public void IsCompleted_NullString_ReturnsFalse()
{
using (var scanner = new EnumerableStream <char>(null))
{
Assert.Equal(true, scanner.IsCompleted);
}
}
public void Pop_NullString_ReturnsNullChar()
{
using (var scanner = new EnumerableStream <char>(null))
{
Assert.Equal('\0', scanner.Pop());
}
}
public void Pop_NullString_ReturnsEmptySequence()
{
using (var scanner = new EnumerableStream <char>(null))
{
var buffer = new StringBuilder();
while (!scanner.IsCompleted)
{
buffer.Append(scanner.Pop());
}
Assert.Equal(String.Empty, buffer.ToString());
}
}
public void Peek_LongString_ReturnsSameAsPop()
{
const string input = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
using (var scanner = new EnumerableStream <char>(input.ToCharArray()))
{
while (!scanner.IsCompleted)
{
char ch = scanner.Peek();
Assert.Equal(scanner.Pop(), ch);
}
Assert.Equal(true, scanner.IsCompleted);
}
}
public void Pop_UnicodeString_ReturnsSameSequence()
{
const string input = "私が日本語を話すことはありません。";
using (var scanner = new EnumerableStream <char>(input.ToCharArray()))
{
var buffer = new StringBuilder();
while (!scanner.IsCompleted)
{
buffer.Append(scanner.Pop());
}
Assert.Equal(input, buffer.ToString());
}
}
public void Pop_LongString_ReturnsSameSequence()
{
const string input = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
using (var scanner = new EnumerableStream <char>(input.ToCharArray()))
{
var buffer = new StringBuilder();
while (!scanner.IsCompleted)
{
buffer.Append(scanner.Pop());
}
Assert.Equal(input, buffer.ToString());
}
}
public void Pop_EscapedSequence_ReturnsSameSequence()
{
const string input = @"""\\\b\f\n\r\t\u0123\u4567\u89AB\uCDEF\uabcd\uef4A\""""";
using (var scanner = new EnumerableStream <char>(input.ToCharArray()))
{
var buffer = new StringBuilder();
while (!scanner.IsCompleted)
{
buffer.Append(scanner.Pop());
scanner.Peek();
}
Assert.Equal(input, buffer.ToString());
}
}
