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textbox_controller_test.go
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textbox_controller_test.go
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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package gxui
import (
"fmt"
test "github.com/nelsam/gxui/testing"
"testing"
)
func parseTBC(markup string) *TextBoxController {
tbc := CreateTextBoxController()
tbc.selections = TextSelectionList{}
runes := make([]rune, 0, 32)
sel := TextSelection{}
for _, c := range markup {
i := len(runes)
switch c {
case '|':
tbc.AddCaret(i)
case '{':
sel.start = i
sel.caretAtStart = false
case '[':
sel.start = i
sel.caretAtStart = true
case ']':
sel.end = i
if sel.CaretAtStart() {
panic("Carat should be at end")
}
tbc.AddSelection(sel)
case '}':
sel.end = i
if !sel.CaretAtStart() {
panic("Carat should be at start")
}
tbc.AddSelection(sel)
default:
runes = append(runes, c)
}
}
tbc.SetTextRunes(runes)
return tbc
}
func assertTBCTextAndSelectionsEqual(t *testing.T, markup string, c *TextBoxController) {
expected := parseTBC(markup)
test.AssertEquals(t, expected.Text(), c.Text())
test.AssertEquals(t, expected.selections, c.selections)
}
func TestTBCLineIndent(t *testing.T) {
c := parseTBC(" ÀÁ\n BB\nĆ\n D\n EE")
test.AssertEquals(t, 2, c.LineIndent(0))
test.AssertEquals(t, 4, c.LineIndent(1))
test.AssertEquals(t, 0, c.LineIndent(2))
test.AssertEquals(t, 6, c.LineIndent(3))
test.AssertEquals(t, 3, c.LineIndent(4))
}
func TestParseTBCCarets(t *testing.T) {
c := parseTBC("he|llo\n|wor|ld")
test.AssertEquals(t, "hello\nworld", c.Text())
test.AssertEquals(t, 2, c.LineCount())
test.AssertEquals(t, 3, c.SelectionCount())
test.AssertEquals(t, 2, c.Caret(0))
test.AssertEquals(t, 6, c.Caret(1))
test.AssertEquals(t, 9, c.Caret(2))
}
func TestParseTBCSelections(t *testing.T) {
c := parseTBC("he[llo}\n|wor{ld]")
test.AssertEquals(t, "hello\nworld", c.Text())
test.AssertEquals(t, 2, c.LineCount())
test.AssertEquals(t, 3, c.SelectionCount())
test.AssertEquals(t, CreateTextSelection(2, 5, true), c.Selection(0))
test.AssertEquals(t, CreateTextSelection(6, 6, false), c.Selection(1))
test.AssertEquals(t, CreateTextSelection(9, 11, false), c.Selection(2))
}
func TestTBCWordAt(t *testing.T) {
check := func(str, expected string) {
c := parseTBC(str)
s, e := c.WordAt(c.FirstCaret())
c.SetSelection(CreateTextSelection(s, e, false))
assertTBCTextAndSelectionsEqual(t, expected, c)
}
check("abc.dE|f()", "abc.{dEf]()")
check("dE|f10()", "{dEf10]()")
check("hello_|world.foo", "{hello_world].foo")
}
func TestTBCReplaceAll(t *testing.T) {
c := parseTBC("ħę|ľĺő\n|ŵōř|ŀď")
c.ReplaceAll("_")
assertTBCTextAndSelectionsEqual(t, "ħę{_]ľĺő\n{_]ŵōř{_]ŀď", c)
c.Deselect(false)
assertTBCTextAndSelectionsEqual(t, "ħę_|ľĺő\n_|ŵōř_|ŀď", c)
c.ReplaceAll("¶§")
assertTBCTextAndSelectionsEqual(t, "ħę_{¶§]ľĺő\n_{¶§]ŵōř_{¶§]ŀď", c)
c.Deselect(false)
assertTBCTextAndSelectionsEqual(t, "ħę_¶§|ľĺő\n_¶§|ŵōř_¶§|ŀď", c)
}
func TestTBCReplace(t *testing.T) {
c := parseTBC("ħę|ľĺő\n|ŵōř|ŀď")
c.Replace(func(s TextSelection) string {
return fmt.Sprintf("%d", s.start)
})
assertTBCTextAndSelectionsEqual(t, "ħę{2]ľĺő\n{6]ŵōř{9]ŀď", c)
}
func TestTBCReplaceWithNewline(t *testing.T) {
c := parseTBC(" XX|\n YY|YY\n ZZZ|")
c.ReplaceWithNewline()
assertTBCTextAndSelectionsEqual(t, " XX\n|\n YY\n|YY\n ZZZ\n|", c)
}
func ReplaceWithNewlineKeepIndent(t *testing.T) {
c := parseTBC(" XX|\n YY|YY\n ZZZ|")
c.ReplaceWithNewline()
assertTBCTextAndSelectionsEqual(t, " XX\n |\n YY\n |YY\n ZZZ\n |", c)
}
func TestTBCReplaceSelection(t *testing.T) {
c := parseTBC("ħ{ęľ]ĺő\nę[ľĺ}\n|\n{ŵōřŀď]")
c.ReplaceAll("ŵōřŀď")
assertTBCTextAndSelectionsEqual(t, "ħ{ŵōřŀď]ĺő\nę[ŵōřŀď}\n{ŵōřŀď]\n{ŵōřŀď]", c)
}
func TestTBCBackspaceMulti(t *testing.T) {
c := parseTBC("ħęľ|ĺő\nŵōř|ŀď")
c.Backspace()
assertTBCTextAndSelectionsEqual(t, "ħę|ĺő\nŵō|ŀď", c)
c.Backspace()
assertTBCTextAndSelectionsEqual(t, "ħ|ĺő\nŵ|ŀď", c)
}
func TestTBCBackspaceCaretOverlap(t *testing.T) {
c := parseTBC("ħęľ|ĺ|ő\nŵōřŀď")
c.Backspace()
assertTBCTextAndSelectionsEqual(t, "ħę|ő\nŵōřŀď", c)
c.Backspace()
assertTBCTextAndSelectionsEqual(t, "ħ|ő\nŵōřŀď", c)
}
func TestTBCBackspaceAtStart(t *testing.T) {
c := parseTBC("|ħęľĺő\n|ŵōřŀď")
c.Backspace()
assertTBCTextAndSelectionsEqual(t, "|ħęľĺő|ŵōřŀď", c)
}
func TestTBCBackspaceSelection(t *testing.T) {
c := parseTBC("ħ[ęľ}ĺ{ő]\n[ŵ}{ō]řŀď|")
c.Backspace()
assertTBCTextAndSelectionsEqual(t, "ħ|ĺ|\n|řŀ|", c)
}
func TestTBCDeleteAtEnd(t *testing.T) {
c := parseTBC("ħęľĺő|\nŵōřŀď|")
c.Delete()
assertTBCTextAndSelectionsEqual(t, "ħęľĺő|ŵōřŀď|", c)
}
func TestTBCDeleteSelection(t *testing.T) {
c := parseTBC("ħ[ęľ}ĺ{ő]\n[ŵ}{ō]řŀď|")
c.Delete()
assertTBCTextAndSelectionsEqual(t, "ħ|ĺ|\n|řŀď|", c)
}
func TestTBCAddCaretsUp(t *testing.T) {
c := parseTBC("ÀÁAA|\nBBB|\nĆ|\nDDD|")
c.AddCaretsUp()
assertTBCTextAndSelectionsEqual(t, "|ÀÁA|A|\nB|BB|\nĆ|\nDDD|", c)
}
func TestTBCAddCaretsDown(t *testing.T) {
c := parseTBC("ÀÁAA|\nBBB|\nĆ|\nDDD|")
c.AddCaretsDown()
assertTBCTextAndSelectionsEqual(t, "ÀÁAA|\nBBB|\nĆ|\nD|DD|", c)
}
func TestTBCMoveUp(t *testing.T) {
c := parseTBC("ÀÁAA|\nBBB|\nĆ|\nDDD|")
c.MoveUp()
assertTBCTextAndSelectionsEqual(t, "|ÀÁA|A\nB|BB\nĆ|\nDDD", c)
}
func TestTBCMoveDown(t *testing.T) {
c := parseTBC("ÀÁAA|\nBBB|\nĆ|\nDDD|")
c.MoveDown()
assertTBCTextAndSelectionsEqual(t, "ÀÁAA\nBBB|\nĆ|\nD|DD|", c)
}
func TestTBCMoveLeft(t *testing.T) {
c := parseTBC("ÀÁAA|\nBBB|\nĆ|\nDDD|")
c.MoveLeft()
assertTBCTextAndSelectionsEqual(t, "ÀÁA|A\nBB|B\n|Ć\nDD|D", c)
}
func TestTBCMoveRight(t *testing.T) {
c := parseTBC("ÀÁAA|\nBBB|\nĆ|\nDDD|")
c.MoveRight()
assertTBCTextAndSelectionsEqual(t, "ÀÁAA\n|BBB\n|Ć\n|DDD|", c)
}
func TestTBCSelectUp(t *testing.T) {
c := parseTBC("ÀÁAA|\nBBB|\nĆ|\nDDD|")
c.SelectUp()
assertTBCTextAndSelectionsEqual(t, "[ÀÁAA\nBBB\nĆ}[\nDDD}", c)
}
func TestTBCSelectDown(t *testing.T) {
c := parseTBC("ÀÁAA|\nBBB|\nĆ|\nDDD|")
c.SelectDown()
assertTBCTextAndSelectionsEqual(t, "ÀÁAA{\nBBB]{\nĆ]{\nD]DD|", c)
}
func TestTBCSelectLeft(t *testing.T) {
c := parseTBC("ÀÁAA|\nBBB|\nĆ|\nDDD|")
c.SelectLeft()
assertTBCTextAndSelectionsEqual(t, "ÀÁA[A}\nBB[B}\n[Ć}\nDD[D}", c)
}
func TestTBCSelectRight(t *testing.T) {
c := parseTBC("ÀÁAA|\nBBB|\nĆ|\nDDD|")
c.SelectRight()
assertTBCTextAndSelectionsEqual(t, "ÀÁAA{\n]BBB{\n]Ć{\n]DDD|", c)
}
func TestTBCSelectToWordLeft(t *testing.T) {
c := parseTBC("ÀÁ|AA\nBB B|B BB\nf|oo() Ć|\n|DDD")
c.SelectLeftByWord()
assertTBCTextAndSelectionsEqual(t, "[ÀÁ}AA\nBB [B}B BB\n[f}oo() [Ć}[\n}DDD", c)
}
func TestTBCSelectToWordRight(t *testing.T) {
c := parseTBC("ÀÁ|AA\nBB B|B BB\nf|oo() Ć|\n|DDD")
c.SelectRightByWord()
assertTBCTextAndSelectionsEqual(t, "ÀÁ{AA]\nBB B{B] BB\nf{oo]() Ć{\n]{DDD]", c)
}
func TestTBCSelectHome(t *testing.T) {
c := parseTBC("ÀÁ|AA\n BB|B\nĆ|\n |DDD\n | EE")
c.SelectHome()
assertTBCTextAndSelectionsEqual(t, "[ÀÁ}AA\n [BB}B\n[Ć}\n[ }DDD\n[ } EE", c)
}
func TestTBCSelectEnd(t *testing.T) {
c := parseTBC("ÀÁ|AA\nBB|B\nĆ|\nD|DD")
c.SelectEnd()
assertTBCTextAndSelectionsEqual(t, "ÀÁ{AA]\nBB{B]\nĆ|\nD{DD]", c)
}
func TestTBCUnicode(t *testing.T) {
c := parseTBC("|1£2£3")
c.MoveRight()
assertTBCTextAndSelectionsEqual(t, "1|£2£3", c)
c.MoveRight()
assertTBCTextAndSelectionsEqual(t, "1£|2£3", c)
c.MoveRight()
assertTBCTextAndSelectionsEqual(t, "1£2|£3", c)
}
func TestTBCIndentSelection(t *testing.T) {
c := parseTBC("a{aa\n b]bb|bb\n [cc}\nddd\ne{e][e}e\n")
c.IndentSelection(2)
assertTBCTextAndSelectionsEqual(t, " a{aa\n b]bb|bb\n [cc}\nddd\n e{e][e}e\n", c)
}
func TestTBCUnindentSelection(t *testing.T) {
c := parseTBC(" a{aa\n b]bb|bb\n [cc}\nddd\n e{e][e}e\n")
c.UnindentSelection(2)
assertTBCTextAndSelectionsEqual(t, "a{aa\n b]bb|bb\n [cc}\nddd\ne{e][e}e\n", c)
}