Function TestTooLongVarstring31

encoding/blockchain/blockchain_test.go:189–198

TestTooLongVarstring31 tests decoding a varstring31 with a leading length too long to fit in memory. Reading such a varstring31 should not try to allocate more memory than feasible.

(t *testing.T)

// length too long to fit in memory. Reading such a varstring31 should
// not try to allocate more memory than feasible.
func TestTooLongVarstring31(t *testing.T) {
	var buf bytes.Buffer
	WriteVarint31(&buf, 0x7fffffff)
	buf.Write([]byte{0x01, 0x02, 0x03})

	_, err := ReadVarstr31(NewReader(buf.Bytes()))
	if err != io.ErrUnexpectedEOF {
		t.Errorf("got %s, want io.ErrUnexpectedEOF", err)
	}
}

func TestVarstrList(t *testing.T) {
	for i := 0; i < 4; i++ {