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/*
* Copyright 2009, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "tests/common/win/testing_common.h"
#include "core/cross/math_utilities.h"
#include "core/cross/object_manager.h"
#include "core/cross/pack.h"
#include "core/cross/matrix4_scale.h"
#include "core/cross/service_dependency.h"
namespace o3d {
class Matrix4ScaleTest : public testing::Test {
protected:
Matrix4ScaleTest()
: object_manager_(g_service_locator),
pack_(NULL),
scale_(NULL) {
}
virtual void SetUp() {
pack_ = object_manager_->CreatePack();
scale_ = pack_->Create<Matrix4Scale>();
}
virtual void TearDown() {
pack_->Destroy();
}
protected:
ServiceDependency<ObjectManager> object_manager_;
Pack* pack_;
Matrix4Scale* scale_;
};
TEST_F(Matrix4ScaleTest, OutputsInputScaleAsMatrixIfNoParent) {
scale_->set_scale(Float3(1, 2, 3));
Matrix4 output_matrix = scale_->output_matrix();
Matrix4 expected(Vector4(1, 0, 0, 0), Vector4(0, 2, 0, 0),
Vector4(0, 0, 3, 0), Vector4(0, 0, 0, 1));
ASSERT_NEAR(0.0f, FrobeniusNorm(expected - output_matrix), 0.001f);
}
TEST_F(Matrix4ScaleTest, ComposesInputScaleWithParentMatrix) {
scale_->set_scale(Float3(1, 2, 3));
Matrix4 parent = Matrix4::scale(Vector3(3, 4, 5));
scale_->set_input_matrix(parent);
Matrix4 output_matrix = scale_->output_matrix();
Matrix4 expected = Matrix4::scale(Vector3(3, 8, 15));
ASSERT_NEAR(0.0f, FrobeniusNorm(expected - output_matrix), 0.001f);
}
} // namespace o3d
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