106 lines
4.5 KiB
Java
106 lines
4.5 KiB
Java
/*
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* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8297974
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* @summary Verify error recovery w.r.t. lambdas
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* @library /tools/lib
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* @enablePreview
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* @modules jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.main
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* java.base/jdk.internal.classfile.impl
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* @build toolbox.ToolBox toolbox.JavacTask
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* @run main LambdaRecovery
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*/
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import java.nio.file.Path;
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import java.util.List;
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import java.util.Objects;
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import toolbox.JavacTask;
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import toolbox.Task.Expect;
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import toolbox.Task.OutputKind;
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import toolbox.TestRunner;
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import toolbox.ToolBox;
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public class LambdaRecovery extends TestRunner {
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ToolBox tb;
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public LambdaRecovery() {
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super(System.err);
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tb = new ToolBox();
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}
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public static void main(String[] args) throws Exception {
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LambdaRecovery t = new LambdaRecovery();
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t.runTests();
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}
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@Test
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public void testRecoveryExpressionLambda() throws Exception {
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String code = """
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class Test {
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interface I {
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int convert(int i);
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}
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interface O {
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Object convert(Object o);
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}
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void t1(I f, String e) {
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t1(param -> param);
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t1(param -> voidMethod(param));
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}
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void t2(O f, String e) {
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t2(param -> param);
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t2(param -> voidMethod(param));
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}
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void voidMethod(Object o) {}
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}
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""";
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Path curPath = Path.of(".");
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List<String> actual = new JavacTask(tb)
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.options("-XDrawDiagnostics", "-XDdev")
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.sources(code)
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.outdir(curPath)
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.run(Expect.FAIL)
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.getOutputLines(OutputKind.DIRECT);
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List<String> expected = List.of(
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"Test.java:9:9: compiler.err.cant.apply.symbol: kindname.method, t1, Test.I,java.lang.String, @12, kindname.class, Test, (compiler.misc.arg.length.mismatch)",
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"Test.java:10:9: compiler.err.cant.apply.symbol: kindname.method, t1, Test.I,java.lang.String, @12, kindname.class, Test, (compiler.misc.arg.length.mismatch)",
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"Test.java:10:11: compiler.err.cant.apply.symbol: kindname.method, t1, Test.I,java.lang.String, @12,<any>, kindname.class, Test, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.incompatible.ret.type.in.lambda: (compiler.misc.inconvertible.types: void, int)))",
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"Test.java:13:9: compiler.err.cant.apply.symbol: kindname.method, t2, Test.O,java.lang.String, @12, kindname.class, Test, (compiler.misc.arg.length.mismatch)",
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"Test.java:14:9: compiler.err.cant.apply.symbol: kindname.method, t2, Test.O,java.lang.String, @12, kindname.class, Test, (compiler.misc.arg.length.mismatch)",
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"Test.java:14:11: compiler.err.cant.apply.symbol: kindname.method, t2, Test.O,java.lang.String, @12,<any>, kindname.class, Test, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.incompatible.ret.type.in.lambda: (compiler.misc.inconvertible.types: void, java.lang.Object)))",
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"6 errors"
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);
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if (!Objects.equals(actual, expected)) {
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error("Expected: " + expected + ", but got: " + actual);
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}
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}
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}
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