Fix #23 by implementing Block.InnerBounds() and associated test.

This commit is contained in:
Michael Alexander 2015-04-09 10:19:43 +08:00
parent 7be8d021fd
commit 27b93c6457
2 changed files with 53 additions and 0 deletions

View File

@ -68,6 +68,13 @@ func (d *Block) align() {
} }
// InnerBounds returns the internal bounds of the block after aligning and
// calculating the padding and border, if any.
func (d *Block) InnerBounds() (x, y, width, height int) {
d.align()
return d.innerX, d.innerY, d.innerWidth, d.innerHeight
}
// Buffer implements Bufferer interface. // Buffer implements Bufferer interface.
// Draw background and border (if any). // Draw background and border (if any).
func (d *Block) Buffer() []Point { func (d *Block) Buffer() []Point {

46
block_test.go Normal file
View File

@ -0,0 +1,46 @@
package termui
import "testing"
func TestBlock_InnerBounds(t *testing.T) {
b := NewBlock()
b.X = 10
b.Y = 11
b.Width = 12
b.Height = 13
assert := func(name string, x, y, w, h int) {
t.Log(name)
cx, cy, cw, ch := b.InnerBounds()
if cx != x {
t.Errorf("expected x to be %d but got %d", x, cx)
}
if cy != y {
t.Errorf("expected y to be %d but got %d", y, cy)
}
if cw != w {
t.Errorf("expected width to be %d but got %d", w, cw)
}
if ch != h {
t.Errorf("expected height to be %d but got %d", h, ch)
}
}
b.HasBorder = false
assert("no border, no padding", 10, 11, 12, 13)
b.HasBorder = true
assert("border, no padding", 11, 12, 10, 11)
b.PaddingBottom = 2
assert("border, 2b padding", 11, 12, 10, 9)
b.PaddingTop = 3
assert("border, 2b 3t padding", 11, 15, 10, 6)
b.PaddingLeft = 4
assert("border, 2b 3t 4l padding", 15, 15, 6, 6)
b.PaddingRight = 5
assert("border, 2b 3t 4l 5r padding", 15, 15, 1, 6)
}