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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.Test;
import static org.junit.Assert.*;
/**
* @author baldersheim
*/
public class IdentifierTestCase {
@Test
public void testIdentifier() {
assertEquals(new Identifier("").toString(), "");
assertEquals(new Identifier("a").toString(), "a");
assertEquals(new Identifier("z").toString(), "z");
assertEquals(new Identifier("B").toString(), "B");
assertEquals(new Identifier("Z").toString(), "Z");
assertEquals(new Identifier("_").toString(), "_");
try {
assertEquals(new Identifier("0").toString(), "0");
} catch (IllegalArgumentException e) {
assertEquals(e.getMessage(), "Illegal starting character '0' of identifier '0'.");
}
try {
assertEquals(new Identifier("-").toString(), "-");
} catch (IllegalArgumentException e) {
assertEquals(e.getMessage(), "Illegal starting character '-' of identifier '-'.");
}
assertEquals(new Identifier("a0_9").toString(), "a0_9");
assertEquals(new Identifier("a9Z_").toString(), "a9Z_");
try {
assertEquals(new Identifier("a-b").toString(), "a-b");
} catch (IllegalArgumentException e) {
assertEquals(e.getMessage(), "Illegal character '-' of identifier 'a-b'.");
}
}
}
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