public virtual void TestSliceEquals()
{
string left = "this is equal";
string right = left;
char[] leftChars = left.ToCharArray();
char[] rightChars = right.ToCharArray();
Assert.IsTrue(ArrayUtil.Equals(leftChars, 0, rightChars, 0, left.Length), left + " does not equal: " + right);
Assert.IsFalse(ArrayUtil.Equals(leftChars, 1, rightChars, 0, left.Length), left + " does not equal: " + right);
Assert.IsFalse(ArrayUtil.Equals(leftChars, 1, rightChars, 2, left.Length), left + " does not equal: " + right);
Assert.IsFalse(ArrayUtil.Equals(leftChars, 25, rightChars, 0, left.Length), left + " does not equal: " + right);
Assert.IsFalse(ArrayUtil.Equals(leftChars, 12, rightChars, 0, left.Length), left + " does not equal: " + right);
}
public virtual void TestUTF8toUTF32()
{
BytesRef utf8 = new BytesRef(20);
Int32sRef utf32 = new Int32sRef(20);
int[] codePoints = new int[20];
int num = AtLeast(50000);
for (int i = 0; i < num; i++)
{
string s = TestUtil.RandomUnicodeString(Random);
UnicodeUtil.UTF16toUTF8(s.ToCharArray(), 0, s.Length, utf8);
UnicodeUtil.UTF8toUTF32(utf8, utf32);
int charUpto = 0;
int intUpto = 0;
while (charUpto < s.Length)
{
int cp = Character.CodePointAt(s, charUpto);
codePoints[intUpto++] = cp;
charUpto += Character.CharCount(cp);
}
if (!ArrayUtil.Equals(codePoints, 0, utf32.Int32s, utf32.Offset, intUpto))
{
Console.WriteLine("FAILED");
for (int j = 0; j < s.Length; j++)
{
Console.WriteLine(" char[" + j + "]=" + ((int)s[j]).ToString("x"));
}
Console.WriteLine();
Assert.AreEqual(intUpto, utf32.Length);
for (int j = 0; j < intUpto; j++)
{
Console.WriteLine(" " + utf32.Int32s[j].ToString("x") + " vs " + codePoints[j].ToString("x"));
}
Assert.Fail("mismatch");
}
}
}