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go-opengl-pixel
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WIP line tests

This commit is contained in:
Ben Cragg 2019-04-02 13:46:50 +01:00
parent 55b87ca5b1
commit c7eac06499
1 changed files with 48 additions and 2 deletions
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50
geometry_test.go
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@ -1222,7 +1222,30 @@ func TestLine_Scaled(t *testing.T) {
args args args args
want pixel.Line want pixel.Line
}{ }{
// TODO: Add test cases. {
name: "Scaling by 1",
fields: fields{A: pixel.V(0, 0), B: pixel.V(10, 10)},
args: args{scale: 1},
want: pixel.L(pixel.V(0, 0), pixel.V(10, 10)),
},
{
name: "Scaling by >1",
fields: fields{A: pixel.V(0, 0), B: pixel.V(10, 10)},
args: args{scale: 2},
want: pixel.L(pixel.V(-5, -5), pixel.V(15, 15)),
},
{
name: "Scaling by <1",
fields: fields{A: pixel.V(0, 0), B: pixel.V(10, 10)},
args: args{scale: 0.5},
want: pixel.L(pixel.V(2.5, 2.5), pixel.V(7.5, 7.5)),
},
{
name: "Scaling by -1",
fields: fields{A: pixel.V(0, 0), B: pixel.V(10, 10)},
args: args{scale: -1},
want: pixel.L(pixel.V(10, 10), pixel.V(0, 0)),
},
} }
for _, tt := range tests { for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) { t.Run(tt.name, func(t *testing.T) {
@ -1252,7 +1275,30 @@ func TestLine_ScaledXY(t *testing.T) {
args args args args
want pixel.Line want pixel.Line
}{ }{
// TODO: Add test cases. {
name: "Scaling by 1 around origin",
fields: fields{A: pixel.V(0, 0), B: pixel.V(10, 10)},
args: args{around: pixel.ZV, scale: 1},
want: pixel.L(pixel.V(0, 0), pixel.V(10, 10)),
},
{
name: "Scaling by >1 around origin",
fields: fields{A: pixel.V(0, 0), B: pixel.V(10, 10)},
args: args{around: pixel.ZV, scale: 2},
want: pixel.L(pixel.V(0, 0), pixel.V(20, 20)),
},
{
name: "Scaling by <1 around origin",
fields: fields{A: pixel.V(0, 0), B: pixel.V(10, 10)},
args: args{around: pixel.ZV, scale: 0.5},
want: pixel.L(pixel.V(0, 0), pixel.V(5, 5)),
},
{
name: "Scaling by -1 around origin",
fields: fields{A: pixel.V(0, 0), B: pixel.V(10, 10)},
args: args{around: pixel.ZV, scale: -1},
want: pixel.L(pixel.V(0, 0), pixel.V(-10, -10)),
},
} }
for _, tt := range tests { for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) { t.Run(tt.name, func(t *testing.T) {