[ARM] MVE big endian loads/stores
[llvm-complete.git] / unittests / Support / raw_sha1_ostream_test.cpp
blobbe0353614836b4280ae7b5b93057bb044fba176c
1 //===- llvm/unittest/Support/raw_ostream_test.cpp - raw_ostream tests -----===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
9 #include "llvm/Support/Format.h"
10 #include "llvm/Support/raw_sha1_ostream.h"
11 #include "gtest/gtest.h"
13 #include <string>
15 using namespace llvm;
17 static std::string toHex(StringRef Input) {
18 static const char *const LUT = "0123456789ABCDEF";
19 size_t Length = Input.size();
21 std::string Output;
22 Output.reserve(2 * Length);
23 for (size_t i = 0; i < Length; ++i) {
24 const unsigned char c = Input[i];
25 Output.push_back(LUT[c >> 4]);
26 Output.push_back(LUT[c & 15]);
28 return Output;
31 TEST(raw_sha1_ostreamTest, Basic) {
32 llvm::raw_sha1_ostream Sha1Stream;
33 Sha1Stream << "Hello World!";
34 auto Hash = toHex(Sha1Stream.sha1());
36 ASSERT_EQ("2EF7BDE608CE5404E97D5F042F95F89F1C232871", Hash);
39 TEST(sha1_hash_test, Basic) {
40 ArrayRef<uint8_t> Input((const uint8_t *)"Hello World!", 12);
41 std::array<uint8_t, 20> Vec = SHA1::hash(Input);
42 std::string Hash = toHex({(const char *)Vec.data(), 20});
43 ASSERT_EQ("2EF7BDE608CE5404E97D5F042F95F89F1C232871", Hash);
46 // Check that getting the intermediate hash in the middle of the stream does
47 // not invalidate the final result.
48 TEST(raw_sha1_ostreamTest, Intermediate) {
49 llvm::raw_sha1_ostream Sha1Stream;
50 Sha1Stream << "Hello";
51 auto Hash = toHex(Sha1Stream.sha1());
53 ASSERT_EQ("F7FF9E8B7BB2E09B70935A5D785E0CC5D9D0ABF0", Hash);
54 Sha1Stream << " World!";
55 Hash = toHex(Sha1Stream.sha1());
57 // Compute the non-split hash separately as a reference.
58 llvm::raw_sha1_ostream NonSplitSha1Stream;
59 NonSplitSha1Stream << "Hello World!";
60 auto NonSplitHash = toHex(NonSplitSha1Stream.sha1());
62 ASSERT_EQ(NonSplitHash, Hash);
65 TEST(raw_sha1_ostreamTest, Reset) {
66 llvm::raw_sha1_ostream Sha1Stream;
67 Sha1Stream << "Hello";
68 auto Hash = toHex(Sha1Stream.sha1());
70 ASSERT_EQ("F7FF9E8B7BB2E09B70935A5D785E0CC5D9D0ABF0", Hash);
72 Sha1Stream.resetHash();
73 Sha1Stream << " World!";
74 Hash = toHex(Sha1Stream.sha1());
76 ASSERT_EQ("7447F2A5A42185C8CF91E632789C431830B59067", Hash);