1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "minikin/GraphemeBreak.h"
18 
19 #include <benchmark/benchmark.h>
20 #include <cutils/log.h>
21 
22 #include "UnicodeUtils.h"
23 
24 namespace minikin {
25 
26 const char* ASCII_TEST_STR = "'L' 'o' 'r' 'e' 'm' ' ' 'i' 'p' 's' 'u' 'm' '.'";
27 // U+261D: WHITE UP POINTING INDEX
28 // U+1F3FD: EMOJI MODIFIER FITZPATRICK TYPE-4
29 const char* EMOJI_TEST_STR = "U+261D U+1F3FD U+261D U+1F3FD U+261D U+1F3FD U+261D U+1F3FD";
30 // U+1F1FA: REGIONAL INDICATOR SYMBOL LETTER U
31 // U+1F1F8: REGIONAL INDICATOR SYMBOL LETTER S
32 const char* FLAGS_TEST_STR = "U+1F1FA U+1F1F8 U+1F1FA U+1F1F8 U+1F1FA U+1F1F8";
33 
34 // TODO: Migrate BENCHMARK_CAPTURE for parameterizing.
BM_GraphemeBreak_Ascii(benchmark::State & state)35 static void BM_GraphemeBreak_Ascii(benchmark::State& state) {
36     size_t result_size;
37     uint16_t buffer[12];
38     ParseUnicode(buffer, 12, ASCII_TEST_STR, &result_size, nullptr);
39     LOG_ALWAYS_FATAL_IF(result_size != 12);
40     const size_t testIndex = state.range(0);
41     while (state.KeepRunning()) {
42         GraphemeBreak::isGraphemeBreak(nullptr, buffer, 0, result_size, testIndex);
43     }
44 }
45 BENCHMARK(BM_GraphemeBreak_Ascii)
46         ->Arg(0)    // Begining of the text.
47         ->Arg(1)    // Middle of the text.
48         ->Arg(12);  // End of the text.
49 
BM_GraphemeBreak_Emoji(benchmark::State & state)50 static void BM_GraphemeBreak_Emoji(benchmark::State& state) {
51     size_t result_size;
52     uint16_t buffer[12];
53     ParseUnicode(buffer, 12, EMOJI_TEST_STR, &result_size, nullptr);
54     LOG_ALWAYS_FATAL_IF(result_size != 12);
55     const size_t testIndex = state.range(0);
56     while (state.KeepRunning()) {
57         GraphemeBreak::isGraphemeBreak(nullptr, buffer, 0, result_size, testIndex);
58     }
59 }
60 BENCHMARK(BM_GraphemeBreak_Emoji)
61         ->Arg(1)   // Middle of emoji modifier sequence.
62         ->Arg(2)   // Middle of the surrogate pairs.
63         ->Arg(3);  // After emoji modifier sequence. Here is boundary of grapheme cluster.
64 
BM_GraphemeBreak_Emoji_Flags(benchmark::State & state)65 static void BM_GraphemeBreak_Emoji_Flags(benchmark::State& state) {
66     size_t result_size;
67     uint16_t buffer[12];
68     ParseUnicode(buffer, 12, FLAGS_TEST_STR, &result_size, nullptr);
69     LOG_ALWAYS_FATAL_IF(result_size != 12);
70     const size_t testIndex = state.range(0);
71     while (state.KeepRunning()) {
72         GraphemeBreak::isGraphemeBreak(nullptr, buffer, 0, result_size, testIndex);
73     }
74 }
75 BENCHMARK(BM_GraphemeBreak_Emoji_Flags)
76         ->Arg(2)    // Middle of flag sequence.
77         ->Arg(4)    // After flag sequence. Here is boundary of grapheme cluster.
78         ->Arg(10);  // Middle of 3rd flag sequence.
79 
80 }  // namespace minikin
81