ArgTest.java

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package org.xembly;

import org.hamcrest.MatcherAssert;
import org.hamcrest.Matchers;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;

/**
 * Test case for {@link Arg}.
 *
 * @since 0.1
 */
public final class ArgTest {

    @Test
    @SuppressWarnings("PMD.AvoidInstantiatingObjectsInLoops")
    public void escapesAndUnescaped() throws Exception {
        final String[] texts = {
            "",
            "123",
            "test \u20ac привет & <>'\"\\",
            "how are you there,\t\n\rтоварищ? &#0D;",
        };
        for (final String text : texts) {
            MatcherAssert.assertThat(
                Arg.unescape(new Arg(text).toString()),
                Matchers.equalTo(text)
            );
        }
    }

    @Test
    public void rejectsToEscapeInvalidXmlChars() {
        Assertions.assertThrows(
            XmlContentException.class,
            () -> new Arg("\u001b\u0000").toString()
        );
    }

    @Test
    public void rejectsToUnEscapeInvalidXmlChars() {
        Assertions.assertThrows(
            XmlContentException.class,
            () -> Arg.unescape("&#27;&#0000;")
        );
    }

}