Function TestProgramGetNextID

prog_test.go:579–604

(t *testing.T)

}

func TestProgramGetNextID(t *testing.T) {
	testutils.SkipOnOldKernel(t, "4.13", "bpf_prog_get_next_id")

	// Ensure there is at least one program loaded
	_ = createBasicProgram(t)

	// As there can be multiple eBPF programs, we loop over all of them and
	// make sure, the IDs increase and the last call will return ErrNotExist
	last := ProgramID(0)
	for {
		next, err := ProgramGetNextID(last)
		if errors.Is(err, os.ErrNotExist) {
			if last == 0 {
				t.Fatal("Got ErrNotExist on the first iteration")
			}
			break
		}
		if err != nil {
			t.Fatal("Unexpected error:", err)
		}
		if next <= last {
			t.Fatalf("Expected next ID (%d) to be higher than the last ID (%d)", next, last)
		}
		last = next
	}
}

func TestNewProgramFromID(t *testing.T) {
	prog := createBasicProgram(t)