dump 15 17 18

2022/day15/main_test.go

@@ -0,0 +1,78 @@
+package main
+
+import (
+	"testing"
+)
+
+var example = `Sensor at x=2, y=18: closest beacon is at x=-2, y=15
+Sensor at x=9, y=16: closest beacon is at x=10, y=16
+Sensor at x=13, y=2: closest beacon is at x=15, y=3
+Sensor at x=12, y=14: closest beacon is at x=10, y=16
+Sensor at x=10, y=20: closest beacon is at x=10, y=16
+Sensor at x=14, y=17: closest beacon is at x=10, y=16
+Sensor at x=8, y=7: closest beacon is at x=2, y=10
+Sensor at x=2, y=0: closest beacon is at x=2, y=10
+Sensor at x=0, y=11: closest beacon is at x=2, y=10
+Sensor at x=20, y=14: closest beacon is at x=25, y=17
+Sensor at x=17, y=20: closest beacon is at x=21, y=22
+Sensor at x=16, y=7: closest beacon is at x=15, y=3
+Sensor at x=14, y=3: closest beacon is at x=15, y=3
+Sensor at x=20, y=1: closest beacon is at x=15, y=3`
+
+func Test_part1(t *testing.T) {
+	tests := []struct {
+		name      string
+		input     string
+		targetRow int
+		want      int
+	}{
+		{
+			name:      "example",
+			input:     example,
+			targetRow: 10,
+			want:      26,
+		},
+		{
+			name:      "actual",
+			input:     input,
+			targetRow: 2000000,
+			want:      4560025,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := part1(tt.input, tt.targetRow); got != tt.want {
+				t.Errorf("part1() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func Test_part2(t *testing.T) {
+	tests := []struct {
+		name       string
+		input      string
+		coordLimit int
+		want       int
+	}{
+		{
+			name:       "example",
+			input:      example,
+			coordLimit: 20,
+			want:       56000011,
+		},
+		{
+			name:       "actual",
+			input:      input,
+			coordLimit: 4000000,
+			want:       12480406634249,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := part2(tt.input, tt.coordLimit); got != tt.want {
+				t.Errorf("part2() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}