1 // Copyright 2020 The Pigweed Authors
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
4 // use this file except in compliance with the License. You may obtain a copy of
5 // the License at
6 //
7 // https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12 // License for the specific language governing permissions and limitations under
13 // the License.
14
15 // When fuzzing is disabled, this test is compiled in place of the fuzzer
16 // binary. It verifies the fuzzer can be built and linked, and that it will not
17 // crash on known, fixed inputs.
18
19 #include <cstddef>
20 #include <cstdint>
21
22 #include "gtest/gtest.h"
23 #include "pw_log/log.h"
24
25 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size);
26
TEST(Fuzzer,EmptyInput)27 TEST(Fuzzer, EmptyInput) {
28 PW_LOG_INFO("Fuzzing is disabled for the current platform and/or compiler.");
29 PW_LOG_INFO("Executing the fuzz target function as a unit test instead.");
30 uint8_t tmp = 0;
31 EXPECT_EQ(LLVMFuzzerTestOneInput(&tmp, 0), 0);
32 EXPECT_EQ(LLVMFuzzerTestOneInput(nullptr, 0), 0);
33 }
34
35 // TODO(pwbug/178): Add support for testing a seed corpus.
36