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go-opengl-pixel
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WIP line tests

This commit is contained in:
Ben Cragg 2019-04-02 13:33:41 +01:00
parent 2478da5d12
commit 55b87ca5b1
1 changed files with 90 additions and 5 deletions
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95
geometry_test.go
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@ -1028,7 +1028,18 @@ func TestLine_IntersectCircle(t *testing.T) {
args args
want pixel.Vec
}{
// TODO: Add test cases.
{
name: "Cirle intersects",
fields: fields{A: pixel.V(0, 0), B: pixel.V(10, 10)},
args: args{c: pixel.C(pixel.V(5, 5), 1)},
want: pixel.V(1, -1),
},
{
name: "Cirle doesn't intersects",
fields: fields{A: pixel.V(0, 0), B: pixel.V(10, 10)},
args: args{c: pixel.C(pixel.V(0, 5), 1)},
want: pixel.ZV,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
@ -1057,7 +1068,36 @@ func TestLine_IntersectRect(t *testing.T) {
args args
want pixel.Vec
}{
// TODO: Add test cases.
{
name: "Line through rect vertically",
fields: fields{A: pixel.V(0, 0), B: pixel.V(0, 10)},
args: args{r: pixel.R(-1, 1, 5, 5)},
want: pixel.V(-1, 0),
},
{
name: "Line through rect horizontally",
fields: fields{A: pixel.V(-5, 0), B: pixel.V(5, 0)},
args: args{r: pixel.R(-2, -5, 2, 1)},
want: pixel.V(0, 1),
},
{
name: "Line through rect diagonally bottom and left edges",
fields: fields{A: pixel.V(0, 0), B: pixel.V(10, 10)},
args: args{r: pixel.R(0, 2, 3, 3)},
want: pixel.V(1, -1),
},
{
name: "Line through rect diagonally top and right edges",
fields: fields{A: pixel.V(10, 0), B: pixel.V(0, 10)},
args: args{r: pixel.R(5, 0, 8, 3)},
want: pixel.V(-1, -1),
},
{
name: "Line with not rect intersect",
fields: fields{A: pixel.V(0, 0), B: pixel.V(10, 10)},
args: args{r: pixel.R(20, 20, 21, 21)},
want: pixel.ZV,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
@ -1082,7 +1122,31 @@ func TestLine_Len(t *testing.T) {
fields fields
want float64
}{
// TODO: Add test cases.
{
name: "End right-up of start",
fields: fields{A: pixel.V(0, 0), B: pixel.V(3, 4)},
want: 5,
},
{
name: "End left-up of start",
fields: fields{A: pixel.V(0, 0), B: pixel.V(-3, 4)},
want: 5,
},
{
name: "End right-down of start",
fields: fields{A: pixel.V(0, 0), B: pixel.V(3, -4)},
want: 5,
},
{
name: "End left-down of start",
fields: fields{A: pixel.V(0, 0), B: pixel.V(-3, -4)},
want: 5,
},
{
name: "End same as start",
fields: fields{A: pixel.V(0, 0), B: pixel.V(0, 0)},
want: 0,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
@ -1112,7 +1176,24 @@ func TestLine_Rotated(t *testing.T) {
args args
want pixel.Line
}{
// TODO: Add test cases.
{
name: "Rotating around line center",
fields: fields{A: pixel.V(1, 1), B: pixel.V(3, 3)},
args: args{around: pixel.V(2, 2), angle: 2 * math.Pi},
want: pixel.L(pixel.V(1, 1), pixel.V(3, 3)),
},
{
name: "Rotating around x-y origin",
fields: fields{A: pixel.V(1, 1), B: pixel.V(3, 3)},
args: args{around: pixel.V(0, 0), angle: 2 * math.Pi},
want: pixel.L(pixel.V(-1, -1), pixel.V(-3, -3)),
},
{
name: "Rotating around line end",
fields: fields{A: pixel.V(1, 1), B: pixel.V(3, 3)},
args: args{around: pixel.V(1, 1), angle: 2 * math.Pi},
want: pixel.L(pixel.V(1, 1), pixel.V(-2, -2)),
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
@ -1196,7 +1277,11 @@ func TestLine_String(t *testing.T) {
fields fields
want string
}{
// TODO: Add test cases.
{
name: "Getting string",
fields: fields{A: pixel.V(0, 0), B: pixel.V(1, 1)},
want: "Line(Vec(0, 0), Vec(1, 1))",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {