Add vent mapping solution

five/seafloor_test.go

@@ -0,0 +1,51 @@
+package five
+
+import "testing"
+
+func Test_read(t *testing.T) {
+	s := seafloor{}
+	if err := s.load("test_input.txt"); err != nil {
+		t.Log(err)
+		t.FailNow()
+	}
+
+	if len(s.input) != 10 {
+		t.Logf("Expected 10 inputs, found %d", len(s.input))
+		t.Fail()
+	}
+}
+
+func Test_mapVents(t *testing.T) {
+	s := seafloor{}
+	s.load("test_input.txt")
+
+	overlap, err := s.mapVents(false)
+
+	if err != nil {
+		t.Log(err)
+		t.FailNow()
+	}
+
+	if overlap != 5 {
+		t.Logf("Expected 5 vent overlaps, found %d", overlap)
+		t.Fail()
+	}
+}
+
+func Test_mapVentsDiagonal(t *testing.T) {
+	s := seafloor{}
+	s.load("test_input.txt")
+
+	overlap, err := s.mapVents(true)
+
+	if err != nil {
+		t.Log(err)
+		t.FailNow()
+	}
+
+	if overlap != 12 {
+		t.Logf("Expected 12 vent overlaps, found %d", overlap)
+		t.Fail()
+	}
+}
+