runtest

#!/bin/bash

success=true
# Echo the line number and result of the last command.
verify () {
    local result=$?
    local frame=($(caller 0))
    local lno=${frame[0]}
    echo -n "$lno: "
    if [ $result -eq 0 ]; then
        echo OK
    else
        echo NG
        success=false
    fi
}

# Dummy functions
dummy1 () {
    echo $*
}
dummy2 () {
    echo $1 $2
}

# Compare the results of two commands passed the same arguments
testargs () {
    local frame=($(caller 0))
    local lno=${frame[0]}
    echo -n "$lno: "
    # replace dummy1 and dummy2
    if [ "`dummy1 $*`" = "`dummy2 $*`" ]; then
        echo OK
        return 0
    else
        echo NG
        return 1
    fi
}


# Test cases
echo "========== Verify result =========="

[ $(( 1 + 1 )) -eq 2 ]; verify

[ "string" = "string" ]; verify

[ "aaa
bbb
ccc" = "aaa
bbb
ccc" ]; verify

[ "aaa" = "bbb" ]; verify # NG

echo "========== Comparison =========="

testargs aaa

testargs aaa bbb

testargs aaa bbb ccc # NG


$success && echo "Done all tests"