HelloWorldTest.java revision 3573:c4a18ee691c4 
1/*
2 * Copyright (c) 2013, 2016, 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 */
23
24/**
25 * @test
26 * @summary simple tests of javac compilation modes
27 * @library /tools/lib
28 * @modules
29 *      jdk.compiler/com.sun.tools.javac.api
30 *      jdk.compiler/com.sun.tools.javac.main
31 * @build toolbox.ToolBox toolbox.JarTask toolbox.JavacTask ModuleTestBase
32 * @run main HelloWorldTest
33 */
34
35import java.nio.file.*;
36import javax.tools.*;
37
38import toolbox.JarTask;
39import toolbox.JavacTask;
40import toolbox.Task;
41import toolbox.ToolBox;
42
43public class HelloWorldTest extends ModuleTestBase {
44    public static void main(String... args) throws Exception {
45        HelloWorldTest t = new HelloWorldTest();
46        t.runTests();
47    }
48
49    public static final String HELLO_WORLD =
50          "class HelloWorld {\n"
51        + "    public static void main(String... args) {\n"
52        + "        System.out.println(\"Hello World!\");\n"
53        + "    }\n"
54        + "}";
55
56    public static final String PKG_HELLO_WORLD =
57          "package p;\n"
58        + HELLO_WORLD;
59
60    @Test
61    public void testLegacyMode(Path base) throws Exception {
62        Path src = base.resolve("src");
63        tb.writeJavaFiles(src, HELLO_WORLD);
64
65        Path classes = base.resolve("classes");
66        Files.createDirectories(classes);
67
68        Path smallRtJar = base.resolve("small-rt.jar");
69        try (JavaFileManager fm = ToolProvider.getSystemJavaCompiler().getStandardFileManager(null, null, null)) {
70            new JarTask(tb, smallRtJar)
71                .files(fm, StandardLocation.PLATFORM_CLASS_PATH,
72                    "java.lang.**", "java.io.*", "java.util.*")
73                .run();
74        }
75
76        new JavacTask(tb)
77            .options("-source", "8",
78                "-target", "8",
79                "--boot-class-path", smallRtJar.toString())
80            .outdir(classes)
81            .files(src.resolve("HelloWorld.java"))
82            .run();
83
84        checkFiles(classes.resolve("HelloWorld.class"));
85    }
86
87    @Test
88    public void testUnnamedModule(Path base) throws Exception {
89        Path src = base.resolve("src");
90        tb.writeJavaFiles(src, HELLO_WORLD);
91
92        Path classes = base.resolve("classes");
93        Files.createDirectories(classes);
94
95        new JavacTask(tb)
96            .outdir(classes)
97            .files(src.resolve("HelloWorld.java"))
98            .run();
99
100        checkFiles(classes.resolve("HelloWorld.class"));
101    }
102
103    @Test
104    public void testSingleModule(Path base) throws Exception {
105        Path src = base.resolve("src");
106        tb.writeFile(src.resolve("module-info.java"), "module m { }");
107        tb.writeJavaFiles(src, PKG_HELLO_WORLD);
108
109        Path classes = base.resolve("classes");
110        Files.createDirectories(classes);
111
112        new JavacTask(tb, Task.Mode.CMDLINE)
113            .outdir(classes)
114            .files(src.resolve("module-info.java"), src.resolve("p/HelloWorld.java"))
115            .run()
116            .writeAll();
117
118        checkFiles(
119            classes.resolve("module-info.class"),
120            classes.resolve("p/HelloWorld.class"));
121    }
122
123    @Test
124    public void testModuleSourcePath(Path base) throws Exception {
125        Path src = base.resolve("src");
126        Path src_m1 = src.resolve("m1");
127        tb.writeFile(src_m1.resolve("module-info.java"), "module m1 { }");
128        tb.writeJavaFiles(src_m1, PKG_HELLO_WORLD);
129
130        Path classes = base.resolve("classes");
131        Files.createDirectories(classes);
132
133        new JavacTask(tb)
134            .options("--module-source-path", src.toString())
135            .outdir(classes)
136            .files(src_m1.resolve("p/HelloWorld.java"))
137            .run()
138            .writeAll();
139
140        checkFiles(
141            classes.resolve("m1/module-info.class"),
142            classes.resolve("m1/p/HelloWorld.class"));
143    }
144
145    void checkFiles(Path... files) throws Exception {
146        for (Path f: files) {
147            if (!Files.exists(f))
148                throw new Exception("expected file not found: " + f);
149        }
150    }
151}
152