day 12

12/12_test.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"testing"
+)
+
+  
+  var tests = []pipedata{
+		{0, []int{2}},
+		{1, []int{1}},
+		{2, []int{0, 3, 4}},
+		{3, []int{2, 4}},
+		{4, []int{2, 3, 6}},
+		{5, []int{6}},
+		{6, []int{4, 5}},
+  }
+
+func TestCountPipes(t *testing.T) {
+		v := CountPipes(tests)
+		if v != 6 {
+		  t.Error(
+			"For", tests,
+			"expected 6",
+			"got", v,
+		  )
+	  }
+}
+
+
+func TestCountGroups(t *testing.T) {
+	seen := make(map[int]int)
+	v,_ := CountGroups(seen, tests)
+  if v != 2 {
+    t.Error(
+    "For", tests,
+    "expected 2",
+    "got", v,
+    )
+  }
+}