day22, simple block code

day22/block_test.go

@@ -0,0 +1,37 @@
+package day22
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestReadBlock(t *testing.T) {
+	lines := `1,0,1~1,2,1
+0,0,2~2,0,2
+0,2,3~2,2,3
+0,0,4~0,2,4
+2,0,5~2,2,5
+0,1,6~2,1,6
+1,1,8~1,1,9`
+
+	for _, line := range strings.Split(lines, "\n") {
+		b := ReadBlock(line)
+		t.Logf("read %s into block %+v", line, b)
+		t.Logf("XY coords for %+v are : %+v", b, b.getXY())
+	}
+}
+
+func TestReadFile(t *testing.T) {
+	filename := "example"
+	// filename := "input"
+	blocks := ReadBlockFile(filename)
+
+	byZ := BlocksByZ(blocks)
+	for z, zBlocks := range byZ {
+		zBlocksLine := ""
+		for _, block := range zBlocks {
+			zBlocksLine += block.String()
+		}
+		t.Logf("for level %d blocks %+v", z, zBlocksLine)
+	}
+}