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# *****************************************************************************
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# See NOTICE file for details.
#
# *****************************************************************************
import sys
import _jpype
import jpype
from jpype import JImplements, JOverride
from jpype.types import *
import common
class ReferenceQueueTestCase(common.JPypeTestCase):
def setUp(self):
common.JPypeTestCase.setUp(self)
self.refqueue = jpype.JClass(
'org.jpype.ref.JPypeReferenceQueue').getInstance()
def testAccess(self):
# Make sure we can get the instance
self.assertTrue(self.refqueue != None)
def testRunning(self):
# Get the queue instance
self.assertTrue(self.refqueue.isRunning())
def testRefs(self):
# This routine will exercise each of the clean up paths once
fixture = JClass("jpype.common.Fixture")()
def f():
# Create a proxy to test the proxy path
@JImplements("java.util.function.Supplier")
class MySupplier(object):
@JOverride
def get(self):
# Send a Python exc to trigger Python ref path
raise RuntimeError("foo")
try:
u = MySupplier()
fixture.callSupplier(u)
except RuntimeError as ex:
pass
f()
# Force a direct byffer and then trash it
b = bytearray([1, 2, 3])
_jpype.convertToDirectBuffer(b)
# Then force a GC to clean it up
jpype.java.lang.System.gc()
# We can't check the results here as the GC may chose not
# to run which would trigger a failure
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