Day 7 solution

seven/crabs_test.go

@@ -0,0 +1,39 @@
+package seven
+
+import "testing"
+
+func Test_read(t *testing.T) {
+	c := crabs{}
+	if err := c.load("test_input.txt"); err != nil {
+		t.Log(err)
+		t.FailNow()
+	}
+
+	if c.count != 10 {
+		t.Logf("Expected 10 crabs, found %d", c.count)
+		t.Fail()
+	}
+
+}
+
+func Test_align(t *testing.T) {
+	c := crabs{}
+	c.load("test_input.txt")
+
+	fuelUsed := c.align(false)
+	if fuelUsed != 37 {
+		t.Logf("Expected 37 fuel used to align, found %d", fuelUsed)
+		t.Fail()
+	}
+}
+
+func Test_alignNonConstant(t *testing.T) {
+	c := crabs{}
+	c.load("test_input.txt")
+
+	fuelUsed := c.align(true)
+	if fuelUsed != 168 {
+		t.Logf("Expected 168 fuel used to align, found %d", fuelUsed)
+		t.Fail()
+	}
+}