public void TestGetLineStartIndexOf()
{
string text =
"foo\n" +
"bar\r\n" +
"baz";
Assert.AreEqual(0, StringLineUtil.GetLineStartCharacterIndexOf(text, 0));
Assert.AreEqual(4, StringLineUtil.GetLineStartCharacterIndexOf(text, 1));
Assert.AreEqual(9, StringLineUtil.GetLineStartCharacterIndexOf(text, 2));
// いきなり改行
text =
"\r\n" +
"a";
Assert.AreEqual(0, StringLineUtil.GetLineStartCharacterIndexOf(text, 0));
Assert.AreEqual(2, StringLineUtil.GetLineStartCharacterIndexOf(text, 1));
// 改行続き
text =
"\r\n" +
"\r\n" +
"a";
Assert.AreEqual(0, StringLineUtil.GetLineStartCharacterIndexOf(text, 0));
Assert.AreEqual(2, StringLineUtil.GetLineStartCharacterIndexOf(text, 1));
Assert.AreEqual(4, StringLineUtil.GetLineStartCharacterIndexOf(text, 2));
}
public void TestGetLineCount()
{
string text =
"foo\n" +
"bar\r\n" +
"baz";
Assert.AreEqual(3, StringLineUtil.GetLineCount(text));
text =
"foo\n" +
"bar\r\n" +
"baz\n";
Assert.AreEqual(4, StringLineUtil.GetLineCount(text));
//// いきなり改行
text =
"\r\n" +
"a";
Assert.AreEqual(2, StringLineUtil.GetLineCount(text));
//// 改行続き
text =
"\r\n" +
"\r\n" +
"a";
Assert.AreEqual(3, StringLineUtil.GetLineCount(text));
}
public void TestGetColumnIndexOf()
{
string text =
"foo\n" +
"bar\r\n" +
"baz";
int[] expected = new int[] { 0, 1, 2, 3, 0, 1, 2, 3, 4, 0, 1, 2 };
for (int i = 0; i < text.Length; ++i)
{
Assert.AreEqual(expected[i], StringLineUtil.GetColumnIndexOf(text, i));
}
// いきなり改行
text =
"\r\n" +
"a";
Assert.AreEqual(0, StringLineUtil.GetColumnIndexOf(text, 0));
Assert.AreEqual(1, StringLineUtil.GetColumnIndexOf(text, 1));
Assert.AreEqual(0, StringLineUtil.GetColumnIndexOf(text, 2));
// 改行続き
text =
"\r\n" +
"\r\n" +
"a";
Assert.AreEqual(0, StringLineUtil.GetColumnIndexOf(text, 0));
Assert.AreEqual(1, StringLineUtil.GetColumnIndexOf(text, 1));
Assert.AreEqual(0, StringLineUtil.GetColumnIndexOf(text, 2));
Assert.AreEqual(1, StringLineUtil.GetColumnIndexOf(text, 3));
Assert.AreEqual(0, StringLineUtil.GetColumnIndexOf(text, 4));
}
public void TestGetLineEndIndexOf()
{
string text =
"foo\n" +
"bar\r\n" +
"baz";
Assert.AreEqual(3, StringLineUtil.GetLineEndCharacterIndexOf(text, 0));
Assert.AreEqual(8, StringLineUtil.GetLineEndCharacterIndexOf(text, 1));
Assert.AreEqual(12, StringLineUtil.GetLineEndCharacterIndexOf(text, 2));
//// いきなり改行
text =
"\r\n" +
"a";
Assert.AreEqual(1, StringLineUtil.GetLineEndCharacterIndexOf(text, 0));
Assert.AreEqual(3, StringLineUtil.GetLineEndCharacterIndexOf(text, 1));
//// 改行続き
text =
"\r\n" +
"\r\n" +
"a";
Assert.AreEqual(1, StringLineUtil.GetLineEndCharacterIndexOf(text, 0));
Assert.AreEqual(3, StringLineUtil.GetLineEndCharacterIndexOf(text, 1));
Assert.AreEqual(5, StringLineUtil.GetLineEndCharacterIndexOf(text, 2));
}
public void TestGetColumnCount()
{
string text =
"foo\n" +
"bar\r\n" +
"baz";
Assert.AreEqual(4, StringLineUtil.GetColumnCount(text, 0));
Assert.AreEqual(5, StringLineUtil.GetColumnCount(text, 1));
Assert.AreEqual(4, StringLineUtil.GetColumnCount(text, 2));
}
public static int GetLineEndFirstCharacterIndexOf(string text, int lineIndex)
{
int lineEndIndex = GetLineEndCharacterIndexOf(text, lineIndex);
if ((StringLineUtil.GetLineEndKind(text, lineEndIndex) & StringLineUtil.LineEndKinds.SecondOfDoubleByte) ==
StringLineUtil.LineEndKinds.SecondOfDoubleByte
)
{
--lineEndIndex;
}
return(lineEndIndex);
}
public void TestSplitLines()
{
string text =
"foo\n" +
"bar\r\n" +
"baz";
string[] ret = StringLineUtil.SplitLines(text);
Assert.AreEqual(3, ret.Length);
Assert.AreEqual("foo\n", ret[0]);
Assert.AreEqual("bar\r\n", ret[1]);
Assert.AreEqual("baz\0", ret[2]);
}
public void TestGetIndexOf()
{
string text =
"foo\n" +
"bar\r\n" +
"baz";
Assert.AreEqual(0, StringLineUtil.GetCharacterIndexOf(text, 0, 0));
Assert.AreEqual(3, StringLineUtil.GetCharacterIndexOf(text, 0, 3));
Assert.AreEqual(4, StringLineUtil.GetCharacterIndexOf(text, 1, 0));
Assert.AreEqual(8, StringLineUtil.GetCharacterIndexOf(text, 1, 4));
Assert.AreEqual(9, StringLineUtil.GetCharacterIndexOf(text, 2, 0));
}
