import static org.junit.jupiter.api.Assertions.*;

import java.util.Arrays;

import org.junit.jupiter.api.Test;

class PointsAndSegmentsTest {

    @Test
    void test() {
        int[] starts = {0, 7};
        int[] ends = {5, 10};
        int[] points = {1, 6, 11};
        int[] results = {1, 0, 0};
        assertArrayEquals(results, PointsAndSegments.naiveCountSegments(starts, ends, points));
        assertArrayEquals(results, PointsAndSegments.fasterCountSegments(starts, ends, points));
        assertArrayEquals(results, PointsAndSegments.fastestCountSegments(starts, ends, points));
    }

    @Test
    void test1() {
        int[] starts = {-10};
        int[] ends = {10};
        int[] points = {-100, 100, 0};
        int[] results = {0, 0, 1};
        assertArrayEquals(results, PointsAndSegments.naiveCountSegments(starts, ends, points));
        assertArrayEquals(results, PointsAndSegments.fasterCountSegments(starts, ends, points));
        assertArrayEquals(results, PointsAndSegments.fastestCountSegments(starts, ends, points));
    }

    @Test
    void test2() {
        int[] starts = {0, -3, 7};
        int[] ends = {5, 2, 10};
        int[] points = {1, 6};
        int[] results = {2, 0};
        assertArrayEquals(results, PointsAndSegments.naiveCountSegments(starts, ends, points));
        assertArrayEquals(results, PointsAndSegments.fasterCountSegments(starts, ends, points));
        assertArrayEquals(results, PointsAndSegments.fastestCountSegments(starts, ends, points));
    }

    @Test
    void test3() {
        int[] starts = {0, 7};
        int[] ends = {5, 10};
        int[] points = {1, 6, 11};
        int[] results = {1, 0, 0};
        assertArrayEquals(results, PointsAndSegments.fasterCountSegments(starts, ends, points));
        assertArrayEquals(results, PointsAndSegments.fastestCountSegments(starts, ends, points));
    }

    @Test
    void test4() {
        PointsAndSegments.Segment[] s = new PointsAndSegments.Segment[3];
        s[0] = new PointsAndSegments.Segment(0, 5);
        s[1] = new PointsAndSegments.Segment(-3, 2);
        s[2] = new PointsAndSegments.Segment(7, 10);
        int p = 1;
        assertEquals(2, PointsAndSegments.segCounts(s, p, 0, s.length - 1));
    }

    @Test
    void test5() {
        PointsAndSegments.Segment[] s = new PointsAndSegments.Segment[3];
        s[0] = new PointsAndSegments.Segment(0, 5);
        s[1] = new PointsAndSegments.Segment(-3, 2);
        s[2] = new PointsAndSegments.Segment(7, 10);
        int p = 6;
        Arrays.sort(s);
        assertEquals(0, PointsAndSegments.segCounts(s, p, 0, s.length - 1));
    }

}