package nodomain.freeyourgadget.gadgetbridge.test;
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import org.junit.Test;
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import java.nio.charset.StandardCharsets;
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import nodomain.freeyourgadget.gadgetbridge.util.StringUtils;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNull;
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public class StringUtilsTest extends TestBase {
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private static final String SEP = ":";
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private static final String E1 = "e1";
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private static final String E2 = "e2";
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private static final String E3 = "e3";
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@Test
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public void testJoinNull() {
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StringBuilder result = StringUtils.join(SEP, (String[]) null);
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assertEquals("", result.toString());
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}
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@Test
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public void testJoinNullElement() {
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StringBuilder result = StringUtils.join(SEP, (String) null);
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assertEquals("", result.toString());
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}
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@Test
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public void testJoinSingleElement() {
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StringBuilder result = StringUtils.join(SEP, E1);
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assertEquals(E1, result.toString());
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}
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@Test
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public void testJoinSingleAndNullElement() {
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StringBuilder result = StringUtils.join(SEP, E1, null);
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assertEquals(E1, result.toString());
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}
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@Test
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public void testJoinTwoElements() {
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StringBuilder result = StringUtils.join(SEP, E1, E2);
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assertEquals(E1 + SEP + E2, result.toString());
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}
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@Test
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public void testJoinTwoElementsAndNull() {
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StringBuilder result = StringUtils.join(SEP, E1, null, E2);
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assertEquals(E1 + SEP + E2, result.toString());
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}
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@Test
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public void testJoinThreeElements() {
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StringBuilder result = StringUtils.join(SEP, E1, E2, E3);
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assertEquals(E1 + SEP + E2 + SEP + E3, result.toString());
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}
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@Test
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public void testUntilNullTerminator() {
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assertNull(StringUtils.untilNullTerminator("Hello, World!".getBytes(StandardCharsets.UTF_8), 7));
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assertNull(StringUtils.untilNullTerminator("Hello, World!".getBytes(StandardCharsets.UTF_8), 99));
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assertEquals("Hello, World!", StringUtils.untilNullTerminator("Hello, World!\0Another String".getBytes(StandardCharsets.UTF_8), 0));
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assertEquals("World!", StringUtils.untilNullTerminator("Hello, World!\0Another String".getBytes(StandardCharsets.UTF_8), 7));
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assertEquals("", StringUtils.untilNullTerminator("Hello, World!\0Another String".getBytes(StandardCharsets.UTF_8), 13));
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assertNull(StringUtils.untilNullTerminator("Hello, World!\0Another String".getBytes(StandardCharsets.UTF_8), 14));
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assertNull(StringUtils.untilNullTerminator("Hello, World!\0Another String".getBytes(StandardCharsets.UTF_8), 99));
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}
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}
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