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Day18Test.java
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272 lines (235 loc) · 9.07 KB
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import org.junit.Test;
import static org.junit.Assert.assertEquals;
import java.util.ArrayList;
import java.util.Arrays;
public class Day18Test {
@Test
public void Area_SingleCube(){
var coords = Arrays.asList(new Coordinate[]{C(1,1,1)});
int expectedArea = 6;
int area = Day18.calculateSurfaceArea(coords, true);
assertEquals(expectedArea, area);
}
@Test
public void Area_Rod211(){
var coords = Arrays.asList(new Coordinate[]{C(1,1,1),C(2,1,1)});
int expectedArea = (2*4) // edges
+ (2*1); // ends
int area = Day18.calculateSurfaceArea(coords, true);
assertEquals(expectedArea, area);
}
@Test
public void Area_Plate212PlusBump(){
var coords = Arrays.asList(new Coordinate[]{
C(1,1,1),
C(1,2,2), C(2,2,2),
C(1,2,1), C(2,2,1)
});
int expectedArea = 4 // top
+ 4 // bottom
+ (4*2) // plate edges
+ 4; // bump edges
int area = Day18.calculateSurfaceArea(coords,true);
assertEquals(expectedArea, area);
}
@Test
public void Area_Cup323Up(){
// upward facing "cup" w/ 3x3 base, 2 high
var coords = Arrays.asList(new Coordinate[]{
C(1,1,3), C(2,1,3), C(3,1,3),
C(1,1,2), C(3,1,2),
C(1,1,1), C(2,1,1), C(3,1,1),
C(1,2,3), C(2,2,3), C(3,2,3),
C(1,2,2), C(2,2,2), C(3,2,2),
C(1,2,1), C(2,2,1), C(3,2,1),
});
int expectedArea = 9 // top
+ 9 // bottom
+ (4*2*3) // outer edges
+ 4; // inner edges
int area = Day18.calculateSurfaceArea(coords,true);
assertEquals(expectedArea, area);
}
@Test
public void Area_cube3_xtunnel(){
//3x3 cube with tunnel parallel to x axis
var coords = Arrays.asList(new Coordinate[]{
C(1,1,3), C(2,1,3), C(3,1,3),
C(1,1,2), C(2,1,2), C(3,1,2),
C(1,1,1), C(2,1,1), C(3,1,1),
C(1,2,3), C(2,2,3), C(3,2,3),
//C(1,2,2), C(2,2,2), C(3,2,2),
C(1,2,1), C(2,2,1), C(3,2,1),
C(1,3,3), C(2,3,3), C(3,3,3),
C(1,3,2), C(2,3,2), C(3,3,2),
C(1,3,1), C(2,3,1), C(3,3,1),
});
int expectedArea = 9 * 4 // 4 unbroken faces
+ (8 * 2) // 2 faces with holes
+ 4 * 3; // inner edges of tunnel
int area = Day18.calculateSurfaceArea(coords,true);
assertEquals(expectedArea, area);
}
@Test
public void Area_hollowCube3(){
var coords = Arrays.asList(new Coordinate[]{
C(1,1,3), C(2,1,3), C(3,1,3),
C(1,1,2), C(2,1,2), C(3,1,2),
C(1,1,1), C(2,1,1), C(3,1,1),
C(1,2,3), C(2,2,3), C(3,2,3),
C(1,2,2),/*C(2,2,2),*/ C(3,2,2),
C(1,2,1), C(2,2,1), C(3,2,1),
C(1,3,3), C(2,3,3), C(3,3,3),
C(1,3,2), C(2,3,2), C(3,3,2),
C(1,3,1), C(2,3,1), C(3,3,1),
});
int expectedArea = 9 * 6 // 6 unbroken faces
+ 6; // interior void
int area = Day18.calculateSurfaceArea(coords,true);
assertEquals(expectedArea, area);
}
@Test
public void Area_cup333up(){
// 3x3x3 cup open at top
var coords = Arrays.asList(new Coordinate[]{
C(1,1,3), C(2,1,3), C(3,1,3),
C(1,1,2),/*C(2,1,2),*/ C(3,1,2),
C(1,1,1), C(2,1,1), C(3,1,1),
C(1,2,3), C(2,2,3), C(3,2,3),
C(1,2,2),/*C(2,2,2),*/ C(3,2,2),
C(1,2,1), C(2,2,1), C(3,2,1),
C(1,3,3), C(2,3,3), C(3,3,3),
C(1,3,2), C(2,3,2), C(3,3,2),
C(1,3,1), C(2,3,1), C(3,3,1),
});
int expectedArea = 9 * 6 // 6 faces
+ (4 * 2 ); // inside edges
int area = Day18.calculateSurfaceArea(coords,true);
assertEquals(expectedArea, area);
}
@Test
public void Area_cup333down(){
// 3x3x3 cup open at bottom
var coords = Arrays.asList(new Coordinate[]{
C(1,1,3), C(2,1,3), C(3,1,3),
C(1,1,2), C(2,1,2), C(3,1,2),
C(1,1,1), C(2,1,1), C(3,1,1),
C(1,2,3), C(2,2,3), C(3,2,3),
C(1,2,2),/*C(2,2,2),*/ C(3,2,2),
C(1,2,1), C(2,2,1), C(3,2,1),
C(1,3,3), C(2,3,3), C(3,3,3),
C(1,3,2),/*C(2,3,2),*/ C(3,3,2),
C(1,3,1), C(2,3,1), C(3,3,1),
});
int expectedArea = 9 * 6 // 6 faces
+ (4 * 2 ); // inside edges
int area = Day18.calculateSurfaceArea(coords,true);
assertEquals(expectedArea, area);
}
@Test
public void Area_cup333left(){
// 3x3x3 cup open at left
var coords = Arrays.asList(new Coordinate[]{
C(1,1,3), C(2,1,3), C(3,1,3),
C(1,1,2), C(2,1,2), C(3,1,2),
C(1,1,1), C(2,1,1), C(3,1,1),
C(1,2,3), C(2,2,3), C(3,2,3),
/*C(1,2,2),C(2,2,2),*/ C(3,2,2),
C(1,2,1), C(2,2,1), C(3,2,1),
C(1,3,3), C(2,3,3), C(3,3,3),
C(1,3,2), C(2,3,2), C(3,3,2),
C(1,3,1), C(2,3,1), C(3,3,1),
});
int expectedArea = 9 * 6 // 6 faces
+ (4 * 2 ); // inside edges
int area = Day18.calculateSurfaceArea(coords,true);
assertEquals(expectedArea, area);
}
@Test
public void Area_cup333right(){
// 3x3x3 cup open at left
var coords = Arrays.asList(new Coordinate[]{
C(1,1,3), C(2,1,3), C(3,1,3),
C(1,1,2), C(2,1,2), C(3,1,2),
C(1,1,1), C(2,1,1), C(3,1,1),
C(1,2,3), C(2,2,3), C(3,2,3),
C(1,2,2),/*C(2,2,2), C(3,2,2),*/
C(1,2,1), C(2,2,1), C(3,2,1),
C(1,3,3), C(2,3,3), C(3,3,3),
C(1,3,2), C(2,3,2), C(3,3,2),
C(1,3,1), C(2,3,1), C(3,3,1),
});
int expectedArea = 9 * 6 // 6 faces
+ (4 * 2 ); // inside edges
int area = Day18.calculateSurfaceArea(coords,true);
assertEquals(expectedArea, area);
}
@Test
public void Area_cup333front(){
// 3x3x3 cup open at front
var coords = Arrays.asList(new Coordinate[]{
C(1,1,3), C(2,1,3), C(3,1,3),
C(1,1,2), C(2,1,2), C(3,1,2),
C(1,1,1), C(2,1,1), C(3,1,1),
C(1,2,3), C(2,2,3), C(3,2,3),
C(1,2,2),/*C(2,2,2),*/ C(3,2,2),
C(1,2,1), /*C(2,2,1),*/ C(3,2,1),
C(1,3,3), C(2,3,3), C(3,3,3),
C(1,3,2), C(2,3,2), C(3,3,2),
C(1,3,1), C(2,3,1), C(3,3,1),
});
int expectedArea = 9 * 6 // 6 faces
+ (4 * 2 ); // inside edges
int area = Day18.calculateSurfaceArea(coords, true);
assertEquals(expectedArea, area);
}
@Test
public void Area_cup333back(){
// 3x3x3 cup open at back
var coords = Arrays.asList(new Coordinate[]{
C(1,1,3), C(2,1,3), C(3,1,3),
C(1,1,2), C(2,1,2), C(3,1,2),
C(1,1,1), C(2,1,1), C(3,1,1),
C(1,2,3),/*C(2,2,3),*/ C(3,2,3),
C(1,2,2),/*C(2,2,2),*/ C(3,2,2),
C(1,2,1), C(2,2,1), C(3,2,1),
C(1,3,3), C(2,3,3), C(3,3,3),
C(1,3,2), C(2,3,2), C(3,3,2),
C(1,3,1), C(2,3,1), C(3,3,1),
});
int expectedArea = 9 * 6 // 6 faces
+ (4 * 2 ); // inside edges
int area = Day18.calculateSurfaceArea(coords,true);
assertEquals(expectedArea, area);
}
@Test
public void Area_18test_txt(){
// example from problem description, including surface of interior void
var coords = Arrays.asList(new Coordinate[]{
/*1,1,6 */ /*2,1,6*/ /*3,1,6 */
/*1,1,5*/ C(2,1,5), /*3,1,5 */ // 5 exposed sides
/*1,1,4 */ /*2,1,4*/ /*3,1,4 */
/*1,1,3 */ /*2,1,3*/ /*3,1,3 */
/*1,1,2 */ C(2,1,2), /*3,1,2 */ // 5 exposed sides
/*1,1,1 */ /*2,1,1*/ /*3,1,1 */
/*1,2,6*/ C(2,2,6), /*3,2,6 */ // 5 exposed sides
C(1,2,5), /*2,2,5*/ C(3,2,5), //5+6+5=16 exposed sides
/*1,2,4 */ C(2,2,4), /*3,2,4 */ // 4 exposed sides
/*1,2,3 */ C(2,2,3), /*3,2,3 */ // 4 exposed sides
C(1,2,2), C(2,2,2),C(3,2,2), // 5+0+5=10 exposed sides
/*1,2,1 */ C(2,2,1), /*3,2,1 */ // 5 exposed sides
/*1,3,6 */ /*2,3,6*/ /*3,3,6 */
/*1,3,5*/ C(2,3,5), /*3,3,5 */ // 5 exposed sides
/*1,3,4 */ /*2,3,4*/ /*3,3,4 */
/*1,3,3 */ /*2,3,3*/ /*3,3,3 */
/*1,3,2 */ C(2,3,2), /*3,3,2 */ // 5 exposed sides
/*1,3,1 */ /*2,3,1*/ /*3,3,1 */
});
int expectedArea = 5+5+5+16+4+4+10+5+5+5;
int area = Day18.calculateSurfaceArea(coords,true);
assertEquals(expectedArea, area);
}
private Coordinate C(int x, int y, int z){
return new Coordinate(x,y,z);
}
}