// Copyright (c) 2021, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
//
// This file has been automatically generated. Please do not edit it manually.
// Generated by tests/ffi/generator/structs_by_value_tests_generator.dart.
//
// SharedObjects=ffi_test_functions
// VMOptions=
// VMOptions=--deterministic --optimization-counter-threshold=90
// VMOptions=--use-slow-path
// VMOptions=--use-slow-path --stacktrace-every=100

import 'dart:ffi';

import "package:expect/expect.dart";
import "package:ffi/ffi.dart";

import 'dylib_utils.dart';

// Reuse the compound classes.
import 'function_structs_by_value_generated_compounds.dart';

final ffiTestFunctions = dlopenPlatformSpecific("ffi_test_functions");
void main() {
  for (int i = 0; i < 100; ++i) {
    testReturnStruct1ByteIntLeaf();
    testReturnStruct3BytesHomogeneousUint8Leaf();
    testReturnStruct3BytesInt2ByteAlignedLeaf();
    testReturnStruct4BytesHomogeneousInt16Leaf();
    testReturnStruct7BytesHomogeneousUint8Leaf();
    testReturnStruct7BytesInt4ByteAlignedLeaf();
    testReturnStruct8BytesIntLeaf();
    testReturnStruct8BytesHomogeneousFloatLeaf();
    testReturnStruct8BytesMixedLeaf();
    testReturnStruct9BytesHomogeneousUint8Leaf();
    testReturnStruct9BytesInt4Or8ByteAlignedLeaf();
    testReturnStruct12BytesHomogeneousFloatLeaf();
    testReturnStruct16BytesHomogeneousFloatLeaf();
    testReturnStruct16BytesMixedLeaf();
    testReturnStruct16BytesMixed2Leaf();
    testReturnStruct17BytesIntLeaf();
    testReturnStruct19BytesHomogeneousUint8Leaf();
    testReturnStruct20BytesHomogeneousInt32Leaf();
    testReturnStruct20BytesHomogeneousFloatLeaf();
    testReturnStruct32BytesHomogeneousDoubleLeaf();
    testReturnStruct40BytesHomogeneousDoubleLeaf();
    testReturnStruct1024BytesHomogeneousUint64Leaf();
    testReturnStruct3BytesPackedIntLeaf();
    testReturnStruct8BytesPackedIntLeaf();
    testReturnStruct9BytesPackedMixedLeaf();
    testReturnUnion4BytesMixedLeaf();
    testReturnUnion8BytesNestedFloatLeaf();
    testReturnUnion9BytesNestedIntLeaf();
    testReturnUnion16BytesNestedFloatLeaf();
  }
}

final returnStruct1ByteIntLeaf = ffiTestFunctions.lookupFunction<
    Struct1ByteInt Function(Int8),
    Struct1ByteInt Function(int)>("ReturnStruct1ByteInt", isLeaf: true);

/// Smallest struct with data.
void testReturnStruct1ByteIntLeaf() {
  int a0;

  a0 = -1;

  final result = returnStruct1ByteIntLeaf(a0);

  print("result = $result");

  Expect.equals(a0, result.a0);
}

final returnStruct3BytesHomogeneousUint8Leaf = ffiTestFunctions.lookupFunction<
    Struct3BytesHomogeneousUint8 Function(Uint8, Uint8, Uint8),
    Struct3BytesHomogeneousUint8 Function(
        int, int, int)>("ReturnStruct3BytesHomogeneousUint8", isLeaf: true);

/// Smaller than word size return value on all architectures.
void testReturnStruct3BytesHomogeneousUint8Leaf() {
  int a0;
  int a1;
  int a2;

  a0 = 1;
  a1 = 2;
  a2 = 3;

  final result = returnStruct3BytesHomogeneousUint8Leaf(a0, a1, a2);

  print("result = $result");

  Expect.equals(a0, result.a0);
  Expect.equals(a1, result.a1);
  Expect.equals(a2, result.a2);
}

final returnStruct3BytesInt2ByteAlignedLeaf = ffiTestFunctions.lookupFunction<
    Struct3BytesInt2ByteAligned Function(Int16, Int8),
    Struct3BytesInt2ByteAligned Function(
        int, int)>("ReturnStruct3BytesInt2ByteAligned", isLeaf: true);

/// Smaller than word size return value on all architectures.
/// With alignment rules taken into account size is 4 bytes.
void testReturnStruct3BytesInt2ByteAlignedLeaf() {
  int a0;
  int a1;

  a0 = -1;
  a1 = 2;

  final result = returnStruct3BytesInt2ByteAlignedLeaf(a0, a1);

  print("result = $result");

  Expect.equals(a0, result.a0);
  Expect.equals(a1, result.a1);
}

final returnStruct4BytesHomogeneousInt16Leaf = ffiTestFunctions.lookupFunction<
    Struct4BytesHomogeneousInt16 Function(Int16, Int16),
    Struct4BytesHomogeneousInt16 Function(
        int, int)>("ReturnStruct4BytesHomogeneousInt16", isLeaf: true);

/// Word size return value on 32 bit architectures..
void testReturnStruct4BytesHomogeneousInt16Leaf() {
  int a0;
  int a1;

  a0 = -1;
  a1 = 2;

  final result = returnStruct4BytesHomogeneousInt16Leaf(a0, a1);

  print("result = $result");

  Expect.equals(a0, result.a0);
  Expect.equals(a1, result.a1);
}

final returnStruct7BytesHomogeneousUint8Leaf = ffiTestFunctions.lookupFunction<
    Struct7BytesHomogeneousUint8 Function(
        Uint8, Uint8, Uint8, Uint8, Uint8, Uint8, Uint8),
    Struct7BytesHomogeneousUint8 Function(int, int, int, int, int, int,
        int)>("ReturnStruct7BytesHomogeneousUint8", isLeaf: true);

/// Non-wordsize return value.
void testReturnStruct7BytesHomogeneousUint8Leaf() {
  int a0;
  int a1;
  int a2;
  int a3;
  int a4;
  int a5;
  int a6;

  a0 = 1;
  a1 = 2;
  a2 = 3;
  a3 = 4;
  a4 = 5;
  a5 = 6;
  a6 = 7;

  final result =
      returnStruct7BytesHomogeneousUint8Leaf(a0, a1, a2, a3, a4, a5, a6);

  print("result = $result");

  Expect.equals(a0, result.a0);
  Expect.equals(a1, result.a1);
  Expect.equals(a2, result.a2);
  Expect.equals(a3, result.a3);
  Expect.equals(a4, result.a4);
  Expect.equals(a5, result.a5);
  Expect.equals(a6, result.a6);
}

final returnStruct7BytesInt4ByteAlignedLeaf = ffiTestFunctions.lookupFunction<
    Struct7BytesInt4ByteAligned Function(Int32, Int16, Int8),
    Struct7BytesInt4ByteAligned Function(
        int, int, int)>("ReturnStruct7BytesInt4ByteAligned", isLeaf: true);

/// Non-wordsize return value.
/// With alignment rules taken into account size is 8 bytes.
void testReturnStruct7BytesInt4ByteAlignedLeaf() {
  int a0;
  int a1;
  int a2;

  a0 = -1;
  a1 = 2;
  a2 = -3;

  final result = returnStruct7BytesInt4ByteAlignedLeaf(a0, a1, a2);

  print("result = $result");

  Expect.equals(a0, result.a0);
  Expect.equals(a1, result.a1);
  Expect.equals(a2, result.a2);
}

final returnStruct8BytesIntLeaf = ffiTestFunctions.lookupFunction<
    Struct8BytesInt Function(Int16, Int16, Int32),
    Struct8BytesInt Function(
        int, int, int)>("ReturnStruct8BytesInt", isLeaf: true);

/// Return value in integer registers on many architectures.
void testReturnStruct8BytesIntLeaf() {
  int a0;
  int a1;
  int a2;

  a0 = -1;
  a1 = 2;
  a2 = -3;

  final result = returnStruct8BytesIntLeaf(a0, a1, a2);

  print("result = $result");

  Expect.equals(a0, result.a0);
  Expect.equals(a1, result.a1);
  Expect.equals(a2, result.a2);
}

final returnStruct8BytesHomogeneousFloatLeaf = ffiTestFunctions.lookupFunction<
    Struct8BytesHomogeneousFloat Function(Float, Float),
    Struct8BytesHomogeneousFloat Function(
        double, double)>("ReturnStruct8BytesHomogeneousFloat", isLeaf: true);

/// Return value in FP registers on many architectures.
void testReturnStruct8BytesHomogeneousFloatLeaf() {
  double a0;
  double a1;

  a0 = -1.0;
  a1 = 2.0;

  final result = returnStruct8BytesHomogeneousFloatLeaf(a0, a1);

  print("result = $result");

  Expect.approxEquals(a0, result.a0);
  Expect.approxEquals(a1, result.a1);
}

final returnStruct8BytesMixedLeaf = ffiTestFunctions.lookupFunction<
    Struct8BytesMixed Function(Float, Int16, Int16),
    Struct8BytesMixed Function(
        double, int, int)>("ReturnStruct8BytesMixed", isLeaf: true);

/// Return value split over FP and integer register in x64.
void testReturnStruct8BytesMixedLeaf() {
  double a0;
  int a1;
  int a2;

  a0 = -1.0;
  a1 = 2;
  a2 = -3;

  final result = returnStruct8BytesMixedLeaf(a0, a1, a2);

  print("result = $result");

  Expect.approxEquals(a0, result.a0);
  Expect.equals(a1, result.a1);
  Expect.equals(a2, result.a2);
}

final returnStruct9BytesHomogeneousUint8Leaf = ffiTestFunctions.lookupFunction<
    Struct9BytesHomogeneousUint8 Function(
        Uint8, Uint8, Uint8, Uint8, Uint8, Uint8, Uint8, Uint8, Uint8),
    Struct9BytesHomogeneousUint8 Function(int, int, int, int, int, int, int,
        int, int)>("ReturnStruct9BytesHomogeneousUint8", isLeaf: true);

/// The minimum alignment of this struct is only 1 byte based on its fields.
/// Test that the memory backing these structs is the right size and that
/// dart:ffi trampolines do not write outside this size.
void testReturnStruct9BytesHomogeneousUint8Leaf() {
  int a0;
  int a1;
  int a2;
  int a3;
  int a4;
  int a5;
  int a6;
  int a7;
  int a8;

  a0 = 1;
  a1 = 2;
  a2 = 3;
  a3 = 4;
  a4 = 5;
  a5 = 6;
  a6 = 7;
  a7 = 8;
  a8 = 9;

  final result = returnStruct9BytesHomogeneousUint8Leaf(
      a0, a1, a2, a3, a4, a5, a6, a7, a8);

  print("result = $result");

  Expect.equals(a0, result.a0);
  Expect.equals(a1, result.a1);
  Expect.equals(a2, result.a2);
  Expect.equals(a3, result.a3);
  Expect.equals(a4, result.a4);
  Expect.equals(a5, result.a5);
  Expect.equals(a6, result.a6);
  Expect.equals(a7, result.a7);
  Expect.equals(a8, result.a8);
}

final returnStruct9BytesInt4Or8ByteAlignedLeaf =
    ffiTestFunctions.lookupFunction<
        Struct9BytesInt4Or8ByteAligned Function(Int64, Int8),
        Struct9BytesInt4Or8ByteAligned Function(
            int, int)>("ReturnStruct9BytesInt4Or8ByteAligned", isLeaf: true);

/// Return value in two integer registers on x64.
/// With alignment rules taken into account size is 12 or 16 bytes.
void testReturnStruct9BytesInt4Or8ByteAlignedLeaf() {
  int a0;
  int a1;

  a0 = -1;
  a1 = 2;

  final result = returnStruct9BytesInt4Or8ByteAlignedLeaf(a0, a1);

  print("result = $result");

  Expect.equals(a0, result.a0);
  Expect.equals(a1, result.a1);
}

final returnStruct12BytesHomogeneousFloatLeaf = ffiTestFunctions.lookupFunction<
    Struct12BytesHomogeneousFloat Function(Float, Float, Float),
    Struct12BytesHomogeneousFloat Function(double, double,
        double)>("ReturnStruct12BytesHomogeneousFloat", isLeaf: true);

/// Return value in FPU registers, but does not use all registers on arm hardfp
/// and arm64.
void testReturnStruct12BytesHomogeneousFloatLeaf() {
  double a0;
  double a1;
  double a2;

  a0 = -1.0;
  a1 = 2.0;
  a2 = -3.0;

  final result = returnStruct12BytesHomogeneousFloatLeaf(a0, a1, a2);

  print("result = $result");

  Expect.approxEquals(a0, result.a0);
  Expect.approxEquals(a1, result.a1);
  Expect.approxEquals(a2, result.a2);
}

final returnStruct16BytesHomogeneousFloatLeaf = ffiTestFunctions.lookupFunction<
    Struct16BytesHomogeneousFloat Function(Float, Float, Float, Float),
    Struct16BytesHomogeneousFloat Function(double, double, double,
        double)>("ReturnStruct16BytesHomogeneousFloat", isLeaf: true);

/// Return value in FPU registers on arm hardfp and arm64.
void testReturnStruct16BytesHomogeneousFloatLeaf() {
  double a0;
  double a1;
  double a2;
  double a3;

  a0 = -1.0;
  a1 = 2.0;
  a2 = -3.0;
  a3 = 4.0;

  final result = returnStruct16BytesHomogeneousFloatLeaf(a0, a1, a2, a3);

  print("result = $result");

  Expect.approxEquals(a0, result.a0);
  Expect.approxEquals(a1, result.a1);
  Expect.approxEquals(a2, result.a2);
  Expect.approxEquals(a3, result.a3);
}

final returnStruct16BytesMixedLeaf = ffiTestFunctions.lookupFunction<
    Struct16BytesMixed Function(Double, Int64),
    Struct16BytesMixed Function(
        double, int)>("ReturnStruct16BytesMixed", isLeaf: true);

/// Return value split over FP and integer register in x64.
void testReturnStruct16BytesMixedLeaf() {
  double a0;
  int a1;

  a0 = -1.0;
  a1 = 2;

  final result = returnStruct16BytesMixedLeaf(a0, a1);

  print("result = $result");

  Expect.approxEquals(a0, result.a0);
  Expect.equals(a1, result.a1);
}

final returnStruct16BytesMixed2Leaf = ffiTestFunctions.lookupFunction<
    Struct16BytesMixed2 Function(Float, Float, Float, Int32),
    Struct16BytesMixed2 Function(double, double, double,
        int)>("ReturnStruct16BytesMixed2", isLeaf: true);

/// Return value split over FP and integer register in x64.
/// The integer register contains half float half int.
void testReturnStruct16BytesMixed2Leaf() {
  double a0;
  double a1;
  double a2;
  int a3;

  a0 = -1.0;
  a1 = 2.0;
  a2 = -3.0;
  a3 = 4;

  final result = returnStruct16BytesMixed2Leaf(a0, a1, a2, a3);

  print("result = $result");

  Expect.approxEquals(a0, result.a0);
  Expect.approxEquals(a1, result.a1);
  Expect.approxEquals(a2, result.a2);
  Expect.equals(a3, result.a3);
}

final returnStruct17BytesIntLeaf = ffiTestFunctions.lookupFunction<
    Struct17BytesInt Function(Int64, Int64, Int8),
    Struct17BytesInt Function(
        int, int, int)>("ReturnStruct17BytesInt", isLeaf: true);

/// Return value returned in preallocated space passed by pointer on most ABIs.
/// Is non word size on purpose, to test that structs are rounded up to word size
/// on all ABIs.
void testReturnStruct17BytesIntLeaf() {
  int a0;
  int a1;
  int a2;

  a0 = -1;
  a1 = 2;
  a2 = -3;

  final result = returnStruct17BytesIntLeaf(a0, a1, a2);

  print("result = $result");

  Expect.equals(a0, result.a0);
  Expect.equals(a1, result.a1);
  Expect.equals(a2, result.a2);
}

final returnStruct19BytesHomogeneousUint8Leaf = ffiTestFunctions.lookupFunction<
    Struct19BytesHomogeneousUint8 Function(
        Uint8,
        Uint8,
        Uint8,
        Uint8,
        Uint8,
        Uint8,
        Uint8,
        Uint8,
        Uint8,
        Uint8,
        Uint8,
        Uint8,
        Uint8,
        Uint8,
        Uint8,
        Uint8,
        Uint8,
        Uint8,
        Uint8),
    Struct19BytesHomogeneousUint8 Function(
        int,
        int,
        int,
        int,
        int,
        int,
        int,
        int,
        int,
        int,
        int,
        int,
        int,
        int,
        int,
        int,
        int,
        int,
        int)>("ReturnStruct19BytesHomogeneousUint8", isLeaf: true);

/// The minimum alignment of this struct is only 1 byte based on its fields.
/// Test that the memory backing these structs is the right size and that
/// dart:ffi trampolines do not write outside this size.
void testReturnStruct19BytesHomogeneousUint8Leaf() {
  int a0;
  int a1;
  int a2;
  int a3;
  int a4;
  int a5;
  int a6;
  int a7;
  int a8;
  int a9;
  int a10;
  int a11;
  int a12;
  int a13;
  int a14;
  int a15;
  int a16;
  int a17;
  int a18;

  a0 = 1;
  a1 = 2;
  a2 = 3;
  a3 = 4;
  a4 = 5;
  a5 = 6;
  a6 = 7;
  a7 = 8;
  a8 = 9;
  a9 = 10;
  a10 = 11;
  a11 = 12;
  a12 = 13;
  a13 = 14;
  a14 = 15;
  a15 = 16;
  a16 = 17;
  a17 = 18;
  a18 = 19;

  final result = returnStruct19BytesHomogeneousUint8Leaf(a0, a1, a2, a3, a4, a5,
      a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18);

  print("result = $result");

  Expect.equals(a0, result.a0);
  Expect.equals(a1, result.a1);
  Expect.equals(a2, result.a2);
  Expect.equals(a3, result.a3);
  Expect.equals(a4, result.a4);
  Expect.equals(a5, result.a5);
  Expect.equals(a6, result.a6);
  Expect.equals(a7, result.a7);
  Expect.equals(a8, result.a8);
  Expect.equals(a9, result.a9);
  Expect.equals(a10, result.a10);
  Expect.equals(a11, result.a11);
  Expect.equals(a12, result.a12);
  Expect.equals(a13, result.a13);
  Expect.equals(a14, result.a14);
  Expect.equals(a15, result.a15);
  Expect.equals(a16, result.a16);
  Expect.equals(a17, result.a17);
  Expect.equals(a18, result.a18);
}

final returnStruct20BytesHomogeneousInt32Leaf = ffiTestFunctions.lookupFunction<
    Struct20BytesHomogeneousInt32 Function(Int32, Int32, Int32, Int32, Int32),
    Struct20BytesHomogeneousInt32 Function(int, int, int, int,
        int)>("ReturnStruct20BytesHomogeneousInt32", isLeaf: true);

/// Return value too big to go in cpu registers on arm64.
void testReturnStruct20BytesHomogeneousInt32Leaf() {
  int a0;
  int a1;
  int a2;
  int a3;
  int a4;

  a0 = -1;
  a1 = 2;
  a2 = -3;
  a3 = 4;
  a4 = -5;

  final result = returnStruct20BytesHomogeneousInt32Leaf(a0, a1, a2, a3, a4);

  print("result = $result");

  Expect.equals(a0, result.a0);
  Expect.equals(a1, result.a1);
  Expect.equals(a2, result.a2);
  Expect.equals(a3, result.a3);
  Expect.equals(a4, result.a4);
}

final returnStruct20BytesHomogeneousFloatLeaf = ffiTestFunctions.lookupFunction<
    Struct20BytesHomogeneousFloat Function(Float, Float, Float, Float, Float),
    Struct20BytesHomogeneousFloat Function(double, double, double, double,
        double)>("ReturnStruct20BytesHomogeneousFloat", isLeaf: true);

/// Return value too big to go in FPU registers on x64, arm hardfp and arm64.
void testReturnStruct20BytesHomogeneousFloatLeaf() {
  double a0;
  double a1;
  double a2;
  double a3;
  double a4;

  a0 = -1.0;
  a1 = 2.0;
  a2 = -3.0;
  a3 = 4.0;
  a4 = -5.0;

  final result = returnStruct20BytesHomogeneousFloatLeaf(a0, a1, a2, a3, a4);

  print("result = $result");

  Expect.approxEquals(a0, result.a0);
  Expect.approxEquals(a1, result.a1);
  Expect.approxEquals(a2, result.a2);
  Expect.approxEquals(a3, result.a3);
  Expect.approxEquals(a4, result.a4);
}

final returnStruct32BytesHomogeneousDoubleLeaf =
    ffiTestFunctions.lookupFunction<
        Struct32BytesHomogeneousDouble Function(Double, Double, Double, Double),
        Struct32BytesHomogeneousDouble Function(double, double, double,
            double)>("ReturnStruct32BytesHomogeneousDouble", isLeaf: true);

/// Return value in FPU registers on arm64.
void testReturnStruct32BytesHomogeneousDoubleLeaf() {
  double a0;
  double a1;
  double a2;
  double a3;

  a0 = -1.0;
  a1 = 2.0;
  a2 = -3.0;
  a3 = 4.0;

  final result = returnStruct32BytesHomogeneousDoubleLeaf(a0, a1, a2, a3);

  print("result = $result");

  Expect.approxEquals(a0, result.a0);
  Expect.approxEquals(a1, result.a1);
  Expect.approxEquals(a2, result.a2);
  Expect.approxEquals(a3, result.a3);
}

final returnStruct40BytesHomogeneousDoubleLeaf =
    ffiTestFunctions.lookupFunction<
        Struct40BytesHomogeneousDouble Function(
            Double, Double, Double, Double, Double),
        Struct40BytesHomogeneousDouble Function(double, double, double, double,
            double)>("ReturnStruct40BytesHomogeneousDouble", isLeaf: true);

/// Return value too big to go in FPU registers on arm64.
void testReturnStruct40BytesHomogeneousDoubleLeaf() {
  double a0;
  double a1;
  double a2;
  double a3;
  double a4;

  a0 = -1.0;
  a1 = 2.0;
  a2 = -3.0;
  a3 = 4.0;
  a4 = -5.0;

  final result = returnStruct40BytesHomogeneousDoubleLeaf(a0, a1, a2, a3, a4);

  print("result = $result");

  Expect.approxEquals(a0, result.a0);
  Expect.approxEquals(a1, result.a1);
  Expect.approxEquals(a2, result.a2);
  Expect.approxEquals(a3, result.a3);
  Expect.approxEquals(a4, result.a4);
}

final returnStruct1024BytesHomogeneousUint64Leaf =
    ffiTestFunctions.lookupFunction<
        Struct1024BytesHomogeneousUint64 Function(
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64,
            Uint64),
        Struct1024BytesHomogeneousUint64 Function(
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int,
            int)>("ReturnStruct1024BytesHomogeneousUint64", isLeaf: true);

/// Test 1kb struct.
void testReturnStruct1024BytesHomogeneousUint64Leaf() {
  int a0;
  int a1;
  int a2;
  int a3;
  int a4;
  int a5;
  int a6;
  int a7;
  int a8;
  int a9;
  int a10;
  int a11;
  int a12;
  int a13;
  int a14;
  int a15;
  int a16;
  int a17;
  int a18;
  int a19;
  int a20;
  int a21;
  int a22;
  int a23;
  int a24;
  int a25;
  int a26;
  int a27;
  int a28;
  int a29;
  int a30;
  int a31;
  int a32;
  int a33;
  int a34;
  int a35;
  int a36;
  int a37;
  int a38;
  int a39;
  int a40;
  int a41;
  int a42;
  int a43;
  int a44;
  int a45;
  int a46;
  int a47;
  int a48;
  int a49;
  int a50;
  int a51;
  int a52;
  int a53;
  int a54;
  int a55;
  int a56;
  int a57;
  int a58;
  int a59;
  int a60;
  int a61;
  int a62;
  int a63;
  int a64;
  int a65;
  int a66;
  int a67;
  int a68;
  int a69;
  int a70;
  int a71;
  int a72;
  int a73;
  int a74;
  int a75;
  int a76;
  int a77;
  int a78;
  int a79;
  int a80;
  int a81;
  int a82;
  int a83;
  int a84;
  int a85;
  int a86;
  int a87;
  int a88;
  int a89;
  int a90;
  int a91;
  int a92;
  int a93;
  int a94;
  int a95;
  int a96;
  int a97;
  int a98;
  int a99;
  int a100;
  int a101;
  int a102;
  int a103;
  int a104;
  int a105;
  int a106;
  int a107;
  int a108;
  int a109;
  int a110;
  int a111;
  int a112;
  int a113;
  int a114;
  int a115;
  int a116;
  int a117;
  int a118;
  int a119;
  int a120;
  int a121;
  int a122;
  int a123;
  int a124;
  int a125;
  int a126;
  int a127;

  a0 = 1;
  a1 = 2;
  a2 = 3;
  a3 = 4;
  a4 = 5;
  a5 = 6;
  a6 = 7;
  a7 = 8;
  a8 = 9;
  a9 = 10;
  a10 = 11;
  a11 = 12;
  a12 = 13;
  a13 = 14;
  a14 = 15;
  a15 = 16;
  a16 = 17;
  a17 = 18;
  a18 = 19;
  a19 = 20;
  a20 = 21;
  a21 = 22;
  a22 = 23;
  a23 = 24;
  a24 = 25;
  a25 = 26;
  a26 = 27;
  a27 = 28;
  a28 = 29;
  a29 = 30;
  a30 = 31;
  a31 = 32;
  a32 = 33;
  a33 = 34;
  a34 = 35;
  a35 = 36;
  a36 = 37;
  a37 = 38;
  a38 = 39;
  a39 = 40;
  a40 = 41;
  a41 = 42;
  a42 = 43;
  a43 = 44;
  a44 = 45;
  a45 = 46;
  a46 = 47;
  a47 = 48;
  a48 = 49;
  a49 = 50;
  a50 = 51;
  a51 = 52;
  a52 = 53;
  a53 = 54;
  a54 = 55;
  a55 = 56;
  a56 = 57;
  a57 = 58;
  a58 = 59;
  a59 = 60;
  a60 = 61;
  a61 = 62;
  a62 = 63;
  a63 = 64;
  a64 = 65;
  a65 = 66;
  a66 = 67;
  a67 = 68;
  a68 = 69;
  a69 = 70;
  a70 = 71;
  a71 = 72;
  a72 = 73;
  a73 = 74;
  a74 = 75;
  a75 = 76;
  a76 = 77;
  a77 = 78;
  a78 = 79;
  a79 = 80;
  a80 = 81;
  a81 = 82;
  a82 = 83;
  a83 = 84;
  a84 = 85;
  a85 = 86;
  a86 = 87;
  a87 = 88;
  a88 = 89;
  a89 = 90;
  a90 = 91;
  a91 = 92;
  a92 = 93;
  a93 = 94;
  a94 = 95;
  a95 = 96;
  a96 = 97;
  a97 = 98;
  a98 = 99;
  a99 = 100;
  a100 = 101;
  a101 = 102;
  a102 = 103;
  a103 = 104;
  a104 = 105;
  a105 = 106;
  a106 = 107;
  a107 = 108;
  a108 = 109;
  a109 = 110;
  a110 = 111;
  a111 = 112;
  a112 = 113;
  a113 = 114;
  a114 = 115;
  a115 = 116;
  a116 = 117;
  a117 = 118;
  a118 = 119;
  a119 = 120;
  a120 = 121;
  a121 = 122;
  a122 = 123;
  a123 = 124;
  a124 = 125;
  a125 = 126;
  a126 = 127;
  a127 = 128;

  final result = returnStruct1024BytesHomogeneousUint64Leaf(
      a0,
      a1,
      a2,
      a3,
      a4,
      a5,
      a6,
      a7,
      a8,
      a9,
      a10,
      a11,
      a12,
      a13,
      a14,
      a15,
      a16,
      a17,
      a18,
      a19,
      a20,
      a21,
      a22,
      a23,
      a24,
      a25,
      a26,
      a27,
      a28,
      a29,
      a30,
      a31,
      a32,
      a33,
      a34,
      a35,
      a36,
      a37,
      a38,
      a39,
      a40,
      a41,
      a42,
      a43,
      a44,
      a45,
      a46,
      a47,
      a48,
      a49,
      a50,
      a51,
      a52,
      a53,
      a54,
      a55,
      a56,
      a57,
      a58,
      a59,
      a60,
      a61,
      a62,
      a63,
      a64,
      a65,
      a66,
      a67,
      a68,
      a69,
      a70,
      a71,
      a72,
      a73,
      a74,
      a75,
      a76,
      a77,
      a78,
      a79,
      a80,
      a81,
      a82,
      a83,
      a84,
      a85,
      a86,
      a87,
      a88,
      a89,
      a90,
      a91,
      a92,
      a93,
      a94,
      a95,
      a96,
      a97,
      a98,
      a99,
      a100,
      a101,
      a102,
      a103,
      a104,
      a105,
      a106,
      a107,
      a108,
      a109,
      a110,
      a111,
      a112,
      a113,
      a114,
      a115,
      a116,
      a117,
      a118,
      a119,
      a120,
      a121,
      a122,
      a123,
      a124,
      a125,
      a126,
      a127);

  print("result = $result");

  Expect.equals(a0, result.a0);
  Expect.equals(a1, result.a1);
  Expect.equals(a2, result.a2);
  Expect.equals(a3, result.a3);
  Expect.equals(a4, result.a4);
  Expect.equals(a5, result.a5);
  Expect.equals(a6, result.a6);
  Expect.equals(a7, result.a7);
  Expect.equals(a8, result.a8);
  Expect.equals(a9, result.a9);
  Expect.equals(a10, result.a10);
  Expect.equals(a11, result.a11);
  Expect.equals(a12, result.a12);
  Expect.equals(a13, result.a13);
  Expect.equals(a14, result.a14);
  Expect.equals(a15, result.a15);
  Expect.equals(a16, result.a16);
  Expect.equals(a17, result.a17);
  Expect.equals(a18, result.a18);
  Expect.equals(a19, result.a19);
  Expect.equals(a20, result.a20);
  Expect.equals(a21, result.a21);
  Expect.equals(a22, result.a22);
  Expect.equals(a23, result.a23);
  Expect.equals(a24, result.a24);
  Expect.equals(a25, result.a25);
  Expect.equals(a26, result.a26);
  Expect.equals(a27, result.a27);
  Expect.equals(a28, result.a28);
  Expect.equals(a29, result.a29);
  Expect.equals(a30, result.a30);
  Expect.equals(a31, result.a31);
  Expect.equals(a32, result.a32);
  Expect.equals(a33, result.a33);
  Expect.equals(a34, result.a34);
  Expect.equals(a35, result.a35);
  Expect.equals(a36, result.a36);
  Expect.equals(a37, result.a37);
  Expect.equals(a38, result.a38);
  Expect.equals(a39, result.a39);
  Expect.equals(a40, result.a40);
  Expect.equals(a41, result.a41);
  Expect.equals(a42, result.a42);
  Expect.equals(a43, result.a43);
  Expect.equals(a44, result.a44);
  Expect.equals(a45, result.a45);
  Expect.equals(a46, result.a46);
  Expect.equals(a47, result.a47);
  Expect.equals(a48, result.a48);
  Expect.equals(a49, result.a49);
  Expect.equals(a50, result.a50);
  Expect.equals(a51, result.a51);
  Expect.equals(a52, result.a52);
  Expect.equals(a53, result.a53);
  Expect.equals(a54, result.a54);
  Expect.equals(a55, result.a55);
  Expect.equals(a56, result.a56);
  Expect.equals(a57, result.a57);
  Expect.equals(a58, result.a58);
  Expect.equals(a59, result.a59);
  Expect.equals(a60, result.a60);
  Expect.equals(a61, result.a61);
  Expect.equals(a62, result.a62);
  Expect.equals(a63, result.a63);
  Expect.equals(a64, result.a64);
  Expect.equals(a65, result.a65);
  Expect.equals(a66, result.a66);
  Expect.equals(a67, result.a67);
  Expect.equals(a68, result.a68);
  Expect.equals(a69, result.a69);
  Expect.equals(a70, result.a70);
  Expect.equals(a71, result.a71);
  Expect.equals(a72, result.a72);
  Expect.equals(a73, result.a73);
  Expect.equals(a74, result.a74);
  Expect.equals(a75, result.a75);
  Expect.equals(a76, result.a76);
  Expect.equals(a77, result.a77);
  Expect.equals(a78, result.a78);
  Expect.equals(a79, result.a79);
  Expect.equals(a80, result.a80);
  Expect.equals(a81, result.a81);
  Expect.equals(a82, result.a82);
  Expect.equals(a83, result.a83);
  Expect.equals(a84, result.a84);
  Expect.equals(a85, result.a85);
  Expect.equals(a86, result.a86);
  Expect.equals(a87, result.a87);
  Expect.equals(a88, result.a88);
  Expect.equals(a89, result.a89);
  Expect.equals(a90, result.a90);
  Expect.equals(a91, result.a91);
  Expect.equals(a92, result.a92);
  Expect.equals(a93, result.a93);
  Expect.equals(a94, result.a94);
  Expect.equals(a95, result.a95);
  Expect.equals(a96, result.a96);
  Expect.equals(a97, result.a97);
  Expect.equals(a98, result.a98);
  Expect.equals(a99, result.a99);
  Expect.equals(a100, result.a100);
  Expect.equals(a101, result.a101);
  Expect.equals(a102, result.a102);
  Expect.equals(a103, result.a103);
  Expect.equals(a104, result.a104);
  Expect.equals(a105, result.a105);
  Expect.equals(a106, result.a106);
  Expect.equals(a107, result.a107);
  Expect.equals(a108, result.a108);
  Expect.equals(a109, result.a109);
  Expect.equals(a110, result.a110);
  Expect.equals(a111, result.a111);
  Expect.equals(a112, result.a112);
  Expect.equals(a113, result.a113);
  Expect.equals(a114, result.a114);
  Expect.equals(a115, result.a115);
  Expect.equals(a116, result.a116);
  Expect.equals(a117, result.a117);
  Expect.equals(a118, result.a118);
  Expect.equals(a119, result.a119);
  Expect.equals(a120, result.a120);
  Expect.equals(a121, result.a121);
  Expect.equals(a122, result.a122);
  Expect.equals(a123, result.a123);
  Expect.equals(a124, result.a124);
  Expect.equals(a125, result.a125);
  Expect.equals(a126, result.a126);
  Expect.equals(a127, result.a127);
}

final returnStruct3BytesPackedIntLeaf = ffiTestFunctions.lookupFunction<
    Struct3BytesPackedInt Function(Int8, Int16),
    Struct3BytesPackedInt Function(
        int, int)>("ReturnStruct3BytesPackedInt", isLeaf: true);

/// Small struct with mis-aligned member.
void testReturnStruct3BytesPackedIntLeaf() {
  int a0;
  int a1;

  a0 = -1;
  a1 = 2;

  final result = returnStruct3BytesPackedIntLeaf(a0, a1);

  print("result = $result");

  Expect.equals(a0, result.a0);
  Expect.equals(a1, result.a1);
}

final returnStruct8BytesPackedIntLeaf = ffiTestFunctions.lookupFunction<
    Struct8BytesPackedInt Function(Uint8, Uint32, Uint8, Uint8, Uint8),
    Struct8BytesPackedInt Function(
        int, int, int, int, int)>("ReturnStruct8BytesPackedInt", isLeaf: true);

/// Struct with mis-aligned member.
void testReturnStruct8BytesPackedIntLeaf() {
  int a0;
  int a1;
  int a2;
  int a3;
  int a4;

  a0 = 1;
  a1 = 2;
  a2 = 3;
  a3 = 4;
  a4 = 5;

  final result = returnStruct8BytesPackedIntLeaf(a0, a1, a2, a3, a4);

  print("result = $result");

  Expect.equals(a0, result.a0);
  Expect.equals(a1, result.a1);
  Expect.equals(a2, result.a2);
  Expect.equals(a3, result.a3);
  Expect.equals(a4, result.a4);
}

final returnStruct9BytesPackedMixedLeaf = ffiTestFunctions.lookupFunction<
    Struct9BytesPackedMixed Function(Uint8, Double),
    Struct9BytesPackedMixed Function(
        int, double)>("ReturnStruct9BytesPackedMixed", isLeaf: true);

/// Struct with mis-aligned member.
/// Tests backfilling of CPU and FPU registers.
void testReturnStruct9BytesPackedMixedLeaf() {
  int a0;
  double a1;

  a0 = 1;
  a1 = 2.0;

  final result = returnStruct9BytesPackedMixedLeaf(a0, a1);

  print("result = $result");

  Expect.equals(a0, result.a0);
  Expect.approxEquals(a1, result.a1);
}

final returnUnion4BytesMixedLeaf = ffiTestFunctions.lookupFunction<
    Union4BytesMixed Function(Uint32),
    Union4BytesMixed Function(int)>("ReturnUnion4BytesMixed", isLeaf: true);

/// Returning a mixed integer/float union.
void testReturnUnion4BytesMixedLeaf() {
  int a0;

  a0 = 1;

  final result = returnUnion4BytesMixedLeaf(a0);

  print("result = $result");

  Expect.equals(a0, result.a0);
}

final returnUnion8BytesNestedFloatLeaf = ffiTestFunctions.lookupFunction<
    Union8BytesNestedFloat Function(Double),
    Union8BytesNestedFloat Function(
        double)>("ReturnUnion8BytesNestedFloat", isLeaf: true);

/// Returning a floating point only union.
void testReturnUnion8BytesNestedFloatLeaf() {
  double a0;

  a0 = -1.0;

  final result = returnUnion8BytesNestedFloatLeaf(a0);

  print("result = $result");

  Expect.approxEquals(a0, result.a0);
}

final returnUnion9BytesNestedIntLeaf = ffiTestFunctions.lookupFunction<
    Union9BytesNestedInt Function(Struct8BytesInt),
    Union9BytesNestedInt Function(
        Struct8BytesInt)>("ReturnUnion9BytesNestedInt", isLeaf: true);

/// Returning a mixed-size union.
void testReturnUnion9BytesNestedIntLeaf() {
  final a0Pointer = calloc<Struct8BytesInt>();
  final Struct8BytesInt a0 = a0Pointer.ref;

  a0.a0 = -1;
  a0.a1 = 2;
  a0.a2 = -3;

  final result = returnUnion9BytesNestedIntLeaf(a0);

  print("result = $result");

  Expect.equals(a0.a0, result.a0.a0);
  Expect.equals(a0.a1, result.a0.a1);
  Expect.equals(a0.a2, result.a0.a2);

  calloc.free(a0Pointer);
}

final returnUnion16BytesNestedFloatLeaf = ffiTestFunctions.lookupFunction<
        Union16BytesNestedFloat Function(Struct8BytesHomogeneousFloat),
        Union16BytesNestedFloat Function(Struct8BytesHomogeneousFloat)>(
    "ReturnUnion16BytesNestedFloat",
    isLeaf: true);

/// Returning union with homogenous floats.
void testReturnUnion16BytesNestedFloatLeaf() {
  final a0Pointer = calloc<Struct8BytesHomogeneousFloat>();
  final Struct8BytesHomogeneousFloat a0 = a0Pointer.ref;

  a0.a0 = -1.0;
  a0.a1 = 2.0;

  final result = returnUnion16BytesNestedFloatLeaf(a0);

  print("result = $result");

  Expect.approxEquals(a0.a0, result.a0.a0);
  Expect.approxEquals(a0.a1, result.a0.a1);

  calloc.free(a0Pointer);
}