88 lines
3.9 KiB
Java
88 lines
3.9 KiB
Java
/*
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* Copyright (c) 2023, 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 8317048
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* @summary VerifyError with unnamed pattern variable and more than one components
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* @enablePreview
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* @compile T8317048.java
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* @run main T8317048
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*/
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public class T8317048 {
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record Tuple<T1, T2>(T1 first, T2 second) {}
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record R1<T>(Integer value) implements R<T> {}
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record R2<T>(Integer value) implements R<T> {}
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sealed interface R<T> {}
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static <T1 extends Comparable, T2 extends Comparable> int meth1(Tuple<R<T1>, R<T2>> o) {
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return switch (o) {
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case Tuple<R<T1>, R<T2>>(R1<T1> _, R1<T2> _) -> -1;
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case Tuple<R<T1>, R<T2>>(R1<T1> _, R2<T2> _) -> -1;
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case Tuple<R<T1>, R<T2>>(R2<T1> _, R1<T2> _) -> -1;
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case Tuple<R<T1>, R<T2>>(R2<T1> fst, R2<T2> snd) -> fst.value().compareTo(snd.value());
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};
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}
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static <T1 extends Comparable, T2 extends Comparable> int meth2(Tuple<R<T1>, R<T2>> o) {
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return switch (o) {
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case Tuple<R<T1>, R<T2>>(R1<T1> _, R1<T2> _) -> -1;
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case Tuple<R<T1>, R<T2>>(R1<T1> fst, R2<T2> snd) -> fst.value().compareTo(snd.value());
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case Tuple<R<T1>, R<T2>>(R2<T1> _, R1<T2> _) -> -1;
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case Tuple<R<T1>, R<T2>>(R2<T1> fst, R2<T2> snd) -> fst.value().compareTo(snd.value());
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};
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}
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static <T1 extends Comparable, T2 extends Comparable> int meth3(Tuple<R<T1>, R<T2>> o) {
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return switch (o) {
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case Tuple<R<T1>, R<T2>>(R1<T1> fst, R1<T2> _) -> fst.value();
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case Tuple<R<T1>, R<T2>>(R1<T1> _, R2<T2> snd) -> snd.value();
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case Tuple<R<T1>, R<T2>>(R2<T1> _, R1<T2> _) -> -1;
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case Tuple<R<T1>, R<T2>>(R2<T1> fst, R2<T2> snd) -> fst.value().compareTo(snd.value());
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};
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}
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static <T1 extends Comparable, T2 extends Comparable> int meth4(Tuple<R<T1>, R<T2>> o) {
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return switch (o) {
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case Tuple<R<T1>, R<T2>>(R1<T1> _, R1<T2> _) -> -1;
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case Tuple<R<T1>, R<T2>>(R1<T1> _, R2<T2> _) -> -1;
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case Tuple<R<T1>, R<T2>>(R2<T1> fst, R2<T2> snd) -> fst.value().compareTo(snd.value());
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case Tuple<R<T1>, R<T2>>(R2<T1> _, R1<T2> _) -> -1;
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};
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}
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public static void main(String[] args) {
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assertEquals(1, meth1(new Tuple<R<Integer>, R<Integer>>(new R2<>(2), new R2<>(1))));
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assertEquals(1, meth2(new Tuple<R<Integer>, R<Integer>>(new R1<>(2), new R2<>(1))));
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assertEquals(0, meth2(new Tuple<R<Integer>, R<Integer>>(new R2<>(1), new R2<>(1))));
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assertEquals(2, meth3(new Tuple<R<Integer>, R<Integer>>(new R1<>(2), new R1<>(1))));
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assertEquals(3, meth3(new Tuple<R<Integer>, R<Integer>>(new R1<>(2), new R2<>(3))));
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assertEquals(1, meth4(new Tuple<R<Integer>, R<Integer>>(new R2<>(2), new R2<>(1))));
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}
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static void assertEquals(int expected, int actual) {
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if (expected != actual) {
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throw new AssertionError("Expected: " + expected + ", but got: " + actual);
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}
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}
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} |