StartOptionTest.java revision 3294:9adfb22ff08f 
1/*
2 * Copyright (c) 2015, 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 Testing start-up options.
27 * @modules jdk.compiler/com.sun.tools.javac.api
28 *          jdk.compiler/com.sun.tools.javac.main
29 *          jdk.jdeps/com.sun.tools.javap
30 *          jdk.jshell/jdk.internal.jshell.tool
31 * @library /tools/lib
32 * @build Compiler ToolBox
33 * @run testng StartOptionTest
34 */
35
36import java.io.ByteArrayOutputStream;
37import java.io.PrintStream;
38import java.nio.charset.StandardCharsets;
39import java.nio.file.Path;
40import java.util.function.Consumer;
41
42import jdk.internal.jshell.tool.JShellTool;
43import org.testng.annotations.AfterMethod;
44import org.testng.annotations.BeforeMethod;
45import org.testng.annotations.Test;
46
47import static org.testng.Assert.assertEquals;
48import static org.testng.Assert.assertTrue;
49
50@Test
51public class StartOptionTest {
52
53    private ByteArrayOutputStream out;
54    private ByteArrayOutputStream err;
55
56    private JShellTool getShellTool() {
57        return new JShellTool(null, new PrintStream(out), new PrintStream(err), null, null, null, null);
58    }
59
60    private String getOutput() {
61        byte[] bytes = out.toByteArray();
62        out.reset();
63        return new String(bytes, StandardCharsets.UTF_8);
64    }
65
66    private String getError() {
67        byte[] bytes = err.toByteArray();
68        err.reset();
69        return new String(bytes, StandardCharsets.UTF_8);
70    }
71
72    private void start(Consumer<String> checkOutput, Consumer<String> checkError, String... args) throws Exception {
73        JShellTool tool = getShellTool();
74        tool.start(args);
75        if (checkOutput != null) {
76            checkOutput.accept(getOutput());
77        } else {
78            assertEquals("", getOutput(), "Output: ");
79        }
80        if (checkError != null) {
81            checkError.accept(getError());
82        } else {
83            assertEquals("", getError(), "Error: ");
84        }
85    }
86
87    private void start(String expectedOutput, String expectedError, String... args) throws Exception {
88        start(s -> assertEquals(s, expectedOutput, "Output: "), s -> assertEquals(s, expectedError, "Error: "), args);
89    }
90
91    @BeforeMethod
92    public void setUp() {
93        out = new ByteArrayOutputStream();
94        err = new ByteArrayOutputStream();
95    }
96
97    @Test
98    public void testUsage() throws Exception {
99        start(s -> {
100            assertTrue(s.split("\n").length >= 7, s);
101            assertTrue(s.startsWith("Usage:   jshell <options>"), s);
102        },  null, "-help");
103    }
104
105    @Test
106    public void testUnknown() throws Exception {
107        start(s -> {
108            assertTrue(s.split("\n").length >= 7, s);
109            assertTrue(s.startsWith("Usage:   jshell <options>"), s);
110        }, s -> assertEquals(s, "Unknown option: -unknown\n"), "-unknown");
111    }
112
113    @Test(enabled = false) // TODO 8080883
114    public void testStartup() throws Exception {
115        Compiler compiler = new Compiler();
116        Path p = compiler.getPath("file.txt");
117        compiler.writeToFile(p);
118        start("", "Argument to -startup missing.\n", "-startup");
119        start("", "Conflicting -startup or -nostartup option.\n", "-startup", p.toString(), "-startup", p.toString());
120        start("", "Conflicting -startup or -nostartup option.\n", "-nostartup", "-startup", p.toString());
121        start("", "Conflicting -startup option.\n", "-startup", p.toString(), "-nostartup");
122    }
123
124    @Test
125    public void testClasspath() throws Exception {
126        for (String cp : new String[] {"-cp", "-classpath"}) {
127            start("", "Conflicting -classpath option.\n", cp, ".", "-classpath", ".");
128            start("", "Argument to -classpath missing.\n", cp);
129        }
130    }
131
132    @Test
133    public void testVersion() throws Exception {
134        start(s -> assertTrue(s.startsWith("jshell")), null, "-version");
135    }
136
137    @AfterMethod
138    public void tearDown() {
139        out = null;
140        err = null;
141    }
142}
143