JavaExercism/exercises/sieve/src/test/java/SieveTest.java

import org.junit.Test;
import org.junit.Ignore;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import static org.junit.Assert.assertEquals;

public class SieveTest {

    @Test
    public void noPrimesUnder2(){
        Sieve sieve = new Sieve(1);
        List<Integer> expectedOutput = Collections.emptyList();

        assertEquals(expectedOutput, sieve.getPrimes());
    }

    @Ignore("Remove to run test")
    @Test
    public void findFirstPrime() {
        Sieve sieve = new Sieve(2);
        List<Integer> expectedOutput = Collections.singletonList(2);

        assertEquals(expectedOutput, sieve.getPrimes());
    }

    @Ignore("Remove to run test")
    @Test
    public void findPrimesUpTo10() {
        Sieve sieve = new Sieve(10);
        List<Integer> expectedOutput = Arrays.asList(2, 3, 5, 7);

        assertEquals(expectedOutput, sieve.getPrimes());
    }

    @Ignore("Remove to run test")
    @Test
    public void limitIsPrime(){
        Sieve sieve = new Sieve(13);
        List<Integer> expectedOutput = Arrays.asList(2, 3, 5, 7, 11, 13);

        assertEquals(expectedOutput, sieve.getPrimes());
    }

    @Ignore("Remove to run test")
    @Test
    public void findPrimesUpTo1000() {
        Sieve sieve = new Sieve(1000);
        List<Integer> expectedOutput = Arrays.asList(2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61,
                67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173,
                179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283,
                293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421,
                431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563,
                569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683,
                691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829,
                839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983,
                991, 997);

        assertEquals(expectedOutput, sieve.getPrimes());
    }
}