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 * 1. Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
 * conditions and the following disclaimer in the documentation and/or other materials provided
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 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to
 * endorse or promote products derived from this software without specific prior written
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package com.oracle.truffle.llvm.tests.interop;

import com.oracle.truffle.api.CallTarget;
import com.oracle.truffle.llvm.tests.interop.values.DoubleArrayObject;
import com.oracle.truffle.llvm.tests.interop.values.LongArrayObject;
import com.oracle.truffle.tck.TruffleRunner;
import com.oracle.truffle.tck.TruffleRunner.Inject;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameter;
import org.junit.runners.Parameterized.Parameters;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;

@RunWith(Parameterized.class)
@Parameterized.UseParametersRunnerFactory(TruffleRunner.ParametersFactory.class)
public final class ManagedMemsetTest extends ManagedMemAccessTestBase {

    @Parameters(name = "{1}->{0}")
    public static Collection<Object[]> data() {
        ArrayList<Object[]> tests = new ArrayList<>();
        for (int i = 0; i < TestType.values().length; i++) {
            tests.add(new Object[]{TestType.values()[i], (byte) 0});
            tests.add(new Object[]{TestType.values()[i], (byte) 1});
            tests.add(new Object[]{TestType.values()[i], (byte) -1});
            tests.add(new Object[]{TestType.values()[i], (byte) 17});
        }
        return tests;
    }

    @Parameter(0) public TestType dstTestType;
    @Parameter(1) public byte value;

    public static class DoMemsetNode extends SulongTestNode {

        public DoMemsetNode() {
            super(testLibrary, "do_memset");
        }
    }

    @Test
    public void memset(@Inject(DoMemsetNode.class) CallTarget doMemset) {
        Object dstType = getTypeID(dstTestType);

        final int arrayLength = 8;
        int size = arrayLength * dstTestType.elementSize;

        Object dstArray;
        Object dstObject;
        if (dstTestType.isFloating) {
            // float or double
            double[] dst = new double[arrayLength];
            dstArray = dst;
            dstObject = new DoubleArrayObject(dstType, dst);
        } else {
            // integer
            long[] dst = new long[arrayLength];
            dstArray = dst;
            dstObject = new LongArrayObject(dstType, dst);
        }

        doMemset.call(dstObject, value, size);

        byte[] dstBytes = serialize(dstTestType, dstArray);

        byte[] expected = new byte[size];
        Arrays.fill(expected, value);

        Assert.assertArrayEquals(expected, dstBytes);
    }
}