Check in the pristine copy of ICU 4.6...

icu46/source/test/perf/utrie2perf/utrie2perf.cpp

+/*  
+ **********************************************************************
+ *   Copyright (C) 2002-2008, International Business Machines
+ *   Corporation and others.  All Rights Reserved.
+ **********************************************************************
+ *  file name:  utrie2perf.cpp
+ *  encoding:   US-ASCII
+ *  tab size:   8 (not used)
+ *  indentation:4
+ *
+ *  created on: 2008sep07
+ *  created by: Markus W. Scherer
+ *
+ *  Performance test program for UTrie2.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "unicode/uchar.h"
+#include "unicode/unorm.h"
+#include "unicode/uperf.h"
+#include "uoptions.h"
+
+#define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0]))
+
+#if 0
+// Left over from when icu/branches/markus/utf8 could use both old UTrie
+// and new UTrie2, switched with #if in unorm.cpp and ubidi_props.c.
+// Comparative benchmarks were done in that branch on revision r24630
+// and earlier.
+U_CAPI void U_EXPORT2
+unorm_initUTrie2(UErrorCode *pErrorCode);
+
+U_CAPI void U_EXPORT2
+ubidi_initUTrie2(UErrorCode *pErrorCode);
+#endif
+
+U_NAMESPACE_BEGIN
+
+class UnicodeSet;
+
+U_NAMESPACE_END
+
+// Test object.
+class UTrie2PerfTest : public UPerfTest {
+public:
+    UTrie2PerfTest(int32_t argc, const char *argv[], UErrorCode &status)
+            : UPerfTest(argc, argv, NULL, 0, "", status),
+              utf8(NULL), utf8Length(0), countInputCodePoints(0) {
+        if (U_SUCCESS(status)) {
+#if 0       // See comment at unorm_initUTrie2() forward declaration.
+            unorm_initUTrie2(&status);
+            ubidi_initUTrie2(&status);
+#endif
+            int32_t inputLength;
+            UPerfTest::getBuffer(inputLength, status);
+            if(U_SUCCESS(status) && inputLength>0) {
+                countInputCodePoints = u_countChar32(buffer, bufferLen);
+
+                // Preflight the UTF-8 length and allocate utf8.
+                u_strToUTF8(NULL, 0, &utf8Length, buffer, bufferLen, &status);
+                if(status==U_BUFFER_OVERFLOW_ERROR) {
+                    utf8=(char *)malloc(utf8Length);
+                    if(utf8!=NULL) {
+                        status=U_ZERO_ERROR;
+                        u_strToUTF8(utf8, utf8Length, NULL, buffer, bufferLen, &status);
+                    } else {
+                        status=U_MEMORY_ALLOCATION_ERROR;
+                    }
+                }
+
+                if(verbose) {
+                    printf("code points:%ld  len16:%ld  len8:%ld  "
+                           "B/cp:%.3g\n",
+                           (long)countInputCodePoints, (long)bufferLen, (long)utf8Length,
+                           (double)utf8Length/countInputCodePoints);
+                }
+            }
+        }
+    }
+
+    virtual UPerfFunction* runIndexedTest(int32_t index, UBool exec, const char* &name, char* par = NULL);
+
+    const UChar *getBuffer() const { return buffer; }
+    int32_t getBufferLen() const { return bufferLen; }
+
+    char *utf8;
+    int32_t utf8Length;
+
+    // Number of code points in the input text.
+    int32_t countInputCodePoints;
+};
+
+// Performance test function object.
+class Command : public UPerfFunction {
+protected:
+    Command(const UTrie2PerfTest &testcase) : testcase(testcase) {}
+
+public:
+    virtual ~Command() {}
+
+    // virtual void call(UErrorCode* pErrorCode) { ... }
+
+    virtual long getOperationsPerIteration() {
+        // Number of code points tested.
+        return testcase.countInputCodePoints;
+    }
+
+    // virtual long getEventsPerIteration();
+
+    const UTrie2PerfTest &testcase;
+    UNormalizationCheckResult qcResult;
+};
+
+class CheckFCD : public Command {
+protected:
+    CheckFCD(const UTrie2PerfTest &testcase) : Command(testcase) {}
+public:
+    static UPerfFunction* get(const UTrie2PerfTest &testcase) {
+        return new CheckFCD(testcase);
+    }
+    virtual void call(UErrorCode* pErrorCode) {
+        UErrorCode errorCode=U_ZERO_ERROR;
+        qcResult=unorm_quickCheck(testcase.getBuffer(), testcase.getBufferLen(),
+                                  UNORM_FCD, &errorCode);
+        if(U_FAILURE(errorCode)) {
+            fprintf(stderr, "error: unorm_quickCheck(UNORM_FCD) failed: %s\n",
+                    u_errorName(errorCode));
+        }
+    }
+};
+
+#if 0  // See comment at unorm_initUTrie2() forward declaration.
+
+class CheckFCDAlwaysGet : public Command {
+protected:
+    CheckFCDAlwaysGet(const UTrie2PerfTest &testcase) : Command(testcase) {}
+public:
+    static UPerfFunction* get(const UTrie2PerfTest &testcase) {
+        return new CheckFCDAlwaysGet(testcase);
+    }
+    virtual void call(UErrorCode* pErrorCode) {
+        UErrorCode errorCode=U_ZERO_ERROR;
+        qcResult=unorm_quickCheck(testcase.getBuffer(), testcase.getBufferLen(),
+                                  UNORM_FCD_ALWAYS_GET, &errorCode);
+        if(U_FAILURE(errorCode)) {
+            fprintf(stderr, "error: unorm_quickCheck(UNORM_FCD) failed: %s\n",
+                    u_errorName(errorCode));
+        }
+    }
+};
+
+U_CAPI UBool U_EXPORT2
+unorm_checkFCDUTF8(const uint8_t *src, int32_t srcLength, const UnicodeSet *nx);
+
+class CheckFCDUTF8 : public Command {
+protected:
+    CheckFCDUTF8(const UTrie2PerfTest &testcase) : Command(testcase) {}
+public:
+    static UPerfFunction* get(const UTrie2PerfTest &testcase) {
+        return new CheckFCDUTF8(testcase);
+    }
+    virtual void call(UErrorCode* pErrorCode) {
+        UBool isFCD=unorm_checkFCDUTF8((const uint8_t *)testcase.utf8, testcase.utf8Length, NULL);
+        if(isFCD>1) {
+            fprintf(stderr, "error: bogus result from unorm_checkFCDUTF8()\n");
+        }
+    }
+};
+
+#endif
+
+class ToNFC : public Command {
+protected:
+    ToNFC(const UTrie2PerfTest &testcase) : Command(testcase) {
+        UErrorCode errorCode=U_ZERO_ERROR;
+        destCapacity=unorm_normalize(testcase.getBuffer(), testcase.getBufferLen(),
+                                     UNORM_NFC, 0,
+                                     NULL, 0,
+                                     &errorCode);
+        dest=new UChar[destCapacity];
+    }
+    ~ToNFC() {
+        delete [] dest;
+    }
+public:
+    static UPerfFunction* get(const UTrie2PerfTest &testcase) {
+        return new ToNFC(testcase);
+    }
+    virtual void call(UErrorCode* pErrorCode) {
+        UErrorCode errorCode=U_ZERO_ERROR;
+        int32_t destLength=unorm_normalize(testcase.getBuffer(), testcase.getBufferLen(),
+                                           UNORM_NFC, 0,
+                                           dest, destCapacity,
+                                           &errorCode);
+        if(U_FAILURE(errorCode) || destLength!=destCapacity) {
+            fprintf(stderr, "error: unorm_normalize(UNORM_NFC) failed: %s\n",
+                    u_errorName(errorCode));
+        }
+    }
+
+private:
+    UChar *dest;
+    int32_t destCapacity;
+};
+
+class GetBiDiClass : public Command {
+protected:
+    GetBiDiClass(const UTrie2PerfTest &testcase) : Command(testcase) {}
+public:
+    static UPerfFunction* get(const UTrie2PerfTest &testcase) {
+        return new GetBiDiClass(testcase);
+    }
+    virtual void call(UErrorCode* pErrorCode) {
+        const UChar *buffer=testcase.getBuffer();
+        int32_t length=testcase.getBufferLen();
+        UChar32 c;
+        int32_t i;
+        uint32_t bitSet=0;
+        for(i=0; i<length;) {
+            U16_NEXT(buffer, i, length, c);
+            bitSet|=(uint32_t)1<<u_charDirection(c);
+        }
+        if(length>0 && bitSet==0) {
+            fprintf(stderr, "error: GetBiDiClass() did not collect bits\n");
+        }
+    }
+};
+
+UPerfFunction* UTrie2PerfTest::runIndexedTest(int32_t index, UBool exec, const char* &name, char* par) {
+    switch (index) {
+        case 0: name = "CheckFCD";              if (exec) return CheckFCD::get(*this); break;
+        case 1: name = "ToNFC";                 if (exec) return ToNFC::get(*this); break;
+        case 2: name = "GetBiDiClass";          if (exec) return GetBiDiClass::get(*this); break;
+#if 0  // See comment at unorm_initUTrie2() forward declaration.
+        case 3: name = "CheckFCDAlwaysGet";     if (exec) return CheckFCDAlwaysGet::get(*this); break;
+        case 4: name = "CheckFCDUTF8";          if (exec) return CheckFCDUTF8::get(*this); break;
+#endif
+        default: name = ""; break;
+    }
+    return NULL;
+}
+
+int main(int argc, const char *argv[]) {
+    UErrorCode status = U_ZERO_ERROR;
+    UTrie2PerfTest test(argc, argv, status);
+
+        if (U_FAILURE(status)){
+        printf("The error is %s\n", u_errorName(status));
+        test.usage();
+        return status;
+    }
+        
+    if (test.run() == FALSE){
+        fprintf(stderr, "FAILED: Tests could not be run please check the "
+                                    "arguments.\n");
+        return -1;
+    }
+
+    return 0;
+}