#!/bin/sh

# This file produces TAP compliant output

# NOTE:
#   This file can be run directly or with "prove" like this:
#     prove checktests
#   Or like this:
#     prove -v checktests
#   Do not forget to set the compiler if needed like so:
#     CC=my-clang-build prove -v checktests

: ${CC:=clang}
: ${CXX:=$CC}
: ${CFLAGS:=}
LC_ALL=C
export LC_ALL
CPPFLAGS='-O -Wno-unused -include testprefix.h -IBlocksRuntime'
CCFLAGS='-std=c99 -Wimplicit-function-declaration'
LIB=libBlocksRuntime.a
TESTDIR=testbin
rm -rf $TESTDIR
mkdir $TESTDIR
diag () {
  while [ $# != 0 ]; do
    echo '# '"$1"
    shift
  done
}
diagfilt() {
  while read -r LINE; do
    echo '# '"$LINE"
  done
}
usedashs=
diag 'blocksruntime tests' ''
if ! ccver="$("$CC" --version 2>&1)"; then
  echo 'Bail out! '"\"$CC\" not installed (did you forget to set \$CC?)"
  exit 1
else
  out="$( ("$CC" -fblocks -c -o /dev/null -x c - < /dev/null 2>&1 || echo '-fblocks') 2>&1)"
  case "$out" in *"-fblocks"*)
    out="$( ("$CC" -fblocks -S -o /dev/null -x c - < /dev/null 2>&1 || echo '-fblocks') 2>&1)"
    case "$out" in *"-fblocks"*)
      echo 'Bail out! '"\"$CC\" does not support the -fblocks option"
      exit 1
    esac
    usedashs=1
    diag "WARNING: -S required for -fblocks with $CC"
  esac
  ccmach="$("$CC" -dumpmachine 2>/dev/null)"
fi
warnskipcxx=
if cxxver="$("$CXX" --version 2>&1)"; then
  dopp=1
  out="$( ("$CXX" -fblocks -c -o /dev/null -x c - < /dev/null 2>&1 || echo '-fblocks') 2>&1)"
  case "$out" in *"-fblocks"*)
    out="$( ("$CXX" -fblocks -S -o /dev/null -x c - < /dev/null 2>&1 || echo '-fblocks') 2>&1)"
    case "$out" in
    *"-fblocks"*)
      warnskipcxx="\"$CXX\" does not support the -fblocks option; skipping C++ tests"
      dopp=
      ;;
    *)
      usedashs=1
      ;;
    esac
    if [ "$CC" != "$CXX" ]; then
      diag "WARNING: -S required for -fblocks with $CXX"
    fi
  esac
  if [ -n "$dopp" ]; then
    cxxmach="$("$CXX" -dumpmachine 2>/dev/null)"
    cxxdver="$("$CXX" -dumpversion 2>/dev/null)"
  fi
else
  warnskipcxx="\"$CXX\" not installed; skipping C++ tests"
fi
if [ -n "$usedashs" ]; then
  diag ""
fi
if [ -n "$warnskipcxx" ]; then
  diag "$warnskipcxx" ""
fi
if [ ! -r "$LIB" ]; then
  echo 'Bail out! '"No \"$LIB\" file found, try running \"$(dirname "$0")/buildlib\" first"
  exit 1
fi
iscc_clang=
iscxx_clang=
case "$ccver" in *[Cc][Ll][Aa][Nn][Gg]*)
  iscc_clang=1
esac
case "$cxxver" in *[Cc][Ll][Aa][Nn][Gg]*)
  iscxx_clang=1
esac
if [ -n "$iscxx_clang" ]; then case "$cxxdver" in
  "1.1")
    skiprefC=1
esac; fi
iscc_armhf=
iscxx_armhf=
case "$ccmach" in arm-*)
  case "$ccmach" in *abihf)
    iscc_armhf=1
  esac
esac
case "$cxxmach" in arm-*)
  case "$cxxmach" in *abihf)
    iscxx_armhf=1
  esac
esac
diag "CC${iscc_clang:+(clang)}: $CC --version"
echo "$ccver" | diagfilt
diag ''
if [ -n "$dopp" -a z"$CXX" != z"$CC" ]; then
  diag "CXX${iscxx_clang:+(clang)}: $CXX --version"
  echo "$cxxver" | diagfilt
  diag ''
fi
testcount=0
failcount=0
xfailcount=0
bonuscount=0
skipcount=0
skipcpp=0
passcount=0
testsfailed=
for test in BlocksRuntime/tests/*.[cC]; do
  testname="${test#BlocksRuntime/tests/}"
  skip=
  skipdoze=
  extra=
  stub=
  xfail=
  reason=
  showxfail=
  testcount=$(($testcount + 1))
  case $testname in
    rdar6405500.c | \
    rdar6414583.c | \
    objectRRGC.c | \
    dispatch_async.c) skip=1;;
    fail.c) skipdoze=1;;
    macro.c) stub='void foo(); int main(){foo(); printf("success");}';;
    varargs-bad-assign.c | \
    rettypepromotion.c | \
    shorthandexpression.c | \
    k-and-r.c | \
    sizeof.c | \
    orbars.c | \
    constassign.c) xfail=1;;
    copy-block-literal-rdar6439600.c) reason='compiler bug'; showxfail=1; xfail=1;;
    ${iscc_clang}cast.c) reason='gcc compiler bug'; showxfail=1; xfail=1;;
    ${iscxx_clang}josh.C) reason='g++ compiler bug'; showxfail=1; xfail=1;;
    reference.C)
      if [ -n "$skiprefC" ]; then
        reason="\"$CXX\" version too old"
        xfail=1
      fi;;
    variadic.c)
      if [ -n "$iscc_armhf" ]; then
        reason='incorrect clang armhf block float vararg implementation'
        showxfail=1
        xfail=1
      fi;;
  esac
  ext=.c
  cpp=
  USECC="$CC"
  USEFLAGS="$CCFLAGS $CPPFLAGS"
  USELIB="$LIB"
  case $test in
    *.C)   cpp=1; ext=.C;;
    *.cpp) cpp=1; ext=.cpp;;
    *.cp)  cpp=1; ext=.cp;;
    *.c++) cpp=1; ext=.c++;;
  esac
  if [ -n "$cpp" ]; then
    USECC="$CXX"
    USEFLAGS="$CPPFLAGS"
    USELIB="$LIB -lstdc++"
  fi
  if [ -n "$COMSPEC" -a -n "$skipdoze" ]; then
    skip=1
  fi
  if [ -z "$skip" -a -n "$cpp" -a -z "$dopp" ]; then
    echo "ok $testcount - $testname # skipped: C++ with blocks not available"
    skipcpp=$(($skipcpp + 1))
    skipcount=$(($skipcount + 1))
  else
    if [ -n "$skip" ]; then
      if [ -n "$skipdoze" ]; then
        echo "ok $testcount - $testname # skipped: not supported on this platform"
      else
        echo "ok $testcount - $testname # skipped: not supported"
      fi
      skipcount=$(($skipcount + 1))
    else
      if [ -n "$stub" ]; then
        out="$( (
          if [ -z "$usedashs" ]; then
            "$USECC" -c $CFLAGS $USEFLAGS $extra -o $TESTDIR/$(basename $test $ext).o -fblocks $test && \
            echo "$stub" | "$USECC" $CFLAGS $USEFLAGS $extra -o $TESTDIR/$(basename $test $ext) -fblocks \
              $TESTDIR/$(basename $test $ext).o $USELIB -x c - && \
            cd $TESTDIR && ./$(basename $test $ext)
	  else
            "$USECC" -S $CFLAGS $USEFLAGS $extra -o $TESTDIR/$(basename $test $ext).s -fblocks $test && \
            "$USECC" -c $CFLAGS $extra -o $TESTDIR/$(basename $test $ext).o \
	      $TESTDIR/$(basename $test $ext).s && \
            echo "$stub" | "$USECC" $CFLAGS $USEFLAGS $extra -o $TESTDIR/$(basename $test $ext) \
              $TESTDIR/$(basename $test $ext).o $USELIB -x c - && \
            cd $TESTDIR && ./$(basename $test $ext)
	  fi
        ) 2>&1)"
      else
        out="$( (
          if [ -z "$usedashs" ]; then
            "$USECC" -c $CFLAGS $USEFLAGS $extra -o $TESTDIR/$(basename $test $ext).o -fblocks $test && \
            "$USECC" $CFLAGS -o $TESTDIR/$(basename $test $ext) -fblocks $TESTDIR/$(basename $test $ext).o $USELIB && \
            cd $TESTDIR && ./$(basename $test $ext)
	  else
            "$USECC" -S $CFLAGS $USEFLAGS $extra -o $TESTDIR/$(basename $test $ext).s -fblocks $test && \
            "$USECC" -c $CFLAGS $extra -o $TESTDIR/$(basename $test $ext).o \
	      $TESTDIR/$(basename $test $ext).s && \
            "$USECC" $CFLAGS -o $TESTDIR/$(basename $test $ext) $TESTDIR/$(basename $test $ext).o $USELIB && \
            cd $TESTDIR && ./$(basename $test $ext)
	  fi
        ) 2>&1)"
      fi
      result=$?
      if [ -n "$xfail" ]; then
        xfailcount=$(($xfailcount + 1))
        : ${reason:=expected to fail}
        if [ $result = 0 ]; then
          bonuscount=$(($bonuscount + 1))
          passcount=$(($passcount + 1))
          echo "ok $testcount - $testname # TODO: $reason"
        else
          echo "not ok $testcount - $testname # TODO: $reason"
          if [ -n "$showxfail" ]; then
            echo "$out" | diagfilt
          fi
        fi
      else
        if [ $result != 0 ]; then
          testsfailed=1
          failcount=$(($failcount + 1))
          echo "not ok $testcount - $testname"
          echo "$out" | diagfilt
        else
          echo "ok $testcount - $testname"
          passcount=$(($passcount + 1))
        fi
      fi
    fi
  fi
done
diag "" "test count: $testcount"
if [ $bonuscount != 0 ]; then
  diag "    passed: $passcount (todo=$bonuscount)"
else
  diag "    passed: $passcount"
fi
if [ $xfailcount != 0 ]; then
  if [ $bonuscount != 0 ]; then
    diag "     xfail: $xfailcount (passed=$bonuscount)"
  else
    diag "     xfail: $xfailcount"
  fi
fi
if [ $skipcount != 0 ]; then
  if [ $skipcpp != 0 ]; then
    diag "   skipped: $skipcount (C++=$skipcpp)"
  else
    diag "   skipped: $skipcount"
  fi
fi
if [ $failcount != 0 ]; then
  diag "    failed: $failcount"
fi
if [ -n "$testsfailed" ]; then
  diag "test failures occurred"
else
  diag "all tests passed"
fi
diag ""
echo "1..$testcount"
[ -z "$testsfailed" ] || exit 1
exit 0