#!/bin/sh

# Test that nvm_get_default_packages awk patterns work with mawk
# This test runs with mawk explicitly if available, to catch POSIX
# character class compatibility issues (mawk doesn't support [[:space:]])

die () { echo "$@" ; cleanup ; exit 1; }

\. ../../../nvm.sh

# The awk command from nvm_get_default_packages
AWK_SCRIPT='
  /^[ \t]*#/ { next }
  /^[ \t]*$/ { next }
  /[ \t]/ && !/^[ \t]*#/ {
    print "error" > "/dev/stderr"
    exit 1
  }
  {
    if (NR > 1 && !prev_space) printf " "
    printf "%s", $0
    prev_space = 0
  }
'

TEST_INPUT="rimraf
object-inspect@1.0.2

# commented-package

stevemao/left-pad"

EXPECTED_OUTPUT="rimraf object-inspect@1.0.2 stevemao/left-pad"

# Test with system awk
OUTPUT="$(printf '%s\n' "${TEST_INPUT}" | awk "${AWK_SCRIPT}")"
[ "${OUTPUT}" = "${EXPECTED_OUTPUT}" ] || die "system awk: expected >${EXPECTED_OUTPUT}<, got >${OUTPUT}<"

# Test with mawk explicitly if available
if command -v mawk > /dev/null 2>&1; then
  OUTPUT="$(printf '%s\n' "${TEST_INPUT}" | mawk "${AWK_SCRIPT}")"
  [ "${OUTPUT}" = "${EXPECTED_OUTPUT}" ] || die "mawk: expected >${EXPECTED_OUTPUT}<, got >${OUTPUT}<"
  echo "mawk test passed"
else
  echo "mawk not available, skipping mawk-specific test"
fi

# Test with gawk explicitly if available
if command -v gawk > /dev/null 2>&1; then
  OUTPUT="$(printf '%s\n' "${TEST_INPUT}" | gawk "${AWK_SCRIPT}")"
  [ "${OUTPUT}" = "${EXPECTED_OUTPUT}" ] || die "gawk: expected >${EXPECTED_OUTPUT}<, got >${OUTPUT}<"
  echo "gawk test passed"
else
  echo "gawk not available, skipping gawk-specific test"
fi

echo "All awk compatibility tests passed"