loop${LOOPNUM}"
+
+echo "Using device: ${LOOPDEV}"
+
+cleanup() {
+    echo "Cleaning up..."
+    set +e
+    sudo losetup -d ${LOOPDEV}
+    sudo rm ${LOOPDEV}
+    sudo rm ${BINFILE} ${DISKFILE}
+}
+
+trap cleanup EXIT INT TERM
+
+if losetup ${LOOPDEV} >/dev/null 2>&1; then
+    echo "${LOOPDEV} already in use" >&2
+    cleanup
+    exit 1
+fi
+
+if [ ! -f ${DISKFILE} ]; then
+    dd if=/dev/zero of=${DISKFILE} bs=1M count=256
+fi
+
+if [ ! -f ${BINFILE} ]; then
+    dd if=/dev/urandom of=${BINFILE} bs=1M count=64
+fi
+
+if [ ! -e ${LOOPDEV} ]; then
+    sudo losetup ${LOOPDEV} ${DISKFILE}
+fi
+
+sudo ./writeimg -nd ${LOOPDEV} ${BINFILE}
+sudo ./writeimg -vnd ${LOOPDEV} ${BINFILE}
+
+echo "Looks good!"