| //===- llvm/unittest/Support/raw_ostream_test.cpp - raw_ostream tests -----===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/Support/Format.h" |
| #include "llvm/Support/raw_sha1_ostream.h" |
| #include "gtest/gtest.h" |
| |
| #include <string> |
| |
| using namespace llvm; |
| |
| static std::string toHex(StringRef Input) { |
| static const char *const LUT = "0123456789ABCDEF"; |
| size_t Length = Input.size(); |
| |
| std::string Output; |
| Output.reserve(2 * Length); |
| for (size_t i = 0; i < Length; ++i) { |
| const unsigned char c = Input[i]; |
| Output.push_back(LUT[c >> 4]); |
| Output.push_back(LUT[c & 15]); |
| } |
| return Output; |
| } |
| |
| TEST(raw_sha1_ostreamTest, Basic) { |
| llvm::raw_sha1_ostream Sha1Stream; |
| Sha1Stream << "Hello World!"; |
| auto Hash = toHex(Sha1Stream.sha1()); |
| |
| ASSERT_EQ("2EF7BDE608CE5404E97D5F042F95F89F1C232871", Hash); |
| } |
| |
| TEST(sha1_hash_test, Basic) { |
| ArrayRef<uint8_t> Input((const uint8_t *)"Hello World!", 12); |
| std::array<uint8_t, 20> Vec = SHA1::hash(Input); |
| std::string Hash = toHex({(const char *)Vec.data(), 20}); |
| ASSERT_EQ("2EF7BDE608CE5404E97D5F042F95F89F1C232871", Hash); |
| } |
| |
| // Check that getting the intermediate hash in the middle of the stream does |
| // not invalidate the final result. |
| TEST(raw_sha1_ostreamTest, Intermediate) { |
| llvm::raw_sha1_ostream Sha1Stream; |
| Sha1Stream << "Hello"; |
| auto Hash = toHex(Sha1Stream.sha1()); |
| |
| ASSERT_EQ("F7FF9E8B7BB2E09B70935A5D785E0CC5D9D0ABF0", Hash); |
| Sha1Stream << " World!"; |
| Hash = toHex(Sha1Stream.sha1()); |
| |
| // Compute the non-split hash separately as a reference. |
| llvm::raw_sha1_ostream NonSplitSha1Stream; |
| NonSplitSha1Stream << "Hello World!"; |
| auto NonSplitHash = toHex(NonSplitSha1Stream.sha1()); |
| |
| ASSERT_EQ(NonSplitHash, Hash); |
| } |
| |
| TEST(raw_sha1_ostreamTest, Reset) { |
| llvm::raw_sha1_ostream Sha1Stream; |
| Sha1Stream << "Hello"; |
| auto Hash = toHex(Sha1Stream.sha1()); |
| |
| ASSERT_EQ("F7FF9E8B7BB2E09B70935A5D785E0CC5D9D0ABF0", Hash); |
| |
| Sha1Stream.resetHash(); |
| Sha1Stream << " World!"; |
| Hash = toHex(Sha1Stream.sha1()); |
| |
| ASSERT_EQ("7447F2A5A42185C8CF91E632789C431830B59067", Hash); |
| } |