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package ui
import "testing"
func assertSplitPoints(t *testing.T, line string, expected []Point) {
l := Line{Content: line}
l.computeSplitPoints()
if len(l.SplitPoints) != len(expected) {
t.Errorf("%q: expected %d split points got %d", line, len(expected), len(l.SplitPoints))
return
}
for i := 0; i < len(expected); i++ {
e := expected[i]
a := l.SplitPoints[i]
if e.X != a.X {
t.Errorf("%q, point #%d: expected X=%d got %d", line, i, e.X, a.X)
}
if e.I != a.I {
t.Errorf("%q, point #%d: expected I=%d got %d", line, i, e.I, a.I)
}
if e.Split != a.Split {
t.Errorf("%q, point #%d: expected Split=%t got %t", line, i, e.Split, a.Split)
}
}
}
func TestLineSplitPoints(t *testing.T) {
assertSplitPoints(t, "hello", []Point{
{X: 5, I: 5, Split: true},
})
assertSplitPoints(t, "hello world", []Point{
{X: 5, I: 5, Split: true},
{X: 6, I: 6, Split: false},
{X: 11, I: 11, Split: true},
})
assertSplitPoints(t, "lorem ipsum dolor shit amet", []Point{
{X: 5, I: 5, Split: true},
{X: 6, I: 6, Split: false},
{X: 11, I: 11, Split: true},
{X: 12, I: 12, Split: false},
{X: 17, I: 17, Split: true},
{X: 18, I: 18, Split: false},
{X: 22, I: 22, Split: true},
{X: 23, I: 23, Split: false},
{X: 27, I: 27, Split: true},
})
}
func assertRenderedHeight(t *testing.T, line string, width int, expected int) {
l := Line{Content: line}
l.computeSplitPoints()
l.Invalidate()
actual := l.RenderedHeight(width)
if actual != expected {
t.Errorf("%q with width=%d expected to take %d lines, takes %d", line, width, expected, actual)
}
}
func TestRenderedHeight(t *testing.T) {
assertRenderedHeight(t, "0123456789", 1, 10)
assertRenderedHeight(t, "0123456789", 2, 5)
assertRenderedHeight(t, "0123456789", 3, 4)
assertRenderedHeight(t, "0123456789", 4, 3)
assertRenderedHeight(t, "0123456789", 5, 2)
assertRenderedHeight(t, "0123456789", 6, 2)
assertRenderedHeight(t, "0123456789", 7, 2)
assertRenderedHeight(t, "0123456789", 8, 2)
assertRenderedHeight(t, "0123456789", 9, 2)
assertRenderedHeight(t, "0123456789", 10, 1)
assertRenderedHeight(t, "0123456789", 11, 1)
// LEN=9, WIDTH=9
assertRenderedHeight(t, "take care", 1, 8) // |t|a|k|e|c|a|r|e|
assertRenderedHeight(t, "take care", 2, 4) // |ta|ke|ca|re|
assertRenderedHeight(t, "take care", 3, 3) // |tak|e c|are|
assertRenderedHeight(t, "take care", 4, 2) // |take|care|
assertRenderedHeight(t, "take care", 5, 2) // |take |care |
assertRenderedHeight(t, "take care", 6, 2) // |take |care |
assertRenderedHeight(t, "take care", 7, 2) // |take |care |
assertRenderedHeight(t, "take care", 8, 2) // |take |care |
assertRenderedHeight(t, "take care", 9, 1) // |take care|
assertRenderedHeight(t, "take care", 10, 1) // |take care |
// LEN=10, WIDTH=10
assertRenderedHeight(t, "take care", 1, 8) // |t|a|k|e|c|a|r|e|
assertRenderedHeight(t, "take care", 2, 4) // |ta|ke|ca|re|
assertRenderedHeight(t, "take care", 3, 4) // |tak|e |car|e |
assertRenderedHeight(t, "take care", 4, 2) // |take|care|
assertRenderedHeight(t, "take care", 5, 2) // |take |care |
assertRenderedHeight(t, "take care", 6, 2) // |take |care |
assertRenderedHeight(t, "take care", 7, 2) // |take |care |
assertRenderedHeight(t, "take care", 8, 2) // |take |care |
assertRenderedHeight(t, "take care", 9, 2) // |take |care |
assertRenderedHeight(t, "take care", 10, 1) // |take care|
assertRenderedHeight(t, "take care", 11, 1) // |take care |
// LEN=16, WIDTH=16
assertRenderedHeight(t, "have a good day!", 1, 13) // |h|a|v|e|a|g|o|o|d|d|a|y|!|
assertRenderedHeight(t, "have a good day!", 2, 7) // |ha|ve|a |go|od|da|y!|
assertRenderedHeight(t, "have a good day!", 3, 5) // |hav|e a|goo|d d|ay!|
assertRenderedHeight(t, "have a good day!", 4, 4) // |have|a |good|day!|
assertRenderedHeight(t, "have a good day!", 5, 4) // |have |a |good |day! |
assertRenderedHeight(t, "have a good day!", 6, 3) // |have a|good |day! |
assertRenderedHeight(t, "have a good day!", 7, 3) // |have a |good |day! |
assertRenderedHeight(t, "have a good day!", 8, 3) // |have a |good |day! |
assertRenderedHeight(t, "have a good day!", 9, 2) // |have a |good day!|
assertRenderedHeight(t, "have a good day!", 10, 2) // |have a |good day! |
assertRenderedHeight(t, "have a good day!", 11, 2) // |have a good|day! |
assertRenderedHeight(t, "have a good day!", 12, 2) // |have a good |day! |
assertRenderedHeight(t, "have a good day!", 13, 2) // |have a good |day! |
assertRenderedHeight(t, "have a good day!", 14, 2) // |have a good |day! |
assertRenderedHeight(t, "have a good day!", 15, 2) // |have a good |day! |
assertRenderedHeight(t, "have a good day!", 16, 1) // |have a good day!|
assertRenderedHeight(t, "have a good day!", 17, 1) // |have a good day! |
}
|
