Function TestBitWriterReaderSigned

rtcm/bits_test.go:54–76

(t *testing.T)

}

func TestBitWriterReaderSigned(t *testing.T) {
	type field struct {
		val   int32
		width int
	}
	fields := []field{
		{0, 8}, {1, 8}, {-1, 8}, {127, 8}, {-128, 8},
		{-2097152, 22}, {2097151, 22}, // 22-bit signed extremes
		{-8388608, 24}, {8388607, 24}, // 24-bit signed extremes
		{-519, 16}, {12345, 16},
	}

	w := NewBitWriter(64)
	for _, f := range fields {
		w.WriteSignedBits(f.val, f.width)
	}

	r := NewBitReader(w.Bytes())
	for _, f := range fields {
		got := r.ReadSignedBits(f.width)
		require.Equalf(t, f.val, got, "signed round-trip width=%d", f.width)
	}
}

func TestBitReaderSkip(t *testing.T) {
	w := NewBitWriter(16)