HelloWorldTest.java revision 3294:9adfb22ff08f 
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 *      jdk.jdeps/com.sun.tools.javap
32 * @build ToolBox ModuleTestBase
33 * @run main HelloWorldTest
34 */
35
36import java.nio.file.*;
37import javax.tools.*;
38
39public class HelloWorldTest extends ModuleTestBase {
40    public static void main(String... args) throws Exception {
41        HelloWorldTest t = new HelloWorldTest();
42        t.runTests();
43    }
44
45    public static final String HELLO_WORLD =
46          "class HelloWorld {\n"
47        + "    public static void main(String... args) {\n"
48        + "        System.out.println(\"Hello World!\");\n"
49        + "    }\n"
50        + "}";
51
52    public static final String PKG_HELLO_WORLD =
53          "package p;\n"
54        + HELLO_WORLD;
55
56    @Test
57    void testLegacyMode(Path base) throws Exception {
58        Path src = base.resolve("src");
59        tb.writeJavaFiles(src, HELLO_WORLD);
60
61        Path classes = base.resolve("classes");
62        Files.createDirectories(classes);
63
64        Path smallRtJar = base.resolve("small-rt.jar");
65        try (JavaFileManager fm = ToolProvider.getSystemJavaCompiler().getStandardFileManager(null, null, null)) {
66            tb.new JarTask(smallRtJar)
67                .files(fm, StandardLocation.PLATFORM_CLASS_PATH,
68                    "java.lang.**", "java.io.*", "java.util.*")
69                .run();
70        }
71
72        tb.new JavacTask()
73            .options("-source", "8",
74                "-target", "8",
75                "-bootclasspath", smallRtJar.toString())
76            .outdir(classes)
77            .files(src.resolve("HelloWorld.java"))
78            .run();
79
80        checkFiles(classes.resolve("HelloWorld.class"));
81    }
82
83    @Test
84    void testUnnamedModule(Path base) throws Exception {
85        Path src = base.resolve("src");
86        tb.writeJavaFiles(src, HELLO_WORLD);
87
88        Path classes = base.resolve("classes");
89        Files.createDirectories(classes);
90
91        tb.new JavacTask()
92            .outdir(classes)
93            .files(src.resolve("HelloWorld.java"))
94            .run();
95
96        checkFiles(classes.resolve("HelloWorld.class"));
97    }
98
99    @Test
100    void testSingleModule(Path base) throws Exception {
101        Path src = base.resolve("src");
102        tb.writeFile(src.resolve("module-info.java"), "module m { }");
103        tb.writeJavaFiles(src, PKG_HELLO_WORLD);
104
105        Path classes = base.resolve("classes");
106        Files.createDirectories(classes);
107
108        tb.new JavacTask(ToolBox.Mode.CMDLINE)
109            .outdir(classes)
110            .files(src.resolve("module-info.java"), src.resolve("p/HelloWorld.java"))
111            .run()
112            .writeAll();
113
114        checkFiles(
115            classes.resolve("module-info.class"),
116            classes.resolve("p/HelloWorld.class"));
117    }
118
119    @Test
120    void testModuleSourcePath(Path base) throws Exception {
121        Path src = base.resolve("src");
122        Path src_m1 = src.resolve("m1");
123        tb.writeFile(src_m1.resolve("module-info.java"), "module m1 { }");
124        tb.writeJavaFiles(src_m1, PKG_HELLO_WORLD);
125
126        Path classes = base.resolve("classes");
127        Files.createDirectories(classes);
128
129        tb.new JavacTask()
130            .options("-modulesourcepath", src.toString())
131            .outdir(classes)
132            .files(src_m1.resolve("p/HelloWorld.java"))
133            .run()
134            .writeAll();
135
136        checkFiles(
137            classes.resolve("m1/module-info.class"),
138            classes.resolve("m1/p/HelloWorld.class"));
139    }
140
141    void checkFiles(Path... files) throws Exception {
142        for (Path f: files) {
143            if (!Files.exists(f))
144                throw new Exception("expected file not found: " + f);
145        }
146    }
147}
148