mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-10 04:57:26 +01:00
116 lines
2.5 KiB
Go
116 lines
2.5 KiB
Go
// Copyright 2014 Hajime Hoshi
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ebiten_test
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import (
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. "github.com/hajimehoshi/ebiten"
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"testing"
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)
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func TestColorInit(t *testing.T) {
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var m ColorM
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for i := 0; i < ColorMDim-1; i++ {
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for j := 0; j < ColorMDim; j++ {
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got := m.Element(i, j)
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want := 0.0
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if i == j {
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want = 1
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}
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if want != got {
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t.Errorf("m.Element(%d, %d) = %f, want %f", i, j, got, want)
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}
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}
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}
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m.SetElement(0, 0, 1)
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for i := 0; i < ColorMDim-1; i++ {
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for j := 0; j < ColorMDim; j++ {
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got := m.Element(i, j)
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want := 0.0
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if i == j {
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want = 1
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}
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if want != got {
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t.Errorf("m.Element(%d, %d) = %f, want %f", i, j, got, want)
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}
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}
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}
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m.Add(m)
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for i := 0; i < ColorMDim-1; i++ {
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for j := 0; j < ColorMDim; j++ {
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got := m.Element(i, j)
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want := 0.0
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if i == j {
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want = 2
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}
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if want != got {
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t.Errorf("m.Element(%d, %d) = %f, want %f", i, j, got, want)
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}
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}
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}
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}
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func TestColorAssign(t *testing.T) {
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m := ColorM{}
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m.SetElement(0, 0, 1)
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m2 := m
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m.SetElement(0, 0, 0)
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got := m2.Element(0, 0)
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want := 1.0
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if want != got {
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t.Errorf("m2.Element(%d, %d) = %f, want %f", 0, 0, got, want)
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}
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}
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func TestColorTranslate(t *testing.T) {
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expected := [4][5]float64{
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{1, 0, 0, 0, 0.5},
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{0, 1, 0, 0, 1.5},
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{0, 0, 1, 0, 2.5},
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{0, 0, 0, 1, 3.5},
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}
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m := ColorM{}
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m.Translate(0.5, 1.5, 2.5, 3.5)
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for i := 0; i < 4; i++ {
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for j := 0; j < 5; j++ {
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got := m.Element(i, j)
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want := expected[i][j]
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if want != got {
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t.Errorf("m.Element(%d, %d) = %f, want %f", i, j, got, want)
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}
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}
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}
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}
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func TestColorMonochrome(t *testing.T) {
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expected := [4][5]float64{
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{0.2990, 0.5870, 0.1140, 0, 0},
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{0.2990, 0.5870, 0.1140, 0, 0},
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{0.2990, 0.5870, 0.1140, 0, 0},
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{0, 0, 0, 1, 0},
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}
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m := Monochrome()
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for i := 0; i < 4; i++ {
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for j := 0; j < 5; j++ {
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got := m.Element(i, j)
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want := expected[i][j]
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if want != got {
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t.Errorf("m.Element(%d, %d) = %f, want %f", i, j, got, want)
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}
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}
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}
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}
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