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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.text;
import org.junit.Ignore;
import org.junit.Test;
import java.util.OptionalInt;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
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()));
}
@Test
public void testIsDisplayable() {
assertTrue(Text.isDisplayable('A'));
assertTrue(Text.isDisplayable('a'));
assertTrue(Text.isDisplayable('5'));
assertTrue(Text.isDisplayable(','));
assertTrue(Text.isDisplayable('\"'));
assertTrue(Text.isDisplayable('}'));
assertTrue(Text.isDisplayable('-'));
assertFalse(Text.isDisplayable(' '));
assertFalse(Text.isDisplayable(0));
}
@Test
public void testTruncate() {
assertEquals("ab", Text.truncate("ab", 5));
assertEquals("ab", Text.truncate("ab", 6));
assertEquals("ab", Text.truncate("ab", 2));
assertEquals("a", Text.truncate("ab", 1));
assertEquals("", Text.truncate("ab", 0));
assertEquals("ab c", Text.truncate("ab cde", 4));
assertEquals("a ...", Text.truncate("ab cde", 5));
}
@Test
public void testFormat() {
assertEquals("foo 3.14", Text.format("%s %.2f", "foo", 3.1415926536));
}
private static long isValid(String [] strings, int num) {
long sum = 0;
for (int i=0; i < num; i++) {
if (Text.isValidTextString(strings[i%strings.length])) {
sum++;
}
}
return sum;
}
private static long validate(String [] strings, int num) {
long sum = 0;
for (int i=0; i < num; i++) {
if (Text.validateTextString(strings[i%strings.length]).isEmpty()) {
sum++;
}
}
return sum;
}
@Ignore
@Test
public void benchmarkValidate() {
String [] strings = new String[100];
for (int i=0; i < strings.length; i++) {
strings[i] = new StringBuilder("some text ").append(i).append("of mine.").appendCodePoint(0xDFFFC).append("foo").toString();
}
long sum = validate(strings, 1000000);
System.out.println("Warmup num validate = " + sum);
sum = isValid(strings, 1000000);
System.out.println("Warmup num isValid = " + sum);
long start = System.nanoTime();
sum = validate(strings, 100000000);
long diff = System.nanoTime() - start;
System.out.println("Validation num validate = " + sum + ". Took " + diff + "ns");
start = System.nanoTime();
sum = isValid(strings, 100000000);
diff = System.nanoTime() - start;
System.out.println("Validation num isValid = " + sum + ". Took " + diff + "ns");
}
}
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