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math_test.go
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math_test.go
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package gltf_test
import (
"math"
"testing"
"github.com/go-test/deep"
"github.com/qmuntal/gltf"
)
func TestNormalize(t *testing.T) {
if got := gltf.NormalizeByte(0.0236); got != 3 {
t.Errorf("NormalizeByte = %v, want %v", got, 3)
}
if got := gltf.NormalizeUbyte(0.2); got != 51 {
t.Errorf("NormalizeUbyte = %v, want %v", got, 51)
}
if got := gltf.NormalizeShort(0.03053); got != 1000 {
t.Errorf("NormalizeShort = %v, want %v", got, 1000)
}
if got := gltf.NormalizeUshort(0.2); got != 13107 {
t.Errorf("NormalizeUshort = %v, want %v", got, 13107)
}
}
func TestDenormalize(t *testing.T) {
if got := gltf.DenormalizeByte(3); math.Abs(float64(got)-0.0236) > 1e-4 {
t.Errorf("DenormalizeByte = %v, want %v", got, 0.0236)
}
if got := gltf.DenormalizeUbyte(51); got != 0.2 {
t.Errorf("DenormalizeUbyte = %v, want %v", got, 0.2)
}
if got := gltf.DenormalizeShort(1000); math.Abs(float64(got)-0.03053) > 1e-4 {
t.Errorf("DenormalizeShort = %v, want %v", got, 0.03053)
}
if got := gltf.DenormalizeUshort(13107); got != 0.2 {
t.Errorf("DenormalizeUshort = %v, want %v", got, 0.2)
}
}
func TestNormalizeRGBA(t *testing.T) {
deep.FloatPrecision = 6
type args struct {
v [4]float32
}
tests := []struct {
name string
args args
want [4]uint8
}{
{"empty", args{[4]float32{}}, [4]uint8{}},
{"base", args{[4]float32{0.0003035, 0.0003035, 0.0003035, 0.00392156}}, [4]uint8{0, 0, 0, 0}},
{"max", args{[4]float32{1, 1, 1, 1}}, [4]uint8{255, 255, 255, 255}},
{"other", args{[4]float32{0.045186, 0.1878207, 0.4564110, 0.86274509}}, [4]uint8{59, 119, 179, 220}},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := gltf.NormalizeRGBA(tt.args.v)
if diff := deep.Equal(got, tt.want); diff != nil {
t.Errorf("NormalizeRGBA() = %v", diff)
}
})
}
}
func TestNormalizeRGB(t *testing.T) {
deep.FloatPrecision = 6
type args struct {
v [3]float32
}
tests := []struct {
name string
args args
want [3]uint8
}{
{"empty", args{[3]float32{}}, [3]uint8{}},
{"base", args{[3]float32{0.0003035, 0.0003035, 0.0003035}}, [3]uint8{0, 0, 0}},
{"max", args{[3]float32{1, 1, 1}}, [3]uint8{255, 255, 255}},
{"other", args{[3]float32{0.045186, 0.1878207, 0.4564110}}, [3]uint8{59, 119, 179}},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := gltf.NormalizeRGB(tt.args.v)
if diff := deep.Equal(got, tt.want); diff != nil {
t.Errorf("NormalizeRGB() = %v", diff)
}
})
}
}
func TestNormalizeRGBA64(t *testing.T) {
deep.FloatPrecision = 6
type args struct {
v [4]float32
}
tests := []struct {
name string
args args
want [4]uint16
}{
{"empty", args{[4]float32{}}, [4]uint16{}},
{"base", args{[4]float32{0.001181, 0.001181, 0.001181, 0.0152590}}, [4]uint16{999, 999, 999, 999}},
{"max", args{[4]float32{1, 1, 1, 1}}, [4]uint16{65535, 65535, 65535, 65535}},
{"other", args{[4]float32{0.0087617, 0.0280836, 0.061314, 0.335698}}, [4]uint16{5999, 11999, 17999, 21999}},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := gltf.NormalizeRGBA64(tt.args.v)
if diff := deep.Equal(got, tt.want); diff != nil {
t.Errorf("NormalizeRGBA64() = %v", diff)
}
})
}
}
func TestNormalizeRGB64(t *testing.T) {
deep.FloatPrecision = 6
type args struct {
v [3]float32
}
tests := []struct {
name string
args args
want [3]uint16
}{
{"empty", args{[3]float32{}}, [3]uint16{}},
{"base", args{[3]float32{0.001181, 0.001181, 0.001181}}, [3]uint16{999, 999, 999}},
{"max", args{[3]float32{1, 1, 1}}, [3]uint16{65535, 65535, 65535}},
{"other", args{[3]float32{0.0087617, 0.0280836, 0.061314}}, [3]uint16{5999, 11999, 17999}},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := gltf.NormalizeRGB64(tt.args.v)
if diff := deep.Equal(got, tt.want); diff != nil {
t.Errorf("NormalizeRGB64() = %v", diff)
}
})
}
}
func TestDenormalizeRGBA(t *testing.T) {
deep.FloatPrecision = 6
type args struct {
v [4]uint8
}
tests := []struct {
name string
args args
want [4]float32
}{
{"empty", args{[4]uint8{}}, [4]float32{}},
{"base", args{[4]uint8{1, 1, 1, 1}}, [4]float32{0.0003035, 0.0003035, 0.0003035, 0.00392156}},
{"max", args{[4]uint8{255, 255, 255, 255}}, [4]float32{1, 1, 1, 1}},
{"other", args{[4]uint8{60, 120, 180, 220}}, [4]float32{0.045186, 0.1878207, 0.4564110, 0.86274509}},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := gltf.DenormalizeRGBA(tt.args.v)
if diff := deep.Equal(got, tt.want); diff != nil {
t.Errorf("DenormalizeRGBA() = %v", diff)
}
})
}
}
func TestDenormalizeRGB(t *testing.T) {
deep.FloatPrecision = 6
type args struct {
v [3]uint8
}
tests := []struct {
name string
args args
want [3]float32
}{
{"empty", args{[3]uint8{}}, [3]float32{}},
{"base", args{[3]uint8{1, 1, 1}}, [3]float32{0.0003035, 0.0003035, 0.0003035}},
{"max", args{[3]uint8{255, 255, 255}}, [3]float32{1, 1, 1}},
{"other", args{[3]uint8{60, 120, 180}}, [3]float32{0.045186, 0.1878207, 0.4564110}},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := gltf.DenormalizeRGB(tt.args.v)
if diff := deep.Equal(got, tt.want); diff != nil {
t.Errorf("DenormalizeRGB() = %v", diff)
}
})
}
}
func TestDenormalizeRGBA64(t *testing.T) {
deep.FloatPrecision = 6
type args struct {
v [4]uint16
}
tests := []struct {
name string
args args
want [4]float32
}{
{"empty", args{[4]uint16{}}, [4]float32{}},
{"base", args{[4]uint16{1000, 1000, 1000, 1000}}, [4]float32{0.001181, 0.001181, 0.001181, 0.0152590}},
{"max", args{[4]uint16{65535, 65535, 65535, 65535}}, [4]float32{1, 1, 1, 1}},
{"other", args{[4]uint16{6000, 12000, 18000, 22000}}, [4]float32{0.0087617, 0.0280836, 0.061314, 0.335698}},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := gltf.DenormalizeRGBA64(tt.args.v)
if diff := deep.Equal(got, tt.want); diff != nil {
t.Errorf("DenormalizeRGBA64() = %v", diff)
}
})
}
}
func TestDenormalizeRGB64(t *testing.T) {
deep.FloatPrecision = 6
type args struct {
v [3]uint16
}
tests := []struct {
name string
args args
want [3]float32
}{
{"empty", args{[3]uint16{}}, [3]float32{}},
{"base", args{[3]uint16{1000, 1000, 1000}}, [3]float32{0.001181, 0.001181, 0.001181}},
{"max", args{[3]uint16{65535, 65535, 65535}}, [3]float32{1, 1, 1}},
{"other", args{[3]uint16{6000, 12000, 18000}}, [3]float32{0.0087617, 0.0280836, 0.061314}},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := gltf.DenormalizeRGB64(tt.args.v)
if diff := deep.Equal(got, tt.want); diff != nil {
t.Errorf("DenormalizeRGB64() = %v", diff)
}
})
}
}