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65 lines
2.1 KiB
Java
65 lines
2.1 KiB
Java
/*
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* Copyright (c) 2025, 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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package compiler.corelibs;
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import java.util.Optional;
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import compiler.lib.ir_framework.Check;
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import compiler.lib.ir_framework.IR;
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import compiler.lib.ir_framework.IRNode;
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import compiler.lib.ir_framework.Test;
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import compiler.lib.ir_framework.TestFramework;
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/*
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* @test
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* @bug 8372696
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* @summary Verify constant folding for Optional, both present and absent
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* @library /test/lib /
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* @run driver ${test.main.class}
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*/
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public class OptionalFold {
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public static void main(String[] args) {
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// Somehow fails with -XX:-TieredCompilation
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TestFramework.runWithFlags("-XX:+TieredCompilation");
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}
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// Ensure both present and empty values can fold
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static final Optional<Integer> ONE = Optional.of(5), TWO = Optional.empty();
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@Test
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@IR(failOn = {IRNode.ADD_I})
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public int testSum() {
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return ONE.orElse(7) + TWO.orElse(12);
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}
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@Check(test = "testSum")
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public void checkTestSum(int res) {
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if (res != 5 + 12) {
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throw new RuntimeException("incorrect result: " + res);
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}
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}
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}
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