/* * Copyright (c) 2016, 2023, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 8153716 8143955 8151754 8150382 8153920 8156910 8131024 8160089 8153897 * 8167128 8154513 8170015 8170368 8172102 8172103 8165405 8173073 8173848 * 8174041 8173916 8174028 8174262 8174797 8177079 8180508 8177466 8172154 * 8192979 8191842 8198573 8198801 8210596 8210959 8215099 8199623 8236715 * 8239536 8247456 8246774 8238173 8292625 8306560 8328536 * @summary Simple jshell tool tests * @modules jdk.compiler/com.sun.tools.javac.api * jdk.compiler/com.sun.tools.javac.main * jdk.jdeps/com.sun.tools.javap * jdk.jshell/jdk.internal.jshell.tool * @build KullaTesting TestingInputStream * @run testng ToolSimpleTest */ import java.util.ArrayList; import java.util.Arrays; import java.util.List; import java.util.Locale; import java.util.function.Consumer; import java.util.regex.Pattern; import java.util.stream.Collectors; import java.util.stream.Stream; import org.testng.annotations.Test; import static org.testng.Assert.assertEquals; import static org.testng.Assert.assertTrue; public class ToolSimpleTest extends ReplToolTesting { @Test public void testRemaining() { test( (a) -> assertCommand(a, "int z; z =", "z ==> 0"), (a) -> assertCommand(a, "5", "z ==> 5"), (a) -> assertCommand(a, "/*nada*/; int q =", ""), (a) -> assertCommand(a, "77", "q ==> 77"), (a) -> assertCommand(a, "//comment;", ""), (a) -> assertCommand(a, "int v;", "v ==> 0"), (a) -> assertCommand(a, "int v; int c", "v ==> 0\n" + "c ==> 0") ); } @Test public void testOpenComment() { test( (a) -> assertCommand(a, "int z = /* blah", ""), (a) -> assertCommand(a, "baz */ 5", "z ==> 5"), (a) -> assertCommand(a, "/** hoge ", ""), (a) -> assertCommand(a, "baz **/", ""), (a) -> assertCommand(a, "int v", "v ==> 0") ); } @Test public void testSwitchExpression() { test(false, new String[]{"--no-startup"}, (a) -> assertCommand(a, "enum Day {MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY, SUNDAY }", "| created enum Day"), (a) -> assertCommand(a, "Day day = Day.FRIDAY;", "day ==> FRIDAY"), (a) -> assertCommand(a, "switch (day) {", ""), (a) -> assertCommand(a, "case MONDAY, FRIDAY, SUNDAY -> 6;", ""), (a) -> assertCommand(a, "case TUESDAY -> 7;", ""), (a) -> assertCommand(a, "case THURSDAY, SATURDAY -> 8;", ""), (a) -> assertCommand(a, "case WEDNESDAY -> 9;", ""), (a) -> assertCommandOutputContains(a, "}", " ==> 6") ); } @Test public void testSwitchExpressionCompletion() { test(false, new String[]{"--no-startup"}, (a) -> assertCommand(a, "enum Day {MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY, SUNDAY }", "| created enum Day"), (a) -> assertCommand(a, "Day day = Day.FRIDAY;", "day ==> FRIDAY"), (a) -> assertCommand(a, "switch (day) {", ""), (a) -> assertCommand(a, "case MONDAY, FRIDAY, SUNDAY -> 6;", ""), (a) -> assertCommand(a, "case TUESDAY -> 7;", ""), (a) -> assertCommand(a, "case THURSDAY, SATURDAY -> 8;", ""), (a) -> assertCommand(a, "case WEDNESDAY -> 9;", ""), (a) -> assertCommand(a, "} +", ""), (a) -> assertCommandOutputContains(a, "1000", " ==> 1006") ); } @Test public void testLessThan() { test( (a) -> assertCommand(a, "45", "$1 ==> 45"), (a) -> assertCommand(a, "72", "$2 ==> 72"), (a) -> assertCommand(a, "$1 < $2", "$3 ==> true"), (a) -> assertCommand(a, "int a, b", "a ==> 0\n" + "b ==> 0"), (a) -> assertCommand(a, "a < b", "$6 ==> false") ); } @Test public void testChainedThrow() { test( (a) -> assertCommand(a, "void p() throws Exception { ((String) null).toString(); }", "| created method p()"), (a) -> assertCommand(a, "void n() throws Exception { try { p(); } catch (Exception ex) { throw new IOException(\"bar\", ex); }}", "| created method n()"), (a) -> assertCommand(a, "void m() { try { n(); } catch (Exception ex) { throw new RuntimeException(\"foo\", ex); }}", "| created method m()"), (a) -> assertCommand(a, "m()", "| Exception java.lang.RuntimeException: foo\n" + "| at m (#3:1)\n" + "| at (#4:1)\n" + "| Caused by: java.io.IOException: bar\n" + "| at n (#2:1)\n" + "| ...\n" + "| Caused by: java.lang.NullPointerException: Cannot invoke \"String.toString()\" because \"null\" is null\n" + "| at p (#1:1)\n" + "| ..."), (a) -> assertCommand(a, "/drop p", "| dropped method p()"), (a) -> assertCommand(a, "m()", "| attempted to call method n() which cannot be invoked until method p() is declared") ); } @Test public void testThrowWithPercent() { test( (a) -> assertCommandCheckOutput(a, "URI u = new URI(\"http\", null, \"h\", -1, \"a\" + (char)0x04, null, null);", (s) -> assertTrue(s.contains("URISyntaxException") && !s.contains("JShellTool"), "Output: '" + s + "'")), (a) -> assertCommandCheckOutput(a, "throw new Exception(\"%z\")", (s) -> assertTrue(s.contains("java.lang.Exception") && !s.contains("UnknownFormatConversionException"), "Output: '" + s + "'")) ); } @Test public void oneLineOfError() { test( (a) -> assertCommand(a, "12+", null), (a) -> assertCommandCheckOutput(a, " true", (s) -> assertTrue(s.contains("12+") && !s.contains("true"), "Output: '" + s + "'")) ); } @Test public void defineVariables() { test( (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/vars", assertVariables()), (a) -> assertVariable(a, "int", "a"), (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/vars", assertVariables()), (a) -> assertVariable(a, "double", "a", "1", "1.0"), (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/vars", assertVariables()), (a) -> evaluateExpression(a, "double", "2 * a", "2.0"), (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/vars", assertVariables()) ); } @Test public void defineMethods() { test( (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/methods", assertMethods()), (a) -> assertMethod(a, "int f() { return 0; }", "()int", "f"), (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/methods", assertMethods()), (a) -> assertMethod(a, "void f(int a) { g(); }", "(int)void", "f"), (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/methods", assertMethods()), (a) -> assertMethod(a, "void g() {}", "()void", "g"), (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/methods", assertMethods()) ); } @Test public void defineTypes() { test( (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/types", assertClasses()), (a) -> assertClass(a, "class A { }", "class", "A"), (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/types", assertClasses()), (a) -> assertClass(a, "interface A { }", "interface", "A"), (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/types", assertClasses()), (a) -> assertClass(a, "enum A { }", "enum", "A"), (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/types", assertClasses()), (a) -> assertClass(a, "@interface A { }", "@interface", "A"), (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/types", assertClasses()) ); } @Test public void defineImports() { test( (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/imports", assertImports()), (a) -> assertImport(a, "import java.util.stream.Stream;", "", "java.util.stream.Stream"), (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/imports", assertImports()), (a) -> assertImport(a, "import java.util.stream.*;", "", "java.util.stream.*"), (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/imports", assertImports()), (a) -> assertImport(a, "import static java.lang.Math.PI;", "static", "java.lang.Math.PI"), (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/imports", assertImports()), (a) -> assertImport(a, "import static java.lang.Math.*;", "static", "java.lang.Math.*"), (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/imports", assertImports()) ); } @Test public void defineVar() { test( (a) -> assertCommand(a, "int x = 72", "x ==> 72"), (a) -> assertCommand(a, "x", "x ==> 72"), (a) -> assertCommand(a, "/vars", "| int x = 72") ); } @Test public void defineUnresolvedVar() { test( (a) -> assertCommand(a, "undefined x", "| created variable x, however, it cannot be referenced until class undefined is declared"), (a) -> assertCommand(a, "/vars", "| undefined x = (not-active)") ); } @Test public void testUnresolved() { test( (a) -> assertCommand(a, "int f() { return g() + x + new A().a; }", "| created method f(), however, it cannot be invoked until method g(), variable x, and class A are declared"), (a) -> assertCommand(a, "f()", "| attempted to call method f() which cannot be invoked until method g(), variable x, and class A are declared"), (a) -> assertCommandOutputStartsWith(a, "int g() { return x; }", "| created method g(), however, it cannot be invoked until variable x is declared"), (a) -> assertCommand(a, "g()", "| attempted to call method g() which cannot be invoked until variable x is declared") ); } @Test public void testAbstractMethod() { test( (a) -> assertCommand(a, "abstract int f(int x);", "| created method f(int), however, it cannot be invoked until method f(int) is declared"), (a) -> assertCommand(a, "f(13)", "| attempted to call method f(int) which cannot be invoked until method f(int) is declared"), (a) -> assertCommand(a, " abstract void m(Blah b);", "| created method m(Blah), however, it cannot be referenced until class Blah, and method m(Blah) are declared") ); } // 8199623 @Test public void testTwoForkedDrop() { test( (a) -> assertCommand(a, "void p() throws Exception { ((String) null).toString(); }", "| created method p()"), (a) -> assertCommand(a, "void n() throws Exception { try { p(); } catch (Exception ex) { throw new IOException(\"bar\", ex); }} ", "| created method n()"), (a) -> assertCommand(a, "void m() { try { n(); } catch (Exception ex) { throw new RuntimeException(\"foo\", ex); }}", "| created method m()"), (a) -> assertCommand(a, "void c() throws Throwable { p(); }", "| created method c()"), (a) -> assertCommand(a, "/drop p", "| dropped method p()"), (a) -> assertCommand(a, "m()", "| attempted to call method n() which cannot be invoked until method p() is declared"), (a) -> assertCommand(a, "/meth n", "| void n()\n" + "| which cannot be invoked until method p() is declared"), (a) -> assertCommand(a, "/meth m", "| void m()"), (a) -> assertCommand(a, "/meth c", "| void c()\n" + "| which cannot be invoked until method p() is declared") ); } @Test public void testUnknownCommand() { test((a) -> assertCommand(a, "/unknown", "| Invalid command: /unknown\n" + "| Type /help for help.")); } @Test public void testEmptyClassPath() { test(after -> assertCommand(after, "/env --class-path", "| Argument to class-path missing.")); } @Test public void testInvalidClassPath() { test( a -> assertCommand(a, "/env --class-path snurgefusal", "| File 'snurgefusal' for '--class-path' is not found."), a -> assertCommand(a, "/env --class-path ?", "| File '?' for '--class-path' is not found.") ); } @Test public void testNoArgument() { test( (a) -> assertCommand(a, "/save", "| '/save' requires a filename argument."), (a) -> assertCommand(a, "/open", "| '/open' requires a filename argument."), (a) -> assertCommandOutputStartsWith(a, "/drop", "| In the /drop argument, please specify an import, variable, method, or class to drop.") ); } @Test public void testDebug() { test( (a) -> assertCommand(a, "/deb", "| Debugging on"), (a) -> assertCommand(a, "/debug", "| Debugging off"), (a) -> assertCommand(a, "/debug", "| Debugging on"), (a) -> assertCommand(a, "/deb", "| Debugging off") ); } @Test public void testDrop() { test(false, new String[]{"--no-startup"}, a -> assertVariable(a, "int", "a"), a -> dropVariable(a, "/drop 1", "int a = 0", "| dropped variable a"), a -> assertMethod(a, "int b() { return 0; }", "()int", "b"), a -> dropMethod(a, "/drop 2", "int b()", "| dropped method b()"), a -> assertClass(a, "class A {}", "class", "A"), a -> dropClass(a, "/drop 3", "class A", "| dropped class A"), a -> assertImport(a, "import java.util.stream.*;", "", "java.util.stream.*"), a -> dropImport(a, "/drop 4", "import java.util.stream.*", ""), a -> assertCommand(a, "for (int i = 0; i < 10; ++i) {}", ""), a -> assertCommand(a, "/drop 5", ""), a -> assertCommand(a, "/list", ""), a -> assertCommandCheckOutput(a, "/vars", assertVariables()), a -> assertCommandCheckOutput(a, "/methods", assertMethods()), a -> assertCommandCheckOutput(a, "/types", assertClasses()), a -> assertCommandCheckOutput(a, "/imports", assertImports()) ); test(false, new String[]{"--no-startup"}, a -> assertVariable(a, "int", "a"), a -> dropVariable(a, "/drop a", "int a = 0", "| dropped variable a"), a -> assertMethod(a, "int b() { return 0; }", "()int", "b"), a -> dropMethod(a, "/drop b", "int b()", "| dropped method b()"), a -> assertClass(a, "class A {}", "class", "A"), a -> dropClass(a, "/drop A", "class A", "| dropped class A"), a -> assertCommandCheckOutput(a, "/vars", assertVariables()), a -> assertCommandCheckOutput(a, "/methods", assertMethods()), a -> assertCommandCheckOutput(a, "/types", assertClasses()), a -> assertCommandCheckOutput(a, "/imports", assertImports()) ); } @Test public void testDropRange() { test(false, new String[]{"--no-startup"}, a -> assertVariable(a, "int", "a"), a -> assertMethod(a, "int b() { return 0; }", "()int", "b"), a -> assertClass(a, "class A {}", "class", "A"), a -> assertImport(a, "import java.util.stream.*;", "", "java.util.stream.*"), a -> assertCommand(a, "for (int i = 0; i < 10; ++i) {}", ""), a -> assertCommand(a, "/drop 3-5 b 1", "| dropped class A\n" + "| dropped method b()\n" + "| dropped variable a\n"), a -> assertCommand(a, "/list", "") ); } @Test public void testDropNegative() { test(false, new String[]{"--no-startup"}, a -> assertCommandOutputStartsWith(a, "/drop 0", "| No snippet with ID: 0"), a -> assertCommandOutputStartsWith(a, "/drop a", "| No such snippet: a"), a -> assertCommandCheckOutput(a, "/drop", assertStartsWith("| In the /drop argument, please specify an import, variable, method, or class to drop.")), a -> assertVariable(a, "int", "a"), a -> assertCommand(a, "a", "a ==> 0"), a -> assertCommand(a, "/drop 2", ""), a -> assertCommand(a, "/drop 2", "| This command does not accept the snippet '2' : a\n" + "| See /types, /methods, /vars, or /list") ); } @Test public void testAmbiguousDrop() { test( a -> assertVariable(a, "int", "a"), a -> assertMethod(a, "int a() { return 0; }", "()int", "a"), a -> assertClass(a, "class a {}", "class", "a"), a -> assertCommand(a, "/drop a", "| dropped variable a\n" + "| dropped method a()\n" + "| dropped class a") ); test( a -> assertMethod(a, "int a() { return 0; }", "()int", "a"), a -> assertMethod(a, "double a(int a) { return 0; }", "(int)double", "a"), a -> assertMethod(a, "double a(double a) { return 0; }", "(double)double", "a"), a -> assertCommand(a, "/drop a", "| dropped method a()\n" + "| dropped method a(int)\n" + "| dropped method a(double)\n") ); } @Test public void testApplicationOfPost() { test( (a) -> assertCommand(a, "/set mode t normal -command", "| Created new feedback mode: t"), (a) -> assertCommand(a, "/set feedback t", "| Feedback mode: t"), (a) -> assertCommand(a, "/set format t post \"$%n\"", ""), (a) -> assertCommand(a, "/set prompt t \"+\" \"-\"", ""), (a) -> assertCommand(a, "/set prompt t", "| /set prompt t \"+\" \"-\"$") ); } @Test public void testHelpLength() { Consumer testOutput = (s) -> { List ss = Stream.of(s.split("\n")) .filter(l -> !l.isEmpty()) .collect(Collectors.toList()); assertTrue(ss.size() >= 10, "Help does not print enough lines:" + s); }; test( (a) -> assertCommandCheckOutput(a, "/?", testOutput), (a) -> assertCommandCheckOutput(a, "/help", testOutput), (a) -> assertCommandCheckOutput(a, "/help /list", testOutput) ); } @Test public void testHelp() { test( (a) -> assertHelp(a, "/?", "/list", "/help", "/exit", "intro"), (a) -> assertHelp(a, "/help", "/list", "/help", "/exit", "intro"), (a) -> assertHelp(a, "/help short", "shortcuts", "Tab"), (a) -> assertHelp(a, "/help keys", "line", "Shift", "imports", "history"), (a) -> assertHelp(a, "/? /li", "/list -all", "snippets"), (a) -> assertHelp(a, "/help /set prompt", "optionally contain '%s'", "quoted"), (a) -> assertHelp(a, "/help /help", "/help "), (a) -> assertHelp(a, "/help li", "/list -start"), (a) -> assertHelp(a, "/help fe", "/set feedback -retain") ); } @Test public void testHelpStart() { test( (a) -> assertCommandCheckOutput(a, "/help /exit", s -> assertTrue(s.replaceAll("\\r\\n?", "\n").startsWith( "| \n" + "| /exit\n" + "| =====\n" + "| " )) ) ); } @Test public void testHelpFormat() { test( (a) -> assertCommandCheckOutput(a, "/help", s -> { String[] lines = s.split("\\R"); assertTrue(lines.length > 20, "Too few lines of /help output: " + lines.length + "\n" + s); for (int i = 0; i < lines.length; ++i) { String l = lines[i]; assertTrue(l.startsWith("| "), "Expected /help line to start with | :\n" + l); assertTrue(l.length() <= 80, "/help line too long: " + l.length() + "\n" + l); } }) ); } @Test public void testConfusedUserPseudoCommands() { test( (a) -> assertHelp(a, "/-", "last snippet", "digits"), (a) -> assertHelp(a, "/", "last snippet", "digits") ); } private void assertHelp(boolean a, String command, String... find) { assertCommandCheckOutput(a, command, s -> { for (String f : find) { assertTrue(s.contains(f), "Expected output of " + command + " to contain: " + f + "\n" + s); } }); } // Check that each line of output contains the corresponding string from the list private void checkLineToList(String in, List match) { String trimmed = in.trim(); String[] res = trimmed.isEmpty() ? new String[0] : trimmed.split("\n"); assertEquals(res.length, match.size(), "Got: " + Arrays.asList(res)); for (int i = 0; i < match.size(); ++i) { assertTrue(res[i].contains(match.get(i))); } } @Test public void testListArgs() { String arg = "qqqq"; List startVarList = new ArrayList<>(START_UP); startVarList.add("int aardvark"); startVarList.add("int weevil"); test( a -> assertCommandCheckOutput(a, "/list -all", s -> checkLineToList(s, START_UP)), a -> assertCommandOutputStartsWith(a, "/list " + arg, "| No such snippet: " + arg), a -> assertVariable(a, "int", "aardvark"), a -> assertVariable(a, "int", "weevil"), a -> assertCommandOutputContains(a, "/list aardvark", "aardvark"), a -> assertCommandCheckOutput(a, "/list -start", s -> checkLineToList(s, START_UP)), a -> assertCommandCheckOutput(a, "/list -all", s -> checkLineToList(s, startVarList)), a -> assertCommandOutputStartsWith(a, "/list s3", "s3 : import"), a -> assertCommandCheckOutput(a, "/list 1-2 s3", s -> { assertTrue(Pattern.matches(".*aardvark.*\\R.*weevil.*\\R.*s3.*import.*", s.trim()), "No match: " + s); }), a -> assertCommandOutputStartsWith(a, "/list " + arg, "| No such snippet: " + arg) ); } @Test public void testVarsArgs() { String arg = "qqqq"; List startVarList = new ArrayList<>(); test( a -> assertCommandCheckOutput(a, "/vars -all", s -> checkLineToList(s, startVarList)), a -> assertCommand(a, "/vars " + arg, "| No such snippet: " + arg), a -> assertVariable(a, "int", "aardvark"), a -> assertMethod(a, "int f() { return 0; }", "()int", "f"), a -> assertVariable(a, "int", "a"), a -> assertVariable(a, "double", "a", "1", "1.0"), a -> assertCommandOutputStartsWith(a, "/vars aardvark", "| int aardvark = 0"), a -> assertCommandCheckOutput(a, "/vars -start", s -> checkLineToList(s, startVarList)), a -> assertCommandOutputStartsWith(a, "/vars -all", "| int aardvark = 0\n| int a = "), a -> assertCommandOutputStartsWith(a, "/vars 1-4", "| int aardvark = 0\n| int a = "), a -> assertCommandOutputStartsWith(a, "/vars f", "| This command does not accept the snippet 'f'"), a -> assertCommand(a, "/var " + arg, "| No such snippet: " + arg) ); } @Test public void testMethodsArgs() { String arg = "qqqq"; List printingMethodList = new ArrayList<>(PRINTING_CMD_METHOD); test(new String[]{"--startup", "PRINTING"}, a -> assertCommandCheckOutput(a, "/methods -all", s -> checkLineToList(s, printingMethodList)), a -> assertCommandCheckOutput(a, "/methods -start", s -> checkLineToList(s, printingMethodList)), a -> assertCommandCheckOutput(a, "/methods print println printf", s -> checkLineToList(s, printingMethodList)), a -> assertCommandCheckOutput(a, "/methods println", s -> assertEquals(s.trim().split("\n").length, 10)), a -> assertCommandCheckOutput(a, "/methods", s -> checkLineToList(s, printingMethodList)), a -> assertCommandOutputStartsWith(a, "/methods " + arg, "| No such snippet: " + arg), a -> assertMethod(a, "int f() { return 0; }", "()int", "f"), a -> assertVariable(a, "int", "aardvark"), a -> assertMethod(a, "void f(int a) { g(); }", "(int)void", "f"), a -> assertMethod(a, "void g() {}", "()void", "g"), a -> assertCommandOutputStartsWith(a, "/methods " + arg, "| No such snippet: " + arg), a -> assertCommandOutputStartsWith(a, "/methods aardvark", "| This command does not accept the snippet 'aardvark' : int aardvark"), a -> assertCommandCheckOutput(a, "/methods -start", s -> checkLineToList(s, printingMethodList)), a -> assertCommandCheckOutput(a, "/methods print println printf", s -> checkLineToList(s, printingMethodList)), a -> assertCommandOutputStartsWith(a, "/methods g", "| void g()"), a -> assertCommandOutputStartsWith(a, "/methods f", "| int f()\n" + "| void f(int)") ); } @Test public void testMethodsWithErrors() { test(new String[]{"--no-startup"}, a -> assertCommand(a, "double m(int x) { return x; }", "| created method m(int)"), a -> assertCommand(a, "GARBAGE junk() { return TRASH; }", "| created method junk(), however, it cannot be referenced until class GARBAGE, and variable TRASH are declared"), a -> assertCommand(a, "int w = 5;", "w ==> 5"), a -> assertCommand(a, "int tyer() { return w; }", "| created method tyer()"), a -> assertCommand(a, "String w = \"hi\";", "w ==> \"hi\""), a -> assertCommand(a, "/methods", "| double m(int)\n" + "| GARBAGE junk()\n" + "| which cannot be referenced until class GARBAGE, and variable TRASH are declared\n" + "| int tyer()\n" + "| which cannot be invoked until this error is corrected: \n" + "| incompatible types: java.lang.String cannot be converted to int\n" + "| int tyer() { return w; }\n" + "| ^\n") ); } @Test public void testTypesWithErrors() { test(new String[]{"--no-startup"}, a -> assertCommand(a, "class C extends NONE { int x; }", "| created class C, however, it cannot be referenced until class NONE is declared"), a -> assertCommand(a, "class D { void m() { System.out.println(nada); } }", "| created class D, however, it cannot be instantiated or its methods invoked until variable nada is declared"), a -> assertCommand(a, "/types", "| class C\n" + "| which cannot be referenced until class NONE is declared\n" + "| class D\n" + "| which cannot be instantiated or its methods invoked until variable nada is declared\n") ); } @Test public void testTypesArgs() { String arg = "qqqq"; List startTypeList = new ArrayList<>(); test( a -> assertCommandCheckOutput(a, "/types -all", s -> checkLineToList(s, startTypeList)), a -> assertCommandCheckOutput(a, "/types -start", s -> checkLineToList(s, startTypeList)), a -> assertCommandOutputStartsWith(a, "/types " + arg, "| No such snippet: " + arg), a -> assertVariable(a, "int", "aardvark"), (a) -> assertClass(a, "class A { }", "class", "A"), (a) -> assertClass(a, "interface A { }", "interface", "A"), a -> assertCommandOutputStartsWith(a, "/types -all", "| class A\n" + "| interface A"), (a) -> assertClass(a, "enum E { }", "enum", "E"), (a) -> assertClass(a, "@interface B { }", "@interface", "B"), a -> assertCommand(a, "/types aardvark", "| This command does not accept the snippet 'aardvark' : int aardvark;"), a -> assertCommandOutputStartsWith(a, "/types A", "| interface A"), a -> assertCommandOutputStartsWith(a, "/types E", "| enum E"), a -> assertCommandOutputStartsWith(a, "/types B", "| @interface B"), a -> assertCommandOutputStartsWith(a, "/types " + arg, "| No such snippet: " + arg), a -> assertCommandCheckOutput(a, "/types -start", s -> checkLineToList(s, startTypeList)) ); } @Test public void testBlankLinesInSnippetContinuation() { test(Locale.ROOT, false, new String[]{"--no-startup"}, "", a -> assertCommand(a, "class C {", ""), a -> assertCommand(a, "", ""), a -> assertCommand(a, "", ""), a -> assertCommand(a, " int x;", ""), a -> assertCommand(a, "", ""), a -> assertCommand(a, "", ""), a -> assertCommand(a, "}", "| created class C"), a -> assertCommand(a, "/list", "\n" + " 1 : class C {\n" + " \n" + " \n" + " int x;\n" + " \n" + " \n" + " }") ); } @Test public void testCompoundStart() { test(new String[]{"-R", "-Duser.language=en", "-R", "-Duser.country=US", "--startup", "DEFAULT", "--startup", "PRINTING", "--startup", "TOOLING"}, (a) -> assertCommand(a, "printf(\"%4.2f\", Math.PI)", "", "", null, "3.14", ""), (a) -> assertCommand(a, "jar(\"--version\")", "", "", null, "jar " + System.getProperty("java.version") + "\n", "") ); } @Test public void testJavaSeStart() { test(new String[]{"--startup", "JAVASE"}, (a) -> assertCommand(a, "ZoneOffsetTransitionRule.TimeDefinition.WALL", "$1 ==> WALL") ); } @Test public void testJavaSeSetStart() { test( (a) -> assertCommand(a, "/set sta JAVASE", ""), (a) -> assertCommand(a, "/reset", "| Resetting state."), (a) -> assertCommandCheckOutput(a, "/li -a", s -> assertTrue(s.split("import ").length > 160, "not enough imports for JAVASE:\n" + s)) ); } @Test public void defineClasses() { test( (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/types", assertClasses()), (a) -> assertClass(a, "class A { }", "class", "A"), (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/types", assertClasses()), (a) -> assertClass(a, "interface A { }", "interface", "A"), (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/types", assertClasses()), (a) -> assertClass(a, "enum A { }", "enum", "A"), (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/types", assertClasses()), (a) -> assertClass(a, "@interface A { }", "@interface", "A"), (a) -> assertCommandCheckOutput(a, "/list", assertList()), (a) -> assertCommandCheckOutput(a, "/types", assertClasses()) ); } @Test public void testCommandPrefix() { test(a -> assertCommandCheckOutput(a, "/s", assertStartsWith("| Command: '/s' is ambiguous: /save, /set")), a -> assertCommand(a, "int var", "var ==> 0"), a -> assertCommandCheckOutput(a, "/va", assertStartsWith("| int var = 0")), a -> assertCommandCheckOutput(a, "/save", assertStartsWith("| '/save' requires a filename argument."))); } @Test public void testOptionQ() { test(Locale.ROOT, false, new String[]{"-q", "--no-startup"}, "", (a) -> assertCommand(a, "1+1", "$1 ==> 2"), (a) -> assertCommand(a, "int x = 5", "") ); } @Test public void testOptionS() { test(Locale.ROOT, false, new String[]{"-s", "--no-startup"}, "", (a) -> assertCommand(a, "1+1", "") ); } @Test public void testOptionV() { test(new String[]{"-v", "--no-startup"}, (a) -> assertCommand(a, "1+1", "$1 ==> 2\n" + "| created scratch variable $1 : int") ); } @Test public void testOptionFeedback() { test(Locale.ROOT, false, new String[]{"--feedback", "concise", "--no-startup"}, "", (a) -> assertCommand(a, "1+1", "$1 ==> 2"), (a) -> assertCommand(a, "int x = 5", "") ); } @Test public void testCompoundOptions() { Consumer confirmNoStartup = s -> { assertEquals(0, Stream.of(s.split("\n")) .filter(l -> !l.isEmpty()) .count(), "Expected no lines: " + s); }; test(Locale.ROOT, false, new String[]{"-nq"}, "", (a) -> assertCommandCheckOutput(a, "/list -all", confirmNoStartup), (a) -> assertCommand(a, "1+1", "$1 ==> 2"), (a) -> assertCommand(a, "int x = 5", "") ); test(Locale.ROOT, false, new String[]{"-qn"}, "", (a) -> assertCommandCheckOutput(a, "/list -all", confirmNoStartup), (a) -> assertCommand(a, "1+1", "$1 ==> 2"), (a) -> assertCommand(a, "int x = 5", "") ); test(Locale.ROOT, false, new String[]{"-ns"}, "", (a) -> assertCommandCheckOutput(a, "/list -all", confirmNoStartup), (a) -> assertCommand(a, "1+1", "") ); } @Test public void testOptionR() { test(new String[]{"-R-Dthe.sound=blorp", "--no-startup"}, (a) -> assertCommand(a, "System.getProperty(\"the.sound\")", "$1 ==> \"blorp\"") ); } @Test public void testWrapSourceHandlerDiagCrash() { test(new String[]{"--add-exports", "jdk.javadoc/ALL-UNNAMED"}, (a) -> assertCommand(a, "1+1", "$1 ==> 2") ); } @Test public void test8156910() { test( (a) -> assertCommandOutputContains(a, "System.out.println(\"%5d\", 10);", "%5d"), (a) -> assertCommandOutputContains(a, "1234", "==> 1234") ); } @Test public void testIntersection() { test( (a) -> assertCommandOutputContains(a, " Z get1() { return null; }", "get1()"), (a) -> assertCommandOutputContains(a, "var g1 = get1()", "g1"), (a) -> assertCommand(a, "/vars g1", "| CharSequence&Runnable g1 = null"), (a) -> assertCommandOutputContains(a, " Z get2() { return null; }", "get2()"), (a) -> assertCommandOutputContains(a, "var g2 = get2()", "g2"), (a) -> assertCommand(a, "/vars g2", "| Number&CharSequence g2 = null") ); } @Test public void testAnonymous() { test( (a) -> assertCommandOutputContains(a, "var r1 = new Object() {}", "r1"), (a) -> assertCommandOutputContains(a, "/vars r1", "| r1 = "), (a) -> assertCommandOutputContains(a, "var r2 = new Runnable() { public void run() { } }", "r2"), (a) -> assertCommandOutputContains(a, "/vars r2", "| r2 = "), (a) -> assertCommandOutputContains(a, "import java.util.stream.*;", ""), (a) -> assertCommandOutputContains(a, "var list = Stream.of(1, 2, 3).map(j -> new Object() { int i = j; }).collect(Collectors.toList());", "list"), (a) -> assertCommandOutputContains(a, "/vars list", "| List<> list = ") ); } // This is mainly interesting in the TestLocalSimpleTest case (8198573) @Test public void testUpdateFalsePositive() { test( a -> assertClass(a, "class A { int a() { int error = 0; return error; } }", "class", "A"), a -> assertVariable(a, "A", "a", "new A()", "A@.+"), a -> assertVariable(a, "int", "error", "4711", "4711"), a -> assertCommandOutputContains(a, "a", "A@") ); } @Test public void testRecords() { test(new String[] {}, (a) -> assertCommandOutputContains(a, "record R(int i) { public int g() { return j; } }", "| created record R, however, it cannot be instantiated or its methods invoked until variable j is declared"), (a) -> assertCommandOutputContains(a, "new R(0)", "| attempted to use record R which cannot be instantiated or its methods invoked until variable j is declared") ); } @Test public void testImportChange() { for (String feedback : new String[] {"verbose", "normal"}) { test( (a) -> assertCommandOutputContains(a, "/set feedback " + feedback, "| Feedback mode: " + feedback), (a) -> assertCommand(a, "import java.util.*", ""), (a) -> assertCommandOutputContains(a, "var v1 = List.of(1);", "v1 ==> [1]"), (a) -> assertCommandOutputContains(a, "import java.awt.List;", "| update replaced variable v1 which cannot be referenced until this error is corrected:"), (a) -> assertCommandOutputContains(a, "var b = java.util.List.of(\"bb\")", "b ==> [bb]"), (a) -> assertCommandOutputContains(a, "b", "b ==> [bb]") ); } } @Test public void testSwitchStatementExpressionDisambiguation() { test(false, new String[]{"--no-startup"}, (a) -> assertCommand(a, "switch (0) { default -> 0; }", "$1 ==> 0"), (a) -> assertCommand(a, "int i;", "i ==> 0"), (a) -> assertCommand(a, "switch (0) { case 0 -> i = 1; }", ""), (a) -> assertCommand(a, "i", "i ==> 1"), (a) -> assertCommandOutputStartsWith(a, "switch (0) { default -> throw new IllegalStateException(); }", "| Exception java.lang.IllegalStateException") ); test(false, new String[]{"--no-startup", "-C-source", "-C8"}, (a) -> assertCommand(a, "int i;", "i ==> 0"), (a) -> assertCommand(a, "switch (0) { default: i = 1; }", ""), (a) -> assertCommand(a, "i", "i ==> 1") ); } @Test public void testSwitchExpressionYieldUnknownType() { test(a -> assertCommandOutputContains(a, "I m(I i, int x) { return switch (x) { default -> i; }; } ", "created method m(I,int), however, it cannot be referenced until class I is declared")); } @Test public void testSelfReference() { test( (a) -> assertCommandOutputContains(a, "var a = a;", "cannot use 'var' on self-referencing variable") ); } }