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#

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# @test

# @bug 4313887 6907737

# @summary Unit test for walkFileTree method

# @build CreateFileTree PrintFileTree SkipSiblings TerminateWalk MaxDepth

# @run shell walk_file_tree.sh

# if TESTJAVA isn't set then we assume an interactive run.

if [ -z "$TESTJAVA" ]; then

    TESTSRC=.

    TESTCLASSES=.

    JAVA=java

else

    JAVA="${TESTJAVA}/bin/java"

fi

OS=`uname -s`

case "$OS" in

    Windows_* | CYGWIN* )

        echo "This test does not run on Windows" 

        exit 0

        ;;

    * )

        CLASSPATH=${TESTCLASSES}:${TESTSRC}

        ;;

esac

export CLASSPATH

# create the file tree

ROOT=`$JAVA CreateFileTree`

if [ $? != 0 ]; then exit 1; fi

failures=0

# print the file tree and compare output with find(1)

$JAVA PrintFileTree "$ROOT" > out1

find "$ROOT" > out2

diff out1 out2

if [ $? != 0 ]; then failures=`expr $failures + 1`; fi

# repeat test following links. Some versions of find(1) output

# cycles (sym links to ancestor directories), other versions do

# not. For that reason we run PrintFileTree with the -printCycles

# option when the output without this option differs to find(1).

find "$ROOT" -follow > out1

$JAVA PrintFileTree -follow "$ROOT" > out2

diff out1 out2

if [ $? != 0 ];

  then 

    # re-run printing cycles to stdout

    $JAVA PrintFileTree -follow -printCycles "$ROOT" > out2

    diff out1 out2

    if [ $? != 0 ]; then failures=`expr $failures + 1`; fi

  fi

# test SKIP_SIBLINGS

$JAVA SkipSiblings "$ROOT"

if [ $? != 0 ]; then failures=`expr $failures + 1`; fi

# test TERMINATE

$JAVA TerminateWalk "$ROOT"

if [ $? != 0 ]; then failures=`expr $failures + 1`; fi

# test maxDepth

$JAVA MaxDepth "$ROOT"

if [ $? != 0 ]; then failures=`expr $failures + 1`; fi

# clean-up

rm -r "$ROOT"

echo ''

if [ $failures -gt 0 ];

  then echo "$failures test(s) failed";

  else echo "Test passed"; fi

exit $failures