mirror of
https://github.com/hajimehoshi/ebiten.git
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85 lines
2.2 KiB
Go
85 lines
2.2 KiB
Go
// Copyright 2013 Hajime Hoshi
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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package matrix_test
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import (
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. "."
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"testing"
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)
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func TestGeometryIdentity(t *testing.T) {
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matrix := IdentityGeometry()
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got := matrix.IsIdentity()
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want := true
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if want != got {
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t.Errorf("matrix.IsIdentity() = %t, want %t", got, want)
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}
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}
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func TestGeometryConcat(t *testing.T) {
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matrix1 := Geometry{}
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matrix2 := Geometry{}
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matrix1.Elements = [2][3]float64{
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{2, 0, 0},
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{0, 2, 0},
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}
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matrix2.Elements = [2][3]float64{
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{1, 0, 1},
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{0, 1, 1},
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}
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// TODO: 'matrix1x2' may not be a good name.
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matrix1x2 := matrix1
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matrix1x2.Concat(matrix2)
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expected := [][]float64{
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{2, 0, 1},
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{0, 2, 1},
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}
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for i := 0; i < 2; i++ {
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for j := 0; j < 3; j++ {
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got := matrix1x2.Elements[i][j]
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want := expected[i][j]
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if want != got {
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t.Errorf("matrix1x2.Element(%d, %d) = %f,"+
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" want %f",
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i, j, got, want)
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}
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}
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}
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matrix2x1 := matrix2
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matrix2x1.Concat(matrix1)
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expected = [][]float64{
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{2, 0, 2},
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{0, 2, 2},
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}
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for i := 0; i < 2; i++ {
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for j := 0; j < 3; j++ {
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got := matrix2x1.Elements[i][j]
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want := expected[i][j]
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if want != got {
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t.Errorf("matrix2x1.Element(%d, %d) = %f, want %f",
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i, j, got, want)
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}
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}
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}
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}
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