Mercurial > jdk8-mips64-public > langtools / file revision
test/tools/javap/MethodParameters.java@fc4cb1577ad6
test/tools/javap/MethodParameters.java
Thu, 10 Jan 2013 19:38:57 -0800
- author
- jjg
- date
- Thu, 10 Jan 2013 19:38:57 -0800
- changeset 1490
- fc4cb1577ad6
- parent 1478
- a9cb93cca229
- child 1586
- 9fb4f223a90d
- permissions
- -rw-r--r--
8004834: Add doclint support into javadoc
Reviewed-by: darcy
1 /*
2 * Copyright (c) 2010, 2012, 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 8004727 8005647
27 * @summary javac should generate method parameters correctly.
28 */
30 import java.io.*;
31 import java.util.*;
33 public class MethodParameters {
35 static final String Foo_name = "Foo";
36 static final String Foo_contents =
37 ("public class Foo {\n" +
38 " Foo() {}\n" +
39 " Foo(int i) {}\n" +
40 " void foo0() {}\n" +
41 " void foo2(int j, int k) {}\n" +
42 "}").replaceAll(" +", " ");
43 static final String Init0_expected =
44 (" Foo();\n" +
45 " flags: \n" +
46 " Code:\n" +
47 " stack=1, locals=1, args_size=1\n" +
48 " 0: aload_0 \n" +
49 " 1: invokespecial #1 // Method java/lang/Object.\"<init>\":()V\n" +
50 " 4: return \n" +
51 " LineNumberTable:\n" +
52 " line 2: 0").replaceAll(" +", " ");
53 static final String Init1_expected =
54 (" Foo(int);\n" +
55 " flags: \n" +
56 " Code:\n" +
57 " stack=1, locals=2, args_size=2\n" +
58 " 0: aload_0 \n" +
59 " 1: invokespecial #1 // Method java/lang/Object.\"<init>\":()V\n" +
60 " 4: return \n" +
61 " LineNumberTable:\n" +
62 " line 3: 0\n" +
63 " MethodParameters:\n" +
64 " Name Flags\n" +
65 " i").replaceAll(" +", " ");
66 static final String foo0_expected =
67 (" void foo0();\n" +
68 " flags: \n" +
69 " Code:\n" +
70 " stack=0, locals=1, args_size=1\n" +
71 " 0: return \n" +
72 " LineNumberTable:\n" +
73 " line 4: 0").replaceAll(" +", " ");
74 static final String foo2_expected =
75 (" void foo2(int, int);\n" +
76 " flags: \n" +
77 " Code:\n" +
78 " stack=0, locals=3, args_size=3\n" +
79 " 0: return \n" +
80 " LineNumberTable:\n" +
81 " line 5: 0\n" +
82 " MethodParameters:\n" +
83 " Name Flags\n" +
84 " j \n" +
85 " k").replaceAll(" +", " ");
87 static final File classesdir = new File("methodparameters");
88 static final String separator = System.getProperty("line.separator");
90 public static void main(String... args) throws Exception {
91 new MethodParameters().run();
92 }
94 void run() throws Exception {
95 classesdir.mkdir();
96 final File Foo_java =
97 writeFile(classesdir, Foo_name + ".java", Foo_contents);
98 compile("-parameters", "-d", classesdir.getPath(), Foo_java.getPath());
99 System.out.println("Run javap");
100 String output =
101 javap("-c", "-verbose", "-classpath",
102 classesdir.getPath(), Foo_name);
103 String normalized =
104 output.replaceAll(separator, "\n").replaceAll(" +", " ");
106 if (!normalized.contains(Init0_expected))
107 error("Bad output for zero-parameter constructor. Expected\n" +
108 Init0_expected + "\n" + "but got\n" + normalized);
109 if (!normalized.contains(Init1_expected))
110 error("Bad output for one-parameter constructor. Expected\n" +
111 Init1_expected + "\n" + "but got\n" + normalized);
112 if (!normalized.contains(foo0_expected))
113 error("Bad output for zero-parameter method. Expected\n" +
114 foo0_expected + "\n" + "but got\n" + normalized);
115 if (!normalized.contains(foo2_expected))
116 error("Bad output for two-parameter method Expected\n" +
117 foo2_expected + "\n" + "but got\n" + normalized);
119 if (0 != errors)
120 throw new Exception("MethodParameters test failed with " +
121 errors + " errors");
122 }
124 String javap(String... args) {
125 StringWriter sw = new StringWriter();
126 PrintWriter out = new PrintWriter(sw);
127 //sun.tools.javap.Main.entry(args);
128 int rc = com.sun.tools.javap.Main.run(args, out);
129 if (rc != 0)
130 throw new Error("javap failed. rc=" + rc);
131 out.close();
132 System.out.println(sw);
133 return sw.toString();
134 }
136 String compile(String... args) throws Exception {
137 System.err.println("compile: " + Arrays.asList(args));
138 StringWriter sw = new StringWriter();
139 PrintWriter pw = new PrintWriter(sw);
140 int rc = com.sun.tools.javac.Main.compile(args, pw);
141 pw.close();
142 String out = sw.toString();
143 if (out.length() > 0)
144 System.err.println(out);
145 if (rc != 0)
146 error("compilation failed, rc=" + rc);
147 return out;
148 }
150 File writeFile(File dir, String path, String body) throws IOException {
151 File f = new File(dir, path);
152 f.getParentFile().mkdirs();
153 FileWriter out = new FileWriter(f);
154 out.write(body);
155 out.close();
156 return f;
157 }
159 void error(String msg) {
160 System.err.println("Error: " + msg);
161 errors++;
162 }
164 int errors;
166 }
