public void MoveSelectedWord_EmptyString()
{
using (TextBox txt = new TextBox())
{
Assert.IsFalse(txt.MoveSelectedWord(true));
Assert.AreEqual(String.Empty, txt.Text);
Assert.IsFalse(txt.MoveSelectedWord(false));
Assert.AreEqual(String.Empty, txt.Text);
}
}
public void MoveSelectedWord_OneWord()
{
const string initial = "dog";
using (TextBox txt = new TextBox())
{
txt.Text = initial;
Assert.IsFalse(txt.MoveSelectedWord(true));
Assert.AreEqual(initial, txt.Text);
Assert.IsFalse(txt.MoveSelectedWord(false));
Assert.AreEqual(initial, txt.Text);
txt.SelectionStart = 3;
Assert.IsFalse(txt.MoveSelectedWord(true));
Assert.AreEqual(initial, txt.Text);
Assert.IsFalse(txt.MoveSelectedWord(false));
Assert.AreEqual(initial, txt.Text);
txt.SelectionStart = 0;
txt.SelectionLength = 3;
Assert.IsFalse(txt.MoveSelectedWord(true));
Assert.AreEqual(initial, txt.Text);
Assert.IsFalse(txt.MoveSelectedWord(false));
Assert.AreEqual(initial, txt.Text);
}
}
public void MoveSelectedWord_AdvanceInitialPunc()
{
// 0 1 2 3 4
// 0123456789012345678901234567890123456789012
const string initial = "\u00BFQue\u0301 le dijo Potifar a Jose\u0301?";
using (TextBox txt = new TextBox())
{
txt.Text = initial;
txt.SelectionStart = 0;
txt.SelectionLength = 1;
Assert.IsTrue(txt.MoveSelectedWord(true));
// 0 1 2 3 4
// 0123456789012345678901234567890123456789012
Assert.AreEqual("Que\u0301 \u00BFle dijo Potifar a Jose\u0301?", txt.Text);
}
}
public void MoveSelectedWord_AdvanceWordFollowingSentenceInitialPunc()
{
// 0 1 2 3 4
// 0123456789012345678901234567890123456789012
const string initial = "\u00BFnoto\u0301 Que\u0301 Potifar Jose\u0301 Potifar familia?";
using (TextBox txt = new TextBox())
{
txt.Text = initial;
txt.SelectionStart = 1;
txt.SelectionLength = 5;
Assert.IsTrue(txt.MoveSelectedWord(true));
Assert.AreEqual("\u00BFQue\u0301 noto\u0301 Potifar Jose\u0301 Potifar familia?", txt.Text);
}
}
public void MoveSelectedWord_OneWord_MiddleOfWordSelected()
{
const string initial = "dog";
using (TextBox txt = new TextBox())
{
txt.Text = initial;
txt.SelectionStart = 1;
txt.SelectionLength = 1;
Assert.IsTrue(txt.MoveSelectedWord(true));
Assert.AreEqual("dgo", txt.Text);
Assert.AreEqual(2, txt.SelectionStart);
Assert.AreEqual(1, txt.SelectionLength);
txt.Text = initial;
txt.SelectionStart = 1;
txt.SelectionLength = 1;
Assert.IsTrue(txt.MoveSelectedWord(false));
Assert.AreEqual("odg", txt.Text);
Assert.AreEqual(0, txt.SelectionStart);
Assert.AreEqual(1, txt.SelectionLength);
}
}
public void MoveSelectedWord_MoveSelectedWordBackwardPastComma()
{
// 0 1 2 3 4
// 0123456789012345678901234567890123456789012
const string initial = "The quick brown fox ate the poor, wimpy dog.";
using (TextBox txt = new TextBox())
{
txt.Text = initial;
txt.SelectionStart = 34;
txt.SelectionLength = 5;
Assert.IsTrue(txt.MoveSelectedWord(false));
// 0 1 2 3 4
// 0123456789012345678901234567890123456789012
Assert.AreEqual("The quick brown fox ate the wimpy poor, dog.", txt.Text);
Assert.AreEqual(28, txt.SelectionStart);
Assert.AreEqual(6, txt.SelectionLength);
}
}
public void MoveSelectedWord_IpInWordBeforeComma()
{
// 0 1 2 3 4
// 0123456789012345678901234567890123456789012
const string initial = "The quick brown fox ate the poor, wimpy dog.";
using (TextBox txt = new TextBox())
{
txt.Text = initial;
txt.SelectionStart = 29;
txt.SelectionLength = 0;
Assert.IsTrue(txt.MoveSelectedWord(true));
// 0 1 2 3 4
// 0123456789012345678901234567890123456789012
Assert.AreEqual("The quick brown fox ate the wimpy poor, dog.", txt.Text);
Assert.AreEqual(33, txt.SelectionStart);
Assert.AreEqual(6, txt.SelectionLength);
txt.Text = initial;
txt.SelectionStart = 29;
txt.SelectionLength = 0;
Assert.IsTrue(txt.MoveSelectedWord(false));
// 0 1 2 3 4
// 0123456789012345678901234567890123456789012
Assert.AreEqual("The quick brown fox ate poor, the wimpy dog.", txt.Text);
Assert.AreEqual(24, txt.SelectionStart);
Assert.AreEqual(6, txt.SelectionLength);
}
}
public void MoveSelectedWord_Normal_SingleWordSelected_BackwardToStart_NoPunctuation()
{
// 0 1 2 3 4
// 0123456789012345678901234567890123456789012
const string initial = "The quick brown fox ate the poor wimpy dog";
using (TextBox txt = new TextBox())
{
// Start with second-to-last word
txt.Text = initial;
int prevStart = txt.SelectionStart = 33;
txt.SelectionLength = 5;
int steps = 0;
while (txt.MoveSelectedWord(false))
{
Assert.IsTrue(prevStart > txt.SelectionStart);
Assert.AreEqual(6, txt.SelectionLength);
prevStart = txt.SelectionStart;
steps++;
}
Assert.AreEqual(7, steps);
Assert.AreEqual("wimpy The quick brown fox ate the poor dog", txt.Text);
Assert.AreEqual(0, txt.SelectionStart);
Assert.AreEqual(6, txt.SelectionLength);
// Start with last word
txt.Text = initial;
prevStart = txt.SelectionStart = 39;
txt.SelectionLength = 3;
steps = 0;
while (txt.MoveSelectedWord(false))
{
Assert.IsTrue(prevStart > txt.SelectionStart);
Assert.AreEqual(4, txt.SelectionLength);
prevStart = txt.SelectionStart;
steps++;
}
Assert.AreEqual(8, steps);
// 0 1 2 3 4
// 0123456789012345678901234567890123456789012
Assert.AreEqual("dog The quick brown fox ate the poor wimpy", txt.Text);
Assert.AreEqual(0, txt.SelectionStart);
Assert.AreEqual(4, txt.SelectionLength);
}
}
public void MoveSelectedWord_Normal_SingleWordSelected_BackwardToStart_InitialPunctuation()
{
// 0 1 2 3 4
// 01234567890123456789012345678901234567890123456
// ?Por que' comio' el zorro al pobre perro debil?
const string initial = "\u00BFPor que\u0301 comio\u0301 el zorro al pobre perro debil?";
using (TextBox txt = new TextBox())
{
txt.Text = initial;
int prevStart = txt.SelectionStart = 41;
txt.SelectionLength = 5;
int steps = 0;
while (txt.MoveSelectedWord(false))
{
Assert.IsTrue(prevStart > txt.SelectionStart);
Assert.AreEqual(6, txt.SelectionLength);
prevStart = txt.SelectionStart;
steps++;
}
Assert.AreEqual(8, steps);
Assert.AreEqual("\u00BFdebil Por que\u0301 comio\u0301 el zorro al pobre perro?", txt.Text);
Assert.AreEqual(1, txt.SelectionStart);
Assert.AreEqual(6, txt.SelectionLength);
}
}
public void MoveSelectedWord_Normal_SingleWordSelected_ForwardToEnd_NoPunctuation()
{
const string initial = "The quick brown fox ate the poor wimpy dog";
using (TextBox txt = new TextBox())
{
// Start with second word
txt.Text = initial;
int prevStart = txt.SelectionStart = 4;
txt.SelectionLength = 5;
int steps = 0;
while (txt.MoveSelectedWord(true))
{
Assert.IsTrue(prevStart < txt.SelectionStart);
Assert.AreEqual(6, txt.SelectionLength);
prevStart = txt.SelectionStart;
steps++;
}
Assert.AreEqual(7, steps);
// 0 1 2 3 4
// 0123456789012345678901234567890123456789012
Assert.AreEqual("The brown fox ate the poor wimpy dog quick", txt.Text);
Assert.AreEqual(36, txt.SelectionStart);
Assert.AreEqual(6, txt.SelectionLength);
// Start with first word
txt.Text = initial;
prevStart = txt.SelectionStart = 0;
txt.SelectionLength = 3;
steps = 0;
while (txt.MoveSelectedWord(true))
{
Assert.IsTrue(prevStart < txt.SelectionStart);
Assert.AreEqual(4, txt.SelectionLength);
prevStart = txt.SelectionStart;
steps++;
}
Assert.AreEqual(8, steps);
// 0 1 2 3 4
// 0123456789012345678901234567890123456789012
Assert.AreEqual("quick brown fox ate the poor wimpy dog The", txt.Text);
Assert.AreEqual(38, txt.SelectionStart);
Assert.AreEqual(4, txt.SelectionLength);
}
}
public void MoveSelectedWord_Normal_SingleWordSelected_ForwardToEnd_FinalPunctuation()
{
const string initial = "The quick brown fox ate\u0301 the poor wimpy dog.";
using (TextBox txt = new TextBox())
{
txt.Text = initial;
int prevStart = txt.SelectionStart = 4;
txt.SelectionLength = 5;
int steps = 0;
while (txt.MoveSelectedWord(true))
{
Assert.IsTrue(prevStart < txt.SelectionStart);
Assert.AreEqual(6, txt.SelectionLength);
prevStart = txt.SelectionStart;
steps++;
}
Assert.AreEqual(7, steps);
// 0 1 2 3 4
// 01234567890123456789012345678901234567890123
// The brown fox ate' the poor wimpy dog quick.
Assert.AreEqual("The brown fox ate\u0301 the poor wimpy dog quick.", txt.Text);
Assert.AreEqual(37, txt.SelectionStart);
Assert.AreEqual(6, txt.SelectionLength);
}
}
public void MoveSelectedWord_Normal_SingleWordSelected_BackwardThenForward()
{
const string initial = "The quick brown fox ate the poor wimpy dog.";
using (TextBox txt = new TextBox())
{
txt.Text = initial;
txt.SelectionStart = 10;
txt.SelectionLength = 5;
Assert.IsTrue(txt.MoveSelectedWord(false));
Assert.AreEqual("The brown quick fox ate the poor wimpy dog.", txt.Text);
Assert.AreEqual(4, txt.SelectionStart);
Assert.AreEqual(6, txt.SelectionLength);
Assert.IsTrue(txt.MoveSelectedWord(true));
Assert.AreEqual(initial, txt.Text);
Assert.AreEqual(10, txt.SelectionStart);
Assert.AreEqual(6, txt.SelectionLength);
}
}
public void MoveSelectedWord_OneWord_SpaceAfter_StartOfWordSelected()
{
const string initial = "dog ";
using (TextBox txt = new TextBox())
{
txt.Text = initial;
txt.SelectionStart = 0;
txt.SelectionLength = 2;
Assert.IsTrue(txt.MoveSelectedWord(true));
Assert.AreEqual("g do", txt.Text);
Assert.AreEqual(2, txt.SelectionStart);
Assert.AreEqual(2, txt.SelectionLength);
txt.Text = initial;
txt.SelectionStart = 0;
txt.SelectionLength = 2;
Assert.IsFalse(txt.MoveSelectedWord(false));
Assert.AreEqual(initial, txt.Text);
}
}
public void MoveSelectedWord_OneWord_SpaceAfter_IPBeforeSpace()
{
const string initial = "dog ";
using (TextBox txt = new TextBox())
{
txt.Text = initial;
txt.SelectionStart = 3;
txt.SelectionLength = 0;
Assert.IsTrue(txt.MoveSelectedWord(true));
Assert.AreEqual(" dog", txt.Text);
Assert.AreEqual(1, txt.SelectionStart);
Assert.AreEqual(3, txt.SelectionLength);
txt.Text = initial;
txt.SelectionStart = 3;
txt.SelectionLength = 0;
Assert.IsFalse(txt.MoveSelectedWord(false));
Assert.AreEqual(initial, txt.Text);
}
}