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https://github.com/c64scene-ar/llvm-6502.git
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238059 91177308-0d34-0410-b5e6-96231b3b80d8
74 lines
2.0 KiB
C++
74 lines
2.0 KiB
C++
#include "FuzzerInternal.h"
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#include "gtest/gtest.h"
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#include <set>
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// For now, have LLVMFuzzerTestOneInput just to make it link.
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// Later we may want to make unittests that actually call LLVMFuzzerTestOneInput.
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extern "C" void LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
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abort();
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}
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TEST(Fuzzer, CrossOver) {
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using namespace fuzzer;
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Unit A({0, 1, 2}), B({5, 6, 7});
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Unit C;
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Unit Expected[] = {
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{ 0 },
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{ 0, 1 },
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{ 0, 5 },
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{ 0, 1, 2 },
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{ 0, 1, 5 },
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{ 0, 5, 1 },
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{ 0, 5, 6 },
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{ 0, 1, 2, 5 },
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{ 0, 1, 5, 2 },
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{ 0, 1, 5, 6 },
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{ 0, 5, 1, 2 },
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{ 0, 5, 1, 6 },
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{ 0, 5, 6, 1 },
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{ 0, 5, 6, 7 },
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{ 0, 1, 2, 5, 6 },
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{ 0, 1, 5, 2, 6 },
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{ 0, 1, 5, 6, 2 },
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{ 0, 1, 5, 6, 7 },
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{ 0, 5, 1, 2, 6 },
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{ 0, 5, 1, 6, 2 },
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{ 0, 5, 1, 6, 7 },
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{ 0, 5, 6, 1, 2 },
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{ 0, 5, 6, 1, 7 },
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{ 0, 5, 6, 7, 1 },
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{ 0, 1, 2, 5, 6, 7 },
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{ 0, 1, 5, 2, 6, 7 },
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{ 0, 1, 5, 6, 2, 7 },
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{ 0, 1, 5, 6, 7, 2 },
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{ 0, 5, 1, 2, 6, 7 },
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{ 0, 5, 1, 6, 2, 7 },
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{ 0, 5, 1, 6, 7, 2 },
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{ 0, 5, 6, 1, 2, 7 },
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{ 0, 5, 6, 1, 7, 2 },
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{ 0, 5, 6, 7, 1, 2 }
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};
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for (size_t Len = 1; Len < 8; Len++) {
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std::set<Unit> FoundUnits, ExpectedUnitsWitThisLength;
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for (int Iter = 0; Iter < 3000; Iter++) {
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C.resize(Len);
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size_t NewSize = CrossOver(A.data(), A.size(), B.data(), B.size(),
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C.data(), C.size());
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C.resize(NewSize);
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FoundUnits.insert(C);
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}
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for (const Unit &U : Expected)
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if (U.size() <= Len)
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ExpectedUnitsWitThisLength.insert(U);
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EXPECT_EQ(ExpectedUnitsWitThisLength, FoundUnits);
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}
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}
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TEST(Fuzzer, Hash) {
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uint8_t A[] = {'a', 'b', 'c'};
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fuzzer::Unit U(A, A + sizeof(A));
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EXPECT_EQ("a9993e364706816aba3e25717850c26c9cd0d89d", fuzzer::Hash(U));
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U.push_back('d');
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EXPECT_EQ("81fe8bfe87576c3ecb22426f8e57847382917acf", fuzzer::Hash(U));
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}
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