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Add Arc4GenTests, GenerateOutIteratorUsageTest.

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Harden against past-the-end write.
This commit is contained in:
hashlag
2026-02-04 00:25:15 +03:00
parent 9734f9a517
commit ccdf14d31a
1 changed files with 56 additions and 0 deletions
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56
ChaosTests/Cipher/Arc4GenTests.cpp
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@@ -353,3 +353,59 @@ TEST(Arc4GenTests, UninitializedGenTest)
ASSERT_THROW(gen.Drop(256), Chaos::Service::ChaosException);
}
}
TEST(Arc4GenTests, GenerateOutIteratorUsageTest)
{
{
uint8_t key[] = { 0x01, 0x02, 0x03, 0x04, 0x05 };
Arc4Gen gen(key, key + std::size(key));
std::array<uint8_t, 20> out;
out.fill(0);
std::array<uint8_t, 20> expected =
{
0xb2, 0x39, 0x63, 0x05, 0xf0, 0x3d, 0xc0, 0x27,
0xcc, 0xc3, 0x52, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00
};
gen.Generate(out.begin(), 11);
ASSERT_EQ(expected, out);
}
{
uint8_t key[] = { 0x01, 0x02, 0x03, 0x04, 0x05 };
Arc4Gen gen(key, key + std::size(key));
std::array<uint8_t, 20> out;
out.fill(0);
std::array<uint8_t, 20> expected =
{
0xb2, 0x39, 0x63, 0x05, 0xf0, 0x3d, 0xc0, 0x27,
0xcc, 0xc3, 0x52, 0x4a, 0x0a, 0x11, 0x18, 0xa8,
0x69, 0x82, 0x00, 0x00
};
gen.Generate(out.begin(), 18);
ASSERT_EQ(expected, out);
}
{
uint8_t key[] = { 0x01, 0x02, 0x03, 0x04, 0x05 };
Arc4Gen gen(key, key + std::size(key));
std::array<uint8_t, 20> out;
out.fill(0);
std::array<uint8_t, 20> expected;
expected.fill(0);
gen.Generate(out.begin(), 0);
ASSERT_EQ(expected, out);
}
}