xref: /aosp_15_r20/external/pigweed/pw_bytes/units_test.cc (revision 61c4878ac05f98d0ceed94b57d316916de578985)
1 // Copyright 2020 The Pigweed Authors
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
4 // use this file except in compliance with the License. You may obtain a copy of
5 // the License at
6 //
7 //     https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12 // License for the specific language governing permissions and limitations under
13 // the License.
14 
15 #include "pw_bytes/units.h"
16 
17 #include <cstddef>
18 
19 namespace pw::bytes {
20 namespace {
21 
22 using namespace pw::bytes::unit_literals;
23 
24 // Byte Function tests
25 static_assert(B(1) == 1ull);
26 static_assert(B(42) == 42ull);
27 
28 static_assert(KiB(1) == 1'024ull);
29 static_assert(KiB(42) == 43'008ull);
30 
31 static_assert(MiB(1) == 1'048'576ull);
32 static_assert(MiB(42) == 44'040'192ull);
33 
34 static_assert(GiB(1) == 1'073'741'824ull);
35 static_assert(GiB(42) == 45'097'156'608ull);
36 
37 static_assert(TiB(1) == 1'099'511'627'776ull);
38 static_assert(TiB(42) == 46'179'488'366'592ull);
39 
40 static_assert(PiB(1) == 1'125'899'906'842'624ull);
41 static_assert(PiB(42) == 47'287'796'087'390'208ull);
42 
43 static_assert(EiB(1) == 1'152'921'504'606'846'976ull);
44 static_assert(EiB(4) == 4'611'686'018'427'387'904ull);
45 
46 // User-defined literal tests
47 static_assert(1_B == 1ull);
48 static_assert(42_B == 42ull);
49 
50 static_assert(1_KiB == 1'024ull);
51 static_assert(42_KiB == 43'008ull);
52 
53 static_assert(1_MiB == 1'048'576ull);
54 static_assert(42_MiB == 44'040'192ull);
55 
56 static_assert(1_GiB == 1'073'741'824ull);
57 static_assert(42_GiB == 45'097'156'608ull);
58 
59 static_assert(1_TiB == 1'099'511'627'776ull);
60 static_assert(42_TiB == 46'179'488'366'592ull);
61 
62 static_assert(1_PiB == 1'125'899'906'842'624ull);
63 static_assert(42_PiB == 47'287'796'087'390'208ull);
64 
65 static_assert(1_EiB == 1'152'921'504'606'846'976ull);
66 static_assert(4_EiB == 4'611'686'018'427'387'904ull);
67 
68 }  // namespace
69 }  // namespace pw::bytes
70