593 lines
28 KiB
Java
593 lines
28 KiB
Java
/*
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.util.ResourceBundle;
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import java.util.function.Consumer;
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import java.lang.System.Logger.Level;
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import java.util.Arrays;
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import java.util.LinkedList;
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import java.util.Objects;
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import java.util.Queue;
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import java.util.function.Supplier;
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/**
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* @test
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* @bug 8140364
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* @summary Tests the default body of the System.Logger interface.
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* @author danielfuchs
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*/
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public class LoggerInterfaceTest {
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public static class LoggerImpl implements System.Logger {
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public static class LogEvent implements Cloneable {
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Level level;
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ResourceBundle bundle;
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String msg;
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Throwable thrown;
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Object[] params;
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StackTraceElement[] callStack;
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@Override
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protected LogEvent clone() {
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try {
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return (LogEvent)super.clone();
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} catch (CloneNotSupportedException x) {
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throw new RuntimeException(x);
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}
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}
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}
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public static class LogEventBuilder {
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private LogEvent event = new LogEvent();
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public LogEventBuilder level(Level level) {
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event.level = level;
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return this;
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}
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public LogEventBuilder stack(StackTraceElement... stack) {
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event.callStack = stack;
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return this;
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}
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public LogEventBuilder bundle(ResourceBundle bundle) {
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event.bundle = bundle;
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return this;
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}
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public LogEventBuilder msg(String msg) {
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event.msg = msg;
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return this;
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}
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public LogEventBuilder thrown(Throwable thrown) {
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event.thrown = thrown;
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return this;
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}
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public LogEventBuilder params(Object... params) {
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event.params = params;
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return this;
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}
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public LogEvent build() {
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return event.clone();
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}
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public LogEventBuilder clear() {
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event = new LogEvent();
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return this;
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}
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}
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Level level = Level.WARNING;
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Consumer<LogEvent> consumer;
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final LogEventBuilder builder = new LogEventBuilder();
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@Override
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public String getName() {
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return "noname";
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}
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@Override
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public boolean isLoggable(Level level) {
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return level.getSeverity() >= this.level.getSeverity();
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}
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@Override
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public void log(Level level, ResourceBundle bundle, String msg, Throwable thrown) {
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builder.clear().level(level).bundle(bundle).msg(msg).thrown(thrown)
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.stack(new Exception().getStackTrace());
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consumer.accept(builder.build());
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}
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@Override
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public void log(Level level, ResourceBundle bundle, String format, Object... params) {
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builder.clear().level(level).bundle(bundle).msg(format).params(params)
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.stack(new Exception().getStackTrace());
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consumer.accept(builder.build());
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}
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}
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static class Throwing {
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@Override
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public String toString() {
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throw new RuntimeException("should not have been called");
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}
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}
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static class NotTrowing {
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private final String toString;
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private int count = 0;
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public NotTrowing(String toString) {
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this.toString = toString;
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}
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@Override
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public String toString() {
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return toString + "[" + (++count) + "]";
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}
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}
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public static void main(String[] args) {
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final LoggerImpl loggerImpl = new LoggerImpl();
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final System.Logger logger = loggerImpl;
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final Queue<LoggerImpl.LogEvent> events = new LinkedList<>();
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loggerImpl.consumer = (x) -> events.add(x);
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System.out.println("\nlogger.isLoggable(Level)");
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assertTrue(logger.isLoggable(Level.WARNING), "logger.isLoggable(Level.WARNING)"," ");
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assertFalse(logger.isLoggable(Level.INFO), "logger.isLoggable(Level.INFO)", " ");
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System.out.println("\nlogger.log(Level, Object)");
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for (Level l : Level.values()) {
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boolean logged = l.compareTo(Level.WARNING) >= 0;
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Object[][] cases = new Object[][] {
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{null}, {"baz"}
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};
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for (Object[] p : cases) {
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String msg = (String)p[0];
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final Object obj = msg == null ? null : logged ? new NotTrowing(msg) : new Throwing();
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String par1 = msg == null ? "(Object)null"
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: logged ? "new NotTrowing(\""+ msg+"\")" : "new Throwing()";
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System.out.println(" logger.log(" + l + ", " + par1 + ")");
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try {
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logger.log(l, obj);
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if (obj == null) {
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throw new RuntimeException("Expected NullPointerException not thrown for"
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+ " logger.log(" + l + ", " + par1 + ")");
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}
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} catch (NullPointerException x) {
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if (obj == null) {
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System.out.println(" Got expected exception: " + x);
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continue;
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} else {
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throw x;
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}
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}
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LoggerImpl.LogEvent e = events.poll();
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if (logged) {
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assertNonNull(e, "e", " ");
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assertEquals(l, e.level, "e.level", " ");
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assertToString(e.msg, msg, 1, "e.msg", " ");
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assertEquals(e.bundle, null, "e.bundle", " ");
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assertEquals(e.params, null, "e.params", " ");
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assertEquals(e.thrown, null, "e.thrown", " ");
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assertEquals(e.bundle, null, "e.bundle", " ");
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assertEquals(e.callStack[0].getMethodName(), "log",
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"e.callStack[0].getMethodName()", " ");
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assertEquals(e.callStack[0].getClassName(),
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logger.getClass().getName(),
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"e.callStack[0].getClassName() ", " ");
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assertEquals(e.callStack[1].getMethodName(), "log",
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"e.callStack[1].getMethodName()", " ");
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assertEquals(e.callStack[1].getClassName(),
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System.Logger.class.getName(),
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"e.callStack[1].getClassName() ", " ");
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assertEquals(e.callStack[2].getMethodName(), "main",
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"e.callStack[2].getMethodName()", " ");
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} else {
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assertEquals(e, null, "e", " ");
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}
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}
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}
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System.out.println(" logger.log(" + null + ", " +
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"new NotThrowing(\"foobar\")" + ")");
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try {
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logger.log(null, new NotTrowing("foobar"));
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throw new RuntimeException("Expected NullPointerException not thrown for"
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+ " logger.log(" + null + ", "
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+ "new NotThrowing(\"foobar\")" + ")");
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} catch (NullPointerException x) {
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System.out.println(" Got expected exception: " + x);
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}
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System.out.println("\nlogger.log(Level, String)");
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for (Level l : Level.values()) {
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boolean logged = l.compareTo(Level.WARNING) >= 0;
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String par = "bar";
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System.out.println(" logger.log(" + l + ", \"" + par +"\");");
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logger.log(l, par);
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LoggerImpl.LogEvent e = events.poll();
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assertNonNull(e, "e", " ");
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assertEquals(e.level, l, "e.level", " ");
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assertEquals(e.msg, "bar", "e.msg", " ");
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assertEquals(e.bundle, null, "e.bundle", " ");
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assertEquals(e.params, null, "e.params", " ");
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assertEquals(e.thrown, null, "e.thrown", " ");
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assertEquals(e.bundle, null, "e.bundle", " ");
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assertEquals(e.callStack[0].getMethodName(), "log",
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"e.callStack[0].getMethodName()", " ");
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assertEquals(e.callStack[0].getClassName(),
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logger.getClass().getName(),
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"e.callStack[0].getClassName() ", " ");
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assertEquals(e.callStack[1].getMethodName(), "log",
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"e.callStack[1].getMethodName()", " ");
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assertEquals(e.callStack[1].getClassName(),
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System.Logger.class.getName(),
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"e.callStack[1].getClassName() ", " ");
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assertEquals(e.callStack[2].getMethodName(), "main",
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"e.callStack[2].getMethodName()", " ");
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System.out.println(" logger.log(" + l + ", (String)null);");
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logger.log(l, (String)null);
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e = events.poll();
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assertNonNull(e, "e", " ");
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assertEquals(e.level, l, "e.level", " ");
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assertEquals(e.msg, null, "e.msg", " ");
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assertEquals(e.bundle, null, "e.bundle", " ");
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assertEquals(e.params, null, "e.params", " ");
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assertEquals(e.thrown, null, "e.thrown", " ");
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assertEquals(e.bundle, null, "e.bundle", " ");
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assertEquals(e.callStack[0].getMethodName(), "log",
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"e.callStack[0].getMethodName()", " ");
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assertEquals(e.callStack[0].getClassName(),
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logger.getClass().getName(),
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"e.callStack[0].getClassName() ", " ");
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assertEquals(e.callStack[1].getMethodName(), "log",
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"e.callStack[1].getMethodName()", " ");
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assertEquals(e.callStack[1].getClassName(),
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System.Logger.class.getName(),
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"e.callStack[1].getClassName() ", " ");
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assertEquals(e.callStack[2].getMethodName(), "main",
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"e.callStack[2].getMethodName()", " ");
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}
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System.out.println("\nlogger.log(Level, Supplier<String>)");
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for (Level l : Level.values()) {
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boolean logged = l.compareTo(Level.WARNING) >= 0;
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Object[][] cases = new Object[][] {
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{null}, {"baz"}
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};
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for (Object[] p : cases) {
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String msg = (String)p[0];
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final Object obj = msg == null ? null : logged ? new NotTrowing(msg) : new Throwing();
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final Supplier<String> s = msg == null ? null : () -> obj.toString();
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String par1 = msg == null ? "(Supplier<String>)null"
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: logged ? "() -> new NotTrowing(\""+ msg+"\").toString()" : "new Throwing()";
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System.out.println(" logger.log(" + l + ", " + par1 + ")");
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try {
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logger.log(l, s);
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if (s == null) {
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throw new RuntimeException("Expected NullPointerException not thrown for"
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+ " logger.log(" + l + ", " + par1 + ")");
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}
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} catch (NullPointerException x) {
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if (s == null) {
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System.out.println(" Got expected exception: " + x);
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continue;
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} else {
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throw x;
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}
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}
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LoggerImpl.LogEvent e = events.poll();
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if (logged) {
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assertNonNull(e, "e", " ");
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assertEquals(l, e.level, "e.level", " ");
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assertToString(e.msg, msg, 1, "e.msg", " ");
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assertEquals(e.bundle, null, "e.bundle", " ");
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assertEquals(e.params, null, "e.params", " ");
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assertEquals(e.thrown, null, "e.thrown", " ");
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assertEquals(e.bundle, null, "e.bundle", " ");
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assertEquals(e.callStack[0].getMethodName(), "log",
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"e.callStack[0].getMethodName()", " ");
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assertEquals(e.callStack[0].getClassName(),
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logger.getClass().getName(),
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"e.callStack[0].getClassName() ", " ");
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assertEquals(e.callStack[1].getMethodName(), "log",
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"e.callStack[1].getMethodName()", " ");
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assertEquals(e.callStack[1].getClassName(),
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System.Logger.class.getName(),
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"e.callStack[1].getClassName() ", " ");
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assertEquals(e.callStack[2].getMethodName(), "main",
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"e.callStack[2].getMethodName()", " ");
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} else {
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assertEquals(e, null, "e", " ");
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}
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}
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}
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System.out.println(" logger.log(" + null + ", " + "() -> \"biz\"" + ")");
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try {
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logger.log(null, () -> "biz");
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throw new RuntimeException("Expected NullPointerException not thrown for"
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+ " logger.log(" + null + ", "
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+ "() -> \"biz\"" + ")");
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} catch (NullPointerException x) {
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System.out.println(" Got expected exception: " + x);
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}
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System.out.println("\nlogger.log(Level, String, Object...)");
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for (Level l : Level.values()) {
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boolean logged = l.compareTo(Level.WARNING) >= 0;
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String par = "bam";
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Object[] params = null;
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System.out.println(" logger.log(" + l + ", \"" + par +"\", null);");
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logger.log(l, par, params);
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LoggerImpl.LogEvent e = events.poll();
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assertNonNull(e, "e", " ");
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assertEquals(l, e.level, "e.level", " ");
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assertEquals(e.msg, "bam", "e.msg", " ");
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assertEquals(e.bundle, null, "e.bundle", " ");
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assertEquals(e.params, null, "e.params", " ");
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assertEquals(e.thrown, null, "e.thrown", " ");
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assertEquals(e.bundle, null, "e.bundle", " ");
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assertEquals(e.callStack[0].getMethodName(), "log",
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"e.callStack[0].getMethodName()", " ");
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assertEquals(e.callStack[0].getClassName(),
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logger.getClass().getName(),
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"e.callStack[0].getClassName() ", " ");
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assertEquals(e.callStack[1].getMethodName(), "log",
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"e.callStack[1].getMethodName()", " ");
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assertEquals(e.callStack[1].getClassName(),
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System.Logger.class.getName(),
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"e.callStack[1].getClassName() ", " ");
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assertEquals(e.callStack[2].getMethodName(), "main",
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"e.callStack[2].getMethodName()", " ");
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params = new Object[] {new NotTrowing("one")};
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par = "bam {0}";
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System.out.println(" logger.log(" + l + ", \"" + par
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+ "\", new NotTrowing(\"one\"));");
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logger.log(l, par, params[0]);
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e = events.poll();
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assertNonNull(e, "e", " ");
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assertEquals(l, e.level, "e.level", " ");
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assertEquals(e.msg, par, "e.msg", " ");
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assertEquals(e.bundle, null, "e.bundle", " ");
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assertArrayEquals(e.params, params, "e.params", " ");
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assertEquals(e.thrown, null, "e.thrown", " ");
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assertEquals(e.bundle, null, "e.bundle", " ");
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assertEquals(e.callStack[0].getMethodName(), "log",
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"e.callStack[0].getMethodName()", " ");
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assertEquals(e.callStack[0].getClassName(),
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logger.getClass().getName(),
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"e.callStack[0].getClassName() ", " ");
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assertEquals(e.callStack[1].getMethodName(), "log",
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"e.callStack[1].getMethodName()", " ");
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assertEquals(e.callStack[1].getClassName(),
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System.Logger.class.getName(),
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"e.callStack[1].getClassName() ", " ");
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assertEquals(e.callStack[2].getMethodName(), "main",
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"e.callStack[2].getMethodName()", " ");
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params = new Object[] {new NotTrowing("fisrt"), new NotTrowing("second")};
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par = "bam {0} {1}";
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System.out.println(" logger.log(" + l + ", \"" + par
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+ "\", new NotTrowing(\"fisrt\"),"
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+ " new NotTrowing(\"second\"));");
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logger.log(l, par, params[0], params[1]);
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e = events.poll();
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assertNonNull(e, "e", " ");
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assertEquals(l, e.level, "e.level", " ");
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assertEquals(e.msg, par, "e.msg", " ");
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assertEquals(e.bundle, null, "e.bundle", " ");
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assertArrayEquals(e.params, params, "e.params", " ");
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assertEquals(e.thrown, null, "e.thrown", " ");
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assertEquals(e.bundle, null, "e.bundle", " ");
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assertEquals(e.callStack[0].getMethodName(), "log",
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"e.callStack[0].getMethodName()", " ");
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assertEquals(e.callStack[0].getClassName(),
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logger.getClass().getName(),
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"e.callStack[0].getClassName() ", " ");
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assertEquals(e.callStack[1].getMethodName(), "log",
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"e.callStack[1].getMethodName()", " ");
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assertEquals(e.callStack[1].getClassName(),
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System.Logger.class.getName(),
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"e.callStack[1].getClassName() ", " ");
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assertEquals(e.callStack[2].getMethodName(), "main",
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"e.callStack[2].getMethodName()", " ");
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params = new Object[] {new NotTrowing("third"), new NotTrowing("fourth")};
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par = "bam {2}";
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System.out.println(" logger.log(" + l + ", \"" + par
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+ "\", new Object[] {new NotTrowing(\"third\"),"
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+ " new NotTrowing(\"fourth\")});");
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logger.log(l, par, params);
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e = events.poll();
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assertNonNull(e, "e", " ");
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assertEquals(l, e.level, "e.level", " ");
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assertEquals(e.msg, par, "e.msg", " ");
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assertEquals(e.bundle, null, "e.bundle", " ");
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assertArrayEquals(e.params, params, "e.params", " ");
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assertEquals(e.thrown, null, "e.thrown", " ");
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assertEquals(e.bundle, null, "e.bundle", " ");
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assertEquals(e.callStack[0].getMethodName(), "log",
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"e.callStack[0].getMethodName()", " ");
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assertEquals(e.callStack[0].getClassName(), logger.getClass().getName(),
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"e.callStack[0].getClassName() ", " ");
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assertEquals(e.callStack[1].getMethodName(), "log",
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"e.callStack[1].getMethodName()", " ");
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assertEquals(e.callStack[1].getClassName(),
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System.Logger.class.getName(),
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"e.callStack[1].getClassName() ", " ");
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assertEquals(e.callStack[2].getMethodName(), "main",
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"e.callStack[2].getMethodName()", " ");
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}
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System.out.println("\nlogger.log(Level, String, Throwable)");
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for (Level l : Level.values()) {
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boolean logged = l.compareTo(Level.WARNING) >= 0;
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Object[][] cases = new Object[][] {
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{null, null}, {null, new Throwable()}, {"biz", null}, {"boz", new Throwable()}
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};
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for (Object[] p : cases) {
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String msg = (String)p[0];
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Throwable thrown = (Throwable)p[1];
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String par1 = msg == null ? "(String)null" : "\"" + msg + "\"";
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String par2 = thrown == null ? "(Throwable)null" : "new Throwable()";
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|
System.out.println(" logger.log(" + l + ", " + par1 +", " + par2 + ")");
|
|
logger.log(l, msg, thrown);
|
|
LoggerImpl.LogEvent e = events.poll();
|
|
assertNonNull(e, "e", " ");
|
|
assertEquals(e.level, l, "e.level", " ");
|
|
assertEquals(e.msg, msg, "e.msg", " ");
|
|
assertEquals(e.bundle, null, "e.bundle", " ");
|
|
assertEquals(e.params, null, "e.params", " ");
|
|
assertEquals(e.thrown, thrown, "e.thrown", " ");
|
|
assertEquals(e.bundle, null, "e.bundle", " ");
|
|
assertEquals(e.callStack[0].getMethodName(),
|
|
"log", "e.callStack[0].getMethodName()", " ");
|
|
assertEquals(e.callStack[0].getClassName(),
|
|
logger.getClass().getName(),
|
|
"e.callStack[0].getClassName() ", " ");
|
|
assertEquals(e.callStack[1].getMethodName(), "log",
|
|
"e.callStack[1].getMethodName()", " ");
|
|
assertEquals(e.callStack[1].getClassName(),
|
|
System.Logger.class.getName(),
|
|
"e.callStack[1].getClassName() ", " ");
|
|
assertEquals(e.callStack[2].getMethodName(), "main",
|
|
"e.callStack[2].getMethodName()", " ");
|
|
}
|
|
}
|
|
|
|
System.out.println("\nlogger.log(Level, Supplier<String>, Throwable)");
|
|
for (Level l : Level.values()) {
|
|
boolean logged = l.compareTo(Level.WARNING) >= 0;
|
|
Object[][] cases = new Object[][] {
|
|
{null, null}, {null, new Throwable()}, {"biz", null}, {"boz", new Throwable()}
|
|
};
|
|
for (Object[] p : cases) {
|
|
String msg = (String)p[0];
|
|
Throwable thrown = (Throwable)p[1];
|
|
final Object obj = msg == null ? null : logged ? new NotTrowing(msg) : new Throwing();
|
|
final Supplier<String> s = msg == null ? null : () -> obj.toString();
|
|
String par1 = msg == null ? "(Supplier<String>)null"
|
|
: logged ? "() -> new NotTrowing(\""+ msg+"\").toString()" : "new Throwing()";
|
|
String par2 = thrown == null ? "(Throwable)null" : "new Throwable()";
|
|
System.out.println(" logger.log(" + l + ", " + par1 +", " + par2 + ")");
|
|
try {
|
|
logger.log(l, s, thrown);
|
|
if (s== null) {
|
|
throw new RuntimeException("Expected NullPointerException not thrown for"
|
|
+ " logger.log(" + l + ", " + par1 +", " + par2 + ")");
|
|
}
|
|
} catch (NullPointerException x) {
|
|
if (s == null) {
|
|
System.out.println(" Got expected exception: " + x);
|
|
continue;
|
|
} else {
|
|
throw x;
|
|
}
|
|
}
|
|
LoggerImpl.LogEvent e = events.poll();
|
|
if (logged) {
|
|
assertNonNull(e, "e", " ");
|
|
assertEquals(l, e.level, "e.level", " ");
|
|
assertToString(e.msg, msg, 1, "e.msg", " ");
|
|
assertEquals(e.bundle, null, "e.bundle", " ");
|
|
assertEquals(e.params, null, "e.params", " ");
|
|
assertEquals(e.thrown, thrown, "e.thrown", " ");
|
|
assertEquals(e.bundle, null, "e.bundle", " ");
|
|
assertEquals(e.callStack[0].getMethodName(), "log",
|
|
"e.callStack[0].getMethodName()", " ");
|
|
assertEquals(e.callStack[0].getClassName(),
|
|
logger.getClass().getName(),
|
|
"e.callStack[0].getClassName() ", " ");
|
|
assertEquals(e.callStack[1].getMethodName(), "log",
|
|
"e.callStack[1].getMethodName()", " ");
|
|
assertEquals(e.callStack[1].getClassName(),
|
|
System.Logger.class.getName(),
|
|
"e.callStack[1].getClassName() ", " ");
|
|
assertEquals(e.callStack[2].getMethodName(), "main",
|
|
"e.callStack[2].getMethodName()", " ");
|
|
} else {
|
|
assertEquals(e, null, "e", " ");
|
|
}
|
|
}
|
|
}
|
|
System.out.println(" logger.log(" + null + ", " + "() -> \"biz\""
|
|
+ ", " + "new Throwable()" + ")");
|
|
try {
|
|
logger.log(null, () -> "biz", new Throwable());
|
|
throw new RuntimeException("Expected NullPointerException not thrown for"
|
|
+ " logger.log(" + null + ", "
|
|
+ "() -> \"biz\"" + ", "
|
|
+ "new Throwable()" + ")");
|
|
} catch (NullPointerException x) {
|
|
System.out.println(" Got expected exception: " + x);
|
|
}
|
|
|
|
System.out.println("Checking that we have no spurious events in the queue");
|
|
assertEquals(events.poll(), null, "events.poll()", " ");
|
|
}
|
|
|
|
static void assertTrue(boolean test, String what, String prefix) {
|
|
if (!test) {
|
|
throw new RuntimeException("Expected true for " + what);
|
|
}
|
|
System.out.println(prefix + "Got expected " + what + ": " + test);
|
|
}
|
|
static void assertFalse(boolean test, String what, String prefix) {
|
|
if (test) {
|
|
throw new RuntimeException("Expected false for " + what);
|
|
}
|
|
System.out.println(prefix + "Got expected " + what + ": " + test);
|
|
}
|
|
static void assertToString(String actual, String expected, int count, String what, String prefix) {
|
|
assertEquals(actual, expected + "["+count+"]", what, prefix);
|
|
}
|
|
static void assertEquals(Object actual, Object expected, String what, String prefix) {
|
|
if (!Objects.equals(actual, expected)) {
|
|
throw new RuntimeException("Bad " + what + ":"
|
|
+ "\n\t expected: " + expected
|
|
+ "\n\t actual: " + actual);
|
|
}
|
|
System.out.println(prefix + "Got expected " + what + ": " + actual);
|
|
}
|
|
static void assertArrayEquals(Object[] actual, Object[] expected, String what, String prefix) {
|
|
if (!Objects.deepEquals(actual, expected)) {
|
|
throw new RuntimeException("Bad " + what + ":"
|
|
+ "\n\t expected: " + expected == null ? "null" : Arrays.deepToString(expected)
|
|
+ "\n\t actual: " + actual == null ? "null" : Arrays.deepToString(actual));
|
|
}
|
|
System.out.println(prefix + "Got expected " + what + ": " + Arrays.deepToString(actual));
|
|
}
|
|
static void assertNonNull(Object actual, String what, String prefix) {
|
|
if (Objects.equals(actual, null)) {
|
|
throw new RuntimeException("Bad " + what + ":"
|
|
+ "\n\t expected: non null"
|
|
+ "\n\t actual: " + actual);
|
|
}
|
|
System.out.println(prefix + "Got expected " + what + ": " + "non null");
|
|
}
|
|
}
|