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package tui
import "testing"
func TestEdgeSymmetric(t *testing.T) {
type tc struct {
v, h int
want Edges
}
tests := map[string]tc{
"vertical and horizontal differ": {
v: 2,
h: 5,
want: Edges{Top: 2, Right: 5, Bottom: 2, Left: 5},
},
"equal values": {
v: 3,
h: 3,
want: Edges{Top: 3, Right: 3, Bottom: 3, Left: 3},
},
"zero values": {
v: 0,
h: 0,
want: Edges{},
},
"vertical only": {
v: 4,
h: 0,
want: Edges{Top: 4, Bottom: 4},
},
"negative values": {
v: -1,
h: -2,
want: Edges{Top: -1, Right: -2, Bottom: -1, Left: -2},
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
got := EdgeSymmetric(tt.v, tt.h)
if got != tt.want {
t.Errorf("EdgeSymmetric(%d, %d) = %+v, want %+v", tt.v, tt.h, got, tt.want)
}
})
}
}
func TestInsetRect(t *testing.T) {
type tc struct {
r Rect
top, right, bottom, left int
want Rect
}
tests := map[string]tc{
"uniform inset": {
r: NewRect(0, 0, 10, 10),
top: 1, right: 1, bottom: 1, left: 1,
want: NewRect(1, 1, 8, 8),
},
"asymmetric inset": {
r: NewRect(5, 5, 20, 10),
top: 1, right: 2, bottom: 3, left: 4,
want: NewRect(9, 6, 14, 6),
},
"zero inset returns original": {
r: NewRect(2, 3, 7, 8),
top: 0, right: 0, bottom: 0, left: 0,
want: NewRect(2, 3, 7, 8),
},
"negative inset expands": {
r: NewRect(5, 5, 10, 10),
top: -1, right: -2, bottom: -3, left: -4,
want: NewRect(1, 4, 16, 14),
},
"inset larger than rect goes negative": {
r: NewRect(0, 0, 4, 4),
top: 3, right: 3, bottom: 3, left: 3,
want: NewRect(3, 3, -2, -2),
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
got := InsetRect(tt.r, tt.top, tt.right, tt.bottom, tt.left)
if got != tt.want {
t.Errorf("InsetRect(%+v, %d, %d, %d, %d) = %+v, want %+v",
tt.r, tt.top, tt.right, tt.bottom, tt.left, got, tt.want)
}
})
}
}
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