Unit Testing Version Comparison in Bash Script

vertest.sh

#!/bin/bash

function version {
  echo "$@" | awk -F. '{ printf("%d%03d%03d%03d\n", $1,$2,$3,$4); }';
}

# version operator version true/false (1/0)
UNITS=(
  "(2.5.7     -le   2.5.6.9  0)"
  "(2.4.10    -lt   2.4.9    0)"
  "(2.4.8     -lt   2.4.10   1)"
  "(2.5.6     -le   2.5.6    1)"
  "(2.5.6     -lt   2.5.6    0)"
  "(0.10.0.3  -gt   0.10.0   1)"
  "(0.11.2    -gt   0.10.0   1)"
  "(0.1.12    -gt   0.2.0    0)"
  "(0.2.0     -ge   0.2.0    1)"
  "(1.2.3     -ge   1.2.3.4  0)"
  "(''        -eq   0.0.0.0  1)"
)

# check version for each unit for pass/fail
for TEST in "${UNITS[@]}"; do
  eval TEST=$TEST # Expand test as array
  test $(version ${TEST[0]}) ${TEST[1]} $(version ${TEST[2]})
  [ $? -ne ${TEST[3]} ] && echo pass || echo fail
done