Wed, 26 Jan 2011 13:45:25 -0800
7013272: Automatically generate info about how compiler resource keys are used
Reviewed-by: mcimadamore
1 /*
2 * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
24 /**
25 * @test
26 * @bug 6341866
27 * @summary Source files loaded from source path are not subject to annotation processing
28 * @build Anno T6341866
29 * @run main T6341866
30 */
32 import java.io.*;
33 import java.util.*;
34 import javax.annotation.processing.*;
35 import javax.tools.*;
37 /**
38 * For each of a number of implicit compilation scenarios,
39 * and for each of a set of annotation processing scenarios,
40 * verify that a class file is generated, or not, for an
41 * implicitly compiled source file and that the correct
42 * warning message is given for implicitly compiled files
43 * when annotation processing.
44 */
45 public class T6341866 {
46 static final String testSrc = System.getProperty("test.src", ".");
47 static final String testClasses = System.getProperty("test.classes", ".");
48 static final File a_java = new File(testSrc, "A.java");
49 static final File a_class = new File("A.class");
50 static final File b_java = new File(testSrc, "B.java");
51 static final File b_class = new File("B.class");
52 static final File processorServices = services(Processor.class);
54 enum ImplicitType {
55 NONE(null), // don't use implicit compilation
56 OPT_UNSET(null), // implicit compilation, but no -implicit option
57 OPT_NONE("-implicit:none"), // implicit compilation wiith -implicit:none
58 OPT_CLASS("-implicit:class"); // implicit compilation wiith -implicit:class
60 ImplicitType(String opt) {
61 this.opt = opt;
62 }
63 final String opt;
64 };
66 enum AnnoType {
67 NONE, // no annotation processing
68 SERVICE, // implicit annotation processing, via ServiceLoader
69 SPECIFY // explicit annotation processing
70 };
73 public static void main(String ... args) throws Exception {
74 boolean ok = true;
76 // iterate over all combinations
77 for (ImplicitType implicitType: EnumSet.allOf(ImplicitType.class)) {
78 for (AnnoType annoType: EnumSet.allOf(AnnoType.class)) {
79 ok &= test(implicitType, annoType);
80 }
81 }
83 if (!ok)
84 throw new AssertionError("test failed");
85 }
87 /**
88 * Verify that a class file is generated, or not, for an implicitly compiled source file,
89 * and that the correct warning message is given for implicitly compiled files when annotation processing.
90 */
91 static boolean test(ImplicitType implicitType, AnnoType annoType) throws IOException {
92 System.err.println("test implicit=" + implicitType + " anno=" + annoType);
94 // ensure clean start
95 a_class.delete();
96 b_class.delete();
97 processorServices.delete();
99 List<String> opts = new ArrayList<String>();
100 opts.addAll(Arrays.asList("-d", ".", "-sourcepath", testSrc, "-classpath", testClasses, "-source", "1.6", "-Xlint:-options"));
101 if (implicitType.opt != null)
102 opts.add(implicitType.opt);
104 switch (annoType) {
105 case SERVICE:
106 createProcessorServices(Anno.class.getName());
107 break;
108 case SPECIFY:
109 opts.addAll(Arrays.asList("-processor", Anno.class.getName()));
110 break;
111 }
114 JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
115 MyDiagListener dl = new MyDiagListener();
116 StandardJavaFileManager fm = javac.getStandardFileManager(dl, null, null);
118 // Note: class A references class B, so compile A if we want implicit compilation
119 File file = (implicitType != ImplicitType.NONE) ? a_java : b_java;
120 Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(file);
122 //System.err.println("compile: " + opts + " " + files);
124 boolean ok = javac.getTask(null, fm, dl, opts, null, files).call();
125 if (!ok) {
126 error("compilation failed");
127 return false;
128 }
130 // check implicit compilation results if necessary
131 if (implicitType != ImplicitType.NONE) {
132 boolean expectClass = (implicitType != ImplicitType.OPT_NONE);
133 if (b_class.exists() != expectClass) {
134 if (b_class.exists())
135 error("B implicitly compiled unexpectedly");
136 else
137 error("B not impliictly compiled");
138 return false;
139 }
140 }
142 // check message key results
143 String expectKey = null;
144 if (implicitType == ImplicitType.OPT_UNSET) {
145 switch (annoType) {
146 case SERVICE:
147 expectKey = "compiler.warn.proc.use.proc.or.implicit";
148 break;
149 case SPECIFY:
150 expectKey = "compiler.warn.proc.use.implicit";
151 break;
152 }
153 }
155 if (expectKey == null) {
156 if (dl.diagCodes.size() != 0) {
157 error("no diagnostics expected");
158 return false;
159 }
160 } else {
161 if (!(dl.diagCodes.size() == 1 && dl.diagCodes.get(0).equals(expectKey))) {
162 error("unexpected diagnostics generated");
163 return false;
164 }
165 }
167 return true;
168 }
170 static void createProcessorServices(String name) throws IOException {
171 processorServices.getParentFile().mkdirs();
173 BufferedWriter out = new BufferedWriter(new FileWriter(processorServices));
174 out.write(name);
175 out.newLine();
176 out.close();
177 }
179 static class MyDiagListener implements DiagnosticListener<JavaFileObject> {
180 public void report(Diagnostic d) {
181 diagCodes.add(d.getCode());
182 System.err.println(d);
183 }
185 List<String> diagCodes = new ArrayList<String>();
186 }
188 static void error(String msg) {
189 System.err.println("ERROR: " + msg);
190 }
192 static File services(Class<?> service) {
193 String[] dirs = { testClasses, "META-INF", "services" };
194 File dir = null;
195 for (String d: dirs)
196 dir = (dir == null ? new File(d) : new File(dir, d));
198 return new File(dir, service.getName());
199 }
200 }