1 /*

     2  * Copyright (c) 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  * @bug 8153716

    27  * @summary Simple jshell tool tests

    28  * @modules jdk.compiler/com.sun.tools.javac.api

    29  *          jdk.compiler/com.sun.tools.javac.main

    30  *          jdk.jdeps/com.sun.tools.javap

    31  *          jdk.jshell/jdk.internal.jshell.tool

    32  * @build KullaTesting TestingInputStream

    33  * @run testng ToolSimpleTest

    34  */

    35 import java.util.Arrays;

    36 import java.util.ArrayList;

    37 import java.util.List;

    38 import java.util.function.Consumer;

    39 import java.util.stream.Collectors;

    40 import java.util.stream.Stream;

    41 

    42 import org.testng.annotations.Test;

    43 

    44 import static org.testng.Assert.assertEquals;

    45 import static org.testng.Assert.assertTrue;

    46 

    47 @Test

    48 public class ToolSimpleTest extends ReplToolTesting {

    49 

    50     public void defineVar() {

    51         test(

    52                 (a) -> assertCommand(a, "int x = 72", "|  Added variable x of type int with initial value 72"),

    53                 (a) -> assertCommand(a, "x", "|  Variable x of type int has value 72"),

    54                 (a) -> assertCommand(a, "/vars", "|    int x = 72")

    55         );

    56     }

    57 

    58     @Test(enabled = false) // TODO 8153897

    59     public void defineUnresolvedVar() {

    60         test(

    61                 (a) -> assertCommand(a, "undefined x",

    62                         "|  Added variable x, however, it cannot be referenced until class undefined is declared"),

    63                 (a) -> assertCommand(a, "/vars", "|    undefined x = (not-active)")

    64         );

    65     }

    66 

    67     public void testUnresolved() {

    68         test(

    69                 (a) -> assertCommand(a, "int f() { return g() + x + new A().a; }",

    70                         "|  Added method f(), however, it cannot be invoked until method g(), variable x, and class A are declared"),

    71                 (a) -> assertCommand(a, "f()",

    72                         "|  Attempted to call method f() which cannot be invoked until method g(), variable x, and class A are declared"),

    73                 (a) -> assertCommandOutputStartsWith(a, "int g() { return x; }",

    74                         "|  Added method g(), however, it cannot be invoked until variable x is declared"),

    75                 (a) -> assertCommand(a, "g()", "|  Attempted to call method g() which cannot be invoked until variable x is declared")

    76         );

    77     }

    78 

    79     public void testDebug() {

    80         test(

    81                 (a) -> assertCommand(a, "/deb", "|  Debugging on"),

    82                 (a) -> assertCommand(a, "/debug", "|  Debugging off"),

    83                 (a) -> assertCommand(a, "/debug", "|  Debugging on"),

    84                 (a) -> assertCommand(a, "/deb", "|  Debugging off")

    85         );

    86     }

    87 

    88     public void testHelpLength() {

    89         Consumer<String> testOutput = (s) -> {

    90             List<String> ss = Stream.of(s.split("\n"))

    91                     .filter(l -> !l.isEmpty())

    92                     .collect(Collectors.toList());

    93             assertTrue(ss.size() >= 10, "Help does not print enough lines:" + s);

    94         };

    95         test(

    96                 (a) -> assertCommandCheckOutput(a, "/?", testOutput),

    97                 (a) -> assertCommandCheckOutput(a, "/help", testOutput),

    98                 (a) -> assertCommandCheckOutput(a, "/help /list", testOutput)

    99         );

   100     }

   101 

   102     public void testHelp() {

   103         test(

   104                 (a) -> assertHelp(a, "/?", "/list", "/help", "/exit", "intro"),

   105                 (a) -> assertHelp(a, "/help", "/list", "/help", "/exit", "intro"),

   106                 (a) -> assertHelp(a, "/help short", "shortcuts", "<tab>"),

   107                 (a) -> assertHelp(a, "/? /li", "/list all", "snippets"),

   108                 (a) -> assertHelp(a, "/help /help", "/help <command>")

   109         );

   110     }

   111 

   112     private void assertHelp(boolean a, String command, String... find) {

   113         assertCommandCheckOutput(a, command, s -> {

   114             for (String f : find) {

   115                 assertTrue(s.contains(f), "Expected output of " + command + " to contain: " + f);

   116             }

   117         });

   118     }

   119 

   120     // Check that each line of output contains the corresponding string from the list

   121     private void checkLineToList(String in, List<String> match) {

   122         String[] res = in.trim().split("\n");

   123         assertEquals(res.length, match.size(), "Got: " + Arrays.asList(res));

   124         for (int i = 0; i < match.size(); ++i) {

   125             assertTrue(res[i].contains(match.get(i)));

   126         }

   127     }

   128 

   129     public void testListArgs() {

   130         String arg = "qqqq";

   131         List<String> startVarList = new ArrayList<>(START_UP);

   132         startVarList.add("int aardvark");

   133         test(

   134                 a -> assertCommandCheckOutput(a, "/list all",

   135                         s -> checkLineToList(s, START_UP)),

   136                 a -> assertCommandOutputStartsWith(a, "/list " + arg,

   137                         "|  No definition or id found named: " + arg),

   138                 a -> assertVariable(a, "int", "aardvark"),

   139                 a -> assertCommandOutputContains(a, "/list aardvark", "aardvark"),

   140                 a -> assertCommandCheckOutput(a, "/list start",

   141                         s -> checkLineToList(s, START_UP)),

   142                 a -> assertCommandCheckOutput(a, "/list all",

   143                         s -> checkLineToList(s, startVarList)),

   144                 a -> assertCommandCheckOutput(a, "/list printf",

   145                         s -> assertTrue(s.contains("void printf"))),

   146                 a -> assertCommandOutputStartsWith(a, "/list " + arg,

   147                         "|  No definition or id found named: " + arg)

   148         );

   149     }

   150 

   151     public void testHeadlessEditPad() {

   152         String prevHeadless = System.getProperty("java.awt.headless");

   153         try {

   154             System.setProperty("java.awt.headless", "true");

   155             test(

   156                 (a) -> assertCommandOutputStartsWith(a, "/edit printf", "|  Cannot launch editor -- unexpected exception:")

   157             );

   158         } finally {

   159             System.setProperty("java.awt.headless", prevHeadless==null? "false" : prevHeadless);

   160         }

   161     }

   162 }