test/hotspot/jtreg/compiler/jvmci/jdk.vm.ci.hotspot.test/src/jdk/vm/ci/hotspot/test/BoxPrimitiveDataProvider.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
 * 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.
 *
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package jdk.vm.ci.hotspot.test;

import jdk.vm.ci.meta.JavaConstant;
import org.testng.annotations.DataProvider;

import java.util.LinkedList;

import static jdk.vm.ci.hotspot.test.TestHelper.CONSTANT_REFLECTION_PROVIDER;
import static jdk.vm.ci.hotspot.test.TestHelper.DUMMY_CLASS_INSTANCE;

public class BoxPrimitiveDataProvider {

    @DataProvider(name = "boxPrimitiveDataProvider")
    public static Object[][] boxPrimitiveDataProvider() {
        LinkedList<Object[]> cfgSet = new LinkedList<>();
        // Boolean testing
        cfgSet.add(
                        new Object[]{JavaConstant.forBoolean(true), CONSTANT_REFLECTION_PROVIDER.forObject(true)});
        cfgSet.add(new Object[]{JavaConstant.forBoolean(false),
                        CONSTANT_REFLECTION_PROVIDER.forObject(false)});
        // Boxed boolean testing (returns null)
        cfgSet.add(new Object[]{CONSTANT_REFLECTION_PROVIDER.forObject(true), null});
        cfgSet.add(new Object[]{CONSTANT_REFLECTION_PROVIDER.forObject(false), null});
        for (byte number : new byte[]{-128, 0, 1, 127}) {
            // Integer primitives testing
            cfgSet.add(new Object[]{JavaConstant.forByte(number),
                            CONSTANT_REFLECTION_PROVIDER.forObject(Byte.valueOf(number))});
            cfgSet.add(new Object[]{JavaConstant.forShort(number),
                            CONSTANT_REFLECTION_PROVIDER.forObject(Short.valueOf(number))});
            cfgSet.add(new Object[]{JavaConstant.forInt(number),
                            CONSTANT_REFLECTION_PROVIDER.forObject(Integer.valueOf(number))});
            cfgSet.add(new Object[]{JavaConstant.forLong(number),
                            CONSTANT_REFLECTION_PROVIDER.forObject(Long.valueOf(number))});
            if (number >= 0) {
                cfgSet.add(new Object[]{JavaConstant.forChar((char) number),
                                CONSTANT_REFLECTION_PROVIDER.forObject(Character.valueOf((char) number))});
            }
            // Float and Double variables are not cached,
            // so the tested method returns "null" on them
            cfgSet.add(new Object[]{JavaConstant.forFloat(number), null});
            cfgSet.add(new Object[]{JavaConstant.forDouble(number), null});
            // Boxed primitives testing (return null)
            cfgSet.add(new Object[]{CONSTANT_REFLECTION_PROVIDER.forObject(Byte.valueOf(number)), null});
            cfgSet.add(new Object[]{CONSTANT_REFLECTION_PROVIDER.forObject(Short.valueOf(number)), null});
            cfgSet.add(new Object[]{CONSTANT_REFLECTION_PROVIDER.forObject(Integer.valueOf(number)), null});
            cfgSet.add(new Object[]{CONSTANT_REFLECTION_PROVIDER.forObject(Long.valueOf(number)), null});
            cfgSet.add(new Object[]{CONSTANT_REFLECTION_PROVIDER.forObject(Character.valueOf((char) number)), null});
            cfgSet.add(new Object[]{CONSTANT_REFLECTION_PROVIDER.forObject(Float.valueOf(number)), null});
            cfgSet.add(new Object[]{CONSTANT_REFLECTION_PROVIDER.forObject(Double.valueOf(number)), null});
        }
        // Integer primitives testing with big non-cached values (returns null)
        cfgSet.add(new Object[]{JavaConstant.forShort(Short.MAX_VALUE), null});
        cfgSet.add(new Object[]{JavaConstant.forInt(Integer.MAX_VALUE), null});
        cfgSet.add(new Object[]{JavaConstant.forLong(Long.MAX_VALUE), null});
        cfgSet.add(new Object[]{JavaConstant.forChar(Character.MAX_VALUE), null});
        // Non-primitives testing
        cfgSet.add(new Object[]{CONSTANT_REFLECTION_PROVIDER.forObject(DUMMY_CLASS_INSTANCE.objectField), null});
        cfgSet.add(new Object[]{CONSTANT_REFLECTION_PROVIDER.forObject(DUMMY_CLASS_INSTANCE.booleanArrayWithValues),
                        null});
        // Null testing
        cfgSet.add(new Object[]{JavaConstant.NULL_POINTER, null});
        cfgSet.add(new Object[]{null, null});
        return cfgSet.toArray(new Object[0][0]);
    }
}