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package com.yahoo.text;
import org.junit.Test;
import java.util.OptionalInt;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
public class TextTestCase {
@Test
public void testValidateTextString() {
assertFalse(Text.validateTextString("valid").isPresent());
assertEquals(OptionalInt.of(1), Text.validateTextString("text\u0001text\u0003"));
assertEquals(OptionalInt.of(0xDFFFF),
Text.validateTextString(new StringBuilder().appendCodePoint(0xDFFFF).toString()));
assertEquals(OptionalInt.of(0xDFFFF),
Text.validateTextString(new StringBuilder("foo").appendCodePoint(0xDFFFF).toString()));
assertEquals(OptionalInt.of(0xDFFFF),
Text.validateTextString(new StringBuilder().appendCodePoint(0xDFFFF).append("foo").toString()));
assertEquals(OptionalInt.of(0xDFFFF),
Text.validateTextString(new StringBuilder("foo").appendCodePoint(0xDFFFF).append("foo").toString()));
}
@Test
public void testStripTextString() {
assertEquals("", Text.stripInvalidCharacters(""));
assertEquals("valid", Text.stripInvalidCharacters("valid"));
assertEquals("text text ", Text.stripInvalidCharacters("text\u0001text\u0003"));
assertEquals(" ",
Text.stripInvalidCharacters(new StringBuilder().appendCodePoint(0xDFFFF).toString()));
assertEquals("foo ",
Text.stripInvalidCharacters(new StringBuilder("foo").appendCodePoint(0xDFFFF).toString()));
assertEquals(" foo",
Text.stripInvalidCharacters(new StringBuilder().appendCodePoint(0xDFFFF).append("foo").toString()));
assertEquals("foo foo",
Text.stripInvalidCharacters(new StringBuilder("foo").appendCodePoint(0xDFFFF).append("foo").toString()));
assertEquals("foo foo",
Text.stripInvalidCharacters(new StringBuilder("foo").appendCodePoint(0xD800).append("foo").toString()));
}
@Test
public void testThatHighSurrogateRequireLowSurrogate() {
assertEquals(OptionalInt.of(0xD800), Text.validateTextString(new StringBuilder().appendCodePoint(0xD800).toString()));
assertEquals(OptionalInt.of(0xD800), Text.validateTextString(new StringBuilder().appendCodePoint(0xD800).append(0x0000).toString()));
}
}
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