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package tcellterm
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestResize(t *testing.T) {
vt := New()
w := 4
h := 1
vt.Resize(w, h)
assert.Equal(t, h, len(vt.activeScreen))
assert.Equal(t, w, len(vt.activeScreen[0]))
}
func TestString(t *testing.T) {
vt := New()
w := 2
h := 1
vt.Resize(w, h)
assert.Equal(t, " ", vt.String())
vt.activeScreen[0][0].content = 'v'
vt.activeScreen[0][1].content = 't'
assert.Equal(t, "vt", vt.String())
}
func TestPrint(t *testing.T) {
t.Run("No modes", func(t *testing.T) {
vt := New()
vt.mode = 0
w := 2
h := 1
vt.Resize(w, h)
vt.print('v')
vt.print('t')
assert.Equal(t, "vt", vt.String())
assert.Equal(t, column(1), vt.cursor.col)
vt.print('x')
assert.Equal(t, "vx", vt.String())
})
t.Run("IRM = set", func(t *testing.T) {
vt := New()
w := 4
h := 1
vt.Resize(w, h)
vt.print('v')
vt.print('t')
vt.bs()
vt.bs()
assert.Equal(t, column(0), vt.cursor.col)
assert.Equal(t, "vt ", vt.String())
vt.mode |= irm
vt.print('i')
assert.Equal(t, "ivt ", vt.String())
vt.print('j')
vt.print('k')
assert.Equal(t, "ijkv", vt.String())
})
t.Run("DECAWM = set", func(t *testing.T) {
vt := New()
w := 3
h := 2
vt.Resize(w, h)
vt.mode |= decawm
vt.print('v')
vt.print('t')
assert.Equal(t, "vt \n ", vt.String())
vt.print('i')
assert.Equal(t, "vti\n ", vt.String())
vt.print('j')
assert.Equal(t, "vti\nj ", vt.String())
})
t.Run("Wide character", func(t *testing.T) {
vt := New()
w := 1
h := 1
vt.Resize(w, h)
vt.print('つ')
assert.Equal(t, "つ", vt.String())
})
}
func TestScrollUp(t *testing.T) {
vt := New()
vt.mode = 0
w := 2
h := 2
vt.Resize(w, h)
vt.print('v')
vt.print('t')
assert.Equal(t, "vt\n ", vt.String())
vt.scrollUp(1)
assert.Equal(t, " \n ", vt.String())
vt = New()
w = 1
h = 8
vt.Resize(w, h)
vt.cursor.row = 4
vt.print('v')
vt.lastCol = false
vt.cursor.row = 7
vt.print('t')
vt.margin.bottom = 5
assert.Equal(t, " \n \n \n \nv\n \n \nt", vt.String())
vt.scrollUp(1)
assert.Equal(t, " \n \n \nv\n \n \n \nt", vt.String())
}
func TestScrollDown(t *testing.T) {
vt := New()
w := 2
h := 2
vt.Resize(w, h)
vt.print('v')
vt.print('t')
assert.Equal(t, "vt\n ", vt.String())
vt.scrollDown(1)
assert.Equal(t, " \nvt", vt.String())
vt.lastCol = false
vt.print('b')
assert.Equal(t, " b\nvt", vt.String())
vt.scrollDown(1)
assert.Equal(t, " \n b", vt.String())
}
func TestCombiningRunes(t *testing.T) {
vt := New()
vt.Resize(2, 2)
vt.print('h')
vt.print(0x337)
vt.print(0x317)
assert.Equal(t, "h̷̗ \n ", vt.String())
}
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