add test for #4247

builder/virtualbox/common/step_type_boot_command_test.go

@@ -0,0 +1,29 @@
+package common
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestStepTypeBootCommand_gather(t *testing.T) {
+	input := [][]string{
+		{"02", "82", "wait1", "03", "83"},
+		{"02", "82", "03", "83"},
+		{"wait5", "wait1", "wait10"},
+		{"wait5", "02", "82", "03", "83", "wait1", "wait10"},
+	}
+
+	expected := [][]string{
+		{"02 82", "wait1", "03 83"},
+		{"02 82 03 83"},
+		{"wait5", "wait1", "wait10"},
+		{"wait5", "02 82 03 83", "wait1", "wait10"},
+	}
+
+	for i, data := range input {
+		if !reflect.DeepEqual(gathercodes(data), expected[i]) {
+			t.Fatalf("%#v did not equal expected %#v", data, expected[i])
+		}
+	}
+
+}