public void LogicalRuns()
{
using (var bidi = new BiDi())
{
bidi.SetPara(ENGLISH_HEBREW_MIXED, BiDi.DEFAULT_LTR, null);
Assert.AreEqual(3, bidi.CountRuns());
var logicalMap = bidi.GetLogicalMap();
Assert.AreEqual(ENGLISH_HEBREW_MIXED.Length, logicalMap.Length);
Assert.AreEqual(HEBREW_SHORT.Length, logicalMap.Select((m, i) => (m, i)).Count(mi => mi.Item1 != mi.Item2));
Assert.That(Enumerable.Range(0, ENGLISH_PART_1.Length).All(i => bidi.GetLogicalIndex(i) == i));
Assert.That(Enumerable.Range(ENGLISH_PART_1.Length, HEBREW_SHORT.Length).All(i => bidi.GetLogicalIndex(i) == ENGLISH_PART_1.Length + HEBREW_SHORT.Length - i + ENGLISH_PART_1.Length - 1));
Assert.That(Enumerable.Range(ENGLISH_PART_1.Length + HEBREW_SHORT.Length, ENGLISH_PART_2.Length).All(i => bidi.GetLogicalIndex(i) == i));
var limit = bidi.GetLogicalRun(3, out byte runlevel);
Assert.AreEqual(ENGLISH_PART_1.Length, limit);
Assert.AreEqual(0, runlevel);
limit = bidi.GetLogicalRun(ENGLISH_PART_1.Length + 3, out runlevel);
Assert.AreEqual(ENGLISH_PART_1.Length + HEBREW_SHORT.Length, limit);
Assert.AreEqual(1, runlevel);
limit = bidi.GetLogicalRun(ENGLISH_PART_1.Length + HEBREW_SHORT.Length + 3, out runlevel);
Assert.AreEqual(ENGLISH_HEBREW_MIXED.Length, limit);
Assert.AreEqual(0, runlevel);
bidi.SetPara(ENGLISH_LONG, BiDi.DEFAULT_LTR, null);
Assert.AreEqual(1, bidi.CountRuns());
bidi.SetPara(HEBREW_LONG, BiDi.DEFAULT_LTR, null);
Assert.AreEqual(1, bidi.CountRuns());
}
}
public void VisualRuns()
{
using (var bidi = new BiDi())
{
bidi.SetPara(ENGLISH_HEBREW_MIXED, BiDi.DEFAULT_LTR, null);
Assert.AreEqual(3, bidi.CountRuns());
var visualMap = bidi.GetVisualMap();
Assert.AreEqual(ENGLISH_HEBREW_MIXED.Length, visualMap.Length);
Assert.AreEqual(HEBREW_SHORT.Length, visualMap.Select((m, i) => (m, i)).Count(mi => mi.Item1 != mi.Item2));
Assert.That(Enumerable.Range(0, ENGLISH_PART_1.Length).All(i => bidi.GetVisualIndex(i) == i));
Assert.That(Enumerable.Range(ENGLISH_PART_1.Length, HEBREW_SHORT.Length).All(i => bidi.GetVisualIndex(i) == ENGLISH_PART_1.Length + HEBREW_SHORT.Length - i + ENGLISH_PART_1.Length - 1));
Assert.That(Enumerable.Range(ENGLISH_PART_1.Length + HEBREW_SHORT.Length, ENGLISH_PART_2.Length).All(i => bidi.GetVisualIndex(i) == i));
var direction = bidi.GetVisualRun(0, out int start, out int len);
Assert.AreEqual(0, start);
Assert.AreEqual(ENGLISH_PART_1.Length, len);
Assert.AreEqual(direction, BiDi.BiDiDirection.LTR);
direction = bidi.GetVisualRun(1, out start, out len);
Assert.AreEqual(ENGLISH_PART_1.Length, start);
Assert.AreEqual(HEBREW_SHORT.Length, len);
Assert.AreEqual(direction, BiDi.BiDiDirection.RTL);
direction = bidi.GetVisualRun(2, out start, out len);
Assert.AreEqual(ENGLISH_PART_1.Length + HEBREW_SHORT.Length, start);
Assert.AreEqual(ENGLISH_PART_2.Length, len);
Assert.AreEqual(direction, BiDi.BiDiDirection.LTR);
}
}
