text: package libcontainer
  
  import "testing"
  
  func TestErrorCode(t *testing.T) {
  	codes := map[ErrorCode]string{
  		IdInUse:            "Id already in use",
  		InvalidIdFormat:    "Invalid format",
  		ContainerPaused:    "Container paused",
  		ConfigInvalid:      "Invalid configuration",
  		SystemError:        "System error",
  		ContainerNotExists: "Container does not exist",
  	}
  
  	for code, expected := range codes {
  		if actual := code.String(); actual != expected {
  			t.Fatalf("expected string %q but received %q", expected, actual)
  		}
  	}
  }
  