| /* |
| * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.jfr.jvm; |
| |
| import jdk.jfr.internal.JVM; |
| import jdk.jfr.internal.Logger; |
| import jdk.jfr.internal.LogTag; |
| import jdk.jfr.internal.LogLevel; |
| |
| /* |
| * @test TestLogImplementation |
| * @key jfr |
| * @library /test/lib |
| * @modules jdk.jfr/jdk.jfr.internal |
| * @run main/othervm jdk.jfr.jvm.TestLogImplementation |
| */ |
| public class TestLogImplementation { |
| private static LogLevel DEFAULT_TEST_LOG_LEVEL = LogLevel.ERROR; |
| private static LogTag JFR_LOG_TAG = LogTag.JFR; |
| |
| private static void assertAllLevelsForTag(LogTag tag, String message) { |
| for (LogLevel level : LogLevel.values()) { |
| Logger.log(tag, level, message); |
| } |
| } |
| |
| private static void assertAllTagsForLevel(LogLevel level, String message) { |
| for (LogTag tag : LogTag.values()) { |
| Logger.log(tag, level, message); |
| } |
| } |
| |
| public static void main(String... args) { |
| assertEmptyMessageOK(); |
| assertNullMessageOK(); |
| assertAllCharsOK(); |
| assertLargeMessageOK(); |
| assertFormatSpecifierOK(); |
| assertAllLevelOK(); |
| assertLogLevelUnderflow(); |
| assertLogLevelOverflow(); |
| assertLogTagUnderflow(); |
| assertLogTagOverflow(); |
| } |
| |
| private static void assertAllLevelOK() { |
| assertAllLevelsForTag(JFR_LOG_TAG, ""); |
| assertAllTagsForLevel(DEFAULT_TEST_LOG_LEVEL, ""); |
| } |
| |
| private static void assertFormatSpecifierOK() { |
| assertAllTagsForLevel(DEFAULT_TEST_LOG_LEVEL, "%s"); |
| assertAllTagsForLevel(DEFAULT_TEST_LOG_LEVEL, "%n"); |
| assertAllTagsForLevel(DEFAULT_TEST_LOG_LEVEL, "%h"); |
| } |
| |
| private static void assertLargeMessageOK() { |
| StringBuilder large = new StringBuilder(); |
| for (int i = 0; i < 1000 * 1000; i++) { |
| large.append('o'); |
| } |
| Logger.log(JFR_LOG_TAG, DEFAULT_TEST_LOG_LEVEL, large.toString()); |
| } |
| |
| private static void assertAllCharsOK() { |
| char c = Character.MIN_VALUE; |
| StringBuilder large = new StringBuilder(); |
| int logSize = 0; |
| for(int i = Character.MIN_VALUE; i< (int)Character.MAX_VALUE; i++, c++) { |
| large.append(c); |
| logSize++; |
| if (logSize == 80) { |
| Logger.log(JFR_LOG_TAG, DEFAULT_TEST_LOG_LEVEL, large.toString()); |
| large = new StringBuilder(); |
| } |
| } |
| } |
| |
| private static void assertEmptyMessageOK() { |
| assertAllLevelsForTag(JFR_LOG_TAG, ""); |
| } |
| |
| private static void assertNullMessageOK() { |
| assertAllLevelsForTag(JFR_LOG_TAG, (String)null); |
| } |
| |
| private static void assertLogLevelUnderflow() { |
| try { |
| JVM.log(JFR_LOG_TAG.ordinal(), 0, (String)null); |
| } catch (IllegalArgumentException ex) { |
| // Expected |
| } |
| } |
| |
| private static void assertLogLevelOverflow() { |
| try { |
| JVM.log(JFR_LOG_TAG.ordinal(), LogLevel.ERROR.ordinal() + 1, (String)null); |
| } catch (IllegalArgumentException ex) { |
| // Expected |
| } |
| } |
| |
| private static void assertLogTagUnderflow() { |
| try { |
| JVM.log(JFR_LOG_TAG.ordinal() - 1, DEFAULT_TEST_LOG_LEVEL.ordinal(), (String)null); |
| } catch (IllegalArgumentException ex) { |
| // Expected |
| } |
| } |
| |
| // since the enum will grow with new entries, provoking an overflow is problematic |
| // is there a built-in "current max" in a Java enum |
| private static void assertLogTagOverflow() { |
| try { |
| JVM.log(10000, DEFAULT_TEST_LOG_LEVEL.ordinal(), (String)null); |
| } catch (IllegalArgumentException ex) { |
| // Expected |
| } |
| } |
| } |