public void TextProvider_IndexOf1() {
var text = "Quick brown fox jumps over the lazy dog";
var textBuffer = new TextBufferMock(text, "text");
var textProvider = new TextProvider(textBuffer.CurrentSnapshot, 10);
textProvider.IndexOf("fox", 0, true).Should().Be(12);
}
public void TextProvider_IndexOf2() {
var text = "Quick brown fox jumps over the lazy dog";
var textBuffer = new TextBufferMock(text, "text");
var textProvider = new TextProvider(textBuffer.CurrentSnapshot, 10);
textProvider.IndexOf("o", new TextRange(3, 7), true).Should().Be(8);
}
public void TextProvider_GetText() {
var text = "Quick brown fox jumps over the lazy dog";
var textBuffer = new TextBufferMock(text, "text");
var textProvider = new TextProvider(textBuffer.CurrentSnapshot, 10);
textProvider.GetText(9, 5).Should().Be("wn fo");
}
public void TextProvider_GetCharAt() {
var text = "Quick brown fox jumps over the lazy dog";
var textBuffer = new TextBufferMock(text, "text");
var textProvider = new TextProvider(textBuffer.CurrentSnapshot, 10);
for (int i = 0; i < text.Length; i++) {
textProvider[i].Should().Be(text[i]);
}
}
public void TextProvider_IndexOf_Range1() {
var text = "Quick brown fox jumps over the lazy dog";
var textBuffer = new TextBufferMock(text, "text");
var textProvider = new TextProvider(textBuffer.CurrentSnapshot, 10);
textProvider.IndexOf("uick", new TextRange(1, 4), true).Should().Be(1);
textProvider.IndexOf("uick", new TextRange(1, 5), true).Should().Be(1);
textProvider.IndexOf("uick", new TextRange(1, 3), false).Should().Be(-1);
textProvider.IndexOf("uick", new TextRange(1, 0), false).Should().Be(-1);
}
public void TextProvider_CompareTo() {
var text = "Quick brown fox jumps over the lazy dog";
var textBuffer = new TextBufferMock(text, "text");
var textProvider = new TextProvider(textBuffer.CurrentSnapshot, 10);
textProvider.CompareTo(text.Length - 8, 4, "laZy", true).Should().BeTrue();
textProvider.CompareTo(text.Length - 8, 3, "laZy", true).Should().BeFalse();
textProvider.CompareTo(text.Length - 9, 4, "laZy", true).Should().BeFalse();
textProvider.CompareTo(text.Length - 3, 3, "dog", false).Should().BeTrue();
textProvider.CompareTo(text.Length - 3, 3, "dOg", false).Should().BeFalse();
textProvider.CompareTo(text.Length - 2, 3, "dog", true).Should().BeFalse();
}
/// <summary>
/// Converts list of text changes in a text buffer to a collection of
/// changes that are relative one to another.
/// </summary>
/// <param name="changes">Sorted collection of changes</param>
/// <returns>Collection of relative changes</returns>
public static IReadOnlyList<TextChangeEventArgs> ConvertToRelative(this TextContentChangedEventArgs changeInfo) {
IList<ITextChange> changes = changeInfo.Changes;
var list = new List<TextChangeEventArgs>(changes.Count);
ITextChange previousChange = null;
TextProvider oldText = new TextProvider(changeInfo.Before, true);
TextProvider newText = new TextProvider(changeInfo.After, true);
for (int i = 0; i < changes.Count; i++) {
var change = changes[i];
if (previousChange != null) {
if (previousChange.OldEnd > change.OldPosition || previousChange.NewEnd > change.NewPosition)
throw new ArgumentException("List of changes must not overlap", "changes");
}
var textChange = new TextChangeEventArgs(change.NewPosition, change.OldPosition, change.OldLength, change.NewLength, oldText, newText);
list.Add(textChange);
previousChange = change;
}
return list;
}
public void TextProvider_Boundary1() {
var text = "Quick brown fox jumps over the lazy dog";
var textBuffer = new TextBufferMock(text, "text");
var textProvider = new TextProvider(textBuffer.CurrentSnapshot, 10);
textProvider.CompareTo(text.Length, 4, "laZy", true).Should().BeFalse();
textProvider.CompareTo(text.Length - 1, 4, "laZy", true).Should().BeFalse();
textProvider.CompareTo(0, 3, new string('c', 100), true).Should().BeFalse();
textProvider.CompareTo(0, 0, "", true).Should().BeTrue();
textProvider.CompareTo(0, 2, string.Empty, true).Should().BeFalse();
textProvider.CompareTo(text.Length - 2, 3, "dog", true).Should().BeFalse();
}
public void TextProvider_Boundary3() {
var text = "ab";
var textBuffer = new TextBufferMock(text, "text");
var textProvider = new TextProvider(textBuffer.CurrentSnapshot, 10);
textProvider.CompareTo(text.Length, 4, "fooo", true).Should().BeFalse();
textProvider.CompareTo(0, 3, new string('c', 100), true).Should().BeFalse();
textProvider.CompareTo(0, 1, "a", true).Should().BeTrue();
textProvider.CompareTo(0, 2, "ab", true).Should().BeTrue();
textProvider.CompareTo(0, 2, "abc", true).Should().BeFalse();
textProvider.CompareTo(1, 0, string.Empty, true).Should().BeTrue();
textProvider.CompareTo(2, 0, string.Empty, true).Should().BeTrue();
}
public void TextProvider_Boundary2() {
var text = string.Empty;
var textBuffer = new TextBufferMock(text, "text");
var textProvider = new TextProvider(textBuffer.CurrentSnapshot, 10);
textProvider.CompareTo(text.Length, 4, "laZy", true).Should().BeFalse();
textProvider.CompareTo(0, 3, new string('c', 100), true).Should().BeFalse();
textProvider.CompareTo(0, 0, "", true).Should().BeTrue();
textProvider.CompareTo(0, 2, string.Empty, true).Should().BeFalse();
}
