1
2 /*
3 * Copyright (C) 2024 The Android Open Source Project
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 #include "gtest/gtest.h"
19
20 #include "chre/util/hash.h"
21
22 using ::chre::fnv1a32Hash;
23
TEST(Hash,HashRejectsInvalidInput)24 TEST(Hash, HashRejectsInvalidInput) {
25 uint8_t data = 3;
26 EXPECT_EQ(fnv1a32Hash(nullptr, 32), UINT32_MAX);
27 EXPECT_EQ(fnv1a32Hash(nullptr, 0), UINT32_MAX);
28 EXPECT_EQ(fnv1a32Hash(&data, 0), UINT32_MAX);
29 }
30
TEST(Hash,HashCalculatesKnownValues)31 TEST(Hash, HashCalculatesKnownValues) {
32 const char* dataStr = "CHRE";
33 EXPECT_EQ(fnv1a32Hash(reinterpret_cast<const uint8_t*>(dataStr),
34 strlen(dataStr)),
35 0x9ebfaf03);
36
37 dataStr = "ERHC";
38 EXPECT_EQ(fnv1a32Hash(reinterpret_cast<const uint8_t*>(dataStr),
39 strlen(dataStr)),
40 0x45406abb);
41
42 dataStr = "Android Open Source Project";
43 EXPECT_EQ(fnv1a32Hash(reinterpret_cast<const uint8_t*>(dataStr),
44 strlen(dataStr)),
45 0x8c9705a8);
46 }
47