Check in the pristine copy of ICU 4.6...

icu46/source/test/perf/strsrchperf/strsrchperf.cpp

+/********************************************************************
+ * COPYRIGHT:
+ * Copyright (C) 2008-2009 IBM, Inc.   All Rights Reserved.
+ *
+ ********************************************************************/
+/** 
+ * This program tests string search performance.
+ * APIs tested: 
+ * ICU4C 
+ */
+
+#include "strsrchperf.h"
+
+StringSearchPerformanceTest::StringSearchPerformanceTest(int32_t argc, const char *argv[], UErrorCode &status)
+:UPerfTest(argc,argv,status){
+    int32_t start, end;
+
+#ifdef TEST_BOYER_MOORE_SEARCH
+    bms = NULL;
+#else
+    srch = NULL;
+#endif
+
+    pttrn = NULL;
+    if(status== U_ILLEGAL_ARGUMENT_ERROR || line_mode){
+       fprintf(stderr,gUsageString, "strsrchperf");
+       return;
+    }
+    /* Get the Text */
+    src = getBuffer(srcLen, status);
+
+#if 0
+    /* Get a word to find. Do this by selecting a random word with a word breakiterator. */
+    UBreakIterator* brk = ubrk_open(UBRK_WORD, locale, src, srcLen, &status);
+    if(U_FAILURE(status)){
+        fprintf(stderr, "FAILED to create pattern for searching. Error: %s\n", u_errorName(status));
+        return;
+    }
+    start = ubrk_preceding(brk, 1000);
+    end = ubrk_following(brk, start);
+    pttrnLen = end - start;
+    UChar* temp = (UChar*)malloc(sizeof(UChar)*(pttrnLen));
+    for (int i = 0; i < pttrnLen; i++) {
+        temp[i] = src[start++];
+    }
+    pttrn = temp; /* store word in pttrn */
+    ubrk_close(brk);
+#else
+    /* The first line of the file contains the pattern */
+    start = 0;
+
+    for(end = start; ; end += 1) {
+        UChar ch = src[end];
+
+        if (ch == 0x000A || ch == 0x000D || ch == 0x2028) {
+            break;
+        }
+    }
+
+    pttrnLen = end - start;
+    UChar* temp = (UChar*)malloc(sizeof(UChar)*(pttrnLen));
+    for (int i = 0; i < pttrnLen; i++) {
+        temp[i] = src[start++];
+    }
+    pttrn = temp; /* store word in pttrn */
+#endif
+    
+#ifdef TEST_BOYER_MOORE_SEARCH
+    UnicodeString patternString(pttrn, pttrnLen);
+    UCollator *coll = ucol_open(locale, &status);
+    CollData *data = CollData::open(coll, status);
+
+    targetString = new UnicodeString(src, srcLen);
+    bms = new BoyerMooreSearch(data, patternString, targetString, status);
+#else
+    /* Create the StringSearch object to be use in performance test. */
+    srch = usearch_open(pttrn, pttrnLen, src, srcLen, locale, NULL, &status);
+#endif
+
+    if(U_FAILURE(status)){
+        fprintf(stderr, "FAILED to create UPerfTest object. Error: %s\n", u_errorName(status));
+        return;
+    }
+    
+}
+
+StringSearchPerformanceTest::~StringSearchPerformanceTest() {
+    CollData *data  = bms->getData();
+    UCollator *coll = data->getCollator();
+
+    delete bms;
+    delete targetString;
+    CollData::close(data);
+    ucol_close(coll);
+
+    if (pttrn != NULL) {
+        free(pttrn);
+    }
+
+#ifndef TEST_BOYER_MOORE_SEARCH
+    if (srch != NULL) {
+        usearch_close(srch);
+    }
+#endif
+}
+
+UPerfFunction* StringSearchPerformanceTest::runIndexedTest(int32_t index, UBool exec, const char *&name, char *par) {
+    switch (index) {
+        TESTCASE(0,Test_ICU_Forward_Search);
+        TESTCASE(1,Test_ICU_Backward_Search);
+
+        default: 
+            name = ""; 
+            return NULL;
+    }
+    return NULL;
+}
+
+UPerfFunction* StringSearchPerformanceTest::Test_ICU_Forward_Search(){
+#ifdef TEST_BOYER_MOORE_SEARCH
+    StringSearchPerfFunction *func = new StringSearchPerfFunction(ICUForwardSearch, bms, src, srcLen, pttrn, pttrnLen);
+#else
+    StringSearchPerfFunction* func = new StringSearchPerfFunction(ICUForwardSearch, srch, src, srcLen, pttrn, pttrnLen);
+#endif
+    return func;
+}
+
+UPerfFunction* StringSearchPerformanceTest::Test_ICU_Backward_Search(){
+#ifdef TEST_BOYER_MOORE_SEARCH
+    StringSearchPerfFunction *func = new StringSearchPerfFunction(ICUBackwardSearch, bms, src, srcLen, pttrn, pttrnLen);
+#else
+    StringSearchPerfFunction* func = new StringSearchPerfFunction(ICUBackwardSearch, srch, src, srcLen, pttrn, pttrnLen);
+#endif
+    return func;
+}
+
+int main (int argc, const char* argv[]) {
+    UErrorCode status = U_ZERO_ERROR;
+    StringSearchPerformanceTest test(argc, argv, status);
+    if(U_FAILURE(status)){
+        return status;
+    }
+    if(test.run()==FALSE){
+        fprintf(stderr,"FAILED: Tests could not be run please check the arguments.\n");
+        return -1;
+    }
+    return 0;
+}