LOG4J2-1412 added test that Unbox ringbuffer size is configurable
Project: http://git-wip-us.apache.org/repos/asf/logging-log4j2/repo Commit: http://git-wip-us.apache.org/repos/asf/logging-log4j2/commit/739f8f39 Tree: http://git-wip-us.apache.org/repos/asf/logging-log4j2/tree/739f8f39 Diff: http://git-wip-us.apache.org/repos/asf/logging-log4j2/diff/739f8f39 Branch: refs/heads/LOG4J2-1395 Commit: 739f8f3916dda72916fe9eda1a1385ea0a3aac1a Parents: 9bc15f0 Author: rpopma <[email protected]> Authored: Mon Jun 6 22:10:15 2016 +0900 Committer: rpopma <[email protected]> Committed: Mon Jun 6 22:10:15 2016 +0900 ---------------------------------------------------------------------- .../log4j/util/UnboxConfigurableTest.java | 67 ++++++++++++++++++++ 1 file changed, 67 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/739f8f39/log4j-api/src/test/java/org/apache/logging/log4j/util/UnboxConfigurableTest.java ---------------------------------------------------------------------- diff --git a/log4j-api/src/test/java/org/apache/logging/log4j/util/UnboxConfigurableTest.java b/log4j-api/src/test/java/org/apache/logging/log4j/util/UnboxConfigurableTest.java new file mode 100644 index 0000000..30d6ddc --- /dev/null +++ b/log4j-api/src/test/java/org/apache/logging/log4j/util/UnboxConfigurableTest.java @@ -0,0 +1,67 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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. + */ +package org.apache.logging.log4j.util; + +import org.junit.AfterClass; +import org.junit.BeforeClass; +import org.junit.Test; + +import static org.junit.Assert.*; + +/** + * Tests that the Unbox ring buffer size is configurable. + * Must be run in a separate process as the other UnboxTest or the last-run test will fail. + */ +public class UnboxConfigurableTest { + @BeforeClass + public static void beforeClass() { + System.setProperty("log4j.unbox.ringbuffer.size", "65"); + } + + @AfterClass + public static void afterClass() { + System.clearProperty("log4j.unbox.ringbuffer.size"); + } + + @Test + public void testBoxConfiguredTo128Slots() throws Exception { + // next power of 2 that is 65 or more + assertEquals(128, Unbox.getRingbufferSize()); + } + + @Test + public void testBoxSuccessfullyConfiguredTo128Slots() throws Exception { + final int MAX = 128; + final StringBuilder[] probe = new StringBuilder[MAX * 3]; + for (int i = 0; i <= probe.length - 8; ) { + probe[i++] = Unbox.box(true); + probe[i++] = Unbox.box('c'); + probe[i++] = Unbox.box(Byte.MAX_VALUE); + probe[i++] = Unbox.box(Double.MAX_VALUE); + probe[i++] = Unbox.box(Float.MAX_VALUE); + probe[i++] = Unbox.box(Integer.MAX_VALUE); + probe[i++] = Unbox.box(Long.MAX_VALUE); + probe[i++] = Unbox.box(Short.MAX_VALUE); + } + for (int i = 0; i < probe.length - MAX; i++) { + assertSame("probe[" + i +"], probe[" + (i + MAX) +"]", probe[i], probe[i + MAX]); + for (int j = 1; j < MAX - 1; j++) { + assertNotSame("probe[" + i +"], probe[" + (i + j) +"]", probe[i], probe[i + j]); + } + } + } +} \ No newline at end of file
