/* * Copyright (c) 2016, 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 8145471 * @summary javac changes for enhanced deprecation * @library /tools/lib * @modules jdk.compiler/com.sun.tools.javac.api * @modules jdk.compiler/com.sun.tools.javac.main * @build toolbox.JavacTask toolbox.TestRunner toolbox.ToolBox * @run main Removal */ import java.io.IOException; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.util.ArrayList; import java.util.Arrays; import java.util.EnumMap; import java.util.List; import java.util.Map; import java.util.stream.Collectors; import toolbox.JavacTask; import toolbox.Task.Expect; import toolbox.Task.OutputKind; import toolbox.TestRunner; import toolbox.ToolBox; /* * From JEP 277, JDK-8085614 * * use site | API declaration site * context | not dep. ord. dep. term. dep. * +---------------------------------- * not dep. | N W W * | * ord. dep. | N N (2) W (4) * | * term. dep. | N N (3) W (5) */ public class Removal extends TestRunner { public static void main(String... args) throws Exception { Removal r = new Removal(); r.runTests(m -> new Object[] { Paths.get(m.getName()) }); r.report(); } private final ToolBox tb = new ToolBox(); private final Path libSrc = Paths.get("lib").resolve("src"); private final Path libClasses = Paths.get("lib").resolve("classes"); int testCount = 0; /** * Options that may be used during compilation. */ enum Options { DEFAULT(), XLINT_DEPRECATED("-Xlint:deprecation"), XLINT_NO_REMOVAL("-Xlint:-removal"); Options(String... opts) { this.opts = Arrays.asList(opts); } final List<String> opts; } /** * The kind of deprecation. */ enum DeprKind { NONE("", null), DEPRECATED("@Deprecated ", "compiler.warn.has.been.deprecated"), REMOVAL("@Deprecated(forRemoval=true) ", "compiler.warn.has.been.deprecated.for.removal"); DeprKind(String anno, String warn) { this.anno = anno; this.warn = warn; } final String anno; final String warn; } final String[] lib = { "package lib; public class Class {\n" + " public static void method() { }\n" + " @Deprecated public static void depMethod() { }\n" + " @Deprecated(forRemoval=true) public static void remMethod() { }\n" + " public static int field;\n" + " @Deprecated public static int depField;\n" + " @Deprecated(forRemoval=true) public static int remField;\n" + "}", "package lib; @Deprecated public class DepClass { }", "package lib; @Deprecated(forRemoval=true) public class RemClass { }" }; /** * The kind of declaration to be referenced at the use site. */ enum RefKind { CLASS("lib.%s c;", "Class", "DepClass", "RemClass"), METHOD("{ lib.Class.%s(); }", "method", "depMethod", "remMethod"), FIELD("int i = lib.Class.%s;", "field", "depField", "remField"); RefKind(String template, String def, String dep, String rem) { fragments.put(DeprKind.NONE, String.format(template, def)); fragments.put(DeprKind.DEPRECATED, String.format(template, dep)); fragments.put(DeprKind.REMOVAL, String.format(template, rem)); } String getFragment(DeprKind k) { return fragments.get(k); } private final Map<DeprKind, String> fragments = new EnumMap<>(DeprKind.class); } /** * Get source code for a reference to a possibly-deprecated item declared in a library. * @param refKind the kind of element (class, method, field) being referenced * @param declDeprKind the kind of deprecation on the declaration of the item being referenced * @param useDeprKind the kind of deprecation enclosing the use site * @return */ static String getSource(RefKind refKind, DeprKind declDeprKind, DeprKind useDeprKind) { return "package p; " + useDeprKind.anno + "class Class { " + refKind.getFragment(declDeprKind) + " }"; } private static final String NO_OUTPUT = null; public Removal() throws IOException { super(System.err); initLib(); } void initLib() throws IOException { tb.writeJavaFiles(libSrc, lib); new JavacTask(tb) .outdir(Files.createDirectories(libClasses)) .files(tb.findJavaFiles(libSrc)) .run() .writeAll(); } void report() { out.println(testCount + " test cases"); } /* * Declaration site: not deprecated; use site: not deprecated * Options: default * Expect: no warnings */ @Test public void test_DeclNone_UseNone(Path base) throws IOException { for (RefKind rk : RefKind.values()) { test(base, getSource(rk, DeprKind.NONE, DeprKind.NONE), Options.DEFAULT, NO_OUTPUT); } } /* * Declaration site: not deprecated; use site: deprecated * Options: default * Expect: no warnings */ @Test public void test_DeclNone_UseDeprecated(Path base) throws IOException { for (RefKind rk : RefKind.values()) { test(base, getSource(rk, DeprKind.NONE, DeprKind.DEPRECATED), Options.DEFAULT, NO_OUTPUT); } } /* * Declaration site: not deprecated; use site: deprecated for removal * Options: default * Expect: no warnings */ @Test public void test_DeclNone_UseRemoval(Path base) throws IOException { for (RefKind rk : RefKind.values()) { test(base, getSource(rk, DeprKind.NONE, DeprKind.REMOVAL), Options.DEFAULT, NO_OUTPUT); } } /* * Declaration site: deprecated; use site: not deprecated * Options: default * Expect: deprecated note */ @Test public void test_DeclDeprecated_UseNone_Default(Path base) throws IOException { for (RefKind rk : RefKind.values()) { test(base, getSource(rk, DeprKind.DEPRECATED, DeprKind.NONE), Options.DEFAULT, "compiler.note.deprecated.filename: Class.java"); } } /* * Declaration site: deprecated; use site: not deprecated * Options: -Xlint:deprecation * Expect: deprecated warning */ @Test public void test_DeclDeprecated_UseNone_XlintDep(Path base) throws IOException { for (RefKind rk : RefKind.values()) { String error = "<unset>"; switch (rk) { case CLASS: error = "Class.java:1:29: compiler.warn.has.been.deprecated: lib.DepClass, lib"; break; case METHOD: error = "Class.java:1:37: compiler.warn.has.been.deprecated: depMethod(), lib.Class"; break; case FIELD: error = "Class.java:1:43: compiler.warn.has.been.deprecated: depField, lib.Class"; break; } test(base, getSource(rk, DeprKind.DEPRECATED, DeprKind.NONE), Options.XLINT_DEPRECATED, error); } } /* * Declaration site: deprecated; use site: deprecated * Options: default * Expect: no warnings */ @Test public void test_DeclDeprecated_UseDeprecated(Path base) throws IOException { for (RefKind rk : RefKind.values()) { test(base, getSource(rk, DeprKind.DEPRECATED, DeprKind.DEPRECATED), Options.DEFAULT, NO_OUTPUT); } } /* * Declaration site: deprecated; use site: deprecated for removal * Options: default * Expect: no warnings */ @Test public void test_DeclDeprecated_UseRemoval(Path base) throws IOException { for (RefKind rk : RefKind.values()) { test(base, getSource(rk, DeprKind.DEPRECATED, DeprKind.REMOVAL), Options.DEFAULT, NO_OUTPUT); } } /* * Declaration site: deprecated for removal; use site: not deprecated * Options: default * Expect: removal warning */ @Test public void test_DeclRemoval_UseNone_Default(Path base) throws IOException { for (RefKind rk : RefKind.values()) { String error = "<unset>"; switch (rk) { case CLASS: error = "Class.java:1:29: compiler.warn.has.been.deprecated.for.removal: lib.RemClass, lib"; break; case METHOD: error = "Class.java:1:37: compiler.warn.has.been.deprecated.for.removal: remMethod(), lib.Class"; break; case FIELD: error = "Class.java:1:43: compiler.warn.has.been.deprecated.for.removal: remField, lib.Class"; break; } test(base, getSource(rk, DeprKind.REMOVAL, DeprKind.NONE), Options.DEFAULT, error); } } /* * Declaration site: deprecated for removal; use site: not deprecated * Options: default, @SuppressWarnings("removal") * Expect: removal warning */ @Test public void test_DeclRemoval_UseNone_SuppressRemoval(Path base) throws IOException { for (RefKind rk : RefKind.values()) { String source = getSource(rk, DeprKind.REMOVAL, DeprKind.NONE) .replace("class Class", "@SuppressWarnings(\"removal\") class Class"); test(base, source, Options.DEFAULT, null); } } /* * Declaration site: deprecated for removal; use site: not deprecated * Options: -Xlint:-removal * Expect: removal note */ @Test public void test_DeclRemoval_UseNone_XlintNoRemoval(Path base) throws IOException { for (RefKind rk : RefKind.values()) { test(base, getSource(rk, DeprKind.REMOVAL, DeprKind.NONE), Options.XLINT_NO_REMOVAL, "compiler.note.removal.filename: Class.java"); } } /* * Declaration site: deprecated for removal; use site: deprecated * Options: default * Expect: removal warning */ @Test public void test_DeclRemoval_UseDeprecated_Default(Path base) throws IOException { for (RefKind rk : RefKind.values()) { String error = "<unset>"; switch (rk) { case CLASS: error = "Class.java:1:41: compiler.warn.has.been.deprecated.for.removal: lib.RemClass, lib"; break; case METHOD: error = "Class.java:1:49: compiler.warn.has.been.deprecated.for.removal: remMethod(), lib.Class"; break; case FIELD: error = "Class.java:1:55: compiler.warn.has.been.deprecated.for.removal: remField, lib.Class"; break; } test(base, getSource(rk, DeprKind.REMOVAL, DeprKind.DEPRECATED), Options.DEFAULT, error); } } /* * Declaration site: deprecated for removal; use site: deprecated * Options: -Xlint:-removal * Expect: removal note */ @Test public void test_DeclRemoval_UseDeprecated_XlintNoRemoval(Path base) throws IOException { for (RefKind rk : RefKind.values()) { test(base, getSource(rk, DeprKind.REMOVAL, DeprKind.DEPRECATED), Options.XLINT_NO_REMOVAL, "compiler.note.removal.filename: Class.java"); } } /* * Declaration site: deprecated for removal; use site: deprecated for removal * Options: default * Expect: removal warning */ @Test public void test_DeclRemoval_UseRemoval_Default(Path base) throws IOException { for (RefKind rk : RefKind.values()) { String error = "<unset>"; switch (rk) { case CLASS: error = "Class.java:1:58: compiler.warn.has.been.deprecated.for.removal: lib.RemClass, lib"; break; case METHOD: error = "Class.java:1:66: compiler.warn.has.been.deprecated.for.removal: remMethod(), lib.Class"; break; case FIELD: error = "Class.java:1:72: compiler.warn.has.been.deprecated.for.removal: remField, lib.Class"; break; } test(base, getSource(rk, DeprKind.REMOVAL, DeprKind.REMOVAL), Options.DEFAULT, error); } } /* * Declaration site: deprecated for removal; use site: deprecated for removal * Options: -Xlint:-removal * Expect: removal note */ @Test public void test_DeclRemoval_UseRemoval_XlintNoRemoval(Path base) throws IOException { for (RefKind rk : RefKind.values()) { test(base, getSource(rk, DeprKind.REMOVAL, DeprKind.REMOVAL), Options.XLINT_NO_REMOVAL, "compiler.note.removal.filename: Class.java"); } } /* * Additional special case: * there should not be any warnings for any reference in a type-import statement. */ @Test public void test_UseImports(Path base) throws IOException { String source = "import lib.Class;\n" + "import lib.DepClass;\n" + "import lib.RemClass;\n" + "class C { }"; for (Options o : Options.values()) { test(base, source, o, NO_OUTPUT); } } /** * Compile source code with given options, and check for expected output. * The compilation is done twice, first against the library in source form, * and then again, against the compiled library. * @param base base working directory * @param source the source code to be compiled * @param options the options for the compilation * @param expectText the expected output, or NO_OUTPUT, if none expected. * @throws IOException if an error occurs during the compilation */ private void test(Path base, String source, Options options, String expectText) throws IOException { test(base.resolve("lib-source"), libSrc, source, options, expectText); test(base.resolve("lib-classes"), libClasses, source, options, expectText); } /** * Compile source code with given options against a given version of the library, * and check for expected output. * @param base base working directory * @param lib the directory containing the library, in either source or compiled form * @param source the source code to be compiled * @param options the options for the compilation * @param expectText the expected output, or NO_OUTPUT, if none expected. * @throws IOException if an error occurs during the compilation */ private void test(Path base, Path lib, String source, Options options, String expectText) throws IOException { Expect expect = (expectText != null && expectText.contains("compiler.warn.")) ? Expect.FAIL : Expect.SUCCESS; test(base, lib, source, options.opts, expect, expectText); } /** * Compile source code with given options against a given version of the library, * and check for expected exit code and expected output. * @param base base working directory * @param lib the directory containing the library, in either source or compiled form * @param source the source code to be compiled * @param options the options for the compilation * @param expect the expected outcome of the compilation * @param expectText the expected output, or NO_OUTPUT, if none expected. * @throws IOException if an error occurs during the compilation */ private void test(Path base, Path lib, String source, List<String> options, Expect expect, String expectText) throws IOException { testCount++; Path src = base.resolve("src"); Path classes = Files.createDirectories(base.resolve("classes")); tb.writeJavaFiles(src, source); List<String> allOptions = new ArrayList<>(); allOptions.add("-XDrawDiagnostics"); allOptions.add("-Werror"); allOptions.addAll(options); out.println("Source: " + source); out.println("Classpath: " + lib); out.println("Options: " + options.stream().collect(Collectors.joining(" "))); String log = new JavacTask(tb) .outdir(classes) .classpath(lib) // use classpath for libSrc or libClasses .files(tb.findJavaFiles(src)) .options(allOptions.toArray(new String[0])) .run(expect) .writeAll() .getOutput(OutputKind.DIRECT); if (expectText == null) { if (!log.trim().isEmpty()) error("Unexpected text found: >>>" + log + "<<<"); } else { if (!log.contains(expectText)) error("expected text not found: >>>" + expectText + "<<<"); } } }