1 // Copyright 2017 The CRC32C Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. See the AUTHORS file for names of contributors.
4
5 #include "./crc32c_read_le.h"
6
7 #include <cstddef>
8 #include <cstdint>
9
10 #include "gtest/gtest.h"
11
12 #include "./crc32c_round_up.h"
13
14 namespace crc32c {
15
TEST(Crc32CReadLETest,ReadUint32LE)16 TEST(Crc32CReadLETest, ReadUint32LE) {
17 // little-endian 0x12345678
18 alignas(4) uint8_t bytes[] = {0x78, 0x56, 0x34, 0x12};
19
20 ASSERT_EQ(RoundUp<4>(bytes), bytes) << "Stack array is not aligned";
21 EXPECT_EQ(static_cast<uint32_t>(0x12345678), ReadUint32LE(bytes));
22 }
23
TEST(Crc32CReadLETest,ReadUint64LE)24 TEST(Crc32CReadLETest, ReadUint64LE) {
25 // little-endian 0x123456789ABCDEF0
26 alignas(8) uint8_t bytes[] = {0xF0, 0xDE, 0xBC, 0x9A, 0x78, 0x56, 0x34, 0x12};
27
28 ASSERT_EQ(RoundUp<8>(bytes), bytes) << "Stack array is not aligned";
29 EXPECT_EQ(static_cast<uint64_t>(0x123456789ABCDEF0), ReadUint64LE(bytes));
30 }
31
32 } // namespace crc32c
33