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46 changes: 46 additions & 0 deletions
46
test/langtools/tools/javac/diags/examples/MatcherOverloadingAmbiguity.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| /* | ||
| * Copyright (c) 2024, 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. | ||
| */ | ||
|
|
||
| // key: compiler.err.matcher.overloading.ambiguity | ||
| // key: compiler.misc.feature.matchers | ||
| // key: compiler.warn.preview.feature.use.plural | ||
| // options: --enable-preview -source ${jdk.version} -Xlint:preview | ||
|
|
||
| public class MatcherOverloadingAmbiguity { | ||
| private static int test(D o) { | ||
| if (o instanceof D(String data, Integer out)) { | ||
| return out; | ||
| } | ||
| return -1; | ||
| } | ||
|
|
||
| public record D() { | ||
| public __matcher D(Object v, Integer out) { | ||
| out = 1; | ||
| } | ||
|
|
||
| public __matcher D(CharSequence v, Integer out) { | ||
| out = 2; | ||
| } | ||
| } | ||
| } |
48 changes: 48 additions & 0 deletions
48
test/langtools/tools/javac/diags/examples/NoCompatibleMatcherFound.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| /* | ||
| * Copyright (c) 2024, 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. | ||
| */ | ||
|
|
||
| // key: compiler.err.no.compatible.matcher.found | ||
| // key: compiler.err.prob.found.req | ||
| // key: compiler.misc.inconvertible.types | ||
| // key: compiler.misc.feature.matchers | ||
| // key: compiler.warn.preview.feature.use.plural | ||
| // options: --enable-preview -source ${jdk.version} -Xlint:preview | ||
|
|
||
| public class NoCompatibleMatcherFound { | ||
| private static int test(D o) { | ||
| if (o instanceof D(String data, Integer out)) { | ||
| return out; | ||
| } | ||
| return -1; | ||
| } | ||
|
|
||
| public record D() { | ||
| public __matcher D(Object v1, Float out) { | ||
| out = 10.0f; | ||
| } | ||
|
|
||
| public __matcher D(Float out, Integer v1) { | ||
| out = 2; | ||
| } | ||
| } | ||
| } |
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106 changes: 106 additions & 0 deletions
106
test/langtools/tools/javac/patterns/matchers/OverloadedMatchers.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| /* | ||
| * Copyright (c) 2024, 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. | ||
| */ | ||
|
|
||
| import java.util.Objects; | ||
|
|
||
| /** | ||
| * @test | ||
| * @enablePreview | ||
| * @compile OverloadedMatchers.java | ||
| * @run main OverloadedMatchers | ||
| */ | ||
| public class OverloadedMatchers { | ||
| public static void main(String... args) { | ||
| assertEquals( 2, test1(new D())); | ||
| assertEquals( 1, test2(new D())); | ||
| assertEquals( 1, test3(new D())); | ||
| assertEquals( 3, test4(new D())); | ||
| assertEquals( 4, test5(new D())); | ||
| } | ||
|
|
||
| private static int test1(D o) { | ||
| if (o instanceof D(String data, Integer outI)) { | ||
| return outI; | ||
| } | ||
| return -1; | ||
| } | ||
|
|
||
| private static int test2(D o) { | ||
| if (o instanceof D(Object data, Integer outI)) { | ||
| return outI; | ||
| } | ||
| return -1; | ||
| } | ||
|
|
||
| private static int test3(D o) { | ||
| if (o instanceof D(Integer data, Integer outI)) { | ||
| return outI; | ||
| } | ||
| return -1; | ||
| } | ||
|
|
||
| private static int test4(D o) { | ||
| if (o instanceof D(A data, Integer outI)) { | ||
| return outI; | ||
| } | ||
| return -1; | ||
| } | ||
|
|
||
| private static Integer test5(D o) { | ||
| if (o instanceof D(B data, Integer outI)) { | ||
| return outI; | ||
| } | ||
| return null; | ||
| } | ||
|
|
||
| static class A {} | ||
| static class B extends A {} | ||
|
|
||
| public record D() { | ||
| public __matcher D(Object out, Integer outI) { | ||
| out = 42; | ||
| outI = 1; | ||
| } | ||
|
|
||
| public __matcher D(String out, Integer outI) { | ||
| out = "2"; | ||
| outI = 2; | ||
| } | ||
|
|
||
| public __matcher D(A out, Integer outI) { | ||
| out = new A(); | ||
| outI = 3; | ||
| } | ||
|
|
||
| public __matcher D(B out, Integer outI) { | ||
| out = new B(); | ||
| outI = 4; | ||
| } | ||
| } | ||
|
|
||
| private static void assertEquals(int expected, int actual) { | ||
| if (!Objects.equals(expected, actual)) { | ||
| throw new AssertionError("Expected: " + expected + ", but got: " + actual); | ||
| } | ||
| } | ||
| } |
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