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test/tools/javac/7142086/T7142086.java@0b6cc4ea670f (annotated)

test/tools/javac/7142086/T7142086.java

Wed, 13 Aug 2014 14:50:00 -0700

author

katleman

date

Wed, 13 Aug 2014 14:50:00 -0700

changeset 2549

0b6cc4ea670f

parent 0

959103a6100f

permissions

-rw-r--r--

Added tag jdk8u40-b01 for changeset bf89a471779d

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/*
aoqi@0	25	* @test
aoqi@0	26	* @bug 7142086
aoqi@0	27	* @summary performance problem in Check.checkOverrideClashes(...)
aoqi@0	28	* @run main/timeout=10 T7142086
aoqi@0	29	*/
aoqi@0	30
aoqi@0	31	import com.sun.source.util.JavacTask;
aoqi@0	32	import java.net.URI;
aoqi@0	33	import java.util.List;
aoqi@0	34	import java.util.ArrayList;
aoqi@0	35	import java.util.Locale;
aoqi@0	36	import javax.tools.Diagnostic;
aoqi@0	37	import javax.tools.JavaCompiler;
aoqi@0	38	import javax.tools.JavaFileObject;
aoqi@0	39	import javax.tools.SimpleJavaFileObject;
aoqi@0	40	import javax.tools.StandardJavaFileManager;
aoqi@0	41	import javax.tools.ToolProvider;
aoqi@0	42
aoqi@0	43	public class T7142086 {
aoqi@0	44
aoqi@0	45	final static int N_METHODS = 1000;
aoqi@0	46
aoqi@0	47	static class TestClass extends SimpleJavaFileObject {
aoqi@0	48
aoqi@0	49	String methTemplate = "abstract void m(A#N p);";
aoqi@0	50	String classTemplate = "abstract class Test { #M }";
aoqi@0	51
aoqi@0	52	String source;
aoqi@0	53
aoqi@0	54	public TestClass() {
aoqi@0	55	super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
aoqi@0	56	StringBuilder buf = new StringBuilder();
aoqi@0	57	for (int i = 0 ; i < N_METHODS ; i++) {
aoqi@0	58	buf.append(methTemplate.replace("#N", String.valueOf(i)));
aoqi@0	59	buf.append("\n");
aoqi@0	60	}
aoqi@0	61	source = classTemplate.replace("#M", buf.toString());
aoqi@0	62	}
aoqi@0	63
aoqi@0	64	@Override
aoqi@0	65	public CharSequence getCharContent(boolean ignoreEncodingErrors) {
aoqi@0	66	return source;
aoqi@0	67	}
aoqi@0	68	}
aoqi@0	69
aoqi@0	70	static class AnSource extends SimpleJavaFileObject {
aoqi@0	71
aoqi@0	72	String classTemplate = "abstract class A#N { }";
aoqi@0	73
aoqi@0	74	String source;
aoqi@0	75
aoqi@0	76	public AnSource(int n) {
aoqi@0	77	super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
aoqi@0	78	source = classTemplate.replace("#N", String.valueOf(n));
aoqi@0	79	}
aoqi@0	80
aoqi@0	81	@Override
aoqi@0	82	public CharSequence getCharContent(boolean ignoreEncodingErrors) {
aoqi@0	83	return source;
aoqi@0	84	}
aoqi@0	85	}
aoqi@0	86
aoqi@0	87	public static void main(String... args) throws Exception {
aoqi@0	88	ArrayList<JavaFileObject> sources = new ArrayList<>();
aoqi@0	89	for (int i = 0 ; i < N_METHODS ; i++) {
aoqi@0	90	sources.add(new AnSource(i));
aoqi@0	91	}
aoqi@0	92	sources.add(new TestClass());
aoqi@0	93	new T7142086().run(sources);
aoqi@0	94	}
aoqi@0	95
aoqi@0	96	void run(List<JavaFileObject> sources) throws Exception {
aoqi@0	97	DiagnosticChecker dc = new DiagnosticChecker();
aoqi@0	98	JavaCompiler comp = ToolProvider.getSystemJavaCompiler();
aoqi@0	99	StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null);
aoqi@0	100	JavacTask ct = (JavacTask)comp.getTask(null, fm, dc,
aoqi@0	101	null, null, sources);
aoqi@0	102	ct.analyze();
aoqi@0	103	}
aoqi@0	104
aoqi@0	105	static class DiagnosticChecker implements javax.tools.DiagnosticListener<JavaFileObject> {
aoqi@0	106
aoqi@0	107	boolean errorFound;
aoqi@0	108
aoqi@0	109	public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
aoqi@0	110	if (diagnostic.getKind() == Diagnostic.Kind.ERROR) {
aoqi@0	111	throw new AssertionError("unexpected diagnostic: " + diagnostic.getMessage(Locale.getDefault()));
aoqi@0	112	}
aoqi@0	113	}
aoqi@0	114	}
aoqi@0	115	}