ToolReloadTest.java revision 3968:fc0a9318d392 
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 * @key intermittent
27 * @bug 8081845 8147898 8143955  8165405
28 * @summary Tests for /reload in JShell tool
29 * @modules jdk.compiler/com.sun.tools.javac.api
30 *          jdk.compiler/com.sun.tools.javac.main
31 *          jdk.jdeps/com.sun.tools.javap
32 *          jdk.jshell/jdk.internal.jshell.tool
33 * @library /tools/lib
34 * @build KullaTesting TestingInputStream toolbox.ToolBox Compiler
35 * @run testng ToolReloadTest
36 */
37
38import java.nio.file.Path;
39import java.nio.file.Paths;
40import java.util.function.Function;
41
42import org.testng.annotations.Test;
43
44
45@Test
46public class ToolReloadTest extends ReplToolTesting {
47
48    public void testReloadSnippets() {
49        test(
50                (a) -> assertVariable(a, "int", "x", "5", "5"),
51                (a) -> assertMethod(a, "int m(int z) { return z * z; }",
52                        "(int)int", "m"),
53                (a) -> evaluateExpression(a, "int", "m(x)", "25"),
54                (a) -> assertCommand(a, "/reload",
55                        "|  Restarting and restoring state.\n" +
56                        "-: int x = 5;\n" +
57                        "-: int m(int z) { return z * z; }\n" +
58                        "-: m(x)\n"),
59                (a) -> evaluateExpression(a, "int", "m(x)", "25"),
60                (a) -> assertCommandCheckOutput(a, "/vars", assertVariables()),
61                (a) -> assertCommandCheckOutput(a, "/methods", assertMethods())
62        );
63    }
64
65    public void testReloadClasspath() {
66        Function<String,String> prog = (s) -> String.format(
67                "package pkg; public class A { public String toString() { return \"%s\"; } }\n", s);
68        Compiler compiler = new Compiler();
69        Path outDir = Paths.get("testClasspathDirectory");
70        compiler.compile(outDir, prog.apply("A"));
71        Path classpath = compiler.getPath(outDir);
72        test(
73                (a) -> assertCommand(a, "/env --class-path " + classpath,
74                        "|  Setting new options and restoring state."),
75                (a) -> assertMethod(a, "String foo() { return (new pkg.A()).toString(); }",
76                        "()String", "foo"),
77                (a) -> assertVariable(a, "String", "v", "foo()", "\"A\""),
78                (a) -> {
79                       if (!a) compiler.compile(outDir, prog.apply("Aprime"));
80                       assertCommand(a, "/reload",
81                        "|  Restarting and restoring state.\n" +
82                        "-: String foo() { return (new pkg.A()).toString(); }\n" +
83                        "-: String v = foo();\n");
84                       },
85                (a) -> assertCommand(a, "v", "v ==> \"Aprime\""),
86                (a) -> evaluateExpression(a, "String", "foo()", "\"Aprime\""),
87                (a) -> evaluateExpression(a, "pkg.A", "new pkg.A();", "Aprime")
88        );
89    }
90
91    public void testReloadDrop() {
92        test(false, new String[]{"--no-startup"},
93                a -> assertVariable(a, "int", "a"),
94                a -> dropVariable(a, "/dr 1", "int a = 0", "|  dropped variable a"),
95                a -> assertMethod(a, "int b() { return 0; }", "()int", "b"),
96                a -> dropMethod(a, "/drop b", "int b()", "|  dropped method b()"),
97                a -> assertClass(a, "class A {}", "class", "A"),
98                a -> dropClass(a, "/dr A", "class A", "|  dropped class A"),
99                a -> assertCommand(a, "/reload",
100                        "|  Restarting and restoring state.\n" +
101                        "-: int a;\n" +
102                        "-: /drop 1\n" +
103                        "-: int b() { return 0; }\n" +
104                        "-: /drop b\n" +
105                        "-: class A {}\n" +
106                        "-: /drop A\n"),
107                a -> assertCommandCheckOutput(a, "/vars", assertVariables()),
108                a -> assertCommandCheckOutput(a, "/methods", assertMethods()),
109                a -> assertCommandCheckOutput(a, "/types", assertClasses()),
110                a -> assertCommandCheckOutput(a, "/imports", assertImports())
111        );
112    }
113
114    public void testReloadQuiet() {
115        test(false, new String[]{"--no-startup"},
116                a -> assertVariable(a, "int", "a"),
117                a -> dropVariable(a, "/dr 1", "int a = 0", "|  dropped variable a"),
118                a -> assertMethod(a, "int b() { return 0; }", "()int", "b"),
119                a -> dropMethod(a, "/drop b", "int b()", "|  dropped method b()"),
120                a -> assertClass(a, "class A {}", "class", "A"),
121                a -> dropClass(a, "/dr A", "class A", "|  dropped class A"),
122                a -> assertCommand(a, "/reload -quiet",
123                        "|  Restarting and restoring state."),
124                a -> assertCommandCheckOutput(a, "/vars", assertVariables()),
125                a -> assertCommandCheckOutput(a, "/methods", assertMethods()),
126                a -> assertCommandCheckOutput(a, "/types", assertClasses()),
127                a -> assertCommandCheckOutput(a, "/imports", assertImports())
128        );
129    }
130
131    public void testReloadRepeat() {
132        test(false, new String[]{"--no-startup"},
133                (a) -> assertVariable(a, "int", "c", "7", "7"),
134                (a) -> assertCommand(a, "++c", null),
135                (a) -> assertCommand(a, "/!", null),
136                (a) -> assertCommand(a, "/2", null),
137                (a) -> assertCommand(a, "/-1", null),
138                (a) -> assertCommand(a, "/reload",
139                        "|  Restarting and restoring state.\n" +
140                        "-: int c = 7;\n" +
141                        "-: ++c\n" +
142                        "-: ++c\n" +
143                        "-: ++c\n" +
144                        "-: ++c\n"
145                ),
146                (a) -> assertCommand(a, "c", "c ==> 11"),
147                (a) -> assertCommand(a, "$4", "$4 ==> 10")
148        );
149    }
150
151    public void testReloadIgnore() {
152        test(false, new String[]{"--no-startup"},
153                (a) -> assertCommand(a, "(-)", null),
154                (a) -> assertCommand(a, "/list", null),
155                (a) -> assertCommand(a, "/history", null),
156                (a) -> assertCommand(a, "/help", null),
157                (a) -> assertCommand(a, "/vars", null),
158                (a) -> assertCommand(a, "/save abcd", null),
159                (a) -> assertCommand(a, "/reload",
160                        "|  Restarting and restoring state.")
161        );
162    }
163
164    public void testReloadResetRestore() {
165        test(
166                (a) -> assertVariable(a, "int", "x", "5", "5"),
167                (a) -> assertMethod(a, "int m(int z) { return z * z; }",
168                        "(int)int", "m"),
169                (a) -> evaluateExpression(a, "int", "m(x)", "25"),
170                (a) -> assertCommand(a, "/reset", "|  Resetting state."),
171                (a) -> assertCommand(a, "/reload -restore",
172                        "|  Restarting and restoring from previous state.\n" +
173                        "-: int x = 5;\n" +
174                        "-: int m(int z) { return z * z; }\n" +
175                        "-: m(x)\n"),
176                (a) -> evaluateExpression(a, "int", "m(x)", "25"),
177                (a) -> assertCommandCheckOutput(a, "/vars", assertVariables()),
178                (a) -> assertCommandCheckOutput(a, "/methods", assertMethods())
179        );
180    }
181
182    public void testReloadCrashRestore() {
183        test(
184                (a) -> assertVariable(a, "int", "x", "5", "5"),
185                (a) -> assertMethod(a, "int m(int z) { return z * z; }",
186                        "(int)int", "m"),
187                (a) -> evaluateExpression(a, "int", "m(x)", "25"),
188                (a) -> assertCommand(a, "System.exit(1);",
189                        "|  State engine terminated.\n" +
190                        "|  Restore definitions with: /reload -restore"),
191                (a) -> assertCommand(a, "/reload -restore",
192                        "|  Restarting and restoring from previous state.\n" +
193                        "-: int x = 5;\n" +
194                        "-: int m(int z) { return z * z; }\n" +
195                        "-: m(x)\n"),
196                (a) -> evaluateExpression(a, "int", "m(x)", "25"),
197                (a) -> assertCommandCheckOutput(a, "/vars", assertVariables()),
198                (a) -> assertCommandCheckOutput(a, "/methods", assertMethods())
199        );
200    }
201
202    public void testReloadExitRestore() {
203        test(false, new String[]{"--no-startup"},
204                (a) -> assertVariable(a, "int", "x", "5", "5"),
205                (a) -> assertMethod(a, "int m(int z) { return z * z; }",
206                        "(int)int", "m"),
207                (a) -> evaluateExpression(a, "int", "m(x)", "25")
208        );
209        test(false, new String[]{"--no-startup"},
210                (a) -> assertCommand(a, "/reload -restore",
211                        "|  Restarting and restoring from previous state.\n" +
212                        "-: int x = 5;\n" +
213                        "-: int m(int z) { return z * z; }\n" +
214                        "-: m(x)\n"),
215                (a) -> evaluateExpression(a, "int", "m(x)", "25")
216        );
217    }
218}
219