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package internal
import (
"testing"
"github.com/walles/moor/v2/twin"
"gotest.tools/v3/assert"
)
func TestInsertAndBackspace(t *testing.T) {
screen := twin.NewFakeScreen(40, 2)
b := &InputBox{accept: INPUTBOX_ACCEPT_ALL}
assert.Assert(t, b.handleRune('a'))
assert.Assert(t, b.handleRune('b'))
assert.Assert(t, b.handleRune('c'))
assert.Equal(t, "abc", b.text)
// Backspace
b.backspace()
assert.Equal(t, "ab", b.text)
// Draw and inspect status line
b.draw(screen, "", "P: ")
row := rowToString(screen.GetRow(1))
assert.Equal(t, "P: ab", row)
}
func TestCursorMovementAndInsertDelete(t *testing.T) {
screen := twin.NewFakeScreen(80, 2)
b := &InputBox{accept: INPUTBOX_ACCEPT_ALL}
b.handleRune('a')
b.handleRune('b')
b.handleRune('c')
assert.Equal(t, "abc", b.text)
// Move left twice, insert 'X' between a and b
b.moveCursorLeft()
b.moveCursorLeft()
assert.Assert(t, b.handleRune('X'))
assert.Equal(t, "aXbc", b.text)
// Delete at cursor (cursor is after X)
b.delete()
assert.Equal(t, "aXc", b.text)
// Move home and insert
b.moveCursorHome()
assert.Assert(t, b.handleRune('S'))
assert.Equal(t, "SaXc", b.text)
// Move end and append
b.moveCursorEnd()
assert.Assert(t, b.handleRune('E'))
assert.Equal(t, "SaXcE", b.text)
b.draw(screen, "", "G: ")
row := rowToString(screen.GetRow(1))
assert.Equal(t, "G: SaXcE", row)
}
func TestAcceptPositiveNumbers(t *testing.T) {
b := &InputBox{accept: INPUTBOX_ACCEPT_POSITIVE_NUMBERS}
assert.Assert(t, b.handleRune('1'))
assert.Assert(t, !b.handleRune('a'))
assert.Assert(t, b.handleRune('2'))
assert.Equal(t, "12", b.text)
}
func TestUnicodeRunes(t *testing.T) {
screen := twin.NewFakeScreen(80, 2)
b := &InputBox{accept: INPUTBOX_ACCEPT_ALL}
// Insert a CJK char and an emoji
assert.Assert(t, b.handleRune('午'))
assert.Assert(t, b.handleRune('🧐'))
assert.Equal(t, "午🧐", b.text)
// Backspace should remove the emoji
b.backspace()
assert.Equal(t, "午", b.text)
// Insert another wide char at start
b.moveCursorHome()
assert.Assert(t, b.handleRune('你'))
assert.Equal(t, "你午", b.text)
b.draw(screen, "", "U: ")
row := rowToString(screen.GetRow(1))
// We expect prompt + two runes
assert.Equal(t, "U: 你午", row)
}
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