public void TextBoxBaseUiaTextProvider_GetLineFromCharIndex_ReturnsCorrectValue(Size size, bool multiline, int charIndex, int expectedLine)
{
using SubTextBoxBase textBoxBase = new SubTextBoxBase()
{
Size = size, Multiline = multiline
};
textBoxBase.CreateControl();
textBoxBase.Text = "Some test text for testing GetLineFromCharIndex method";
TextBoxBaseUiaTextProvider provider = new TextBoxBaseUiaTextProvider(textBoxBase);
int actualLine = provider.GetLineFromCharIndex(charIndex);
Assert.Equal(expectedLine, actualLine);
Assert.True(textBoxBase.IsHandleCreated);
}
public void TextBoxBaseUiaTextProvider_GetLineFromCharIndex_ReturnsMinusOne_WithoutHandle(Size size, bool multiline, int charIndex, int expectedLine)
{
using SubTextBoxBase textBoxBase = new SubTextBoxBase()
{
Size = size,
Multiline = multiline,
Text = "Some test text for testing GetLineFromCharIndex method"
};
TextBoxBaseUiaTextProvider provider = new TextBoxBaseUiaTextProvider(textBoxBase);
int actualLine = provider.GetLineFromCharIndex(charIndex);
Assert.Equal(-1, actualLine);
Assert.False(textBoxBase.IsHandleCreated);
}
