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Roman Lebedev320e9af2018-10-30 21:58:54 +00001// This file is distributed under the University of Illinois Open Source
2// License. See LICENSE.TXT for details.
3
4// Test for implicit-signed-integer-truncation-or-sign-change.
5#include <assert.h>
6#include <climits>
7#include <cstddef>
8#include <cstdint>
9#include <cstdlib>
10#include <iostream>
11
12static volatile int8_t Sink;
13static volatile uint32_t Storage = (uint32_t)-1;
14
15extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
16 assert(Data);
17 if (Size > 0 && Data[0] == 'H') {
18 Sink = 1;
19 if (Size > 1 && Data[1] == 'i') {
20 Sink = 2;
21 if (Size > 2 && Data[2] == '!') {
22 Sink = Storage; // 'conversion'.
23 }
24 }
25 }
26 return 0;
27}