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//go:build test
package viewport
import (
"github.com/stretchr/testify/assert"
"strings"
"testing"
)
func TestCrop(t *testing.T) {
input := `0000
AAAA
` + Caret + `BBB
CCC`
expected := `AAAA
` + Caret + `BBB`
result, _, _ := Crop(input, strings.Split(input, "\n"), 2)
assert.Equal(t, expected, result)
}
func TestCrop_Under(t *testing.T) {
input := `0000
AAAA
` + Caret + `BBB`
expected := `AAAA
` + Caret + `BBB`
result, _, _ := Crop(input, strings.Split(input, "\n"), 2)
assert.Equal(t, expected, result)
}
func TestCrop_Unnecessary(t *testing.T) {
input := `AAAA
` + Caret + `BBB
CCC
DDDD`
expected := input
result, _, _ := Crop(input, strings.Split(input, "\n"), 8)
assert.Equal(t, expected, result)
}
func TestNeedsViewport(t *testing.T) {
amount := 3
input := strings.Repeat("\n", amount)
output := NeedsViewport(input, 4)
assert.Equal(t, false, output)
}
func TestNeedsViewport_Negative(t *testing.T) {
amount := 8
input := strings.Repeat("\n", amount)
output := NeedsViewport(input, 4)
assert.Equal(t, true, output)
}
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