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AnimTestbed/3rdparty/ozz-animation/test/animation/offline/skeleton_builder_tests.cc

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//----------------------------------------------------------------------------//
// //
// ozz-animation is hosted at http://github.com/guillaumeblanc/ozz-animation //
// and distributed under the MIT License (MIT). //
// //
// Copyright (c) Guillaume Blanc //
// //
// Permission is hereby granted, free of charge, to any person obtaining a //
// copy of this software and associated documentation files (the "Software"), //
// to deal in the Software without restriction, including without limitation //
// the rights to use, copy, modify, merge, publish, distribute, sublicense, //
// and/or sell copies of the Software, and to permit persons to whom the //
// Software is furnished to do so, subject to the following conditions: //
// //
// The above copyright notice and this permission notice shall be included in //
// all copies or substantial portions of the Software. //
// //
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR //
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, //
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL //
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER //
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING //
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER //
// DEALINGS IN THE SOFTWARE. //
// //
//----------------------------------------------------------------------------//
#include "ozz/animation/offline/raw_skeleton.h"
#include "ozz/animation/offline/skeleton_builder.h"
#include <cstring>
#include "gtest/gtest.h"
#include "ozz/animation/runtime/skeleton.h"
#include "ozz/base/maths/simd_math.h"
#include "ozz/base/maths/soa_transform.h"
#include "ozz/base/memory/unique_ptr.h"
#include "ozz/base/maths/gtest_math_helper.h"
using ozz::animation::Skeleton;
using ozz::animation::offline::RawSkeleton;
using ozz::animation::offline::SkeletonBuilder;
TEST(Error, SkeletonBuilder) {
// Instantiates a builder objects with default parameters.
SkeletonBuilder builder;
// The default raw skeleton is valid. It has no joint.
{
RawSkeleton raw_skeleton;
EXPECT_TRUE(raw_skeleton.Validate());
EXPECT_EQ(raw_skeleton.num_joints(), 0);
ozz::unique_ptr<Skeleton> skeleton(builder(raw_skeleton));
ASSERT_TRUE(skeleton);
EXPECT_EQ(skeleton->num_joints(), 0);
}
}
namespace {
// Tester object that ensure order (depth-first) of joints iteration.
class RawSkeletonIterateDFTester {
public:
RawSkeletonIterateDFTester() : num_joint_(0) {}
void operator()(const RawSkeleton::Joint& _current,
const RawSkeleton::Joint* _parent) {
switch (num_joint_) {
case 0: {
EXPECT_TRUE(_current.name == "root" && _parent == nullptr);
break;
}
case 1: {
EXPECT_TRUE(_current.name == "j0" && _parent->name == "root");
break;
}
case 2: {
EXPECT_TRUE(_current.name == "j1" && _parent->name == "root");
break;
}
case 3: {
EXPECT_TRUE(_current.name == "j2" && _parent->name == "j1");
break;
}
case 4: {
EXPECT_TRUE(_current.name == "j3" && _parent->name == "j1");
break;
}
case 5: {
EXPECT_TRUE(_current.name == "j4" && _parent->name == "root");
break;
}
default: {
EXPECT_TRUE(false);
break;
}
}
++num_joint_;
}
private:
int num_joint_;
};
// Tester object that ensure order (breadth-first) of joints iteration.
class RawSkeletonIterateBFTester {
public:
RawSkeletonIterateBFTester() : num_joint_(0) {}
void operator()(const RawSkeleton::Joint& _current,
const RawSkeleton::Joint* _parent) {
switch (num_joint_) {
case 0: {
EXPECT_TRUE(_current.name == "root" && _parent == nullptr);
break;
}
case 1: {
EXPECT_TRUE(_current.name == "j0" && _parent->name == "root");
break;
}
case 2: {
EXPECT_TRUE(_current.name == "j1" && _parent->name == "root");
break;
}
case 3: {
EXPECT_TRUE(_current.name == "j4" && _parent->name == "root");
break;
}
case 4: {
EXPECT_TRUE(_current.name == "j2" && _parent->name == "j1");
break;
}
case 5: {
EXPECT_TRUE(_current.name == "j3" && _parent->name == "j1");
break;
}
default: {
EXPECT_TRUE(false);
break;
}
}
++num_joint_;
}
private:
int num_joint_;
};
} // namespace
TEST(Iterate, SkeletonBuilder) {
/*
5 joints
*
|
root
/ | \
j0 j1 j4
/ \
j2 j3
*/
RawSkeleton raw_skeleton;
raw_skeleton.roots.resize(1);
RawSkeleton::Joint& root = raw_skeleton.roots[0];
root.name = "root";
root.children.resize(3);
root.children[0].name = "j0";
root.children[1].name = "j1";
root.children[2].name = "j4";
root.children[1].children.resize(2);
root.children[1].children[0].name = "j2";
root.children[1].children[1].name = "j3";
EXPECT_TRUE(raw_skeleton.Validate());
EXPECT_EQ(raw_skeleton.num_joints(), 6);
IterateJointsDF(raw_skeleton, RawSkeletonIterateDFTester());
IterateJointsBF(raw_skeleton, RawSkeletonIterateBFTester());
}
TEST(Build, SkeletonBuilder) {
// Instantiates a builder objects with default parameters.
SkeletonBuilder builder;
// 1 joint: the root.
{
RawSkeleton raw_skeleton;
raw_skeleton.roots.resize(1);
RawSkeleton::Joint& root = raw_skeleton.roots[0];
root.name = "root";
EXPECT_TRUE(raw_skeleton.Validate());
EXPECT_EQ(raw_skeleton.num_joints(), 1);
ozz::unique_ptr<Skeleton> skeleton(builder(raw_skeleton));
ASSERT_TRUE(skeleton);
EXPECT_EQ(skeleton->num_joints(), 1);
EXPECT_EQ(skeleton->joint_parents()[0], Skeleton::kNoParent);
}
/*
2 joints
*
|
j0
|
j1
*/
{
RawSkeleton raw_skeleton;
raw_skeleton.roots.resize(1);
RawSkeleton::Joint& root = raw_skeleton.roots[0];
root.name = "j0";
root.children.resize(1);
root.children[0].name = "j1";
EXPECT_TRUE(raw_skeleton.Validate());
EXPECT_EQ(raw_skeleton.num_joints(), 2);
ozz::unique_ptr<Skeleton> skeleton(builder(raw_skeleton));
ASSERT_TRUE(skeleton);
EXPECT_EQ(skeleton->num_joints(), 2);
for (int i = 0; i < skeleton->num_joints(); ++i) {
const int parent_index = skeleton->joint_parents()[i];
if (std::strcmp(skeleton->joint_names()[i], "j0") == 0) {
EXPECT_EQ(parent_index, Skeleton::kNoParent);
} else if (std::strcmp(skeleton->joint_names()[i], "j1") == 0) {
EXPECT_TRUE(std::strcmp(skeleton->joint_names()[parent_index], "j0") ==
0);
} else {
EXPECT_TRUE(false);
}
}
}
/*
3 joints
*
|
j0
/ \
j1 j2
*/
{
RawSkeleton raw_skeleton;
raw_skeleton.roots.resize(1);
RawSkeleton::Joint& root = raw_skeleton.roots[0];
root.name = "j0";
root.children.resize(2);
root.children[0].name = "j1";
root.children[1].name = "j2";
EXPECT_TRUE(raw_skeleton.Validate());
EXPECT_EQ(raw_skeleton.num_joints(), 3);
ozz::unique_ptr<Skeleton> skeleton(builder(raw_skeleton));
ASSERT_TRUE(skeleton);
EXPECT_EQ(skeleton->num_joints(), 3);
for (int i = 0; i < skeleton->num_joints(); ++i) {
const int parent_index = skeleton->joint_parents()[i];
if (std::strcmp(skeleton->joint_names()[i], "j0") == 0) {
EXPECT_EQ(parent_index, Skeleton::kNoParent);
} else if (std::strcmp(skeleton->joint_names()[i], "j1") == 0) {
EXPECT_STREQ(skeleton->joint_names()[parent_index], "j0");
} else if (std::strcmp(skeleton->joint_names()[i], "j2") == 0) {
EXPECT_STREQ(skeleton->joint_names()[parent_index], "j0");
} else {
EXPECT_TRUE(false);
}
}
}
/*
4 joints
*
|
j0
/ \
j1 j3
|
j2
*/
{
RawSkeleton raw_skeleton;
raw_skeleton.roots.resize(1);
RawSkeleton::Joint& root = raw_skeleton.roots[0];
root.name = "j0";
root.children.resize(2);
root.children[0].name = "j1";
root.children[1].name = "j3";
root.children[0].children.resize(1);
root.children[0].children[0].name = "j2";
EXPECT_TRUE(raw_skeleton.Validate());
EXPECT_EQ(raw_skeleton.num_joints(), 4);
ozz::unique_ptr<Skeleton> skeleton(builder(raw_skeleton));
ASSERT_TRUE(skeleton);
EXPECT_EQ(skeleton->num_joints(), 4);
for (int i = 0; i < skeleton->num_joints(); ++i) {
const int parent_index = skeleton->joint_parents()[i];
if (std::strcmp(skeleton->joint_names()[i], "j0") == 0) {
EXPECT_EQ(parent_index, Skeleton::kNoParent);
} else if (std::strcmp(skeleton->joint_names()[i], "j1") == 0) {
EXPECT_STREQ(skeleton->joint_names()[parent_index], "j0");
} else if (std::strcmp(skeleton->joint_names()[i], "j2") == 0) {
EXPECT_STREQ(skeleton->joint_names()[parent_index], "j1");
} else if (std::strcmp(skeleton->joint_names()[i], "j3") == 0) {
EXPECT_STREQ(skeleton->joint_names()[parent_index], "j0");
} else {
EXPECT_TRUE(false);
}
}
}
/*
4 joints
*
|
j0
/ \
j1 j2
|
j3
*/
{
RawSkeleton raw_skeleton;
raw_skeleton.roots.resize(1);
RawSkeleton::Joint& root = raw_skeleton.roots[0];
root.name = "j0";
root.children.resize(2);
root.children[0].name = "j1";
root.children[1].name = "j2";
root.children[1].children.resize(1);
root.children[1].children[0].name = "j3";
EXPECT_TRUE(raw_skeleton.Validate());
EXPECT_EQ(raw_skeleton.num_joints(), 4);
ozz::unique_ptr<Skeleton> skeleton(builder(raw_skeleton));
ASSERT_TRUE(skeleton);
EXPECT_EQ(skeleton->num_joints(), 4);
for (int i = 0; i < skeleton->num_joints(); ++i) {
const int parent_index = skeleton->joint_parents()[i];
if (std::strcmp(skeleton->joint_names()[i], "j0") == 0) {
EXPECT_EQ(parent_index, Skeleton::kNoParent);
} else if (std::strcmp(skeleton->joint_names()[i], "j1") == 0) {
EXPECT_STREQ(skeleton->joint_names()[parent_index], "j0");
} else if (std::strcmp(skeleton->joint_names()[i], "j2") == 0) {
EXPECT_STREQ(skeleton->joint_names()[parent_index], "j0");
} else if (std::strcmp(skeleton->joint_names()[i], "j3") == 0) {
EXPECT_STREQ(skeleton->joint_names()[parent_index], "j2");
} else {
EXPECT_TRUE(false);
}
}
}
/*
5 joints
*
|
j0
/ \
j1 j2
/ \
j3 j4
*/
{
RawSkeleton raw_skeleton;
raw_skeleton.roots.resize(1);
RawSkeleton::Joint& root = raw_skeleton.roots[0];
root.name = "j0";
root.children.resize(2);
root.children[0].name = "j1";
root.children[1].name = "j2";
root.children[1].children.resize(2);
root.children[1].children[0].name = "j3";
root.children[1].children[1].name = "j4";
EXPECT_TRUE(raw_skeleton.Validate());
EXPECT_EQ(raw_skeleton.num_joints(), 5);
ozz::unique_ptr<Skeleton> skeleton(builder(raw_skeleton));
ASSERT_TRUE(skeleton);
EXPECT_EQ(skeleton->num_joints(), 5);
for (int i = 0; i < skeleton->num_joints(); ++i) {
const int parent_index = skeleton->joint_parents()[i];
if (std::strcmp(skeleton->joint_names()[i], "j0") == 0) {
EXPECT_EQ(parent_index, Skeleton::kNoParent);
} else if (std::strcmp(skeleton->joint_names()[i], "j1") == 0) {
EXPECT_STREQ(skeleton->joint_names()[parent_index], "j0");
} else if (std::strcmp(skeleton->joint_names()[i], "j2") == 0) {
EXPECT_STREQ(skeleton->joint_names()[parent_index], "j0");
} else if (std::strcmp(skeleton->joint_names()[i], "j3") == 0) {
EXPECT_STREQ(skeleton->joint_names()[parent_index], "j2");
} else if (std::strcmp(skeleton->joint_names()[i], "j4") == 0) {
EXPECT_STREQ(skeleton->joint_names()[parent_index], "j2");
} else {
EXPECT_TRUE(false);
}
}
}
/*
6 joints
*
|
j0
/ \
j1 j3
| / \
j2 j4 j5
*/
{
RawSkeleton raw_skeleton;
raw_skeleton.roots.resize(1);
RawSkeleton::Joint& root = raw_skeleton.roots[0];
root.name = "j0";
root.children.resize(2);
root.children[0].name = "j1";
root.children[1].name = "j3";
root.children[0].children.resize(1);
root.children[0].children[0].name = "j2";
root.children[1].children.resize(2);
root.children[1].children[0].name = "j4";
root.children[1].children[1].name = "j5";
EXPECT_TRUE(raw_skeleton.Validate());
EXPECT_EQ(raw_skeleton.num_joints(), 6);
ozz::unique_ptr<Skeleton> skeleton(builder(raw_skeleton));
ASSERT_TRUE(skeleton);
EXPECT_EQ(skeleton->num_joints(), 6);
for (int i = 0; i < skeleton->num_joints(); ++i) {
const int parent_index = skeleton->joint_parents()[i];
if (std::strcmp(skeleton->joint_names()[i], "j0") == 0) {
EXPECT_EQ(parent_index, Skeleton::kNoParent);
} else if (std::strcmp(skeleton->joint_names()[i], "j1") == 0) {
EXPECT_STREQ(skeleton->joint_names()[parent_index], "j0");
} else if (std::strcmp(skeleton->joint_names()[i], "j2") == 0) {
EXPECT_STREQ(skeleton->joint_names()[parent_index], "j1");
} else if (std::strcmp(skeleton->joint_names()[i], "j3") == 0) {
EXPECT_STREQ(skeleton->joint_names()[parent_index], "j0");
} else if (std::strcmp(skeleton->joint_names()[i], "j4") == 0) {
EXPECT_STREQ(skeleton->joint_names()[parent_index], "j3");
} else if (std::strcmp(skeleton->joint_names()[i], "j5") == 0) {
EXPECT_STREQ(skeleton->joint_names()[parent_index], "j3");
} else {
EXPECT_TRUE(false);
}
}
// Skeleton joins should be sorted "per parent" and maintain original
// children joint order.
EXPECT_EQ(skeleton->joint_parents()[0], Skeleton::kNoParent);
EXPECT_STREQ(skeleton->joint_names()[0], "j0");
EXPECT_EQ(skeleton->joint_parents()[1], 0);
EXPECT_STREQ(skeleton->joint_names()[1], "j1");
EXPECT_EQ(skeleton->joint_parents()[2], 1);
EXPECT_STREQ(skeleton->joint_names()[2], "j2");
EXPECT_EQ(skeleton->joint_parents()[3], 0);
EXPECT_STREQ(skeleton->joint_names()[3], "j3");
EXPECT_EQ(skeleton->joint_parents()[4], 3);
EXPECT_STREQ(skeleton->joint_names()[4], "j4");
EXPECT_EQ(skeleton->joint_parents()[5], 3);
EXPECT_STREQ(skeleton->joint_names()[5], "j5");
}
}
TEST(JointOrder, SkeletonBuilder) {
// Instantiates a builder objects with default parameters.
SkeletonBuilder builder;
/*
7 joints
*
|
j0
/ | \
j1 j3 j7
| / \
j2 j4 j5
|
j6
*/
RawSkeleton raw_skeleton;
raw_skeleton.roots.resize(1);
RawSkeleton::Joint& root = raw_skeleton.roots[0];
root.name = "j0";
root.children.resize(3);
root.children[0].name = "j1";
root.children[1].name = "j3";
root.children[2].name = "j7";
root.children[0].children.resize(1);
root.children[0].children[0].name = "j2";
root.children[1].children.resize(2);
root.children[1].children[0].name = "j4";
root.children[1].children[1].name = "j5";
root.children[1].children[1].children.resize(1);
root.children[1].children[1].children[0].name = "j6";
EXPECT_TRUE(raw_skeleton.Validate());
EXPECT_EQ(raw_skeleton.num_joints(), 8);
ozz::unique_ptr<Skeleton> skeleton(builder(raw_skeleton));
ASSERT_TRUE(skeleton);
EXPECT_EQ(skeleton->num_joints(), 8);
// Skeleton joints should be sorted "per parent" and maintain original
// children joint order.
EXPECT_EQ(skeleton->joint_parents()[0], Skeleton::kNoParent);
EXPECT_STREQ(skeleton->joint_names()[0], "j0");
EXPECT_EQ(skeleton->joint_parents()[1], 0);
EXPECT_STREQ(skeleton->joint_names()[1], "j1");
EXPECT_EQ(skeleton->joint_parents()[3], 0);
EXPECT_STREQ(skeleton->joint_names()[3], "j3");
EXPECT_EQ(skeleton->joint_parents()[7], 0);
EXPECT_STREQ(skeleton->joint_names()[7], "j7");
EXPECT_EQ(skeleton->joint_parents()[2], 1);
EXPECT_STREQ(skeleton->joint_names()[2], "j2");
EXPECT_EQ(skeleton->joint_parents()[4], 3);
EXPECT_STREQ(skeleton->joint_names()[4], "j4");
EXPECT_EQ(skeleton->joint_parents()[5], 3);
EXPECT_STREQ(skeleton->joint_names()[5], "j5");
EXPECT_EQ(skeleton->joint_parents()[6], 5);
EXPECT_STREQ(skeleton->joint_names()[6], "j6");
}
TEST(MultiRoots, SkeletonBuilder) {
// Instantiates a builder objects with default parameters.
SkeletonBuilder builder;
/*
6 joints (2 roots)
*
/ \
j0 j2
| | \
j1 j3 j5
|
j4
*/
RawSkeleton raw_skeleton;
raw_skeleton.roots.resize(2);
raw_skeleton.roots[0].name = "j0";
raw_skeleton.roots[0].children.resize(1);
raw_skeleton.roots[0].children[0].name = "j1";
raw_skeleton.roots[1].name = "j2";
raw_skeleton.roots[1].children.resize(2);
raw_skeleton.roots[1].children[0].name = "j3";
raw_skeleton.roots[1].children[1].name = "j5";
raw_skeleton.roots[1].children[0].children.resize(1);
raw_skeleton.roots[1].children[0].children[0].name = "j4";
EXPECT_TRUE(raw_skeleton.Validate());
EXPECT_EQ(raw_skeleton.num_joints(), 6);
ozz::unique_ptr<Skeleton> skeleton(builder(raw_skeleton));
ASSERT_TRUE(skeleton);
EXPECT_EQ(skeleton->num_joints(), 6);
for (int i = 0; i < skeleton->num_joints(); i++) {
const int parent_index = skeleton->joint_parents()[i];
if (std::strcmp(skeleton->joint_names()[i], "j0") == 0) {
EXPECT_EQ(parent_index, Skeleton::kNoParent);
} else if (std::strcmp(skeleton->joint_names()[i], "j1") == 0) {
EXPECT_STREQ(skeleton->joint_names()[parent_index], "j0");
} else if (std::strcmp(skeleton->joint_names()[i], "j2") == 0) {
EXPECT_EQ(parent_index, Skeleton::kNoParent);
} else if (std::strcmp(skeleton->joint_names()[i], "j3") == 0) {
EXPECT_STREQ(skeleton->joint_names()[parent_index], "j2");
} else if (std::strcmp(skeleton->joint_names()[i], "j4") == 0) {
EXPECT_STREQ(skeleton->joint_names()[parent_index], "j3");
} else if (std::strcmp(skeleton->joint_names()[i], "j5") == 0) {
EXPECT_STREQ(skeleton->joint_names()[parent_index], "j2");
} else {
EXPECT_TRUE(false);
}
}
}
TEST(BindPose, SkeletonBuilder) {
using ozz::math::Float3;
using ozz::math::Float4;
using ozz::math::Quaternion;
using ozz::math::Transform;
// Instantiates a builder objects with default parameters.
SkeletonBuilder builder;
/*
3 joints
*
|
j0
/ \
j1 j2
*/
RawSkeleton raw_skeleton;
raw_skeleton.roots.resize(1);
RawSkeleton::Joint& root = raw_skeleton.roots[0];
root.name = "j0";
root.transform = Transform::identity();
root.transform.translation = Float3(1.f, 2.f, 3.f);
root.transform.rotation = Quaternion(1.f, 0.f, 0.f, 0.f);
root.children.resize(2);
root.children[0].name = "j1";
root.children[0].transform = Transform::identity();
root.children[0].transform.rotation = Quaternion(0.f, 1.f, 0.f, 0.f);
root.children[0].transform.translation = Float3(4.f, 5.f, 6.f);
root.children[1].name = "j2";
root.children[1].transform = Transform::identity();
root.children[1].transform.translation = Float3(7.f, 8.f, 9.f);
root.children[1].transform.scale = Float3(-27.f, 46.f, 9.f);
EXPECT_TRUE(raw_skeleton.Validate());
EXPECT_EQ(raw_skeleton.num_joints(), 3);
ozz::unique_ptr<Skeleton> skeleton(builder(raw_skeleton));
ASSERT_TRUE(skeleton);
// Convert bind pose back to aos.
ozz::math::SimdFloat4 translations[4];
ozz::math::SimdFloat4 scales[4];
ozz::math::SimdFloat4 rotations[4];
const ozz::math::SoaTransform& bind_pose = skeleton->joint_bind_poses()[0];
ozz::math::Transpose3x4(&bind_pose.translation.x, translations);
ozz::math::Transpose4x4(&bind_pose.rotation.x, rotations);
ozz::math::Transpose3x4(&bind_pose.scale.x, scales);
for (int i = 0; i < skeleton->num_joints(); ++i) {
if (std::strcmp(skeleton->joint_names()[i], "j0") == 0) {
EXPECT_SIMDFLOAT_EQ(translations[i], 1.f, 2.f, 3.f, 0.f);
EXPECT_SIMDFLOAT_EQ(rotations[i], 1.f, 0.f, 0.f, 0.f);
EXPECT_SIMDFLOAT_EQ(scales[i], 1.f, 1.f, 1.f, 0.f);
} else if (std::strcmp(skeleton->joint_names()[i], "j1") == 0) {
EXPECT_SIMDFLOAT_EQ(translations[i], 4.f, 5.f, 6.f, 0.f);
EXPECT_SIMDFLOAT_EQ(rotations[i], 0.f, 1.f, 0.f, 0.f);
EXPECT_SIMDFLOAT_EQ(scales[i], 1.f, 1.f, 1.f, 0.f);
} else if (std::strcmp(skeleton->joint_names()[i], "j2") == 0) {
EXPECT_SIMDFLOAT_EQ(translations[i], 7.f, 8.f, 9.f, 0.f);
EXPECT_SIMDFLOAT_EQ(rotations[i], 0.f, 0.f, 0.f, 1.f);
EXPECT_SIMDFLOAT_EQ(scales[i], -27.f, 46.f, 9.f, 0.f);
} else {
EXPECT_TRUE(false);
}
}
// Unused joint from the SoA structure must be properly initialized
EXPECT_SIMDFLOAT_EQ(translations[3], 0.f, 0.f, 0.f, 0.f);
EXPECT_SIMDFLOAT_EQ(rotations[3], 0.f, 0.f, 0.f, 1.f);
EXPECT_SIMDFLOAT_EQ(scales[3], 1.f, 1.f, 1.f, 0.f);
}
TEST(MaxJoints, SkeletonBuilder) {
// Instantiates a builder objects with default parameters.
SkeletonBuilder builder;
{ // Inside the domain.
RawSkeleton raw_skeleton;
raw_skeleton.roots.resize(Skeleton::kMaxJoints);
EXPECT_TRUE(raw_skeleton.Validate());
EXPECT_EQ(raw_skeleton.num_joints(), Skeleton::kMaxJoints);
ozz::unique_ptr<Skeleton> skeleton(builder(raw_skeleton));
EXPECT_TRUE(skeleton);
}
{ // Outside of the domain.
RawSkeleton raw_skeleton;
raw_skeleton.roots.resize(Skeleton::kMaxJoints + 1);
EXPECT_FALSE(raw_skeleton.Validate());
EXPECT_EQ(raw_skeleton.num_joints(), Skeleton::kMaxJoints + 1);
EXPECT_TRUE(!builder(raw_skeleton));
}
}
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