mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-13 06:27:28 +01:00
85 lines
2.2 KiB
Go
85 lines
2.2 KiB
Go
// Copyright 2013 Hajime Hoshi
|
|
//
|
|
// 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.
|
|
|
|
package matrix_test
|
|
|
|
import (
|
|
. "."
|
|
"testing"
|
|
)
|
|
|
|
func TestGeometryIdentity(t *testing.T) {
|
|
matrix := IdentityGeometry()
|
|
got := matrix.IsIdentity()
|
|
want := true
|
|
if want != got {
|
|
t.Errorf("matrix.IsIdentity() = %t, want %t", got, want)
|
|
}
|
|
}
|
|
|
|
func TestGeometryConcat(t *testing.T) {
|
|
matrix1 := Geometry{}
|
|
matrix2 := Geometry{}
|
|
matrix1.Elements = [2][3]float64{
|
|
{2, 0, 0},
|
|
{0, 2, 0},
|
|
}
|
|
matrix2.Elements = [2][3]float64{
|
|
{1, 0, 1},
|
|
{0, 1, 1},
|
|
}
|
|
|
|
// TODO: 'matrix1x2' may not be a good name.
|
|
matrix1x2 := matrix1
|
|
matrix1x2.Concat(matrix2)
|
|
expected := [][]float64{
|
|
{2, 0, 1},
|
|
{0, 2, 1},
|
|
}
|
|
for i := 0; i < 2; i++ {
|
|
for j := 0; j < 3; j++ {
|
|
got := matrix1x2.Elements[i][j]
|
|
want := expected[i][j]
|
|
if want != got {
|
|
t.Errorf("matrix1x2.Element(%d, %d) = %f,"+
|
|
" want %f",
|
|
i, j, got, want)
|
|
}
|
|
}
|
|
}
|
|
|
|
matrix2x1 := matrix2
|
|
matrix2x1.Concat(matrix1)
|
|
expected = [][]float64{
|
|
{2, 0, 2},
|
|
{0, 2, 2},
|
|
}
|
|
for i := 0; i < 2; i++ {
|
|
for j := 0; j < 3; j++ {
|
|
got := matrix2x1.Elements[i][j]
|
|
want := expected[i][j]
|
|
if want != got {
|
|
t.Errorf("matrix2x1.Element(%d, %d) = %f, want %f",
|
|
i, j, got, want)
|
|
}
|
|
}
|
|
}
|
|
}
|