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/*
* Copyright (c) 2018, 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 8198315
* @summary Verify that diagnostics can be printed without throwing CompletionFailures
* @library /tools/lib
* @modules jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.main
* @build toolbox.TestRunner toolbox.ToolBox CompletionFailureInDiags
* @run main CompletionFailureInDiags
*/
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;
import java.util.Objects;
import toolbox.JavacTask;
import toolbox.Task.Expect;
import toolbox.Task.OutputKind;
import toolbox.TestRunner;
import toolbox.TestRunner.Test;
import toolbox.ToolBox;
public class CompletionFailureInDiags extends TestRunner {
public static void main(String... args) throws Exception {
new CompletionFailureInDiags().runTests(m -> new Object[] { Paths.get(m.getName()) });
}
private final ToolBox tb = new ToolBox();
public CompletionFailureInDiags() {
super(System.err);
}
@Test
public void testCrashInDiagReport(Path outerBase) throws Exception {
int c = 0;
for (Bound bound : Bound.values()) {
for (AdditionalParams params : AdditionalParams.values()) {
for (Delete delete : Delete.values()) {
doRunCrashTest(outerBase.resolve(String.valueOf(c++)), bound, params, delete);
}
}
}
}
private enum Bound {
A("A"),
AA2("A&A2");
private final String bound;
private Bound(String bound) {
this.bound = bound;
}
}
private enum AdditionalParams {
NONE(new String[0], null),
RAD_DIAGS(new String[] {"-XDrawDiagnostics"},
List.of("Test.java:3:10: compiler.err.cant.apply.symbol: kindname.method, " +
"f, " +
"java.lang.String, " +
"compiler.misc.type.null,compiler.misc.type.null, " +
"kindname.class, " +
"D<T>, " +
"(compiler.misc.arg.length.mismatch)",
"1 error"));
private final String[] options;
private final List<String> expected;
private AdditionalParams(String[] options, List<String> expected) {
this.options = options;
this.expected = expected;
}
}
private enum Delete {
NONE(),
A("A.class"),
AA2("A.class", "A2.class");
private final String[] toDelete;
private Delete(String... toDelete) {
this.toDelete = toDelete;
}
}
private void doRunCrashTest(Path outerBase, Bound bound, AdditionalParams params, Delete delete) throws Exception {
Path libSrc = outerBase.resolve("lib-src");
tb.writeJavaFiles(libSrc,
"public class A {}",
"public interface A2 {}",
"public class B extends A implements A2 {}",
"public class C extends D<B> {}\n",
"public class D<T extends " + bound.bound + "> {\n" +
" public void f(String s) {}\n" +
"}");
Path lib = outerBase.resolve("lib");
Files.createDirectories(lib);
new JavacTask(tb)
.outdir(lib.toString())
.files(tb.findJavaFiles(libSrc))
.run()
.writeAll();
for (String del : delete.toDelete) {
Files.delete(lib.resolve(del));
}
Path src = outerBase.resolve("src");
tb.writeJavaFiles(src,
"public class Test {\n" +
" public void test(C c) {\n" +
" c.f(null, null);\n" +
" }\n" +
"}");
Path classes = outerBase.resolve("classes");
Files.createDirectories(classes);
List<String> actual = new JavacTask(tb)
.options(params.options)
.classpath(lib)
.outdir(classes.toString())
.sourcepath()
.files(tb.findJavaFiles(src))
.run(Expect.FAIL)
.writeAll()
.getOutputLines(OutputKind.DIRECT);
if (params.expected != null && !Objects.equals(params.expected, actual)) {
throw new AssertionError("Unexpected output!");
}
}
}
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