jdk-24/langtools/test/tools/javac/versions/check.sh

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# @test
# @bug 4981566 5028634 5094412 6304984
# @summary Check interpretation of -target and -source options
# @build CheckClassFileVersion
# @run shell check.sh 

TESTJAVA=${TESTJAVA:?}
TC=${TESTCLASSES-.}

J="$TESTJAVA/bin/java" 
JC="$TESTJAVA/bin/javac" 
CFV="$J ${TESTVMOPTS} -cp $TC CheckClassFileVersion"

rm -f $TC/X.java $TC/X.java
echo 'public class X { }' > $TC/X.java
echo 'public enum Y { }' > $TC/Y.java


# Check class-file versions

check() {
  V=$1; shift
  echo "+ javac $* [$V]"
  $JC ${TESTTOOLVMOPTS} -d $TC $* $TC/X.java && $CFV $TC/X.class $V || exit 2
}

check 48.0 -source 1.4

check 49.0 -source 1.4 -target 1.5
check 49.0 -source 1.5 -target 1.5

check 50.0 -source 1.4 -target 1.6
check 50.0 -source 1.5 -target 1.6
check 50.0 -source 1.6 -target 1.6
check 50.0 -source 1.6 -target 6
check 50.0 -source 6 -target 1.6
check 50.0 -source 6 -target 6

check 51.0
check 51.0 -source 1.5
check 51.0 -source 1.6
check 51.0 -source 6
check 51.0 -source 1.7
check 51.0 -source 7
check 51.0 -target 1.7
check 51.0 -target 7


# Check source versions

fail() {
  echo "+ javac $*"
  if $JC ${TESTTOOLVMOPTS} -d $TC $*; then
    echo "-- did not fail as expected"
    exit 3
  else
    echo "-- failed as expected"
  fi
}

pass() {
  echo "+ javac $*"
  if $JC ${TESTTOOLVMOPTS} -d $TC $*; then
    echo "-- passed"
  else
    echo "-- failed"
    exit 4
  fi
}

# the following need to be updated when -source 7 features are available
checksrc14() { pass $* $TC/X.java; fail $* $TC/Y.java; }
checksrc15() { pass $* $TC/X.java; pass $* $TC/Y.java; }
checksrc16() { checksrc15 $* ; }
checksrc17() { checksrc15 $* ; }

checksrc14 -source 1.4
checksrc14 -source 1.4 -target 1.5

checksrc15 -source 1.5
checksrc15 -source 1.5 -target 1.5

checksrc16 -source 1.6
checksrc16 -source 6
checksrc16 -source 1.6 -target 1.6
checksrc16 -source 6 -target 6

checksrc17
checksrc17 -target 1.7
checksrc17 -target 7
checksrc17 -source 1.7
checksrc17 -source 7
checksrc17 -source 1.7 -target 1.7
checksrc17 -source 7 -target 7

fail -source 1.5 -target 1.4 $TC/X.java
fail -source 1.6 -target 1.4 $TC/X.java
fail -source 6   -target 1.4 $TC/X.java
fail -source 1.6 -target 1.5 $TC/X.java
fail -source 6   -target 1.5 $TC/X.java