#!/bin/sh

# the content of SD will be lost by running this test case.

SDHC_DEVICE="/dev/mmcblk0"

if [ -b "$SDHC_DEVICE" ]; then
    echo "PASS: $SDHC_DEVICE device exists"
else
    echo "SKIP: $SDHC_DEVICE does not exist"
    exit 1
fi

mount | grep mmcblk0p1 > /dev/null 2>&1

if [ $? -eq 0 ]; then
    umount $SDHC_DEVICE > /dev/null 2>&1
fi

/sbin/mkfs.ext2 $SDHC_DEVICE > /dev/null 2>&1

if [ $? -ne 0 ]; then
    echo "FAIL: format $SDHC_DEVICE fail"
    exit 1
else
    mkdir -p /mnt/sdhc > /dev/null 2>&1
    mount $SDHC_DEVICE /mnt/sdhc > /dev/null 2>&1
    if [ $? -ne 0 ]; then
        echo "FAIL: mount $SDHC_DEVICE fail"
        exit 1
    else
        cp /bin/busybox /mnt/sdhc > /dev/null 2>&1
        ls /mnt/sdhc |grep busybox > /dev/null 2>&1
        if [ $? -ne 0 ]; then
            echo "FAIL: read or write $SDHC_DEVICE fail"
            exit 1
        else
            umount $SDHC_DEVICE > /dev/null 2>&1
            echo "PASS: read or write $SDHC_DEVICE success"
        fi
    fi
fi