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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gfx/geometry/test/geometry_util.h"
#include <sstream>
#include <string>
#include "base/strings/stringprintf.h"
#include "ui/gfx/geometry/axis_transform2d.h"
#include "ui/gfx/geometry/box_f.h"
#include "ui/gfx/geometry/decomposed_transform.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/gfx/geometry/insets_f.h"
#include "ui/gfx/geometry/mask_filter_info.h"
#include "ui/gfx/geometry/outsets.h"
#include "ui/gfx/geometry/outsets_f.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/point3_f.h"
#include "ui/gfx/geometry/point_f.h"
#include "ui/gfx/geometry/quad_f.h"
#include "ui/gfx/geometry/quaternion.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/rect_f.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/geometry/size_f.h"
#include "ui/gfx/geometry/skia_conversions.h"
#include "ui/gfx/geometry/transform.h"
#include "ui/gfx/geometry/vector2d.h"
#include "ui/gfx/geometry/vector2d_f.h"
#include "ui/gfx/geometry/vector3d_f.h"
#include "ui/gfx/selection_bound.h"
namespace gfx {
namespace {
bool FloatAlmostEqual(float a, float b) {
// FloatLE is the gtest predicate for less than or almost equal to.
return ::testing::FloatLE("a", "b", a, b) &&
::testing::FloatLE("b", "a", b, a);
}
bool FloatNear(float a, float b, float abs_error) {
return std::abs(a - b) <= abs_error;
}
template <typename T>
::testing::AssertionResult EqFailure(const char* lhs_expr,
const char* rhs_expr,
const T& lhs,
const T& rhs) {
return ::testing::AssertionFailure()
<< "Expected equality of these values:\n"
<< lhs_expr << "\n Which is: " << lhs.ToString() << "\n"
<< rhs_expr << "\n Which is: " << rhs.ToString();
}
template <typename T>
::testing::AssertionResult NearFailure(const char* lhs_expr,
const char* rhs_expr,
const char* abs_error_expr,
const T& lhs,
const T& rhs,
float abs_error) {
return ::testing::AssertionFailure()
<< "The difference between these values:\n"
<< lhs_expr << "\n Which is: " << lhs.ToString() << "\n"
<< rhs_expr << "\n Which is: " << rhs.ToString() << "\nexceeds "
<< abs_error_expr << "\n Which is: " << abs_error;
}
struct SkRectToString {
SkRect r;
std::string ToString() const {
return base::StringPrintf("SkRect::MakeLTRB(%g, %g, %g, %g)", r.left(),
r.top(), r.right(), r.bottom());
}
};
} // namespace
::testing::AssertionResult AssertAxisTransform2dFloatEqual(
const char* lhs_expr,
const char* rhs_expr,
const AxisTransform2d& lhs,
const AxisTransform2d& rhs) {
if (FloatAlmostEqual(lhs.scale().x(), rhs.scale().x()) &&
FloatAlmostEqual(lhs.scale().y(), rhs.scale().y()) &&
FloatAlmostEqual(lhs.translation().x(), rhs.translation().x()) &&
FloatAlmostEqual(lhs.translation().y(), rhs.translation().y())) {
return ::testing::AssertionSuccess();
}
return EqFailure(lhs_expr, rhs_expr, lhs, rhs);
}
::testing::AssertionResult AssertQuaternionFloatEqual(const char* lhs_expr,
const char* rhs_expr,
const Quaternion& lhs,
const Quaternion& rhs) {
if (FloatAlmostEqual(lhs.x(), rhs.x()) &&
FloatAlmostEqual(lhs.y(), rhs.y()) &&
FloatAlmostEqual(lhs.z(), rhs.z()) &&
FloatAlmostEqual(lhs.w(), rhs.w())) {
return ::testing::AssertionSuccess();
}
return EqFailure(lhs_expr, rhs_expr, lhs, rhs);
}
::testing::AssertionResult AssertQuaternionFloatNear(const char* lhs_expr,
const char* rhs_expr,
const char* abs_error_expr,
const Quaternion& lhs,
const Quaternion& rhs,
float abs_error) {
if (FloatNear(lhs.x(), rhs.x(), abs_error) &&
FloatNear(lhs.y(), rhs.y(), abs_error) &&
FloatNear(lhs.z(), rhs.z(), abs_error) &&
FloatNear(lhs.w(), rhs.w(), abs_error)) {
return ::testing::AssertionSuccess();
}
return NearFailure(lhs_expr, rhs_expr, abs_error_expr, lhs, rhs, abs_error);
}
::testing::AssertionResult AssertDecomposedTransformFloatEqual(
const char* lhs_expr,
const char* rhs_expr,
const DecomposedTransform& lhs,
const DecomposedTransform& rhs) {
#define CHECK_ARRAY(array) \
do { \
for (size_t i = 0; i < std::size(lhs.array); i++) { \
if (!FloatAlmostEqual(lhs.array[i], rhs.array[i])) { \
return EqFailure(lhs_expr, rhs_expr, lhs, rhs) \
<< "First difference is at: " << #array << "[" << i << "]"; \
} \
} \
} while (false)
CHECK_ARRAY(translate);
CHECK_ARRAY(scale);
CHECK_ARRAY(skew);
CHECK_ARRAY(perspective);
#undef CHECK_ARRAY
return AssertQuaternionFloatEqual(lhs_expr, rhs_expr, lhs.quaternion,
rhs.quaternion)
<< " In quaternion";
}
::testing::AssertionResult AssertDecomposedTransformFloatNear(
const char* lhs_expr,
const char* rhs_expr,
const char* abs_error_expr,
const DecomposedTransform& lhs,
const DecomposedTransform& rhs,
float abs_error) {
#define CHECK_ARRAY(array) \
do { \
for (size_t i = 0; i < std::size(lhs.array); i++) { \
if (!FloatNear(lhs.array[i], rhs.array[i], abs_error)) { \
return NearFailure(lhs_expr, rhs_expr, abs_error_expr, lhs, rhs, \
abs_error) \
<< "First difference is at: " << #array << "[" << i << "]"; \
} \
} \
} while (false)
CHECK_ARRAY(translate);
CHECK_ARRAY(scale);
CHECK_ARRAY(skew);
CHECK_ARRAY(perspective);
#undef CHECK_ARRAY
return AssertQuaternionFloatNear(lhs_expr, rhs_expr, abs_error_expr,
lhs.quaternion, rhs.quaternion, abs_error)
<< " In quaternion";
}
::testing::AssertionResult AssertTransformFloatEqual(const char* lhs_expr,
const char* rhs_expr,
const Transform& lhs,
const Transform& rhs) {
for (int row = 0; row < 4; ++row) {
for (int col = 0; col < 4; ++col) {
if (!FloatAlmostEqual(lhs.rc(row, col), rhs.rc(row, col))) {
return EqFailure(lhs_expr, rhs_expr, lhs, rhs)
<< "\nFirst difference at row: " << row << " col: " << col;
}
}
}
return ::testing::AssertionSuccess();
}
::testing::AssertionResult AssertTransformFloatNear(const char* lhs_expr,
const char* rhs_expr,
const char* abs_error_expr,
const Transform& lhs,
const Transform& rhs,
float abs_error) {
for (int row = 0; row < 4; ++row) {
for (int col = 0; col < 4; ++col) {
if (!FloatNear(lhs.rc(row, col), rhs.rc(row, col), abs_error)) {
return NearFailure(lhs_expr, rhs_expr, abs_error_expr, lhs, rhs,
abs_error)
<< "\nFirst difference at row: " << row << " col: " << col;
}
}
}
return ::testing::AssertionSuccess();
}
::testing::AssertionResult AssertBoxFloatEqual(const char* lhs_expr,
const char* rhs_expr,
const BoxF& lhs,
const BoxF& rhs) {
if (FloatAlmostEqual(lhs.x(), rhs.x()) &&
FloatAlmostEqual(lhs.y(), rhs.y()) &&
FloatAlmostEqual(lhs.z(), rhs.z()) &&
FloatAlmostEqual(lhs.width(), rhs.width()) &&
FloatAlmostEqual(lhs.height(), rhs.height()) &&
FloatAlmostEqual(lhs.depth(), rhs.depth())) {
return ::testing::AssertionSuccess();
}
return EqFailure(lhs_expr, rhs_expr, lhs, rhs);
}
::testing::AssertionResult AssertBoxFloatNear(const char* lhs_expr,
const char* rhs_expr,
const char* abs_error_expr,
const BoxF& lhs,
const BoxF& rhs,
float abs_error) {
if (FloatNear(lhs.x(), rhs.x(), abs_error) &&
FloatNear(lhs.y(), rhs.y(), abs_error) &&
FloatNear(lhs.z(), rhs.z(), abs_error) &&
FloatNear(lhs.width(), rhs.width(), abs_error) &&
FloatNear(lhs.height(), rhs.height(), abs_error) &&
FloatNear(lhs.depth(), rhs.depth(), abs_error)) {
return ::testing::AssertionSuccess();
}
return NearFailure(lhs_expr, rhs_expr, abs_error_expr, lhs, rhs, abs_error);
}
::testing::AssertionResult AssertPointFloatEqual(const char* lhs_expr,
const char* rhs_expr,
const PointF& lhs,
const PointF& rhs) {
if (FloatAlmostEqual(lhs.x(), rhs.x()) &&
FloatAlmostEqual(lhs.y(), rhs.y())) {
return ::testing::AssertionSuccess();
}
return EqFailure(lhs_expr, rhs_expr, lhs, rhs);
}
::testing::AssertionResult AssertPointFloatNear(const char* lhs_expr,
const char* rhs_expr,
const char* abs_error_expr,
const PointF& lhs,
const PointF& rhs,
float abs_error) {
if (FloatNear(lhs.x(), rhs.x(), abs_error) &&
FloatNear(lhs.y(), rhs.y(), abs_error)) {
return ::testing::AssertionSuccess();
}
return NearFailure(lhs_expr, rhs_expr, abs_error_expr, lhs, rhs, abs_error);
}
::testing::AssertionResult AssertPoint3FloatEqual(const char* lhs_expr,
const char* rhs_expr,
const Point3F& lhs,
const Point3F& rhs) {
if (FloatAlmostEqual(lhs.x(), rhs.x()) &&
FloatAlmostEqual(lhs.y(), rhs.y()) &&
FloatAlmostEqual(lhs.z(), rhs.z())) {
return ::testing::AssertionSuccess();
}
return EqFailure(lhs_expr, rhs_expr, lhs, rhs);
}
::testing::AssertionResult AssertPoint3FloatNear(const char* lhs_expr,
const char* rhs_expr,
const char* abs_error_expr,
const Point3F& lhs,
const Point3F& rhs,
float abs_error) {
if (FloatNear(lhs.x(), rhs.x(), abs_error) &&
FloatNear(lhs.y(), rhs.y(), abs_error) &&
FloatNear(lhs.z(), rhs.z(), abs_error)) {
return ::testing::AssertionSuccess();
}
return NearFailure(lhs_expr, rhs_expr, abs_error_expr, lhs, rhs, abs_error);
}
::testing::AssertionResult AssertVector2dFloatEqual(const char* lhs_expr,
const char* rhs_expr,
const Vector2dF& lhs,
const Vector2dF& rhs) {
if (FloatAlmostEqual(lhs.x(), rhs.x()) &&
FloatAlmostEqual(lhs.y(), rhs.y())) {
return ::testing::AssertionSuccess();
}
return EqFailure(lhs_expr, rhs_expr, lhs, rhs);
}
::testing::AssertionResult AssertVector2dFloatNear(const char* lhs_expr,
const char* rhs_expr,
const char* abs_error_expr,
const Vector2dF& lhs,
const Vector2dF& rhs,
float abs_error) {
if (FloatNear(lhs.x(), rhs.x(), abs_error) &&
FloatNear(lhs.y(), rhs.y(), abs_error)) {
return ::testing::AssertionSuccess();
}
return NearFailure(lhs_expr, rhs_expr, abs_error_expr, lhs, rhs, abs_error);
}
::testing::AssertionResult AssertVector3dFloatEqual(const char* lhs_expr,
const char* rhs_expr,
const Vector3dF& lhs,
const Vector3dF& rhs) {
if (FloatAlmostEqual(lhs.x(), rhs.x()) &&
FloatAlmostEqual(lhs.y(), rhs.y()) &&
FloatAlmostEqual(lhs.z(), rhs.z())) {
return ::testing::AssertionSuccess();
}
return EqFailure(lhs_expr, rhs_expr, lhs, rhs);
}
::testing::AssertionResult AssertVector3dFloatNear(const char* lhs_expr,
const char* rhs_expr,
const char* abs_error_expr,
const Vector3dF& lhs,
const Vector3dF& rhs,
float abs_error) {
if (FloatNear(lhs.x(), rhs.x(), abs_error) &&
FloatNear(lhs.y(), rhs.y(), abs_error) &&
FloatNear(lhs.z(), rhs.z(), abs_error)) {
return ::testing::AssertionSuccess();
}
return NearFailure(lhs_expr, rhs_expr, abs_error_expr, lhs, rhs, abs_error);
}
::testing::AssertionResult AssertRectFloatEqual(const char* lhs_expr,
const char* rhs_expr,
const RectF& lhs,
const RectF& rhs) {
if (FloatAlmostEqual(lhs.x(), rhs.x()) &&
FloatAlmostEqual(lhs.y(), rhs.y()) &&
FloatAlmostEqual(lhs.width(), rhs.width()) &&
FloatAlmostEqual(lhs.height(), rhs.height())) {
return ::testing::AssertionSuccess();
}
return EqFailure(lhs_expr, rhs_expr, lhs, rhs);
}
::testing::AssertionResult AssertRectFloatNear(const char* lhs_expr,
const char* rhs_expr,
const char* abs_error_expr,
const RectF& lhs,
const RectF& rhs,
float abs_error) {
if (FloatNear(lhs.x(), rhs.x(), abs_error) &&
FloatNear(lhs.y(), rhs.y(), abs_error) &&
FloatNear(lhs.width(), rhs.width(), abs_error) &&
FloatNear(lhs.height(), rhs.height(), abs_error)) {
return ::testing::AssertionSuccess();
}
return NearFailure(lhs_expr, rhs_expr, abs_error_expr, lhs, rhs, abs_error);
}
::testing::AssertionResult AssertSkRectFloatEqual(const char* lhs_expr,
const char* rhs_expr,
const SkRect& lhs,
const SkRect& rhs) {
if (FloatAlmostEqual(lhs.x(), rhs.x()) &&
FloatAlmostEqual(lhs.y(), rhs.y()) &&
FloatAlmostEqual(lhs.right(), rhs.right()) &&
FloatAlmostEqual(lhs.bottom(), rhs.bottom())) {
return ::testing::AssertionSuccess();
}
return EqFailure(lhs_expr, rhs_expr, SkRectToString{lhs},
SkRectToString{rhs});
}
::testing::AssertionResult AssertSizeFloatEqual(const char* lhs_expr,
const char* rhs_expr,
const SizeF& lhs,
const SizeF& rhs) {
if (FloatAlmostEqual(lhs.width(), rhs.width()) &&
FloatAlmostEqual(lhs.height(), rhs.height())) {
return ::testing::AssertionSuccess();
}
return EqFailure(lhs_expr, rhs_expr, lhs, rhs);
}
::testing::AssertionResult AssertSkSizeFloatEqual(const char* lhs_expr,
const char* rhs_expr,
const SkSize& lhs,
const SkSize& rhs) {
return AssertSizeFloatEqual(lhs_expr, rhs_expr, SkSizeToSizeF(lhs),
SkSizeToSizeF(rhs));
}
::testing::AssertionResult AssertInsetsFloatEqual(const char* lhs_expr,
const char* rhs_expr,
const InsetsF& lhs,
const InsetsF& rhs) {
if (FloatAlmostEqual(lhs.top(), rhs.top()) &&
FloatAlmostEqual(lhs.right(), rhs.right()) &&
FloatAlmostEqual(lhs.bottom(), rhs.bottom()) &&
FloatAlmostEqual(lhs.left(), rhs.left())) {
return ::testing::AssertionSuccess();
}
return EqFailure(lhs_expr, rhs_expr, lhs, rhs);
}
void PrintTo(const AxisTransform2d& transform, ::std::ostream* os) {
*os << transform.ToString();
}
void PrintTo(const BoxF& box, ::std::ostream* os) {
*os << box.ToString();
}
void PrintTo(const Point& point, ::std::ostream* os) {
*os << point.ToString();
}
void PrintTo(const Point3F& point, ::std::ostream* os) {
*os << point.ToString();
}
void PrintTo(const PointF& point, ::std::ostream* os) {
*os << point.ToString();
}
void PrintTo(const Insets& input, ::std::ostream* os) {
*os << input.ToString();
}
void PrintTo(const InsetsF& input, ::std::ostream* os) {
*os << input.ToString();
}
void PrintTo(const Outsets& input, ::std::ostream* os) {
*os << input.ToString();
}
void PrintTo(const OutsetsF& input, ::std::ostream* os) {
*os << input.ToString();
}
void PrintTo(const QuadF& quad, ::std::ostream* os) {
*os << quad.ToString();
}
void PrintTo(const Rect& rect, ::std::ostream* os) {
*os << rect.ToString();
}
void PrintTo(const RectF& rect, ::std::ostream* os) {
*os << rect.ToString();
}
void PrintTo(const Size& size, ::std::ostream* os) {
*os << size.ToString();
}
void PrintTo(const SizeF& size, ::std::ostream* os) {
*os << size.ToString();
}
void PrintTo(const Transform& transform, ::std::ostream* os) {
*os << transform.ToString();
}
void PrintTo(const Vector2d& vector, ::std::ostream* os) {
*os << vector.ToString();
}
void PrintTo(const Vector2dF& vector, ::std::ostream* os) {
*os << vector.ToString();
}
void PrintTo(const Vector3dF& vector, ::std::ostream* os) {
*os << vector.ToString();
}
void PrintTo(const MaskFilterInfo& info, ::std::ostream* os) {
*os << info.ToString();
}
void PrintTo(const SelectionBound& bound, ::std::ostream* os) {
*os << bound.ToString();
}
void PrintTo(const SkRect& rect, ::std::ostream* os) {
*os << SkRectToString{rect}.ToString();
}
void PrintTo(const DecomposedTransform& transform, ::std::ostream* os) {
*os << transform.ToString();
}
void PrintTo(const Quaternion& quaternion, ::std::ostream* os) {
*os << quaternion.ToString();
}
} // namespace gfx
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