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SeriesTest.java
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154 lines (140 loc) · 4.52 KB
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import java.util.Arrays;
import java.util.List;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import org.junit.Ignore;
public class SeriesTest {
@Test
public void hasDigitsShort() {
Series sut = new Series("01234");
List<Integer> expected = Arrays.asList(0, 1, 2, 3, 4);
List<Integer> actual = sut.getDigits();
assertNotNull(actual);
assertFalse(actual.isEmpty());
assertEquals(expected, actual);
}
@Test
@Ignore
public void hasDigitsLong() {
Series sut = new Series("0123456789");
List<Integer> expected = Arrays.asList(0, 1, 2, 3, 4, 5, 6, 7, 8, 9);
List<Integer> actual = sut.getDigits();
assertNotNull(actual);
assertFalse(actual.isEmpty());
assertEquals(expected, actual);
}
@Test
@Ignore
public void keepsTheDigitOrderIfReversed() {
Series sut = new Series("9876543210");
List<Integer> expected = Arrays.asList(9, 8, 7, 6, 5, 4, 3, 2, 1, 0);
List<Integer> actual = sut.getDigits();
assertNotNull(actual);
assertFalse(actual.isEmpty());
assertEquals(expected, actual);
}
@Test
@Ignore
public void keepsArbitraryDigitOrder() {
Series sut = new Series("936923468");
List<Integer> expected = Arrays.asList(9, 3, 6, 9, 2, 3, 4, 6, 8);
List<Integer> actual = sut.getDigits();
assertNotNull(actual);
assertFalse(actual.isEmpty());
assertEquals(expected, actual);
}
@Test
@Ignore
public void canSliceByOne() {
Series sut = new Series("01234");
List<List<Integer>> expected = Arrays.asList(
Arrays.asList(0),
Arrays.asList(1),
Arrays.asList(2),
Arrays.asList(3),
Arrays.asList(4)
);
List<List<Integer>> actual = sut.slices(1);
assertNotNull(actual);
assertFalse(actual.isEmpty());
assertEquals(expected, actual);
}
@Test
@Ignore
public void canSliceByTwo() {
Series sut = new Series("98273463");
List<List<Integer>> expected = Arrays.asList(
Arrays.asList(9, 8),
Arrays.asList(8, 2),
Arrays.asList(2, 7),
Arrays.asList(7, 3),
Arrays.asList(3, 4),
Arrays.asList(4, 6),
Arrays.asList(6, 3)
);
List<List<Integer>> actual = sut.slices(2);
assertNotNull(actual);
assertFalse(actual.isEmpty());
assertEquals(expected, actual);
}
@Test
@Ignore
public void canSliceByThree() {
Series sut = new Series("01234");
List<List<Integer>> expected = Arrays.asList(
Arrays.asList(0, 1, 2),
Arrays.asList(1, 2, 3),
Arrays.asList(2, 3, 4)
);
List<List<Integer>> actual = sut.slices(3);
assertNotNull(actual);
assertFalse(actual.isEmpty());
assertEquals(expected, actual);
}
@Test
@Ignore
public void canSliceByThreeWithDuplicateDigits() {
Series sut = new Series("31001");
List<List<Integer>> expected = Arrays.asList(
Arrays.asList(3, 1, 0),
Arrays.asList(1, 0, 0),
Arrays.asList(0, 0, 1)
);
List<List<Integer>> actual = sut.slices(3);
assertNotNull(actual);
assertFalse(actual.isEmpty());
assertEquals(expected, actual);
}
@Test
@Ignore
public void canSliceByFour() {
Series sut = new Series("91274");
List<List<Integer>> expected = Arrays.asList(
Arrays.asList(9, 1, 2, 7),
Arrays.asList(1, 2, 7, 4)
);
List<List<Integer>> actual = sut.slices(4);
assertNotNull(actual);
assertFalse(actual.isEmpty());
assertEquals(expected, actual);
}
@Test
@Ignore
public void canSliceByFive() {
Series sut = new Series("81228");
List<List<Integer>> expected = Arrays.asList(
Arrays.asList(8, 1, 2, 2, 8)
);
List<List<Integer>> actual = sut.slices(5);
assertNotNull(actual);
assertFalse(actual.isEmpty());
assertEquals(expected, actual);
}
@Test(expected = IllegalArgumentException.class)
@Ignore
public void throwsAnErrorIfNotEnoughDigitsToSlice() {
new Series("01032987583").slices(12);
}
}