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Mat2 tests

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bloeys
2021-11-05 07:22:57 +04:00
parent 5980c50ced
commit 62a2e4d7aa
1 changed files with 122 additions and 1 deletions
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123
gglm/mat2_test.go
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@ -6,8 +6,130 @@ import (
"github.com/bloeys/gglm/gglm"
)
func TestMat2GetSet(t *testing.T) {
m1 := gglm.Mat2{}
m1.Set(0, 1, -10)
m1.Set(1, 0, 55)
if m1.Get(0, 1) != -10 {
t.Errorf("Got: %v; Expected: %v", m1.Get(0, 1), -10)
}
if m1.Get(1, 0) != 55 {
t.Errorf("Got: %v; Expected: %v", m1.Get(1, 0), 55)
}
}
func TestMat2Id(t *testing.T) {
correctAns := gglm.Mat2{
Data: [4]float32{
1, 0,
0, 1,
}}
m1 := gglm.NewMat2Id()
if !m1.Eq(&correctAns) {
t.Errorf("Got: %v; Expected: %v", m1.String(), correctAns.String())
}
}
func TestSubMat2(t *testing.T) {
correctAns := gglm.Mat2{
Data: [4]float32{
-4, -4,
-4, -4,
}}
m1 := &gglm.Mat2{
Data: [4]float32{
1, 2,
3, 4,
}}
m2 := &gglm.Mat2{Data: [4]float32{
5, 6,
7, 8,
}}
result := gglm.SubMat2(m1, m2)
m1.Sub(m2)
if !result.Eq(&correctAns) {
t.Errorf("Got: %v; Expected: %v", result.String(), correctAns.String())
}
if !m1.Eq(&correctAns) {
t.Errorf("Got: %v; Expected: %v", m1.String(), correctAns.String())
}
}
func TestAddMat2(t *testing.T) {
correctAns := gglm.Mat2{
Data: [4]float32{
6, 8,
10, 12,
}}
m1 := &gglm.Mat2{
Data: [4]float32{
1, 2,
3, 4,
}}
m2 := &gglm.Mat2{Data: [4]float32{
5, 6,
7, 8,
}}
result := gglm.AddMat2(m1, m2)
m1.Add(m2)
if !result.Eq(&correctAns) {
t.Errorf("Got: %v; Expected: %v", result.String(), correctAns.String())
}
if !m1.Eq(&correctAns) {
t.Errorf("Got: %v; Expected: %v", m1.String(), correctAns.String())
}
}
func TestMulMat2(t *testing.T) {
correctAns := gglm.Mat2{
Data: [4]float32{
19, 22,
43, 50,
}}
m1 := &gglm.Mat2{
Data: [4]float32{
1, 2,
3, 4,
}}
m2 := &gglm.Mat2{Data: [4]float32{
5, 6,
7, 8,
}}
result := gglm.MulMat2(m1, m2)
m1.Mul(m2)
if !result.Eq(&correctAns) {
t.Errorf("Got: %v; Expected: %v", result.String(), correctAns.String())
}
if !m1.Eq(&correctAns) {
t.Errorf("Got: %v; Expected: %v", m1.String(), correctAns.String())
}
}
func TestMulMat2Vec2(t *testing.T) {
correctAns := gglm.Vec2{Data: [2]float32{5, 11}}
m := &gglm.Mat2{
Data: [4]float32{
1, 2,
@ -16,7 +138,6 @@ func TestMulMat2Vec2(t *testing.T) {
v := &gglm.Vec2{Data: [2]float32{1, 2}}
result := gglm.MulMat2Vec2(m, v)
correctAns := gglm.Vec2{Data: [2]float32{5, 11}}
if !result.Eq(&correctAns) {
t.Errorf("Got: %v; Expected: %v", result.String(), correctAns.String())