path: root/ipc/ipdl/test/cxx/TestDataStructures.cpp

#include "TestDataStructures.h"

#include "mozilla/Unused.h"

#include "IPDLUnitTests.h"      // fail etc.

typedef InfallibleTArray<nsIntRegion> RegionArray;

namespace mozilla {
namespace _ipdltest {

static const uint32_t nactors = 10;

#define test_assert(_cond, _msg) \
    if (!(_cond)) fail(_msg)

template<typename T>
static void
assert_arrays_equal(const InfallibleTArray<T>& a, const InfallibleTArray<T>& b)
{
    test_assert(a == b, "arrays equal");
}

inline static TestDataStructuresSub&
Cast(PTestDataStructuresSubParent* a)
{
    return *static_cast<TestDataStructuresSub*>(a);
}

inline static TestDataStructuresSub&
Cast(PTestDataStructuresSubChild* a)
{
    return *static_cast<TestDataStructuresSub*>(a);
}

//-----------------------------------------------------------------------------
// parent

TestDataStructuresParent::TestDataStructuresParent()
{
    MOZ_COUNT_CTOR(TestDataStructuresParent);
}

TestDataStructuresParent::~TestDataStructuresParent()
{
    MOZ_COUNT_DTOR(TestDataStructuresParent);
}

void
TestDataStructuresParent::Main()
{
    for (uint32_t i = 0; i < nactors; ++i)
        if (!SendPTestDataStructuresSubConstructor(i))
            fail("can't alloc actor");

    if (!SendStart())
        fail("can't send Start()");
}

bool
TestDataStructuresParent::DeallocPTestDataStructuresSubParent(PTestDataStructuresSubParent* actor)
{
    test_assert(Cast(actor).mI == Cast(mKids[0]).mI,
                "dtor sent to wrong actor");
    mKids.RemoveElementAt(0);
    delete actor;
    if (mKids.Length() > 0)
        return true;

    return true;
}

bool TestDataStructuresParent::RecvTest1(
        InfallibleTArray<int>&& ia,
        InfallibleTArray<int>* oa)
{
    test_assert(5 == ia.Length(), "wrong length");
    for (int i = 0; i < 5; ++i)
        test_assert(i == ia[i], "wrong value");

    *oa = ia;

    return true;
}

bool TestDataStructuresParent::RecvTest2(
        InfallibleTArray<PTestDataStructuresSubParent*>&& i1,
        InfallibleTArray<PTestDataStructuresSubParent*>* o1)
{
    test_assert(nactors == i1.Length(), "wrong #actors");
    for (uint32_t i = 0; i < i1.Length(); ++i)
        test_assert(i == Cast(i1[i]).mI, "wrong mI value");
    *o1 = i1;
    return true;
}

bool TestDataStructuresParent::RecvTest3(
        const IntDouble& i1,
        const IntDouble& i2,
        IntDouble* o1,
        IntDouble* o2)
{   
    test_assert(42 == i1.get_int(), "wrong value");
    test_assert(4.0 == i2.get_double(), "wrong value");

    *o1 = i1;
    *o2 = i2;

    return true;
}

bool TestDataStructuresParent::RecvTest4(
        InfallibleTArray<IntDouble>&& i1,
        InfallibleTArray<IntDouble>* o1)
{
    test_assert(4 == i1.Length(), "wrong length");
    test_assert(1 == i1[0].get_int(), "wrong value");
    test_assert(2.0 == i1[1].get_double(), "wrong value");
    test_assert(3 == i1[2].get_int(), "wrong value");
    test_assert(4.0 == i1[3].get_double(), "wrong value");    

    *o1 = i1;

    return true;
}

bool TestDataStructuresParent::RecvTest5(
        const IntDoubleArrays& i1,
        const IntDoubleArrays& i2,
        const IntDoubleArrays& i3,
        IntDoubleArrays* o1,
        IntDoubleArrays* o2,
        IntDoubleArrays* o3)
{
    test_assert(42 == i1.get_int(), "wrong value");

    const InfallibleTArray<int>& i2a = i2.get_ArrayOfint();
    test_assert(3 == i2a.Length(), "wrong length");
    test_assert(1 == i2a[0], "wrong value");
    test_assert(2 == i2a[1], "wrong value");
    test_assert(3 == i2a[2], "wrong value");

    const InfallibleTArray<double>& i3a = i3.get_ArrayOfdouble();
    test_assert(3 == i3a.Length(), "wrong length");
    test_assert(1.0 == i3a[0], "wrong value");
    test_assert(2.0 == i3a[1], "wrong value");
    test_assert(3.0 == i3a[2], "wrong value");

    *o1 = i1;
    *o2 = i2a;
    *o3 = i3a;

    return true;
}

bool
TestDataStructuresParent::RecvTest7_0(const ActorWrapper& i1,
                                      ActorWrapper* o1)
{
    if (i1.actorChild() != nullptr)
        fail("child side actor should always be null");

    if (i1.actorParent() != mKids[0])
        fail("should have got back same actor on parent side");

    o1->actorParent() = mKids[0];
    // malicious behavior
    o1->actorChild() =
        reinterpret_cast<PTestDataStructuresSubChild*>(uintptr_t(0xdeadbeef));
    return true;
}

bool TestDataStructuresParent::RecvTest6(
        InfallibleTArray<IntDoubleArrays>&& i1,
        InfallibleTArray<IntDoubleArrays>* o1)
{
    test_assert(3 == i1.Length(), "wrong length");

    IntDoubleArrays id1(i1[0]);
    test_assert(42 == id1.get_int(), "wrong value");

    InfallibleTArray<int> i2a(i1[1].get_ArrayOfint());
    test_assert(3 == i2a.Length(), "wrong length");
    test_assert(1 == i2a[0], "wrong value");
    test_assert(2 == i2a[1], "wrong value");
    test_assert(3 == i2a[2], "wrong value");

    InfallibleTArray<double> i3a(i1[2].get_ArrayOfdouble());
    test_assert(3 == i3a.Length(), "wrong length");
    test_assert(1.0 == i3a[0], "wrong value");
    test_assert(2.0 == i3a[1], "wrong value");
    test_assert(3.0 == i3a[2], "wrong value");

    o1->AppendElement(id1);
    o1->AppendElement(IntDoubleArrays(i2a));
    o1->AppendElement(IntDoubleArrays(i3a));

    return true;
}

bool TestDataStructuresParent::RecvTest7(
        const Actors& i1,
        const Actors& i2,
        const Actors& i3,
        Actors* o1,
        Actors* o2,
        Actors* o3)
{
    test_assert(42 == i1.get_int(), "wrong value");

    InfallibleTArray<int> i2a(i2.get_ArrayOfint());
    test_assert(3 == i2a.Length(), "wrong length");
    test_assert(1 == i2a[0], "wrong value");
    test_assert(2 == i2a[1], "wrong value");
    test_assert(3 == i2a[2], "wrong value");

    assert_arrays_equal(mKids, i3.get_ArrayOfPTestDataStructuresSubParent());

    *o1 = 42;
    *o2 = i2a;
    *o3 = mKids;

    return true;
}

bool TestDataStructuresParent::RecvTest8(
        InfallibleTArray<Actors>&& i1,
        InfallibleTArray<Actors>* o1)
{
    test_assert(3 == i1.Length(), "wrong length");
    test_assert(42 == i1[0].get_int(), "wrong value");

    const InfallibleTArray<int>& i2a = i1[1].get_ArrayOfint();
    test_assert(3 == i2a.Length(), "wrong length");
    test_assert(1 == i2a[0], "wrong value");
    test_assert(2 == i2a[1], "wrong value");
    test_assert(3 == i2a[2], "wrong value");

    assert_arrays_equal(mKids, i1[2].get_ArrayOfPTestDataStructuresSubParent());

    *o1 = i1;

    return true;
}

bool TestDataStructuresParent::RecvTest9(
        const Unions& i1,
        const Unions& i2,
        const Unions& i3,
        const Unions& i4,
        Unions* o1,
        Unions* o2,
        Unions* o3,
        Unions* o4)
{
    test_assert(42 == i1.get_int(), "wrong value");

    const InfallibleTArray<int>& i2a = i2.get_ArrayOfint();
    test_assert(3 == i2a.Length(), "wrong length");
    test_assert(1 == i2a[0], "wrong value");
    test_assert(2 == i2a[1], "wrong value");
    test_assert(3 == i2a[2], "wrong value");

    assert_arrays_equal(mKids, i3.get_ArrayOfPTestDataStructuresSubParent());

    const InfallibleTArray<PTestDataStructuresSubParent*>& i4a = 
        i4.get_ArrayOfActors()[0].get_ArrayOfPTestDataStructuresSubParent();
    assert_arrays_equal(mKids, i4a);

    *o1 = i1;
    *o2 = i2;
    *o3 = i3;
    *o4 = i4;

    return true;
}

bool TestDataStructuresParent::RecvTest10(
        InfallibleTArray<Unions>&& i1,
        InfallibleTArray<Unions>* o1)
{
    test_assert(42 == i1[0].get_int(), "wrong value");

    const InfallibleTArray<int>& i2a = i1[1].get_ArrayOfint();
    test_assert(3 == i2a.Length(), "wrong length");
    test_assert(1 == i2a[0], "wrong value");
    test_assert(2 == i2a[1], "wrong value");
    test_assert(3 == i2a[2], "wrong value");

    assert_arrays_equal(mKids, i1[2].get_ArrayOfPTestDataStructuresSubParent());

    const InfallibleTArray<PTestDataStructuresSubParent*>& i4a = 
        i1[3].get_ArrayOfActors()[0].get_ArrayOfPTestDataStructuresSubParent();
    assert_arrays_equal(mKids, i4a);

    *o1 = i1;

    return true;
}

bool TestDataStructuresParent::RecvTest11(
            const SIntDouble& i,
            SIntDouble* o)
{
    test_assert(1 == i.i(), "wrong value");
    test_assert(2.0 == i.d(), "wrong value");
    *o = i;
    return true;
}

bool TestDataStructuresParent::RecvTest12(
            const SIntDoubleArrays& i,
            SIntDoubleArrays* o)
{
    InfallibleTArray<int> ai;
    ai.AppendElement(1);
    ai.AppendElement(2);
    ai.AppendElement(3);

    InfallibleTArray<double> ad;
    ad.AppendElement(.5);
    ad.AppendElement(1.0);
    ad.AppendElement(2.0);

    test_assert(42 == i.i(), "wrong value");
    assert_arrays_equal(ai, i.ai());
    assert_arrays_equal(ad, i.ad());

    *o = i;

    return true;
}

bool TestDataStructuresParent::RecvTest13(
            const SActors& i,
            SActors* o)
{
    InfallibleTArray<int> ai;
    ai.AppendElement(1);  ai.AppendElement(2);  ai.AppendElement(3);

    test_assert(42 == i.i(), "wrong value");
    assert_arrays_equal(ai, i.ai());
    assert_arrays_equal(mKids, i.apParent());

    *o = i;

    return true;
}

bool TestDataStructuresParent::RecvTest14(
            const Structs& i,
            Structs* o)
{
    InfallibleTArray<int> ai;
    ai.AppendElement(1);  ai.AppendElement(2);  ai.AppendElement(3);

    test_assert(42 == i.i(), "wrong value");
    assert_arrays_equal(ai, i.ai());
    assert_arrays_equal(mKids, i.apParent());

    const SActors& ia = i.aa()[0];
    test_assert(42 == ia.i(), "wrong value");
    assert_arrays_equal(ai, ia.ai());
    assert_arrays_equal(mKids, ia.apParent());

    *o = i;

    return true;
}

bool TestDataStructuresParent::RecvTest15(
            const WithStructs& i1,
            const WithStructs& i2,
            const WithStructs& i3,
            const WithStructs& i4,
            const WithStructs& i5,
            WithStructs* o1,
            WithStructs* o2,
            WithStructs* o3,
            WithStructs* o4,
            WithStructs* o5)
{
    InfallibleTArray<int> ai;
    ai.AppendElement(1);  ai.AppendElement(2);  ai.AppendElement(3);

    test_assert(i1 == int(42), "wrong value");
    assert_arrays_equal(i2.get_ArrayOfint(), ai);
    assert_arrays_equal(i3.get_ArrayOfPTestDataStructuresSubParent(), mKids);

    const SActors& ia = i4.get_ArrayOfSActors()[0];
    test_assert(42 == ia.i(), "wrong value");
    assert_arrays_equal(ai, ia.ai());
    assert_arrays_equal(mKids, ia.apParent());

    const Structs& is = i5.get_ArrayOfStructs()[0];
    test_assert(42 == is.i(), "wrong value");
    assert_arrays_equal(ai, is.ai());
    assert_arrays_equal(mKids, is.apParent());   

    const SActors& isa = is.aa()[0];
    test_assert(42 == isa.i(), "wrong value");
    assert_arrays_equal(ai, isa.ai());
    assert_arrays_equal(mKids, isa.apParent());

    *o1 = i1;
    *o2 = i2;
    *o3 = i3;
    *o4 = i4;
    *o5 = i5;

    return true;
}

bool TestDataStructuresParent::RecvTest16(
            const WithUnions& i,
            WithUnions* o)
{
    test_assert(i.i() == 42, "wrong value");

    InfallibleTArray<int> ai;
    ai.AppendElement(1);  ai.AppendElement(2);  ai.AppendElement(3);
    assert_arrays_equal(ai, i.ai());

    assert_arrays_equal(i.apParent(), mKids);

    assert_arrays_equal(mKids, i.aa()[0].get_ArrayOfPTestDataStructuresSubParent());

    const InfallibleTArray<Unions>& iau = i.au();
    test_assert(iau[0] == 42, "wrong value");
    assert_arrays_equal(ai, iau[1].get_ArrayOfint());
    assert_arrays_equal(mKids, iau[2].get_ArrayOfPTestDataStructuresSubParent());
    assert_arrays_equal(mKids,
                        iau[3].get_ArrayOfActors()[0]
                        .get_ArrayOfPTestDataStructuresSubParent());

    *o = i;

    return true;
}

bool TestDataStructuresParent::RecvTest17(InfallibleTArray<Op>&& sa)
{
    test_assert(sa.Length() == 1 && Op::TSetAttrs == sa[0].type(),
                "wrong value");
    return true;
}

bool TestDataStructuresParent::RecvTest18(RegionArray&& ra)
{
    for (RegionArray::index_type i = 0; i < ra.Length(); ++i) {
        // if |ra| has been realloc()d and given a different allocator
        // chunk, this loop will nondeterministically crash or iloop.
        for (auto iter = ra[i].RectIter(); !iter.Done(); iter.Next()) {
            Unused << iter.Get();
        }
    }
    return true;
}

//-----------------------------------------------------------------------------
// child

TestDataStructuresChild::TestDataStructuresChild()
{
    MOZ_COUNT_CTOR(TestDataStructuresChild);
}

TestDataStructuresChild::~TestDataStructuresChild()
{
    MOZ_COUNT_DTOR(TestDataStructuresChild);
}

bool
TestDataStructuresChild::RecvStart()
{
    puts("[TestDataStructuresChild] starting");

    Test1();
    Test2();
    Test3();
    Test4();
    Test5();
    Test6();
    Test7_0();
    Test7();
    Test8();
    Test9();
    Test10();
    Test11();
    Test12();
    Test13();
    Test14();
    Test15();
    Test16();
    Test17();
    if (OtherPid() != base::GetCurrentProcId()) {
        //FIXME/bug 703317 allocation of nsIntRegion uses a global
        //region pool which breaks threads
        Test18();
    }

    for (uint32_t i = 0; i < nactors; ++i)
        if (!PTestDataStructuresSubChild::Send__delete__(mKids[i]))
            fail("can't send dtor");

    Close();

    return true;
}

void
TestDataStructuresChild::Test1()
{
    InfallibleTArray<int> ia;

    for (int i = 0; i < 5; ++i)
        ia.AppendElement(i);

    InfallibleTArray<int> oa;
    if (!SendTest1(ia, &oa))
        fail("can't send Test1");

    assert_arrays_equal(ia, oa);

    printf("  passed %s\n", __FUNCTION__);
}

void
TestDataStructuresChild::Test2()
{
    InfallibleTArray<PTestDataStructuresSubChild*> oa;
    if (!SendTest2(mKids, &oa))
        fail("can't send Test2");
    assert_arrays_equal(mKids, oa);

    printf("  passed %s\n", __FUNCTION__);
}

void
TestDataStructuresChild::Test3()
{
    int i1i = 42;
    double i2d = 4.0;
    IntDouble i1(i1i);
    IntDouble i2(i2d);
    IntDouble o1, o2;

    SendTest3(i1, i2, &o1, &o2);

    test_assert(i1i == o1.get_int(), "wrong value");
    test_assert(i2d == o2.get_double(), "wrong value");

    printf("  passed %s\n", __FUNCTION__);
}

void
TestDataStructuresChild::Test4()
{
    InfallibleTArray<IntDouble> i1;
    i1.AppendElement(IntDouble(int(1)));
    i1.AppendElement(IntDouble(2.0));
    i1.AppendElement(IntDouble(int(3)));
    i1.AppendElement(IntDouble(4.0));

    InfallibleTArray<IntDouble> o1;
    if (!SendTest4(i1, &o1))
        fail("can't send Test4");

    // TODO Union::operator==()
    test_assert(i1.Length() == o1.Length(), "wrong length");
    test_assert(1 == o1[0].get_int(), "wrong value");
    test_assert(2.0 == o1[1].get_double(), "wrong value");
    test_assert(3 == o1[2].get_int(), "wrong value");
    test_assert(4.0 == o1[3].get_double(), "wrong value");

    printf("  passed %s\n", __FUNCTION__);
}

void
TestDataStructuresChild::Test5()
{
    IntDoubleArrays i1(int(42));
    InfallibleTArray<int> i2;
    i2.AppendElement(1); i2.AppendElement(2); i2.AppendElement(3);
    InfallibleTArray<double> i3;
    i3.AppendElement(1.0); i3.AppendElement(2.0); i3.AppendElement(3.0);

    IntDoubleArrays o1, o2, o3;
    if (!SendTest5(i1, IntDoubleArrays(i2), IntDoubleArrays(i3),
                   &o1, &o2, &o3))
        fail("can't send Test5");

    test_assert(42 == o1.get_int(), "wrong value");
    assert_arrays_equal(i2, o2.get_ArrayOfint());
    assert_arrays_equal(i3, o3.get_ArrayOfdouble());

    printf("  passed %s\n", __FUNCTION__);
}

void
TestDataStructuresChild::Test6()
{
    IntDoubleArrays id1(int(42));
    InfallibleTArray<int> id2;
    id2.AppendElement(1); id2.AppendElement(2); id2.AppendElement(3);
    InfallibleTArray<double> id3;
    id3.AppendElement(1.0); id3.AppendElement(2.0); id3.AppendElement(3.0);

    InfallibleTArray<IntDoubleArrays> i1;
    i1.AppendElement(id1);
    i1.AppendElement(IntDoubleArrays(id2));
    i1.AppendElement(IntDoubleArrays(id3));

    InfallibleTArray<IntDoubleArrays> o1;
    if (!SendTest6(i1, &o1))
        fail("can't send Test6");

    test_assert(3 == o1.Length(), "wrong length");
    IntDoubleArrays od1(o1[0]);
    InfallibleTArray<int> od2(o1[1].get_ArrayOfint());
    InfallibleTArray<double> od3(o1[2].get_ArrayOfdouble());

    test_assert(42 == od1.get_int(), "wrong value");
    assert_arrays_equal(id2, od2);
    assert_arrays_equal(id3, od3);

    printf("  passed %s\n", __FUNCTION__);
}

void
TestDataStructuresChild::Test7_0()
{
    ActorWrapper iaw;
    if (iaw.actorChild() != nullptr || iaw.actorParent() != nullptr)
        fail("actor members should be null initially");

    iaw.actorChild() = mKids[0];
    if (iaw.actorParent() != nullptr)
        fail("parent should be null on child side after set");

    ActorWrapper oaw;
    if (!SendTest7_0(iaw, &oaw))
        fail("sending Test7_0");

    if (oaw.actorParent() != nullptr)
        fail("parent accessor on actor-struct members should always be null in child");

    if (oaw.actorChild() != mKids[0])
        fail("should have got back same child-side actor");
}

void
TestDataStructuresChild::Test7()
{
    Actors i1(42);
    InfallibleTArray<int> i2a;
    i2a.AppendElement(1);  i2a.AppendElement(2);  i2a.AppendElement(3);

    Actors o1, o2, o3;
    if (!SendTest7(i1, Actors(i2a), Actors(mKids), &o1, &o2, &o3))
        fail("can't send Test7");

    test_assert(42 == o1.get_int(), "wrong value");
    assert_arrays_equal(i2a, o2.get_ArrayOfint());
    assert_arrays_equal(mKids, o3.get_ArrayOfPTestDataStructuresSubChild());

    printf("  passed %s\n", __FUNCTION__);
}

void
TestDataStructuresChild::Test8()
{
    Actors i1e(42);
    InfallibleTArray<int> i2a;
    i2a.AppendElement(1);  i2a.AppendElement(2);  i2a.AppendElement(3);

    InfallibleTArray<Actors> i1;
    i1.AppendElement(i1e);
    i1.AppendElement(i2a);
    i1.AppendElement(mKids);

    InfallibleTArray<Actors> o1;
    if (!SendTest8(i1, &o1))
        fail("can't send Test8");

    test_assert(3 == o1.Length(), "wrong length");
    test_assert(42 == o1[0].get_int(), "wrong value");
    assert_arrays_equal(i2a, o1[1].get_ArrayOfint());
    assert_arrays_equal(mKids, o1[2].get_ArrayOfPTestDataStructuresSubChild());

    printf("  passed %s\n", __FUNCTION__);
}

void
TestDataStructuresChild::Test9()
{
    Unions i1(int(42));

    InfallibleTArray<int> i2a;
    i2a.AppendElement(1);
    i2a.AppendElement(2);
    i2a.AppendElement(3);

    InfallibleTArray<Actors> i4a;
    i4a.AppendElement(mKids);

    Unions o1, o2, o3, o4;
    if (!SendTest9(i1, Unions(i2a), Unions(mKids), Unions(i4a),
                   &o1, &o2, &o3, &o4))
        fail("can't send Test9");

    test_assert(42 == o1.get_int(), "wrong value");
    assert_arrays_equal(i2a, o2.get_ArrayOfint());
    assert_arrays_equal(mKids, o3.get_ArrayOfPTestDataStructuresSubChild());
    assert_arrays_equal(
        mKids,
        o4.get_ArrayOfActors()[0].get_ArrayOfPTestDataStructuresSubChild());

    printf("  passed %s\n", __FUNCTION__);
}

void
TestDataStructuresChild::Test10()
{
    Unions i1a(int(42));

    InfallibleTArray<int> i2a;
    i2a.AppendElement(1);
    i2a.AppendElement(2);
    i2a.AppendElement(3);

    InfallibleTArray<Actors> i4a;
    i4a.AppendElement(mKids);

    InfallibleTArray<Unions> i1;
    i1.AppendElement(i1a);
    i1.AppendElement(Unions(i2a));
    i1.AppendElement(Unions(mKids));
    i1.AppendElement(Unions(i4a));

    InfallibleTArray<Unions> o1;
    if (!SendTest10(i1, &o1))
        fail("can't send Test10");

    test_assert(4 == o1.Length(), "wrong length");
    test_assert(42 == o1[0].get_int(), "wrong value");
    assert_arrays_equal(i2a, o1[1].get_ArrayOfint());
    assert_arrays_equal(mKids, o1[2].get_ArrayOfPTestDataStructuresSubChild());
    assert_arrays_equal(
        mKids,
        o1[3].get_ArrayOfActors()[0].get_ArrayOfPTestDataStructuresSubChild());

    printf("  passed %s\n", __FUNCTION__);
}

void
TestDataStructuresChild::Test11()
{
    SIntDouble i(1, 2.0);
    SIntDouble o;

    if (!SendTest11(i, &o))
        fail("sending Test11");

    test_assert(1 == o.i() && 2.0 == o.d(), "wrong values");

    printf("  passed %s\n", __FUNCTION__);
}

void
TestDataStructuresChild::Test12()
{
    InfallibleTArray<int> ai;
    ai.AppendElement(1);  ai.AppendElement(2);  ai.AppendElement(3);

    InfallibleTArray<double> ad;
    ad.AppendElement(.5);  ad.AppendElement(1.0);  ad.AppendElement(2.0);

    SIntDoubleArrays i(42, ai, ad);
    SIntDoubleArrays o;

    if (!SendTest12(i, &o))
        fail("sending Test12");

    test_assert(42 == o.i(), "wrong value");
    assert_arrays_equal(ai, o.ai());
    assert_arrays_equal(ad, o.ad());

    printf("  passed %s\n", __FUNCTION__);
}

void
TestDataStructuresChild::Test13()
{
    InfallibleTArray<int> ai;
    ai.AppendElement(1);  ai.AppendElement(2);  ai.AppendElement(3);

    SActors i;
    i.i() = 42;
    i.ai() = ai;
    i.apChild() = mKids;

    SActors o;
    if (!SendTest13(i, &o))
        fail("can't send Test13");

    test_assert(42 == o.i(), "wrong value");
    assert_arrays_equal(ai, o.ai());
    assert_arrays_equal(mKids, o.apChild());

    printf("  passed %s\n", __FUNCTION__);
}

void
TestDataStructuresChild::Test14()
{
    InfallibleTArray<int> ai;
    ai.AppendElement(1);  ai.AppendElement(2);  ai.AppendElement(3);

    SActors ia;
    ia.i() = 42;
    ia.ai() = ai;
    ia.apChild() = mKids;
    InfallibleTArray<SActors> aa;  aa.AppendElement(ia);

    Structs i;
    i.i() = 42;
    i.ai() = ai;
    i.apChild() = mKids;
    i.aa() = aa;

    Structs o;
    if (!SendTest14(i, &o))
        fail("can't send Test14");

    test_assert(42 == o.i(), "wrong value");
    assert_arrays_equal(ai, o.ai());
    assert_arrays_equal(mKids, o.apChild());

    const SActors& os = o.aa()[0];
    test_assert(42 == os.i(), "wrong value");
    assert_arrays_equal(ai, os.ai());
    assert_arrays_equal(mKids, os.apChild());

    printf("  passed %s\n", __FUNCTION__);
}

void
TestDataStructuresChild::Test15()
{
    InfallibleTArray<int> ai;
    ai.AppendElement(1);  ai.AppendElement(2);  ai.AppendElement(3);

    SActors ia;
    ia.i() = 42;
    ia.ai() = ai;
    ia.apChild() = mKids;
    InfallibleTArray<SActors> iaa;  iaa.AppendElement(ia);

    Structs is;
    is.i() = 42;
    is.ai() = ai;
    is.apChild() = mKids;
    is.aa() = iaa;
    InfallibleTArray<Structs> isa;  isa.AppendElement(is);

    WithStructs o1, o2, o3, o4, o5;
    if (!SendTest15(WithStructs(42),
                    WithStructs(ai),
                    WithStructs(mKids),
                    WithStructs(iaa),
                    WithStructs(isa),
                    &o1, &o2, &o3, &o4, &o5))
        fail("sending Test15");

    test_assert(o1 == int(42), "wrong value");
    assert_arrays_equal(o2.get_ArrayOfint(), ai);
    assert_arrays_equal(o3.get_ArrayOfPTestDataStructuresSubChild(), mKids);

    const SActors& oa = o4.get_ArrayOfSActors()[0];
    test_assert(42 == oa.i(), "wrong value");
    assert_arrays_equal(ai, oa.ai());
    assert_arrays_equal(mKids, oa.apChild());

    const Structs& os = o5.get_ArrayOfStructs()[0];
    test_assert(42 == os.i(), "wrong value");
    assert_arrays_equal(ai, os.ai());
    assert_arrays_equal(mKids, os.apChild());   

    const SActors& osa = os.aa()[0];
    test_assert(42 == osa.i(), "wrong value");
    assert_arrays_equal(ai, osa.ai());
    assert_arrays_equal(mKids, osa.apChild());

    printf("  passed %s\n", __FUNCTION__);
}

void
TestDataStructuresChild::Test16()
{
    WithUnions i;

    i.i() = 42;

    InfallibleTArray<int> ai;
    ai.AppendElement(1);  ai.AppendElement(2);  ai.AppendElement(3);
    i.ai() = ai;

    i.apChild() = mKids;

    InfallibleTArray<Actors> iaa;
    iaa.AppendElement(mKids);
    i.aa() = iaa;

    InfallibleTArray<Unions> iau;
    iau.AppendElement(int(42));
    iau.AppendElement(ai);
    iau.AppendElement(mKids);
    iau.AppendElement(iaa);
    i.au() = iau;

    WithUnions o;
    if (!SendTest16(i, &o))
        fail("sending Test16");

    test_assert(42 == o.i(), "wrong value");
    assert_arrays_equal(o.ai(), ai);
    assert_arrays_equal(o.apChild(), mKids);

    const Actors& oaa = o.aa()[0];
    assert_arrays_equal(oaa.get_ArrayOfPTestDataStructuresSubChild(), mKids);

    const InfallibleTArray<Unions>& oau = o.au();
    test_assert(oau[0] == 42, "wrong value");
    assert_arrays_equal(oau[1].get_ArrayOfint(), ai);
    assert_arrays_equal(oau[2].get_ArrayOfPTestDataStructuresSubChild(),
                        mKids);
    assert_arrays_equal(oau[3].get_ArrayOfActors()[0]
                        .get_ArrayOfPTestDataStructuresSubChild(),
                        mKids);

    printf("  passed %s\n", __FUNCTION__);
}

void
TestDataStructuresChild::Test17()
{
    Attrs attrs;
    attrs.common() = CommonAttrs(true);
    attrs.specific() = BarAttrs(1.0f);

    InfallibleTArray<Op> ops;
    ops.AppendElement(SetAttrs(nullptr, mKids[0], attrs));

    if (!SendTest17(ops))
        fail("sending Test17");

    printf("  passed %s\n", __FUNCTION__);
}

void
TestDataStructuresChild::Test18()
{
    const int nelements = 1000;
    RegionArray ra;
    // big enough to hopefully force a realloc to a different chunk of
    // memory on the receiving side, if the workaround isn't working
    // correctly.  But SetCapacity() here because we don't want to
    // crash on the sending side.
    ra.SetCapacity(nelements);
    for (int i = 0; i < nelements; ++i) {
        nsIntRegion r;
        r.Or(nsIntRect(0, 0, 10, 10), nsIntRect(10, 10, 10, 10));
        ra.AppendElement(r);
    }

    if (!SendTest18(ra))
        fail("sending Test18");

    printf("  passed %s\n", __FUNCTION__);
}

} // namespace _ipdltest
} // namespace mozilla