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go-opengl-pixel
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wip adding line tests

This commit is contained in:
Ben Cragg 2019-04-01 16:01:08 +01:00
parent 1a275b5929
commit cca37c750e
1 changed files with 68 additions and 5 deletions
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73
geometry_test.go
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@ -769,7 +769,16 @@ func TestLine_Bounds(t *testing.T) {
fields fields
want pixel.Rect
}{
// TODO: Add test cases.
{
name: "Positive slope",
fields: fields{A: pixel.V(0, 0), B: pixel.V(10, 10)},
want: pixel.R(0, 0, 10, 10),
},
{
name: "Negative slope",
fields: fields{A: pixel.V(10, 10), B: pixel.V(0, 0)},
want: pixel.R(0, 0, 10, 10),
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
@ -794,7 +803,16 @@ func TestLine_Center(t *testing.T) {
fields fields
want pixel.Vec
}{
// TODO: Add test cases.
{
name: "Positive slope",
fields: fields{A: pixel.V(0, 0), B: pixel.V(10, 10)},
want: pixel.V(5, 5),
},
{
name: "Negative slope",
fields: fields{A: pixel.V(10, 10), B: pixel.V(0, 0)},
want: pixel.V(5, 5),
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
@ -823,7 +841,24 @@ func TestLine_Closest(t *testing.T) {
args args
want pixel.Vec
}{
// TODO: Add test cases.
{
name: "Point on line",
fields: fields{A: pixel.V(0, 0), B: pixel.V(10, 10)},
args: args{v: pixel.V(5, 5)},
want: pixel.V(5, 5),
},
{
name: "Point on next to line",
fields: fields{A: pixel.V(0, 0), B: pixel.V(10, 10)},
args: args{v: pixel.V(0, 10)},
want: pixel.V(5, 5),
},
{
name: "Point on inline with line",
fields: fields{A: pixel.V(0, 0), B: pixel.V(10, 10)},
args: args{v: pixel.V(20, 20)},
want: pixel.V(10, 10),
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
@ -852,7 +887,18 @@ func TestLine_Contains(t *testing.T) {
args args
want bool
}{
// TODO: Add test cases.
{
name: "Point on line",
fields: fields{A: pixel.V(0, 0), B: pixel.V(10, 10)},
args: args{v: pixel.V(5, 5)},
want: true,
},
{
name: "Point not on line",
fields: fields{A: pixel.V(0, 0), B: pixel.V(10, 10)},
args: args{v: pixel.V(0, 10)},
want: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
@ -878,7 +924,24 @@ func TestLine_Formula(t *testing.T) {
wantM float64
wantB float64
}{
// TODO: Add test cases.
{
name: "Getting formula - 45 degs",
fields: fields{A: pixel.V(0, 0), B: pixel.V(10, 10)},
wantM: 1,
wantB: 0,
},
{
name: "Getting formula - 90 degs",
fields: fields{A: pixel.V(0, 0), B: pixel.V(0, 10)},
wantM: math.Inf(1),
wantB: math.NaN(),
},
{
name: "Getting formula - 0 degs",
fields: fields{A: pixel.V(0, 0), B: pixel.V(10, 0)},
wantM: 0,
wantB: 0,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {