public async Task TestNormalisationAsync(string input)
{
// var expectedCount = input.Count(p => !char.IsSurrogate(p) && p != '\r');
using (var charReader = new AsyncLACharIterator(new StringReader(input), Capacity))
{
var i = 0;
while (i < input.Length)
{
int expectedCurrent;
int expectedLA;
input.CurrentAndLA(ref i, out expectedCurrent, out expectedLA);
Assert.That(await charReader.MoveNextAsync(),
Is.EqualTo(expectedCurrent != AsyncLACharIterator.EOF),
"Move next i={0}", i);
var current = await charReader.CurrentAsync();
Assert.That(current, Is.EqualTo(expectedCurrent), "Current codepoint i={0} expected={1} is={2}",
i, expectedCurrent.DisplayUTF8(), current.DisplayUTF8());
var la = await charReader.LookAheadAsync();
Assert.That(la, Is.EqualTo(expectedLA), "Lookahead codepoint i={0} expected={1} is={2}",
i, expectedLA.DisplayUTF8(), la.DisplayUTF8());
}
}
}
public async Task TestNormalisationAsync(string input)
{
// var expectedCount = input.Count(p => !char.IsSurrogate(p) && p != '\r');
using (var charReader = new AsyncLACharIterator(new StringReader(input), Capacity))
{
var i = 0;
while (i < input.Length)
{
int expectedCurrent;
int expectedLA;
input.CurrentAndLA(ref i, out expectedCurrent, out expectedLA);
Assert.That(await charReader.MoveNextAsync(),
Is.EqualTo(expectedCurrent != AsyncLACharIterator.EOF),
"Move next i={0}", i);
var current = await charReader.CurrentAsync();
Assert.That(current, Is.EqualTo(expectedCurrent), "Current codepoint i={0} expected={1} is={2}",
i, expectedCurrent.DisplayUTF8(), current.DisplayUTF8());
var la = await charReader.LookAheadAsync();
Assert.That(la, Is.EqualTo(expectedLA), "Lookahead codepoint i={0} expected={1} is={2}",
i, expectedLA.DisplayUTF8(), la.DisplayUTF8());
}
}
}
public async Task TestSupportResetting(string input)
{
using (var charReader = new AsyncLACharIterator(new StringReader(input), Capacity))
{
if (charReader.SupportsResetting)
{
var isEmpty = true;
while (await charReader.MoveNextAsync())
{
isEmpty = false;
}
charReader.Reset();
Assert.That(charReader.MoveNextAsync(), Is.EqualTo(isEmpty), "Has element after resetting is not empty");
}
else
{
Assert.That(charReader.Reset, Throws.InvalidOperationException);
}
}
}
public async Task TestSupportResetting(string input)
{
using (var charReader = new AsyncLACharIterator(new StringReader(input), Capacity))
{
if (charReader.SupportsResetting)
{
var isEmpty = true;
while (await charReader.MoveNextAsync())
{
isEmpty = false;
}
charReader.Reset();
Assert.That(charReader.MoveNextAsync(), Is.EqualTo(isEmpty), "Has element after resetting is not empty");
}
else
{
Assert.That(charReader.Reset, Throws.InvalidOperationException);
}
}
}
