jdk-24/test/langtools/tools/javac/inference_non_determinism/NonDeterminismTest.java
Vicente Romero d1540e2a49 8342090: Infer::IncorporationBinaryOp::equals can produce side-effects
8288590: javac failure: incompatible types: cannot infer type arguments due to Object.hashCode collision

Co-authored-by: Maurizio Cimadamore <mcimadamore@openjdk.org>
Reviewed-by: mcimadamore
2024-10-24 17:25:43 +00:00

75 lines
2.7 KiB
Java

/*
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* 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
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*
* 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
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*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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*/
/*
* @test
* @bug 8342090 8288590
* @summary Infer::IncorporationBinaryOp::equals can produce side-effects
* @compile NonDeterminismTest.java
* @compile -J-XX:+UnlockExperimentalVMOptions -J-XX:hashCode=2 NonDeterminismTest.java
*/
import java.util.*;
import java.lang.foreign.*;
import static java.lang.foreign.ValueLayout.*;
import static java.util.Arrays.asList;
class NonDeterminismTest {
void test1() {
Map<String, MemoryLayout> CANONICAL_LAYOUTS = Map.ofEntries(
// specified canonical layouts
Map.entry("bool", JAVA_BOOLEAN),
Map.entry("char", JAVA_BYTE),
Map.entry("float", JAVA_FLOAT),
Map.entry("long long", JAVA_LONG),
Map.entry("double", JAVA_DOUBLE),
Map.entry("void*", ADDRESS),
// JNI types
Map.entry("jboolean", JAVA_BOOLEAN),
Map.entry("jchar", JAVA_CHAR),
Map.entry("jbyte", JAVA_BYTE),
Map.entry("jshort", JAVA_SHORT),
Map.entry("jint", JAVA_INT),
Map.entry("jlong", JAVA_LONG),
Map.entry("jfloat", JAVA_FLOAT),
Map.entry("jdouble", JAVA_DOUBLE)
);
}
class Test2 {
interface I1<T1> {}
interface I2<T1, T2> {}
record R1<T1>(List<T1> T1) implements I1<T1> {}
record R2<T1, T2>(List<T1> T1, List<T2> T2) implements I2<T1, T2> {}
<T1> I1<T1> m1(T1 T1) {
return new R1<>(asList(T1));
}
<T1, T2> I2<T1, T2> m2(T1 T1, T2 T2) {
return new R2<>(asList(T1), asList(T2));
}
}
}