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package com.oracle.truffle.regex.tregex;
import static org.junit.Assert.assertEquals;
import java.util.PrimitiveIterator;
import org.junit.Test;
import com.oracle.truffle.regex.tregex.string.StringBufferUTF16;
import com.oracle.truffle.regex.tregex.string.StringBufferUTF32;
import com.oracle.truffle.regex.tregex.string.StringBufferUTF8;
public class StringTest {
@Test
public void testEncodings() {
testEncodingsRange(Character.MIN_CODE_POINT, Character.MAX_HIGH_SURROGATE);
testEncodingsRange(Character.MIN_LOW_SURROGATE, Character.MAX_CODE_POINT);
}
static void testEncodingsRange(int lo, int hi) {
StringBufferUTF8 sb8 = new StringBufferUTF8();
StringBufferUTF16 sb16 = new StringBufferUTF16();
StringBufferUTF32 sb32 = new StringBufferUTF32();
for (int i = lo; i <= hi; i++) {
sb8.append(i);
sb16.append(i);
sb32.append(i);
}
PrimitiveIterator.OfInt it8 = sb8.materialize().iterator();
PrimitiveIterator.OfInt it16 = sb16.materialize().iterator();
PrimitiveIterator.OfInt it32 = sb32.materialize().iterator();
for (int i = lo; i <= hi; i++) {
assertEquals(i, it8.nextInt());
assertEquals(i, it16.nextInt());
assertEquals(i, it32.nextInt());
}
}
}