#!/bin/bash
#
# Assisted s2ram testing
#
# Author: <alan-jenkins@tuffmail.co.uk>
# Released as public domain.
#

touch s2ram.log || (echo "C" exit 1)
# Need a read-write filesystem for logging.
mount / -oremount,rw

# Need swap for s2disk
swapon -a

# Commands are logged to "s2ram.log".  Mark start of run.
echo "--- Starting s2ram test run ---" >> s2ram.log

# Routine to test a set of s2ram options
test-s2ram() {
    echo "Now trying command: s2ram $@"
    echo
    echo "s2ram $@" >> s2ram.log
    s2ram $@ | tee -a s2ram.log || exit 1

    # User: once suspended, hit power button to resume
    # User: if display remains blank then just wait 10 seconds, or hit return

    echo "If you can read this, then suspend succeeded (using the command above)."
    echo "Press Ctrl-C NOW - timeout in 10 seconds"
    read -t 10

    clear
    echo "Assuming display failed to restore (with s2ram $@)"
    echo "Restoring display using s2disk"
    echo
    s2disk | tee -a s2ram.log || exit 1

    # TODO - if s2disk fails?  We want to reboot / shutdown -
    # but init is not running
}

test-s2ram -f
test-s2ram -f -a 3
test-s2ram -f -a 2
test-s2ram -f -a 1
test-s2ram -f -p -m
test-s2ram -f -p -s
test-s2ram -f -m
test-s2ram -f -s
test-s2ram -f -p
test-s2ram -f -a 1 -m
test-s2ram -f -a 1 -s

# Second round - try again with -v
test-s2ram -f -v
test-s2ram -f -v -a 3
test-s2ram -f -v -a 2
test-s2ram -f -v -a 1
test-s2ram -f -v -p -m
test-s2ram -f -v -p -s
test-s2ram -f -v -m
test-s2ram -f -v -s
test-s2ram -f -v -p
test-s2ram -f -v -a 1 -m
test-s2ram -f -v -a 1 -s