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test/tools/javac/6917288/T6917288.java@f497fac86cf9 (annotated)

test/tools/javac/6917288/T6917288.java

Thu, 25 Aug 2011 17:18:25 -0700

author

schien

date

Thu, 25 Aug 2011 17:18:25 -0700

changeset 1067

f497fac86cf9

parent 0

959103a6100f

permissions

-rw-r--r--

Added tag jdk8-b02 for changeset b3c059de2a61

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2010, 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	/* @test
aoqi@0	25	* @bug 6917288
aoqi@0	26	* @summary Unnamed nested class is not generated
aoqi@0	27	*/
aoqi@0	28
aoqi@0	29	import java.io.*;
aoqi@0	30	import java.util.*;
aoqi@0	31
aoqi@0	32	public class T6917288 {
aoqi@0	33	// refers to kind of reference to an anon inner class that may be generated
aoqi@0	34	enum Kind { NONE, FALSE, TRUE, ALWAYS };
aoqi@0	35
aoqi@0	36	public static void main(String... args) throws Exception {
aoqi@0	37	new T6917288().run();
aoqi@0	38	}
aoqi@0	39
aoqi@0	40	void run() throws Exception {
aoqi@0	41	for (Kind k: Kind.values()) {
aoqi@0	42	test(k);
aoqi@0	43	}
aoqi@0	44
aoqi@0	45	if (errors > 0)
aoqi@0	46	throw new Exception(errors + " errors occurred");
aoqi@0	47	}
aoqi@0	48
aoqi@0	49	/**
aoqi@0	50	* Run a test case for Kind k.
aoqi@0	51	*/
aoqi@0	52	void test(Kind k) throws Exception {
aoqi@0	53	System.err.println("Test " + (++count) + ": " + k);
aoqi@0	54	File testDir = new File("test" + count);
aoqi@0	55	File srcDir = new File(testDir, "src");
aoqi@0	56	srcDir.mkdirs();
aoqi@0	57	File classesDir = new File(testDir, "classes");
aoqi@0	58	classesDir.mkdirs();
aoqi@0	59
aoqi@0	60	List<String> opts = new ArrayList<String>();
aoqi@0	61	opts.add("-d");
aoqi@0	62	opts.add(classesDir.getPath());
aoqi@0	63
aoqi@0	64	File f = writeFile(srcDir, k);
aoqi@0	65	int rc = compile(opts, f);
aoqi@0	66	if (rc != 0) {
aoqi@0	67	error("compilation failed: rc=" + rc);
aoqi@0	68	return;
aoqi@0	69	}
aoqi@0	70
aoqi@0	71	check(classesDir, "Test.class", "Test$Inner.class", "Test$1.class");
aoqi@0	72	}
aoqi@0	73
aoqi@0	74	/**
aoqi@0	75	* Compile files with given options.
aoqi@0	76	* Display any output from compiler, and return javac return code.
aoqi@0	77	*/
aoqi@0	78	int compile(List<String> opts, File... files) {
aoqi@0	79	List<String> args = new ArrayList<String>();
aoqi@0	80	args.addAll(opts);
aoqi@0	81	for (File f: files)
aoqi@0	82	args.add(f.getPath());
aoqi@0	83	StringWriter sw = new StringWriter();
aoqi@0	84	PrintWriter pw = new PrintWriter(sw);
aoqi@0	85	int rc = com.sun.tools.javac.Main.compile(args.toArray(new String[args.size()]), pw);
aoqi@0	86	pw.close();
aoqi@0	87	String out = sw.toString();
aoqi@0	88	if (out.length() > 0)
aoqi@0	89	System.err.println(out);
aoqi@0	90	return rc;
aoqi@0	91	}
aoqi@0	92
aoqi@0	93	/**
aoqi@0	94	* Check that a directory contains the expected files.
aoqi@0	95	*/
aoqi@0	96	void check(File dir, String... paths) {
aoqi@0	97	Set<String> found = new TreeSet<String>(Arrays.asList(dir.list()));
aoqi@0	98	Set<String> expect = new TreeSet<String>(Arrays.asList(paths));
aoqi@0	99	if (found.equals(expect))
aoqi@0	100	return;
aoqi@0	101	for (String f: found) {
aoqi@0	102	if (!expect.contains(f))
aoqi@0	103	error("Unexpected file found: " + f);
aoqi@0	104	}
aoqi@0	105	for (String e: expect) {
aoqi@0	106	if (!found.contains(e))
aoqi@0	107	error("Expected file not found: " + e);
aoqi@0	108	}
aoqi@0	109	}
aoqi@0	110
aoqi@0	111	/**
aoqi@0	112	* Write source file for test case k.
aoqi@0	113	*/
aoqi@0	114	File writeFile(File dir, Kind k) throws Exception {
aoqi@0	115	StringBuilder sb = new StringBuilder();
aoqi@0	116	sb.append("public class Test {\n");
aoqi@0	117	sb.append(" private Inner inner;\n");
aoqi@0	118
aoqi@0	119	// generate different cases of an anon inner class
aoqi@0	120	if (k != Kind.NONE) {
aoqi@0	121	sb.append(" private void m() {\n");
aoqi@0	122	sb.append(" ");
aoqi@0	123	switch (k) {
aoqi@0	124	case FALSE: case TRUE:
aoqi@0	125	sb.append("if (" + k.toString().toLowerCase() + ") ");
aoqi@0	126	}
aoqi@0	127	sb.append("new Runnable() { public void run() { } };\n");
aoqi@0	128	sb.append(" }\n");
aoqi@0	129	}
aoqi@0	130
aoqi@0	131	sb.append(" private void init() {\n");
aoqi@0	132	sb.append(" inner = new Inner();\n");
aoqi@0	133	sb.append(" }\n");
aoqi@0	134	sb.append("\n");
aoqi@0	135	sb.append(" private static class Inner {\n");
aoqi@0	136	sb.append(" private Inner() {\n");
aoqi@0	137	sb.append(" }\n");
aoqi@0	138	sb.append(" }\n");
aoqi@0	139	sb.append("}\n");
aoqi@0	140
aoqi@0	141	File f = new File(dir, "Test.java");
aoqi@0	142	FileWriter w = new FileWriter(f);
aoqi@0	143	w.write(sb.toString());
aoqi@0	144	w.close();
aoqi@0	145	return f;
aoqi@0	146	}
aoqi@0	147
aoqi@0	148	/**
aoqi@0	149	* Record an error message.
aoqi@0	150	*/
aoqi@0	151	void error(String msg) {
aoqi@0	152	System.err.println(msg);
aoqi@0	153	errors++;
aoqi@0	154	}
aoqi@0	155
aoqi@0	156	int count;
aoqi@0	157	int errors;
aoqi@0	158	}