#!/bin/sh

# Copyright (c) 2013, Google Inc.
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#
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# ---
# Author: Adhemerval Zanella
#
# Runs the tcmalloc_unittest with various environment variables.
# This is necessary because tuning some environment variables
# (TCMALLOC_TRANSFER_NUM_OBJ for instance) should not change program
# behavior, just performance.

BINDIR="${BINDIR:-.}"
TCMALLOC_UNITTEST="${1:-$BINDIR/tcmalloc_unittest}"

TMPDIR=/tmp/tcmalloc_unittest
rm -rf $TMPDIR || exit 2
mkdir $TMPDIR || exit 3

run_unittest() {
    if $TCMALLOC_UNITTEST > $TMPDIR/output 2>&1; then
      echo "OK"
    else
      echo "FAILED"
      echo "Output from the failed run:"
      echo "----"
      cat $TMPDIR/output
      echo "----"
      exit 4
    fi
}

# $1: value of tcmalloc_unittest env. var.
run_check_transfer_num_obj() {
    [ -n "$1" ] && export TCMALLOC_TRANSFER_NUM_OBJ="$1"

    echo -n "Testing $TCMALLOC_UNITTEST with TCMALLOC_TRANSFER_NUM_OBJ=$1 ... "
    run_unittest
}

run_check_transfer_num_obj ""
run_check_transfer_num_obj "40"
run_check_transfer_num_obj "4096"

echo -n "Testing $TCMALLOC_UNITTEST with TCMALLOC_AGGRESSIVE_DECOMMIT=f ... "

TCMALLOC_AGGRESSIVE_DECOMMIT=f run_unittest

echo -n "Testing $TCMALLOC_UNITTEST with TCMALLOC_HEAP_LIMIT_MB=512 ... "

TCMALLOC_HEAP_LIMIT_MB=512 run_unittest

echo -n "Testing $TCMALLOC_UNITTEST with TCMALLOC_ENABLE_SIZED_DELETE=t ..."

TCMALLOC_ENABLE_SIZED_DELETE=t run_unittest

echo "PASS"