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 * 1. Redistributions of source code must retain the above copyright notice, this list of
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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 java.util.ArrayList;
import java.util.Collection;
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;

@RunWith(Parameterized.class)
@Parameterized.UseParametersRunnerFactory(TruffleRunner.ParametersFactory.class)
public final class ManagedMemmoveTest 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++) {
            for (int j = 0; j < TestType.values().length; j++) {
                tests.add(new Object[]{TestType.values()[i], TestType.values()[j]});
            }
        }
        return tests;
    }

    @Parameter(0) public TestType dstTestType;
    @Parameter(1) public TestType srcTestType;

    public static class DoMemmoveNode extends SulongTestNode {

        public DoMemmoveNode() {
            super(testLibrary, "do_memmove");
        }
    }

    @Test
    public void memmove(@Inject(DoMemmoveNode.class) CallTarget doMemmove) {
        Object srcType = getTypeID(srcTestType);
        Object dstType = getTypeID(dstTestType);

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

        Object srcArray;
        Object srcObject;
        if (srcTestType.isFloating) {
            // float or double
            double[] src = new double[arrayLength];
            for (int i = 0; i < arrayLength; i++) {
                src[i] = i;
            }
            srcArray = src;
            srcObject = new DoubleArrayObject(srcType, src);
        } else {
            // integer
            long[] src = new long[arrayLength];
            for (int i = 0; i < arrayLength; i++) {
                src[i] = i;
            }
            srcArray = src;
            srcObject = new LongArrayObject(srcType, src);
        }

        byte[] srcBytes = serialize(srcTestType, srcArray);

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

        doMemmove.call(dstObject, srcObject, size);

        byte[] dstBytes = serialize(dstTestType, dstArray);
        Assert.assertArrayEquals(srcBytes, dstBytes);
    }
}