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aoc2019/day10_test.go

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package aoc2019
import (
"strings"
"testing"
)
func TestDay10ReadAsteroidMap(t *testing.T) {
grid, err := day10ReadAsteroidMap(strings.NewReader(".#..#\n.....\n#####\n....#\n...##"))
if err != nil {
t.Fatalf("Asteroid map parser failed: %s", err)
}
if grid.width != 5 {
t.Errorf("Wrong width detected: exp=5 got=%d", grid.width)
}
if l := len(grid.asteroidMap); l != 25 {
t.Errorf("Wrong length of asteroid map detected: exp=25 got=%d", l)
}
if c := grid.asteroidCount(); c != 10 {
t.Errorf("Wrong number of asteroids detected: exp=10 got=%d", c)
}
}
func TestDay10GetCleanedGrid(t *testing.T) {
grid, err := day10ReadAsteroidMap(strings.NewReader(".#..#\n.....\n#####\n....#\n...##"))
if err != nil {
t.Fatalf("Asteroid map parser failed: %s", err)
}
for expCount, coords := range map[int][2]int{
5: {4, 2},
6: {0, 2},
7: {1, 0},
8: {3, 4},
} {
rGrid := grid.getCleanedGrid(coords[0], coords[1])
if c := rGrid.asteroidCount(); c != expCount {
t.Errorf("Wrong number of asteroids detected: exp=%d got=%d (grid=%s)", expCount, c, rGrid.asteroidMap)
}
}
}
func TestDay10StepToDeg(t *testing.T) {
// Is a function on a day10MonitorGrid, grid itself is not used
grid, err := day10ReadAsteroidMap(strings.NewReader(".#..#\n.....\n#####\n....#\n...##"))
if err != nil {
t.Fatalf("Asteroid map parser failed: %s", err)
}
for expDeg, vals := range map[float64][2]int{
0: {0, -5},
45: {5, -5},
90: {5, 0},
135: {5, 5},
180: {0, 5},
225: {-5, 5},
270: {-5, 0},
315: {-5, -5},
} {
if d := grid.step2deg(vals[0], vals[1]); d != expDeg {
t.Errorf("Step to Degree yield unexpected result for %+v: exp=%.2f got=%.2f", vals, expDeg, d)
}
}
}
func TestCalculateDay10_Part1(t *testing.T) {
count, err := solveDay10Part1("day10_input.txt")
if err != nil {
t.Fatalf("Day 10 solver failed: %s", err)
}
t.Logf("Solution Day 10 Part 1: %d", count)
}
func TestCalculateDay10_Part2(t *testing.T) {
res, err := solveDay10Part2("day10_input.txt")
if err != nil {
t.Fatalf("Day 10 solver failed: %s", err)
}
t.Logf("Solution Day 10 Part 2: %d", res)
}