ToolReloadTest.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 * @key intermittent
27 * @bug 8081845 8147898
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 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, "/classpath " + classpath,
74                        String.format("|  Path %s added to classpath\n", classpath)),
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                        "-: /classpath " + classpath + "\n" +
83                        "-: String foo() { return (new pkg.A()).toString(); }\n" +
84                        "-: String v = foo();\n");
85                       },
86                (a) -> assertCommand(a, "v", "|  Variable v of type String has value \"Aprime\"\n"),
87                (a) -> evaluateExpression(a, "String", "foo()", "\"Aprime\""),
88                (a) -> evaluateExpression(a, "pkg.A", "new pkg.A();", "\"Aprime\"")
89        );
90    }
91
92    public void testReloadDrop() {
93        test(false, new String[]{"-nostartup"},
94                a -> assertVariable(a, "int", "a"),
95                a -> dropVariable(a, "/dr 1", "int a = 0"),
96                a -> assertMethod(a, "int b() { return 0; }", "()I", "b"),
97                a -> dropMethod(a, "/drop b", "b ()I"),
98                a -> assertClass(a, "class A {}", "class", "A"),
99                a -> dropClass(a, "/dr A", "class A"),
100                a -> assertCommand(a, "/reload",
101                        "|  Restarting and restoring state.\n" +
102                        "-: int a;\n" +
103                        "-: /drop 1\n" +
104                        "-: int b() { return 0; }\n" +
105                        "-: /drop b\n" +
106                        "-: class A {}\n" +
107                        "-: /drop A\n"),
108                a -> assertCommandCheckOutput(a, "/vars", assertVariables()),
109                a -> assertCommandCheckOutput(a, "/methods", assertMethods()),
110                a -> assertCommandCheckOutput(a, "/classes", assertClasses()),
111                a -> assertCommandCheckOutput(a, "/imports", assertImports())
112        );
113    }
114
115    public void testReloadQuiet() {
116        test(false, new String[]{"-nostartup"},
117                a -> assertVariable(a, "int", "a"),
118                a -> dropVariable(a, "/dr 1", "int a = 0"),
119                a -> assertMethod(a, "int b() { return 0; }", "()I", "b"),
120                a -> dropMethod(a, "/drop b", "b ()I"),
121                a -> assertClass(a, "class A {}", "class", "A"),
122                a -> dropClass(a, "/dr A", "class A"),
123                a -> assertCommand(a, "/reload quiet",
124                        "|  Restarting and restoring state.\n"),
125                a -> assertCommandCheckOutput(a, "/vars", assertVariables()),
126                a -> assertCommandCheckOutput(a, "/methods", assertMethods()),
127                a -> assertCommandCheckOutput(a, "/classes", assertClasses()),
128                a -> assertCommandCheckOutput(a, "/imports", assertImports())
129        );
130    }
131
132    public void testReloadRepeat() {
133        test(false, new String[]{"-nostartup"},
134                (a) -> assertVariable(a, "int", "c", "7", "7"),
135                (a) -> assertCommand(a, "++c", null),
136                (a) -> assertCommand(a, "/!", null),
137                (a) -> assertCommand(a, "/2", null),
138                (a) -> assertCommand(a, "/-1", null),
139                (a) -> assertCommand(a, "/reload",
140                        "|  Restarting and restoring state.\n" +
141                        "-: int c = 7;\n" +
142                        "-: ++c\n" +
143                        "-: ++c\n" +
144                        "-: ++c\n" +
145                        "-: ++c\n"
146                ),
147                (a) -> assertCommand(a, "c", "|  Variable c of type int has value 11\n"),
148                (a) -> assertCommand(a, "$4", "|  Variable $4 of type int has value 10\n")
149        );
150    }
151
152    public void testReloadIgnore() {
153        test(false, new String[]{"-nostartup"},
154                (a) -> assertCommand(a, "(-)", null),
155                (a) -> assertCommand(a, "/list", null),
156                (a) -> assertCommand(a, "/history", null),
157                (a) -> assertCommand(a, "/help", null),
158                (a) -> assertCommand(a, "/vars", null),
159                (a) -> assertCommand(a, "/save abcd", null),
160                (a) -> assertCommand(a, "/reload",
161                        "|  Restarting and restoring state.\n")
162        );
163    }
164
165    public void testReloadResetRestore() {
166        test(
167                (a) -> assertVariable(a, "int", "x", "5", "5"),
168                (a) -> assertMethod(a, "int m(int z) { return z * z; }",
169                        "(int)int", "m"),
170                (a) -> evaluateExpression(a, "int", "m(x)", "25"),
171                (a) -> assertCommand(a, "/reset", "|  Resetting state.\n"),
172                (a) -> assertCommand(a, "/reload restore",
173                        "|  Restarting and restoring from previous state.\n" +
174                        "-: int x = 5;\n" +
175                        "-: int m(int z) { return z * z; }\n" +
176                        "-: m(x)\n"),
177                (a) -> evaluateExpression(a, "int", "m(x)", "25"),
178                (a) -> assertCommandCheckOutput(a, "/vars", assertVariables()),
179                (a) -> assertCommandCheckOutput(a, "/methods", assertMethods())
180        );
181    }
182
183    public void testReloadCrashRestore() {
184        test(
185                (a) -> assertVariable(a, "int", "x", "5", "5"),
186                (a) -> assertMethod(a, "int m(int z) { return z * z; }",
187                        "(int)int", "m"),
188                (a) -> evaluateExpression(a, "int", "m(x)", "25"),
189                (a) -> assertCommand(a, "System.exit(1);",
190                        "|  State engine terminated.\n" +
191                        "|  Restore definitions with: /reload restore\n"),
192                (a) -> assertCommand(a, "/reload restore",
193                        "|  Restarting and restoring from previous state.\n" +
194                        "-: int x = 5;\n" +
195                        "-: int m(int z) { return z * z; }\n" +
196                        "-: m(x)\n"),
197                (a) -> evaluateExpression(a, "int", "m(x)", "25"),
198                (a) -> assertCommandCheckOutput(a, "/vars", assertVariables()),
199                (a) -> assertCommandCheckOutput(a, "/methods", assertMethods())
200        );
201    }
202
203    public void testReloadExitRestore() {
204        test(false, new String[]{"-nostartup"},
205                (a) -> assertVariable(a, "int", "x", "5", "5"),
206                (a) -> assertMethod(a, "int m(int z) { return z * z; }",
207                        "(int)int", "m"),
208                (a) -> evaluateExpression(a, "int", "m(x)", "25")
209        );
210        test(false, new String[]{"-nostartup"},
211                (a) -> assertCommand(a, "/reload restore",
212                        "|  Restarting and restoring from previous state.\n" +
213                        "-: int x = 5;\n" +
214                        "-: int m(int z) { return z * z; }\n" +
215                        "-: m(x)\n"),
216                (a) -> evaluateExpression(a, "int", "m(x)", "25")
217        );
218    }
219}
220