Flutter Impeller
matrix_unittests.cc
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "gtest/gtest.h"
6 
8 
10 
11 namespace impeller {
12 namespace testing {
13 
14 TEST(MatrixTest, Multiply) {
15  Matrix x(0.0, 0.0, 0.0, 1.0, //
16  1.0, 0.0, 0.0, 1.0, //
17  0.0, 1.0, 0.0, 1.0, //
18  1.0, 1.0, 0.0, 1.0);
19  Matrix translate = Matrix::MakeTranslation({10, 20, 0});
20  Matrix result = translate * x;
21  EXPECT_TRUE(MatrixNear(result, Matrix(10.0, 20.0, 0.0, 1.0, //
22  11.0, 20.0, 0.0, 1.0, //
23  10.0, 21.0, 0.0, 1.0, //
24  11.0, 21.0, 0.0, 1.0)));
25 }
26 
27 } // namespace testing
28 } // namespace impeller
geometry_asserts.h
MatrixNear
inline ::testing::AssertionResult MatrixNear(impeller::Matrix a, impeller::Matrix b)
Definition: geometry_asserts.h:23
impeller::Matrix::MakeTranslation
static constexpr Matrix MakeTranslation(const Vector3 &t)
Definition: matrix.h:95
matrix.h
impeller::testing::TEST
TEST(CanvasRecorder, Save)
Definition: canvas_recorder_unittests.cc:65
impeller
Definition: aiks_blur_unittests.cc:20
impeller::Matrix
A 4x4 matrix using column-major storage.
Definition: matrix.h:37