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-rw-r--r--lib/fuzzer/tests/FuzzerUnittest.cpp932
1 files changed, 932 insertions, 0 deletions
diff --git a/lib/fuzzer/tests/FuzzerUnittest.cpp b/lib/fuzzer/tests/FuzzerUnittest.cpp
new file mode 100644
index 0000000000000..97ec3b4bb6af4
--- /dev/null
+++ b/lib/fuzzer/tests/FuzzerUnittest.cpp
@@ -0,0 +1,932 @@
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+
+// Avoid ODR violations (LibFuzzer is built without ASan and this test is built
+// with ASan) involving C++ standard library types when using libcxx.
+#define _LIBCPP_HAS_NO_ASAN
+
+// Do not attempt to use LLVM ostream from gtest.
+#define GTEST_NO_LLVM_RAW_OSTREAM 1
+
+#include "FuzzerCorpus.h"
+#include "FuzzerDictionary.h"
+#include "FuzzerInternal.h"
+#include "FuzzerMerge.h"
+#include "FuzzerMutate.h"
+#include "FuzzerRandom.h"
+#include "FuzzerTracePC.h"
+#include "gtest/gtest.h"
+#include <memory>
+#include <set>
+#include <sstream>
+
+using namespace fuzzer;
+
+// For now, have LLVMFuzzerTestOneInput just to make it link.
+// Later we may want to make unittests that actually call LLVMFuzzerTestOneInput.
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+ abort();
+}
+
+TEST(Fuzzer, CrossOver) {
+ std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
+ fuzzer::EF = t.get();
+ Random Rand(0);
+ std::unique_ptr<MutationDispatcher> MD(new MutationDispatcher(Rand, {}));
+ Unit A({0, 1, 2}), B({5, 6, 7});
+ Unit C;
+ Unit Expected[] = {
+ { 0 },
+ { 0, 1 },
+ { 0, 5 },
+ { 0, 1, 2 },
+ { 0, 1, 5 },
+ { 0, 5, 1 },
+ { 0, 5, 6 },
+ { 0, 1, 2, 5 },
+ { 0, 1, 5, 2 },
+ { 0, 1, 5, 6 },
+ { 0, 5, 1, 2 },
+ { 0, 5, 1, 6 },
+ { 0, 5, 6, 1 },
+ { 0, 5, 6, 7 },
+ { 0, 1, 2, 5, 6 },
+ { 0, 1, 5, 2, 6 },
+ { 0, 1, 5, 6, 2 },
+ { 0, 1, 5, 6, 7 },
+ { 0, 5, 1, 2, 6 },
+ { 0, 5, 1, 6, 2 },
+ { 0, 5, 1, 6, 7 },
+ { 0, 5, 6, 1, 2 },
+ { 0, 5, 6, 1, 7 },
+ { 0, 5, 6, 7, 1 },
+ { 0, 1, 2, 5, 6, 7 },
+ { 0, 1, 5, 2, 6, 7 },
+ { 0, 1, 5, 6, 2, 7 },
+ { 0, 1, 5, 6, 7, 2 },
+ { 0, 5, 1, 2, 6, 7 },
+ { 0, 5, 1, 6, 2, 7 },
+ { 0, 5, 1, 6, 7, 2 },
+ { 0, 5, 6, 1, 2, 7 },
+ { 0, 5, 6, 1, 7, 2 },
+ { 0, 5, 6, 7, 1, 2 }
+ };
+ for (size_t Len = 1; Len < 8; Len++) {
+ Set<Unit> FoundUnits, ExpectedUnitsWitThisLength;
+ for (int Iter = 0; Iter < 3000; Iter++) {
+ C.resize(Len);
+ size_t NewSize = MD->CrossOver(A.data(), A.size(), B.data(), B.size(),
+ C.data(), C.size());
+ C.resize(NewSize);
+ FoundUnits.insert(C);
+ }
+ for (const Unit &U : Expected)
+ if (U.size() <= Len)
+ ExpectedUnitsWitThisLength.insert(U);
+ EXPECT_EQ(ExpectedUnitsWitThisLength, FoundUnits);
+ }
+}
+
+TEST(Fuzzer, Hash) {
+ uint8_t A[] = {'a', 'b', 'c'};
+ fuzzer::Unit U(A, A + sizeof(A));
+ EXPECT_EQ("a9993e364706816aba3e25717850c26c9cd0d89d", fuzzer::Hash(U));
+ U.push_back('d');
+ EXPECT_EQ("81fe8bfe87576c3ecb22426f8e57847382917acf", fuzzer::Hash(U));
+}
+
+typedef size_t (MutationDispatcher::*Mutator)(uint8_t *Data, size_t Size,
+ size_t MaxSize);
+
+void TestEraseBytes(Mutator M, int NumIter) {
+ std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
+ fuzzer::EF = t.get();
+ uint8_t REM0[8] = {0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
+ uint8_t REM1[8] = {0x00, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
+ uint8_t REM2[8] = {0x00, 0x11, 0x33, 0x44, 0x55, 0x66, 0x77};
+ uint8_t REM3[8] = {0x00, 0x11, 0x22, 0x44, 0x55, 0x66, 0x77};
+ uint8_t REM4[8] = {0x00, 0x11, 0x22, 0x33, 0x55, 0x66, 0x77};
+ uint8_t REM5[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x66, 0x77};
+ uint8_t REM6[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x77};
+ uint8_t REM7[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66};
+
+ uint8_t REM8[6] = {0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
+ uint8_t REM9[6] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55};
+ uint8_t REM10[6] = {0x00, 0x11, 0x22, 0x55, 0x66, 0x77};
+
+ uint8_t REM11[5] = {0x33, 0x44, 0x55, 0x66, 0x77};
+ uint8_t REM12[5] = {0x00, 0x11, 0x22, 0x33, 0x44};
+ uint8_t REM13[5] = {0x00, 0x44, 0x55, 0x66, 0x77};
+
+
+ Random Rand(0);
+ std::unique_ptr<MutationDispatcher> MD(new MutationDispatcher(Rand, {}));
+ int FoundMask = 0;
+ for (int i = 0; i < NumIter; i++) {
+ uint8_t T[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
+ size_t NewSize = (*MD.*M)(T, sizeof(T), sizeof(T));
+ if (NewSize == 7 && !memcmp(REM0, T, 7)) FoundMask |= 1 << 0;
+ if (NewSize == 7 && !memcmp(REM1, T, 7)) FoundMask |= 1 << 1;
+ if (NewSize == 7 && !memcmp(REM2, T, 7)) FoundMask |= 1 << 2;
+ if (NewSize == 7 && !memcmp(REM3, T, 7)) FoundMask |= 1 << 3;
+ if (NewSize == 7 && !memcmp(REM4, T, 7)) FoundMask |= 1 << 4;
+ if (NewSize == 7 && !memcmp(REM5, T, 7)) FoundMask |= 1 << 5;
+ if (NewSize == 7 && !memcmp(REM6, T, 7)) FoundMask |= 1 << 6;
+ if (NewSize == 7 && !memcmp(REM7, T, 7)) FoundMask |= 1 << 7;
+
+ if (NewSize == 6 && !memcmp(REM8, T, 6)) FoundMask |= 1 << 8;
+ if (NewSize == 6 && !memcmp(REM9, T, 6)) FoundMask |= 1 << 9;
+ if (NewSize == 6 && !memcmp(REM10, T, 6)) FoundMask |= 1 << 10;
+
+ if (NewSize == 5 && !memcmp(REM11, T, 5)) FoundMask |= 1 << 11;
+ if (NewSize == 5 && !memcmp(REM12, T, 5)) FoundMask |= 1 << 12;
+ if (NewSize == 5 && !memcmp(REM13, T, 5)) FoundMask |= 1 << 13;
+ }
+ EXPECT_EQ(FoundMask, (1 << 14) - 1);
+}
+
+TEST(FuzzerMutate, EraseBytes1) {
+ TestEraseBytes(&MutationDispatcher::Mutate_EraseBytes, 200);
+}
+TEST(FuzzerMutate, EraseBytes2) {
+ TestEraseBytes(&MutationDispatcher::Mutate, 2000);
+}
+
+void TestInsertByte(Mutator M, int NumIter) {
+ std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
+ fuzzer::EF = t.get();
+ Random Rand(0);
+ std::unique_ptr<MutationDispatcher> MD(new MutationDispatcher(Rand, {}));
+ int FoundMask = 0;
+ uint8_t INS0[8] = {0xF1, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66};
+ uint8_t INS1[8] = {0x00, 0xF2, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66};
+ uint8_t INS2[8] = {0x00, 0x11, 0xF3, 0x22, 0x33, 0x44, 0x55, 0x66};
+ uint8_t INS3[8] = {0x00, 0x11, 0x22, 0xF4, 0x33, 0x44, 0x55, 0x66};
+ uint8_t INS4[8] = {0x00, 0x11, 0x22, 0x33, 0xF5, 0x44, 0x55, 0x66};
+ uint8_t INS5[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0xF6, 0x55, 0x66};
+ uint8_t INS6[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0xF7, 0x66};
+ uint8_t INS7[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0xF8};
+ for (int i = 0; i < NumIter; i++) {
+ uint8_t T[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66};
+ size_t NewSize = (*MD.*M)(T, 7, 8);
+ if (NewSize == 8 && !memcmp(INS0, T, 8)) FoundMask |= 1 << 0;
+ if (NewSize == 8 && !memcmp(INS1, T, 8)) FoundMask |= 1 << 1;
+ if (NewSize == 8 && !memcmp(INS2, T, 8)) FoundMask |= 1 << 2;
+ if (NewSize == 8 && !memcmp(INS3, T, 8)) FoundMask |= 1 << 3;
+ if (NewSize == 8 && !memcmp(INS4, T, 8)) FoundMask |= 1 << 4;
+ if (NewSize == 8 && !memcmp(INS5, T, 8)) FoundMask |= 1 << 5;
+ if (NewSize == 8 && !memcmp(INS6, T, 8)) FoundMask |= 1 << 6;
+ if (NewSize == 8 && !memcmp(INS7, T, 8)) FoundMask |= 1 << 7;
+ }
+ EXPECT_EQ(FoundMask, 255);
+}
+
+TEST(FuzzerMutate, InsertByte1) {
+ TestInsertByte(&MutationDispatcher::Mutate_InsertByte, 1 << 15);
+}
+TEST(FuzzerMutate, InsertByte2) {
+ TestInsertByte(&MutationDispatcher::Mutate, 1 << 17);
+}
+
+void TestInsertRepeatedBytes(Mutator M, int NumIter) {
+ std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
+ fuzzer::EF = t.get();
+ Random Rand(0);
+ std::unique_ptr<MutationDispatcher> MD(new MutationDispatcher(Rand, {}));
+ int FoundMask = 0;
+ uint8_t INS0[7] = {0x00, 0x11, 0x22, 0x33, 'a', 'a', 'a'};
+ uint8_t INS1[7] = {0x00, 0x11, 0x22, 'a', 'a', 'a', 0x33};
+ uint8_t INS2[7] = {0x00, 0x11, 'a', 'a', 'a', 0x22, 0x33};
+ uint8_t INS3[7] = {0x00, 'a', 'a', 'a', 0x11, 0x22, 0x33};
+ uint8_t INS4[7] = {'a', 'a', 'a', 0x00, 0x11, 0x22, 0x33};
+
+ uint8_t INS5[8] = {0x00, 0x11, 0x22, 0x33, 'b', 'b', 'b', 'b'};
+ uint8_t INS6[8] = {0x00, 0x11, 0x22, 'b', 'b', 'b', 'b', 0x33};
+ uint8_t INS7[8] = {0x00, 0x11, 'b', 'b', 'b', 'b', 0x22, 0x33};
+ uint8_t INS8[8] = {0x00, 'b', 'b', 'b', 'b', 0x11, 0x22, 0x33};
+ uint8_t INS9[8] = {'b', 'b', 'b', 'b', 0x00, 0x11, 0x22, 0x33};
+
+ for (int i = 0; i < NumIter; i++) {
+ uint8_t T[8] = {0x00, 0x11, 0x22, 0x33};
+ size_t NewSize = (*MD.*M)(T, 4, 8);
+ if (NewSize == 7 && !memcmp(INS0, T, 7)) FoundMask |= 1 << 0;
+ if (NewSize == 7 && !memcmp(INS1, T, 7)) FoundMask |= 1 << 1;
+ if (NewSize == 7 && !memcmp(INS2, T, 7)) FoundMask |= 1 << 2;
+ if (NewSize == 7 && !memcmp(INS3, T, 7)) FoundMask |= 1 << 3;
+ if (NewSize == 7 && !memcmp(INS4, T, 7)) FoundMask |= 1 << 4;
+
+ if (NewSize == 8 && !memcmp(INS5, T, 8)) FoundMask |= 1 << 5;
+ if (NewSize == 8 && !memcmp(INS6, T, 8)) FoundMask |= 1 << 6;
+ if (NewSize == 8 && !memcmp(INS7, T, 8)) FoundMask |= 1 << 7;
+ if (NewSize == 8 && !memcmp(INS8, T, 8)) FoundMask |= 1 << 8;
+ if (NewSize == 8 && !memcmp(INS9, T, 8)) FoundMask |= 1 << 9;
+
+ }
+ EXPECT_EQ(FoundMask, (1 << 10) - 1);
+}
+
+TEST(FuzzerMutate, InsertRepeatedBytes1) {
+ TestInsertRepeatedBytes(&MutationDispatcher::Mutate_InsertRepeatedBytes, 10000);
+}
+TEST(FuzzerMutate, InsertRepeatedBytes2) {
+ TestInsertRepeatedBytes(&MutationDispatcher::Mutate, 300000);
+}
+
+void TestChangeByte(Mutator M, int NumIter) {
+ std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
+ fuzzer::EF = t.get();
+ Random Rand(0);
+ std::unique_ptr<MutationDispatcher> MD(new MutationDispatcher(Rand, {}));
+ int FoundMask = 0;
+ uint8_t CH0[8] = {0xF0, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
+ uint8_t CH1[8] = {0x00, 0xF1, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
+ uint8_t CH2[8] = {0x00, 0x11, 0xF2, 0x33, 0x44, 0x55, 0x66, 0x77};
+ uint8_t CH3[8] = {0x00, 0x11, 0x22, 0xF3, 0x44, 0x55, 0x66, 0x77};
+ uint8_t CH4[8] = {0x00, 0x11, 0x22, 0x33, 0xF4, 0x55, 0x66, 0x77};
+ uint8_t CH5[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0xF5, 0x66, 0x77};
+ uint8_t CH6[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0xF5, 0x77};
+ uint8_t CH7[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0xF7};
+ for (int i = 0; i < NumIter; i++) {
+ uint8_t T[9] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
+ size_t NewSize = (*MD.*M)(T, 8, 9);
+ if (NewSize == 8 && !memcmp(CH0, T, 8)) FoundMask |= 1 << 0;
+ if (NewSize == 8 && !memcmp(CH1, T, 8)) FoundMask |= 1 << 1;
+ if (NewSize == 8 && !memcmp(CH2, T, 8)) FoundMask |= 1 << 2;
+ if (NewSize == 8 && !memcmp(CH3, T, 8)) FoundMask |= 1 << 3;
+ if (NewSize == 8 && !memcmp(CH4, T, 8)) FoundMask |= 1 << 4;
+ if (NewSize == 8 && !memcmp(CH5, T, 8)) FoundMask |= 1 << 5;
+ if (NewSize == 8 && !memcmp(CH6, T, 8)) FoundMask |= 1 << 6;
+ if (NewSize == 8 && !memcmp(CH7, T, 8)) FoundMask |= 1 << 7;
+ }
+ EXPECT_EQ(FoundMask, 255);
+}
+
+TEST(FuzzerMutate, ChangeByte1) {
+ TestChangeByte(&MutationDispatcher::Mutate_ChangeByte, 1 << 15);
+}
+TEST(FuzzerMutate, ChangeByte2) {
+ TestChangeByte(&MutationDispatcher::Mutate, 1 << 17);
+}
+
+void TestChangeBit(Mutator M, int NumIter) {
+ std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
+ fuzzer::EF = t.get();
+ Random Rand(0);
+ std::unique_ptr<MutationDispatcher> MD(new MutationDispatcher(Rand, {}));
+ int FoundMask = 0;
+ uint8_t CH0[8] = {0x01, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
+ uint8_t CH1[8] = {0x00, 0x13, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
+ uint8_t CH2[8] = {0x00, 0x11, 0x02, 0x33, 0x44, 0x55, 0x66, 0x77};
+ uint8_t CH3[8] = {0x00, 0x11, 0x22, 0x37, 0x44, 0x55, 0x66, 0x77};
+ uint8_t CH4[8] = {0x00, 0x11, 0x22, 0x33, 0x54, 0x55, 0x66, 0x77};
+ uint8_t CH5[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x54, 0x66, 0x77};
+ uint8_t CH6[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x76, 0x77};
+ uint8_t CH7[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0xF7};
+ for (int i = 0; i < NumIter; i++) {
+ uint8_t T[9] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
+ size_t NewSize = (*MD.*M)(T, 8, 9);
+ if (NewSize == 8 && !memcmp(CH0, T, 8)) FoundMask |= 1 << 0;
+ if (NewSize == 8 && !memcmp(CH1, T, 8)) FoundMask |= 1 << 1;
+ if (NewSize == 8 && !memcmp(CH2, T, 8)) FoundMask |= 1 << 2;
+ if (NewSize == 8 && !memcmp(CH3, T, 8)) FoundMask |= 1 << 3;
+ if (NewSize == 8 && !memcmp(CH4, T, 8)) FoundMask |= 1 << 4;
+ if (NewSize == 8 && !memcmp(CH5, T, 8)) FoundMask |= 1 << 5;
+ if (NewSize == 8 && !memcmp(CH6, T, 8)) FoundMask |= 1 << 6;
+ if (NewSize == 8 && !memcmp(CH7, T, 8)) FoundMask |= 1 << 7;
+ }
+ EXPECT_EQ(FoundMask, 255);
+}
+
+TEST(FuzzerMutate, ChangeBit1) {
+ TestChangeBit(&MutationDispatcher::Mutate_ChangeBit, 1 << 16);
+}
+TEST(FuzzerMutate, ChangeBit2) {
+ TestChangeBit(&MutationDispatcher::Mutate, 1 << 18);
+}
+
+void TestShuffleBytes(Mutator M, int NumIter) {
+ std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
+ fuzzer::EF = t.get();
+ Random Rand(0);
+ std::unique_ptr<MutationDispatcher> MD(new MutationDispatcher(Rand, {}));
+ int FoundMask = 0;
+ uint8_t CH0[7] = {0x00, 0x22, 0x11, 0x33, 0x44, 0x55, 0x66};
+ uint8_t CH1[7] = {0x11, 0x00, 0x33, 0x22, 0x44, 0x55, 0x66};
+ uint8_t CH2[7] = {0x00, 0x33, 0x11, 0x22, 0x44, 0x55, 0x66};
+ uint8_t CH3[7] = {0x00, 0x11, 0x22, 0x44, 0x55, 0x66, 0x33};
+ uint8_t CH4[7] = {0x00, 0x11, 0x22, 0x33, 0x55, 0x44, 0x66};
+ for (int i = 0; i < NumIter; i++) {
+ uint8_t T[7] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66};
+ size_t NewSize = (*MD.*M)(T, 7, 7);
+ if (NewSize == 7 && !memcmp(CH0, T, 7)) FoundMask |= 1 << 0;
+ if (NewSize == 7 && !memcmp(CH1, T, 7)) FoundMask |= 1 << 1;
+ if (NewSize == 7 && !memcmp(CH2, T, 7)) FoundMask |= 1 << 2;
+ if (NewSize == 7 && !memcmp(CH3, T, 7)) FoundMask |= 1 << 3;
+ if (NewSize == 7 && !memcmp(CH4, T, 7)) FoundMask |= 1 << 4;
+ }
+ EXPECT_EQ(FoundMask, 31);
+}
+
+TEST(FuzzerMutate, ShuffleBytes1) {
+ TestShuffleBytes(&MutationDispatcher::Mutate_ShuffleBytes, 1 << 16);
+}
+TEST(FuzzerMutate, ShuffleBytes2) {
+ TestShuffleBytes(&MutationDispatcher::Mutate, 1 << 20);
+}
+
+void TestCopyPart(Mutator M, int NumIter) {
+ std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
+ fuzzer::EF = t.get();
+ Random Rand(0);
+ std::unique_ptr<MutationDispatcher> MD(new MutationDispatcher(Rand, {}));
+ int FoundMask = 0;
+ uint8_t CH0[7] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x00, 0x11};
+ uint8_t CH1[7] = {0x55, 0x66, 0x22, 0x33, 0x44, 0x55, 0x66};
+ uint8_t CH2[7] = {0x00, 0x55, 0x66, 0x33, 0x44, 0x55, 0x66};
+ uint8_t CH3[7] = {0x00, 0x11, 0x22, 0x00, 0x11, 0x22, 0x66};
+ uint8_t CH4[7] = {0x00, 0x11, 0x11, 0x22, 0x33, 0x55, 0x66};
+
+ for (int i = 0; i < NumIter; i++) {
+ uint8_t T[7] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66};
+ size_t NewSize = (*MD.*M)(T, 7, 7);
+ if (NewSize == 7 && !memcmp(CH0, T, 7)) FoundMask |= 1 << 0;
+ if (NewSize == 7 && !memcmp(CH1, T, 7)) FoundMask |= 1 << 1;
+ if (NewSize == 7 && !memcmp(CH2, T, 7)) FoundMask |= 1 << 2;
+ if (NewSize == 7 && !memcmp(CH3, T, 7)) FoundMask |= 1 << 3;
+ if (NewSize == 7 && !memcmp(CH4, T, 7)) FoundMask |= 1 << 4;
+ }
+
+ uint8_t CH5[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x00, 0x11, 0x22};
+ uint8_t CH6[8] = {0x22, 0x33, 0x44, 0x00, 0x11, 0x22, 0x33, 0x44};
+ uint8_t CH7[8] = {0x00, 0x11, 0x22, 0x00, 0x11, 0x22, 0x33, 0x44};
+ uint8_t CH8[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x22, 0x33, 0x44};
+ uint8_t CH9[8] = {0x00, 0x11, 0x22, 0x22, 0x33, 0x44, 0x33, 0x44};
+
+ for (int i = 0; i < NumIter; i++) {
+ uint8_t T[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
+ size_t NewSize = (*MD.*M)(T, 5, 8);
+ if (NewSize == 8 && !memcmp(CH5, T, 8)) FoundMask |= 1 << 5;
+ if (NewSize == 8 && !memcmp(CH6, T, 8)) FoundMask |= 1 << 6;
+ if (NewSize == 8 && !memcmp(CH7, T, 8)) FoundMask |= 1 << 7;
+ if (NewSize == 8 && !memcmp(CH8, T, 8)) FoundMask |= 1 << 8;
+ if (NewSize == 8 && !memcmp(CH9, T, 8)) FoundMask |= 1 << 9;
+ }
+
+ EXPECT_EQ(FoundMask, 1023);
+}
+
+TEST(FuzzerMutate, CopyPart1) {
+ TestCopyPart(&MutationDispatcher::Mutate_CopyPart, 1 << 10);
+}
+TEST(FuzzerMutate, CopyPart2) {
+ TestCopyPart(&MutationDispatcher::Mutate, 1 << 13);
+}
+
+void TestAddWordFromDictionary(Mutator M, int NumIter) {
+ std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
+ fuzzer::EF = t.get();
+ Random Rand(0);
+ std::unique_ptr<MutationDispatcher> MD(new MutationDispatcher(Rand, {}));
+ uint8_t Word1[4] = {0xAA, 0xBB, 0xCC, 0xDD};
+ uint8_t Word2[3] = {0xFF, 0xEE, 0xEF};
+ MD->AddWordToManualDictionary(Word(Word1, sizeof(Word1)));
+ MD->AddWordToManualDictionary(Word(Word2, sizeof(Word2)));
+ int FoundMask = 0;
+ uint8_t CH0[7] = {0x00, 0x11, 0x22, 0xAA, 0xBB, 0xCC, 0xDD};
+ uint8_t CH1[7] = {0x00, 0x11, 0xAA, 0xBB, 0xCC, 0xDD, 0x22};
+ uint8_t CH2[7] = {0x00, 0xAA, 0xBB, 0xCC, 0xDD, 0x11, 0x22};
+ uint8_t CH3[7] = {0xAA, 0xBB, 0xCC, 0xDD, 0x00, 0x11, 0x22};
+ uint8_t CH4[6] = {0x00, 0x11, 0x22, 0xFF, 0xEE, 0xEF};
+ uint8_t CH5[6] = {0x00, 0x11, 0xFF, 0xEE, 0xEF, 0x22};
+ uint8_t CH6[6] = {0x00, 0xFF, 0xEE, 0xEF, 0x11, 0x22};
+ uint8_t CH7[6] = {0xFF, 0xEE, 0xEF, 0x00, 0x11, 0x22};
+ for (int i = 0; i < NumIter; i++) {
+ uint8_t T[7] = {0x00, 0x11, 0x22};
+ size_t NewSize = (*MD.*M)(T, 3, 7);
+ if (NewSize == 7 && !memcmp(CH0, T, 7)) FoundMask |= 1 << 0;
+ if (NewSize == 7 && !memcmp(CH1, T, 7)) FoundMask |= 1 << 1;
+ if (NewSize == 7 && !memcmp(CH2, T, 7)) FoundMask |= 1 << 2;
+ if (NewSize == 7 && !memcmp(CH3, T, 7)) FoundMask |= 1 << 3;
+ if (NewSize == 6 && !memcmp(CH4, T, 6)) FoundMask |= 1 << 4;
+ if (NewSize == 6 && !memcmp(CH5, T, 6)) FoundMask |= 1 << 5;
+ if (NewSize == 6 && !memcmp(CH6, T, 6)) FoundMask |= 1 << 6;
+ if (NewSize == 6 && !memcmp(CH7, T, 6)) FoundMask |= 1 << 7;
+ }
+ EXPECT_EQ(FoundMask, 255);
+}
+
+TEST(FuzzerMutate, AddWordFromDictionary1) {
+ TestAddWordFromDictionary(
+ &MutationDispatcher::Mutate_AddWordFromManualDictionary, 1 << 15);
+}
+
+TEST(FuzzerMutate, AddWordFromDictionary2) {
+ TestAddWordFromDictionary(&MutationDispatcher::Mutate, 1 << 15);
+}
+
+void TestChangeASCIIInteger(Mutator M, int NumIter) {
+ std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
+ fuzzer::EF = t.get();
+ Random Rand(0);
+ std::unique_ptr<MutationDispatcher> MD(new MutationDispatcher(Rand, {}));
+
+ uint8_t CH0[8] = {'1', '2', '3', '4', '5', '6', '7', '7'};
+ uint8_t CH1[8] = {'1', '2', '3', '4', '5', '6', '7', '9'};
+ uint8_t CH2[8] = {'2', '4', '6', '9', '1', '3', '5', '6'};
+ uint8_t CH3[8] = {'0', '6', '1', '7', '2', '8', '3', '9'};
+ int FoundMask = 0;
+ for (int i = 0; i < NumIter; i++) {
+ uint8_t T[8] = {'1', '2', '3', '4', '5', '6', '7', '8'};
+ size_t NewSize = (*MD.*M)(T, 8, 8);
+ /**/ if (NewSize == 8 && !memcmp(CH0, T, 8)) FoundMask |= 1 << 0;
+ else if (NewSize == 8 && !memcmp(CH1, T, 8)) FoundMask |= 1 << 1;
+ else if (NewSize == 8 && !memcmp(CH2, T, 8)) FoundMask |= 1 << 2;
+ else if (NewSize == 8 && !memcmp(CH3, T, 8)) FoundMask |= 1 << 3;
+ else if (NewSize == 8) FoundMask |= 1 << 4;
+ }
+ EXPECT_EQ(FoundMask, 31);
+}
+
+TEST(FuzzerMutate, ChangeASCIIInteger1) {
+ TestChangeASCIIInteger(&MutationDispatcher::Mutate_ChangeASCIIInteger,
+ 1 << 15);
+}
+
+TEST(FuzzerMutate, ChangeASCIIInteger2) {
+ TestChangeASCIIInteger(&MutationDispatcher::Mutate, 1 << 15);
+}
+
+void TestChangeBinaryInteger(Mutator M, int NumIter) {
+ std::unique_ptr<ExternalFunctions> t(new ExternalFunctions());
+ fuzzer::EF = t.get();
+ Random Rand(0);
+ std::unique_ptr<MutationDispatcher> MD(new MutationDispatcher(Rand, {}));
+
+ uint8_t CH0[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x79};
+ uint8_t CH1[8] = {0x00, 0x11, 0x22, 0x31, 0x44, 0x55, 0x66, 0x77};
+ uint8_t CH2[8] = {0xff, 0x10, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
+ uint8_t CH3[8] = {0x00, 0x11, 0x2a, 0x33, 0x44, 0x55, 0x66, 0x77};
+ uint8_t CH4[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x4f, 0x66, 0x77};
+ uint8_t CH5[8] = {0xff, 0xee, 0xdd, 0xcc, 0xbb, 0xaa, 0x99, 0x88};
+ uint8_t CH6[8] = {0x00, 0x11, 0x22, 0x00, 0x00, 0x00, 0x08, 0x77}; // Size
+ uint8_t CH7[8] = {0x00, 0x08, 0x00, 0x33, 0x44, 0x55, 0x66, 0x77}; // Sw(Size)
+
+ int FoundMask = 0;
+ for (int i = 0; i < NumIter; i++) {
+ uint8_t T[8] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77};
+ size_t NewSize = (*MD.*M)(T, 8, 8);
+ /**/ if (NewSize == 8 && !memcmp(CH0, T, 8)) FoundMask |= 1 << 0;
+ else if (NewSize == 8 && !memcmp(CH1, T, 8)) FoundMask |= 1 << 1;
+ else if (NewSize == 8 && !memcmp(CH2, T, 8)) FoundMask |= 1 << 2;
+ else if (NewSize == 8 && !memcmp(CH3, T, 8)) FoundMask |= 1 << 3;
+ else if (NewSize == 8 && !memcmp(CH4, T, 8)) FoundMask |= 1 << 4;
+ else if (NewSize == 8 && !memcmp(CH5, T, 8)) FoundMask |= 1 << 5;
+ else if (NewSize == 8 && !memcmp(CH6, T, 8)) FoundMask |= 1 << 6;
+ else if (NewSize == 8 && !memcmp(CH7, T, 8)) FoundMask |= 1 << 7;
+ }
+ EXPECT_EQ(FoundMask, 255);
+}
+
+TEST(FuzzerMutate, ChangeBinaryInteger1) {
+ TestChangeBinaryInteger(&MutationDispatcher::Mutate_ChangeBinaryInteger,
+ 1 << 12);
+}
+
+TEST(FuzzerMutate, ChangeBinaryInteger2) {
+ TestChangeBinaryInteger(&MutationDispatcher::Mutate, 1 << 15);
+}
+
+
+TEST(FuzzerDictionary, ParseOneDictionaryEntry) {
+ Unit U;
+ EXPECT_FALSE(ParseOneDictionaryEntry("", &U));
+ EXPECT_FALSE(ParseOneDictionaryEntry(" ", &U));
+ EXPECT_FALSE(ParseOneDictionaryEntry("\t ", &U));
+ EXPECT_FALSE(ParseOneDictionaryEntry(" \" ", &U));
+ EXPECT_FALSE(ParseOneDictionaryEntry(" zz\" ", &U));
+ EXPECT_FALSE(ParseOneDictionaryEntry(" \"zz ", &U));
+ EXPECT_FALSE(ParseOneDictionaryEntry(" \"\" ", &U));
+ EXPECT_TRUE(ParseOneDictionaryEntry("\"a\"", &U));
+ EXPECT_EQ(U, Unit({'a'}));
+ EXPECT_TRUE(ParseOneDictionaryEntry("\"abc\"", &U));
+ EXPECT_EQ(U, Unit({'a', 'b', 'c'}));
+ EXPECT_TRUE(ParseOneDictionaryEntry("abc=\"abc\"", &U));
+ EXPECT_EQ(U, Unit({'a', 'b', 'c'}));
+ EXPECT_FALSE(ParseOneDictionaryEntry("\"\\\"", &U));
+ EXPECT_TRUE(ParseOneDictionaryEntry("\"\\\\\"", &U));
+ EXPECT_EQ(U, Unit({'\\'}));
+ EXPECT_TRUE(ParseOneDictionaryEntry("\"\\xAB\"", &U));
+ EXPECT_EQ(U, Unit({0xAB}));
+ EXPECT_TRUE(ParseOneDictionaryEntry("\"\\xABz\\xDE\"", &U));
+ EXPECT_EQ(U, Unit({0xAB, 'z', 0xDE}));
+ EXPECT_TRUE(ParseOneDictionaryEntry("\"#\"", &U));
+ EXPECT_EQ(U, Unit({'#'}));
+ EXPECT_TRUE(ParseOneDictionaryEntry("\"\\\"\"", &U));
+ EXPECT_EQ(U, Unit({'"'}));
+}
+
+TEST(FuzzerDictionary, ParseDictionaryFile) {
+ Vector<Unit> Units;
+ EXPECT_FALSE(ParseDictionaryFile("zzz\n", &Units));
+ EXPECT_FALSE(ParseDictionaryFile("", &Units));
+ EXPECT_TRUE(ParseDictionaryFile("\n", &Units));
+ EXPECT_EQ(Units.size(), 0U);
+ EXPECT_TRUE(ParseDictionaryFile("#zzzz a b c d\n", &Units));
+ EXPECT_EQ(Units.size(), 0U);
+ EXPECT_TRUE(ParseDictionaryFile(" #zzzz\n", &Units));
+ EXPECT_EQ(Units.size(), 0U);
+ EXPECT_TRUE(ParseDictionaryFile(" #zzzz\n", &Units));
+ EXPECT_EQ(Units.size(), 0U);
+ EXPECT_TRUE(ParseDictionaryFile(" #zzzz\naaa=\"aa\"", &Units));
+ EXPECT_EQ(Units, Vector<Unit>({Unit({'a', 'a'})}));
+ EXPECT_TRUE(
+ ParseDictionaryFile(" #zzzz\naaa=\"aa\"\n\nabc=\"abc\"", &Units));
+ EXPECT_EQ(Units,
+ Vector<Unit>({Unit({'a', 'a'}), Unit({'a', 'b', 'c'})}));
+}
+
+TEST(FuzzerUtil, Base64) {
+ EXPECT_EQ("", Base64({}));
+ EXPECT_EQ("YQ==", Base64({'a'}));
+ EXPECT_EQ("eA==", Base64({'x'}));
+ EXPECT_EQ("YWI=", Base64({'a', 'b'}));
+ EXPECT_EQ("eHk=", Base64({'x', 'y'}));
+ EXPECT_EQ("YWJj", Base64({'a', 'b', 'c'}));
+ EXPECT_EQ("eHl6", Base64({'x', 'y', 'z'}));
+ EXPECT_EQ("YWJjeA==", Base64({'a', 'b', 'c', 'x'}));
+ EXPECT_EQ("YWJjeHk=", Base64({'a', 'b', 'c', 'x', 'y'}));
+ EXPECT_EQ("YWJjeHl6", Base64({'a', 'b', 'c', 'x', 'y', 'z'}));
+}
+
+TEST(Corpus, Distribution) {
+ Random Rand(0);
+ std::unique_ptr<InputCorpus> C(new InputCorpus(""));
+ size_t N = 10;
+ size_t TriesPerUnit = 1<<16;
+ for (size_t i = 0; i < N; i++)
+ C->AddToCorpus(Unit{ static_cast<uint8_t>(i) }, 1, false, {});
+
+ Vector<size_t> Hist(N);
+ for (size_t i = 0; i < N * TriesPerUnit; i++) {
+ Hist[C->ChooseUnitIdxToMutate(Rand)]++;
+ }
+ for (size_t i = 0; i < N; i++) {
+ // A weak sanity check that every unit gets invoked.
+ EXPECT_GT(Hist[i], TriesPerUnit / N / 3);
+ }
+}
+
+TEST(Merge, Bad) {
+ const char *kInvalidInputs[] = {
+ "",
+ "x",
+ "3\nx",
+ "2\n3",
+ "2\n2",
+ "2\n2\nA\n",
+ "2\n2\nA\nB\nC\n",
+ "0\n0\n",
+ "1\n1\nA\nDONE 0",
+ "1\n1\nA\nSTARTED 1",
+ };
+ Merger M;
+ for (auto S : kInvalidInputs) {
+ // fprintf(stderr, "TESTING:\n%s\n", S);
+ EXPECT_FALSE(M.Parse(S, false));
+ }
+}
+
+void EQ(const Vector<uint32_t> &A, const Vector<uint32_t> &B) {
+ EXPECT_EQ(A, B);
+}
+
+void EQ(const Vector<std::string> &A, const Vector<std::string> &B) {
+ Set<std::string> a(A.begin(), A.end());
+ Set<std::string> b(B.begin(), B.end());
+ EXPECT_EQ(a, b);
+}
+
+static void Merge(const std::string &Input,
+ const Vector<std::string> Result,
+ size_t NumNewFeatures) {
+ Merger M;
+ Vector<std::string> NewFiles;
+ EXPECT_TRUE(M.Parse(Input, true));
+ std::stringstream SS;
+ M.PrintSummary(SS);
+ EXPECT_EQ(NumNewFeatures, M.Merge(&NewFiles));
+ EXPECT_EQ(M.AllFeatures(), M.ParseSummary(SS));
+ EQ(NewFiles, Result);
+}
+
+TEST(Merge, Good) {
+ Merger M;
+
+ EXPECT_TRUE(M.Parse("1\n0\nAA\n", false));
+ EXPECT_EQ(M.Files.size(), 1U);
+ EXPECT_EQ(M.NumFilesInFirstCorpus, 0U);
+ EXPECT_EQ(M.Files[0].Name, "AA");
+ EXPECT_TRUE(M.LastFailure.empty());
+ EXPECT_EQ(M.FirstNotProcessedFile, 0U);
+
+ EXPECT_TRUE(M.Parse("2\n1\nAA\nBB\nSTARTED 0 42\n", false));
+ EXPECT_EQ(M.Files.size(), 2U);
+ EXPECT_EQ(M.NumFilesInFirstCorpus, 1U);
+ EXPECT_EQ(M.Files[0].Name, "AA");
+ EXPECT_EQ(M.Files[1].Name, "BB");
+ EXPECT_EQ(M.LastFailure, "AA");
+ EXPECT_EQ(M.FirstNotProcessedFile, 1U);
+
+ EXPECT_TRUE(M.Parse("3\n1\nAA\nBB\nC\n"
+ "STARTED 0 1000\n"
+ "DONE 0 1 2 3\n"
+ "STARTED 1 1001\n"
+ "DONE 1 4 5 6 \n"
+ "STARTED 2 1002\n"
+ "", true));
+ EXPECT_EQ(M.Files.size(), 3U);
+ EXPECT_EQ(M.NumFilesInFirstCorpus, 1U);
+ EXPECT_EQ(M.Files[0].Name, "AA");
+ EXPECT_EQ(M.Files[0].Size, 1000U);
+ EXPECT_EQ(M.Files[1].Name, "BB");
+ EXPECT_EQ(M.Files[1].Size, 1001U);
+ EXPECT_EQ(M.Files[2].Name, "C");
+ EXPECT_EQ(M.Files[2].Size, 1002U);
+ EXPECT_EQ(M.LastFailure, "C");
+ EXPECT_EQ(M.FirstNotProcessedFile, 3U);
+ EQ(M.Files[0].Features, {1, 2, 3});
+ EQ(M.Files[1].Features, {4, 5, 6});
+
+
+ Vector<std::string> NewFiles;
+
+ EXPECT_TRUE(M.Parse("3\n2\nAA\nBB\nC\n"
+ "STARTED 0 1000\nDONE 0 1 2 3\n"
+ "STARTED 1 1001\nDONE 1 4 5 6 \n"
+ "STARTED 2 1002\nDONE 2 6 1 3 \n"
+ "", true));
+ EXPECT_EQ(M.Files.size(), 3U);
+ EXPECT_EQ(M.NumFilesInFirstCorpus, 2U);
+ EXPECT_TRUE(M.LastFailure.empty());
+ EXPECT_EQ(M.FirstNotProcessedFile, 3U);
+ EQ(M.Files[0].Features, {1, 2, 3});
+ EQ(M.Files[1].Features, {4, 5, 6});
+ EQ(M.Files[2].Features, {1, 3, 6});
+ EXPECT_EQ(0U, M.Merge(&NewFiles));
+ EQ(NewFiles, {});
+
+ EXPECT_TRUE(M.Parse("3\n1\nA\nB\nC\n"
+ "STARTED 0 1000\nDONE 0 1 2 3\n"
+ "STARTED 1 1001\nDONE 1 4 5 6 \n"
+ "STARTED 2 1002\nDONE 2 6 1 3\n"
+ "", true));
+ EQ(M.Files[0].Features, {1, 2, 3});
+ EQ(M.Files[1].Features, {4, 5, 6});
+ EQ(M.Files[2].Features, {1, 3, 6});
+ EXPECT_EQ(3U, M.Merge(&NewFiles));
+ EQ(NewFiles, {"B"});
+
+ // Same as the above, but with InitialFeatures.
+ EXPECT_TRUE(M.Parse("2\n0\nB\nC\n"
+ "STARTED 0 1001\nDONE 0 4 5 6 \n"
+ "STARTED 1 1002\nDONE 1 6 1 3\n"
+ "", true));
+ EQ(M.Files[0].Features, {4, 5, 6});
+ EQ(M.Files[1].Features, {1, 3, 6});
+ Set<uint32_t> InitialFeatures;
+ InitialFeatures.insert(1);
+ InitialFeatures.insert(2);
+ InitialFeatures.insert(3);
+ EXPECT_EQ(3U, M.Merge(InitialFeatures, &NewFiles));
+ EQ(NewFiles, {"B"});
+}
+
+TEST(Merge, Merge) {
+
+ Merge("3\n1\nA\nB\nC\n"
+ "STARTED 0 1000\nDONE 0 1 2 3\n"
+ "STARTED 1 1001\nDONE 1 4 5 6 \n"
+ "STARTED 2 1002\nDONE 2 6 1 3 \n",
+ {"B"}, 3);
+
+ Merge("3\n0\nA\nB\nC\n"
+ "STARTED 0 2000\nDONE 0 1 2 3\n"
+ "STARTED 1 1001\nDONE 1 4 5 6 \n"
+ "STARTED 2 1002\nDONE 2 6 1 3 \n",
+ {"A", "B", "C"}, 6);
+
+ Merge("4\n0\nA\nB\nC\nD\n"
+ "STARTED 0 2000\nDONE 0 1 2 3\n"
+ "STARTED 1 1101\nDONE 1 4 5 6 \n"
+ "STARTED 2 1102\nDONE 2 6 1 3 100 \n"
+ "STARTED 3 1000\nDONE 3 1 \n",
+ {"A", "B", "C", "D"}, 7);
+
+ Merge("4\n1\nA\nB\nC\nD\n"
+ "STARTED 0 2000\nDONE 0 4 5 6 7 8\n"
+ "STARTED 1 1100\nDONE 1 1 2 3 \n"
+ "STARTED 2 1100\nDONE 2 2 3 \n"
+ "STARTED 3 1000\nDONE 3 1 \n",
+ {"B", "D"}, 3);
+}
+
+TEST(Fuzzer, ForEachNonZeroByte) {
+ const size_t N = 64;
+ alignas(64) uint8_t Ar[N + 8] = {
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 1, 2, 0, 0, 0, 0, 0, 0,
+ 0, 0, 3, 0, 4, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 5, 0, 6, 0, 0,
+ 0, 0, 0, 0, 0, 0, 7, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 8,
+ 9, 9, 9, 9, 9, 9, 9, 9,
+ };
+ typedef Vector<std::pair<size_t, uint8_t> > Vec;
+ Vec Res, Expected;
+ auto CB = [&](size_t FirstFeature, size_t Idx, uint8_t V) {
+ Res.push_back({FirstFeature + Idx, V});
+ };
+ ForEachNonZeroByte(Ar, Ar + N, 100, CB);
+ Expected = {{108, 1}, {109, 2}, {118, 3}, {120, 4},
+ {135, 5}, {137, 6}, {146, 7}, {163, 8}};
+ EXPECT_EQ(Res, Expected);
+
+ Res.clear();
+ ForEachNonZeroByte(Ar + 9, Ar + N, 109, CB);
+ Expected = { {109, 2}, {118, 3}, {120, 4},
+ {135, 5}, {137, 6}, {146, 7}, {163, 8}};
+ EXPECT_EQ(Res, Expected);
+
+ Res.clear();
+ ForEachNonZeroByte(Ar + 9, Ar + N - 9, 109, CB);
+ Expected = { {109, 2}, {118, 3}, {120, 4},
+ {135, 5}, {137, 6}, {146, 7}};
+ EXPECT_EQ(Res, Expected);
+}
+
+// FuzzerCommand unit tests. The arguments in the two helper methods below must
+// match.
+static void makeCommandArgs(Vector<std::string> *ArgsToAdd) {
+ assert(ArgsToAdd);
+ ArgsToAdd->clear();
+ ArgsToAdd->push_back("foo");
+ ArgsToAdd->push_back("-bar=baz");
+ ArgsToAdd->push_back("qux");
+ ArgsToAdd->push_back(Command::ignoreRemainingArgs());
+ ArgsToAdd->push_back("quux");
+ ArgsToAdd->push_back("-grault=garply");
+}
+
+static std::string makeCmdLine(const char *separator, const char *suffix) {
+ std::string CmdLine("foo -bar=baz qux ");
+ if (strlen(separator) != 0) {
+ CmdLine += separator;
+ CmdLine += " ";
+ }
+ CmdLine += Command::ignoreRemainingArgs();
+ CmdLine += " quux -grault=garply";
+ if (strlen(suffix) != 0) {
+ CmdLine += " ";
+ CmdLine += suffix;
+ }
+ return CmdLine;
+}
+
+TEST(FuzzerCommand, Create) {
+ std::string CmdLine;
+
+ // Default constructor
+ Command DefaultCmd;
+
+ CmdLine = DefaultCmd.toString();
+ EXPECT_EQ(CmdLine, "");
+
+ // Explicit constructor
+ Vector<std::string> ArgsToAdd;
+ makeCommandArgs(&ArgsToAdd);
+ Command InitializedCmd(ArgsToAdd);
+
+ CmdLine = InitializedCmd.toString();
+ EXPECT_EQ(CmdLine, makeCmdLine("", ""));
+
+ // Compare each argument
+ auto InitializedArgs = InitializedCmd.getArguments();
+ auto i = ArgsToAdd.begin();
+ auto j = InitializedArgs.begin();
+ while (i != ArgsToAdd.end() && j != InitializedArgs.end()) {
+ EXPECT_EQ(*i++, *j++);
+ }
+ EXPECT_EQ(i, ArgsToAdd.end());
+ EXPECT_EQ(j, InitializedArgs.end());
+
+ // Copy constructor
+ Command CopiedCmd(InitializedCmd);
+
+ CmdLine = CopiedCmd.toString();
+ EXPECT_EQ(CmdLine, makeCmdLine("", ""));
+
+ // Assignment operator
+ Command AssignedCmd;
+ AssignedCmd = CopiedCmd;
+
+ CmdLine = AssignedCmd.toString();
+ EXPECT_EQ(CmdLine, makeCmdLine("", ""));
+}
+
+TEST(FuzzerCommand, ModifyArguments) {
+ Vector<std::string> ArgsToAdd;
+ makeCommandArgs(&ArgsToAdd);
+ Command Cmd;
+ std::string CmdLine;
+
+ Cmd.addArguments(ArgsToAdd);
+ CmdLine = Cmd.toString();
+ EXPECT_EQ(CmdLine, makeCmdLine("", ""));
+
+ Cmd.addArgument("waldo");
+ EXPECT_TRUE(Cmd.hasArgument("waldo"));
+
+ CmdLine = Cmd.toString();
+ EXPECT_EQ(CmdLine, makeCmdLine("waldo", ""));
+
+ Cmd.removeArgument("waldo");
+ EXPECT_FALSE(Cmd.hasArgument("waldo"));
+
+ CmdLine = Cmd.toString();
+ EXPECT_EQ(CmdLine, makeCmdLine("", ""));
+}
+
+TEST(FuzzerCommand, ModifyFlags) {
+ Vector<std::string> ArgsToAdd;
+ makeCommandArgs(&ArgsToAdd);
+ Command Cmd(ArgsToAdd);
+ std::string Value, CmdLine;
+ ASSERT_FALSE(Cmd.hasFlag("fred"));
+
+ Value = Cmd.getFlagValue("fred");
+ EXPECT_EQ(Value, "");
+
+ CmdLine = Cmd.toString();
+ EXPECT_EQ(CmdLine, makeCmdLine("", ""));
+
+ Cmd.addFlag("fred", "plugh");
+ EXPECT_TRUE(Cmd.hasFlag("fred"));
+
+ Value = Cmd.getFlagValue("fred");
+ EXPECT_EQ(Value, "plugh");
+
+ CmdLine = Cmd.toString();
+ EXPECT_EQ(CmdLine, makeCmdLine("-fred=plugh", ""));
+
+ Cmd.removeFlag("fred");
+ EXPECT_FALSE(Cmd.hasFlag("fred"));
+
+ Value = Cmd.getFlagValue("fred");
+ EXPECT_EQ(Value, "");
+
+ CmdLine = Cmd.toString();
+ EXPECT_EQ(CmdLine, makeCmdLine("", ""));
+}
+
+TEST(FuzzerCommand, SetOutput) {
+ Vector<std::string> ArgsToAdd;
+ makeCommandArgs(&ArgsToAdd);
+ Command Cmd(ArgsToAdd);
+ std::string CmdLine;
+ ASSERT_FALSE(Cmd.hasOutputFile());
+ ASSERT_FALSE(Cmd.isOutAndErrCombined());
+
+ Cmd.combineOutAndErr(true);
+ EXPECT_TRUE(Cmd.isOutAndErrCombined());
+
+ CmdLine = Cmd.toString();
+ EXPECT_EQ(CmdLine, makeCmdLine("", "2>&1"));
+
+ Cmd.combineOutAndErr(false);
+ EXPECT_FALSE(Cmd.isOutAndErrCombined());
+
+ Cmd.setOutputFile("xyzzy");
+ EXPECT_TRUE(Cmd.hasOutputFile());
+
+ CmdLine = Cmd.toString();
+ EXPECT_EQ(CmdLine, makeCmdLine("", ">xyzzy"));
+
+ Cmd.setOutputFile("thud");
+ EXPECT_TRUE(Cmd.hasOutputFile());
+
+ CmdLine = Cmd.toString();
+ EXPECT_EQ(CmdLine, makeCmdLine("", ">thud"));
+
+ Cmd.combineOutAndErr();
+ EXPECT_TRUE(Cmd.isOutAndErrCombined());
+
+ CmdLine = Cmd.toString();
+ EXPECT_EQ(CmdLine, makeCmdLine("", ">thud 2>&1"));
+}
+
+int main(int argc, char **argv) {
+ testing::InitGoogleTest(&argc, argv);
+ return RUN_ALL_TESTS();
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-22 18:06:05 +0000