icuSources/test/perf/strsrchperf/strsrchperf.cpp

   1 /************************************************************************
   2  * © 2016 and later: Unicode, Inc. and others.
   3  * License & terms of use: http://www.unicode.org/copyright.html#License
   4  *
   5  *************************************************************************
   6  ********************************************************************
   7  * COPYRIGHT:
   8  * Copyright (C) 2008-2012 IBM, Inc.   All Rights Reserved.
   9  *
  10  ********************************************************************/
  11 /**
  12  * This program tests string search performance.
  13  * APIs tested:
  14  * ICU4C
  15  */
  16
  17 #include "strsrchperf.h"
  18
  19 StringSearchPerformanceTest::StringSearchPerformanceTest(int32_t argc, const char *argv[], UErrorCode &status)
  20 :UPerfTest(argc,argv,status){
  21     int32_t start, end;
  22     srch = NULL;
  23     pttrn = NULL;
  24     if(status== U_ILLEGAL_ARGUMENT_ERROR || line_mode){
  25        fprintf(stderr,gUsageString, "strsrchperf");
  26        return;
  27     }
  28     /* Get the Text */
  29     src = getBuffer(srcLen, status);
  30
  31 #if 0
  32     /* Get a word to find. Do this by selecting a random word with a word breakiterator. */
  33     UBreakIterator* brk = ubrk_open(UBRK_WORD, locale, src, srcLen, &status);
  34     if(U_FAILURE(status)){
  35         fprintf(stderr, "FAILED to create pattern for searching. Error: %s\n", u_errorName(status));
  36         return;
  37     }
  38     start = ubrk_preceding(brk, 1000);
  39     end = ubrk_following(brk, start);
  40     pttrnLen = end - start;
  41     UChar* temp = (UChar*)malloc(sizeof(UChar)*(pttrnLen));
  42     for (int i = 0; i < pttrnLen; i++) {
  43         temp[i] = src[start++];
  44     }
  45     pttrn = temp; /* store word in pttrn */
  46     ubrk_close(brk);
  47 #else
  48     /* The first line of the file contains the pattern */
  49     start = 0;
  50
  51     for(end = start; ; end += 1) {
  52         UChar ch = src[end];
  53
  54         if (ch == 0x000A || ch == 0x000D || ch == 0x2028) {
  55             break;
  56         }
  57     }
  58
  59     pttrnLen = end - start;
  60     UChar* temp = (UChar*)malloc(sizeof(UChar)*(pttrnLen));
  61     for (int i = 0; i < pttrnLen; i++) {
  62         temp[i] = src[start++];
  63     }
  64     pttrn = temp; /* store word in pttrn */
  65 #endif
  66
  67     /* Create the StringSearch object to be use in performance test. */
  68     srch = usearch_open(pttrn, pttrnLen, src, srcLen, locale, NULL, &status);
  69
  70     if(U_FAILURE(status)){
  71         fprintf(stderr, "FAILED to create UPerfTest object. Error: %s\n", u_errorName(status));
  72         return;
  73     }
  74
  75 }
  76
  77 StringSearchPerformanceTest::~StringSearchPerformanceTest() {
  78     if (pttrn != NULL) {
  79         free(pttrn);
  80     }
  81     if (srch != NULL) {
  82         usearch_close(srch);
  83     }
  84 }
  85
  86 UPerfFunction* StringSearchPerformanceTest::runIndexedTest(int32_t index, UBool exec, const char *&name, char *par) {
  87     switch (index) {
  88         TESTCASE(0,Test_ICU_Forward_Search);
  89         TESTCASE(1,Test_ICU_Backward_Search);
  90
  91         default:
  92             name = "";
  93             return NULL;
  94     }
  95     return NULL;
  96 }
  97
  98 UPerfFunction* StringSearchPerformanceTest::Test_ICU_Forward_Search(){
  99     StringSearchPerfFunction* func = new StringSearchPerfFunction(ICUForwardSearch, srch, src, srcLen, pttrn, pttrnLen);
 100     return func;
 101 }
 102
 103 UPerfFunction* StringSearchPerformanceTest::Test_ICU_Backward_Search(){
 104     StringSearchPerfFunction* func = new StringSearchPerfFunction(ICUBackwardSearch, srch, src, srcLen, pttrn, pttrnLen);
 105     return func;
 106 }
 107
 108 int main (int argc, const char* argv[]) {
 109     UErrorCode status = U_ZERO_ERROR;
 110     StringSearchPerformanceTest test(argc, argv, status);
 111     if(U_FAILURE(status)){
 112         return status;
 113     }
 114     if(test.run()==FALSE){
 115         fprintf(stderr,"FAILED: Tests could not be run please check the arguments.\n");
 116         return -1;
 117     }
 118     return 0;
 119 }