day22: initial block setting

day22/space_test.go

@@ -0,0 +1,64 @@
+package day22
+
+import "testing"
+
+func TestSpaceSettleSingle(t *testing.T) {
+	filename := "example"
+	blocks := ReadBlockFile(filename)
+	byZ := BlocksByZ(blocks)
+
+	space := NewSpace(byZ)
+	t.Logf("read space %+v", space)
+
+	block := blocks[2]
+	t.Logf("block before setting %+v", block)
+	space.SettleBlock(block)
+	t.Logf("space after settings %+v:\n%+v", block, space)
+}
+
+func TestSpaceSettleSecondNearby(t *testing.T) {
+	filename := "example"
+	blocks := ReadBlockFile(filename)
+	byZ := BlocksByZ(blocks)
+
+	space := NewSpace(byZ)
+	t.Logf("read space %+v", space)
+
+	block1 := blocks[0]
+	block2 := blocks[3]
+	t.Logf("block 1 before setting %+v", block1)
+	space.SettleBlock(block1)
+	t.Logf("space after settling block 1 %+v", space)
+	t.Logf("block 2 before setting %+v", block2)
+	space.SettleBlock(block2)
+	t.Logf("space after settling block 2 %+v", space)
+	t.Logf("space after settling %+v", space)
+}
+
+func TestSpaceSettleThirdOnTopFirst(t *testing.T) {
+	filename := "example"
+	blocks := ReadBlockFile(filename)
+	byZ := BlocksByZ(blocks)
+
+	space := NewSpace(byZ)
+	t.Logf("read space %+v", space)
+
+	block1 := blocks[0]
+	block2 := blocks[3]
+	block3 := blocks[2] // should overlap X & Y coords of block 1
+	t.Logf("block 1 before setting %+v", block1)
+	space.SettleBlock(block1)
+	t.Logf("space after settling block 1 %+v", space)
+	t.Logf("block 2 before setting %+v", block2)
+	space.SettleBlock(block2)
+	t.Logf("space after settling block 2 %+v", space)
+	t.Logf("block 3 before setting %+v", block3)
+	space.SettleBlock(block3)
+	t.Logf("space after settling block 3 %+v", space)
+	t.Logf("space after settling %+v", space)
+
+	t.Logf("blocks 1 & 3 should support it: %+v , %+v", block1.Supports, block2.Supports)
+	// because block 3 is 0-2, 2-2
+	// and that overlaps 1-1, 0-2 AND 0-0, 0-2
+	t.Logf("other blocks should not supt %+v", block3.Supports)
+}