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#!/bin/sh
set -e
set -u
# create a temporary working directory
WORKDIR="$(mktemp -d)"
trap "rm -rf $WORKDIR" 0 INT QUIT ABRT PIPE TERM
cd "$WORKDIR"
# create a config file
echo "$WORKDIR/test.img 0x0 0x2000" > fw_env.config
# create the test image file which will hold our environment
touch test.img
# create initial environment from empty default (/dev/null).
# redirect stderr message: Cannot read environment, using default
fw_setenv -c ./fw_env.config -f /dev/null foo bar 2>&1
# write more values to the environment
fw_setenv -c ./fw_env.config lala baba
fw_setenv -c ./fw_env.config apa bepa
# read back values and verify results.
## verify we have 3 rows in total.
ENVROWS="$(fw_printenv -c ./fw_env.config | wc -l)"
if [ "$ENVROWS" != 3 ]; then
echo "Error: expected 3 values in env, but found '$ENVROWS'." >&2
fi
## verify the key foo has value bar
FOO="$(fw_printenv -c ./fw_env.config foo)"
if [ "$FOO" != "foo=bar" ]; then
echo "Error: expected foo=bar, but got '$FOO'." >&2
fi
## verify only fetching value of lala returns baba.
LALA="$(fw_printenv -c ./fw_env.config -n lala)"
if [ "$LALA" != "baba" ]; then
echo "Error: reading lala expected baba, got '$LALA'." >&2
fi
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