Check in the pristine copy of ICU 4.6...

icu46/source/test/intltest/canittst.cpp

+/********************************************************************
+ * COPYRIGHT: 
+ * Copyright (c) 2002-2010, International Business Machines Corporation and
+ * others. All Rights Reserved.
+ ********************************************************************
+ *
+ * @author Mark E. Davis
+ * @author Vladimir Weinstein
+ */
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_NORMALIZATION
+
+#include "intltest.h"
+#include "cstring.h"
+#include "canittst.h"
+#include "unicode/caniter.h"
+#include "unicode/normlzr.h"
+#include "unicode/uchar.h"
+#include "hash.h"
+
+#define ARRAY_LENGTH(array) ((int32_t)(sizeof (array) / sizeof (*array)))
+
+#define CASE(id,test) case id:                          \
+                          name = #test;                 \
+                          if (exec) {                   \
+                              logln(#test "---");       \
+                              logln((UnicodeString)""); \
+                              test();                   \
+                          }                             \
+                          break
+
+void CanonicalIteratorTest::runIndexedTest(int32_t index, UBool exec,
+                                         const char* &name, char* /*par*/) {
+    switch (index) {
+        CASE(0, TestBasic);
+        CASE(1, TestExhaustive);
+        CASE(2, TestAPI);
+      default: name = ""; break;
+    }
+}
+
+/**
+ * Convert Java-style strings with \u Unicode escapes into UnicodeString objects
+static UnicodeString str(const char *input)
+{
+    UnicodeString str(input, ""); // Invariant conversion
+    return str.unescape();
+}
+ */
+
+
+CanonicalIteratorTest::CanonicalIteratorTest() :
+nameTrans(NULL), hexTrans(NULL)
+{
+}
+
+CanonicalIteratorTest::~CanonicalIteratorTest()
+{
+#if !UCONFIG_NO_TRANSLITERATION
+  if(nameTrans != NULL) {
+    delete(nameTrans);
+  }
+  if(hexTrans != NULL) {
+    delete(hexTrans);
+  }
+#endif
+}
+
+void CanonicalIteratorTest::TestExhaustive() {
+    UErrorCode status = U_ZERO_ERROR;
+    CanonicalIterator it("", status);
+    if (U_FAILURE(status)) {
+        dataerrln("Error creating CanonicalIterator: %s", u_errorName(status));
+        return;
+    }
+    UChar32 i = 0;
+    UnicodeString s;
+    // Test static and dynamic class IDs
+    if(it.getDynamicClassID() != CanonicalIterator::getStaticClassID()){
+        errln("CanonicalIterator::getStaticClassId ! = CanonicalIterator.getDynamicClassID");
+    }
+    for (i = 0; i < 0x10FFFF; quick?i+=0x10:++i) {
+        //for (i = 0xae00; i < 0xaf00; ++i) {
+        
+        if ((i % 0x100) == 0) {
+            logln("Testing U+%06X", i);
+        }
+        
+        // skip characters we know don't have decomps
+        int8_t type = u_charType(i);
+        if (type == U_UNASSIGNED || type == U_PRIVATE_USE_CHAR
+            || type == U_SURROGATE) continue;
+        
+        s = i;
+        characterTest(s, i, it);
+
+        s += (UChar32)0x0345; //"\\u0345";
+        characterTest(s, i, it);
+    }
+}
+
+void CanonicalIteratorTest::TestBasic() {
+
+    UErrorCode status = U_ZERO_ERROR;
+
+    static const char * const testArray[][2] = {
+        {"\\u00C5d\\u0307\\u0327", "A\\u030Ad\\u0307\\u0327, A\\u030Ad\\u0327\\u0307, A\\u030A\\u1E0B\\u0327, "
+            "A\\u030A\\u1E11\\u0307, \\u00C5d\\u0307\\u0327, \\u00C5d\\u0327\\u0307, "
+            "\\u00C5\\u1E0B\\u0327, \\u00C5\\u1E11\\u0307, \\u212Bd\\u0307\\u0327, "
+            "\\u212Bd\\u0327\\u0307, \\u212B\\u1E0B\\u0327, \\u212B\\u1E11\\u0307"},
+        {"\\u010d\\u017E", "c\\u030Cz\\u030C, c\\u030C\\u017E, \\u010Dz\\u030C, \\u010D\\u017E"},
+        {"x\\u0307\\u0327", "x\\u0307\\u0327, x\\u0327\\u0307, \\u1E8B\\u0327"},
+    };
+    
+#if 0
+    // This is not interesting for C/C++ as the data is already built beforehand
+    // check build
+    UnicodeSet ss = CanonicalIterator.getSafeStart();
+    logln("Safe Start: " + ss.toPattern(true));
+    ss = CanonicalIterator.getStarts('a');
+    expectEqual("Characters with 'a' at the start of their decomposition: ", "", CanonicalIterator.getStarts('a'),
+        new UnicodeSet("[\u00E0-\u00E5\u0101\u0103\u0105\u01CE\u01DF\u01E1\u01FB"
+        + "\u0201\u0203\u0227\u1E01\u1EA1\u1EA3\u1EA5\u1EA7\u1EA9\u1EAB\u1EAD\u1EAF\u1EB1\u1EB3\u1EB5\u1EB7]")
+            );
+#endif
+
+    // check permute
+    // NOTE: we use a TreeSet below to sort the output, which is not guaranteed to be sorted!
+
+    Hashtable *permutations = new Hashtable(FALSE, status);
+    permutations->setValueDeleter(uhash_deleteUnicodeString);
+    UnicodeString toPermute("ABC");
+
+    CanonicalIterator::permute(toPermute, FALSE, permutations, status);
+
+    logln("testing permutation");
+  
+    expectEqual("Simple permutation ", "", collectionToString(permutations), "ABC, ACB, BAC, BCA, CAB, CBA");
+
+    delete permutations;
+    
+    // try samples
+    logln("testing samples");
+    Hashtable *set = new Hashtable(FALSE, status);
+    set->setValueDeleter(uhash_deleteUnicodeString);
+    int32_t i = 0;
+    CanonicalIterator it("", status);
+    if(U_SUCCESS(status)) {
+      for (i = 0; i < ARRAY_LENGTH(testArray); ++i) {
+          //logln("Results for: " + name.transliterate(testArray[i]));
+          UnicodeString testStr = CharsToUnicodeString(testArray[i][0]);
+          it.setSource(testStr, status);
+          set->removeAll();
+          for (;;) {
+              //UnicodeString *result = new UnicodeString(it.next());
+              UnicodeString result(it.next());
+              if (result.isBogus()) {
+                  break;
+              }
+              set->put(result, new UnicodeString(result), status); // Add result to the table
+              //logln(++counter + ": " + hex.transliterate(result));
+              //logln(" = " + name.transliterate(result));
+          }
+          expectEqual(i + ": ", testStr, collectionToString(set), CharsToUnicodeString(testArray[i][1]));
+
+      }
+    } else {
+      dataerrln("Couldn't instantiate canonical iterator. Error: %s", u_errorName(status));
+    }
+    delete set;
+}
+
+void CanonicalIteratorTest::characterTest(UnicodeString &s, UChar32 ch, CanonicalIterator &it)
+{
+    UErrorCode status = U_ZERO_ERROR;
+    UnicodeString decomp, comp;
+    UBool gotDecomp = FALSE;
+    UBool gotComp = FALSE;
+    UBool gotSource = FALSE;
+
+    Normalizer::decompose(s, FALSE, 0, decomp, status);
+    Normalizer::compose(s, FALSE, 0, comp, status);
+    
+    // skip characters that don't have either decomp.
+    // need quick test for this!
+    if (s == decomp && s == comp) {
+        return;
+    }
+    
+    it.setSource(s, status);
+    
+    for (;;) {
+        UnicodeString item = it.next();
+        if (item.isBogus()) break;
+        if (item == s) gotSource = TRUE;
+        if (item == decomp) gotDecomp = TRUE;
+        if (item == comp) gotComp = TRUE;
+    }
+    
+    if (!gotSource || !gotDecomp || !gotComp) {
+        errln("FAIL CanonicalIterator: " + s + (int)ch);
+    }
+}
+
+void CanonicalIteratorTest::expectEqual(const UnicodeString &message, const UnicodeString &item, const UnicodeString &a, const UnicodeString &b) {
+    if (!(a==b)) {
+        errln("FAIL: " + message + getReadable(item));
+        errln("\t" + getReadable(a));
+        errln("\t" + getReadable(b));
+    } else {
+        logln("Checked: " + message + getReadable(item));
+        logln("\t" + getReadable(a));
+        logln("\t" + getReadable(b));
+    }
+}
+
+UnicodeString CanonicalIteratorTest::getReadable(const UnicodeString &s) {
+  UErrorCode status = U_ZERO_ERROR;
+  UnicodeString result = "[";
+    if (s.length() == 0) return "";
+    // set up for readable display
+#if !UCONFIG_NO_TRANSLITERATION
+    if(verbose) {
+      if (nameTrans == NULL)
+          nameTrans = Transliterator::createInstance("[^\\ -\\u007F] name", UTRANS_FORWARD, status);
+      UnicodeString sName = s;
+      nameTrans->transliterate(sName);
+      result += sName;
+      result += ";";
+    }
+    if (hexTrans == NULL)
+        hexTrans = Transliterator::createInstance("[^\\ -\\u007F] hex", UTRANS_FORWARD, status);
+#endif
+    UnicodeString sHex = s;
+#if !UCONFIG_NO_TRANSLITERATION
+    if(hexTrans) { // maybe there is no data and transliterator cannot be instantiated
+      hexTrans->transliterate(sHex);
+    }
+#endif
+    result += sHex;
+    result += "]";
+    return result;
+    //return "[" + (verbose ? name->transliterate(s) + "; " : "") + hex->transliterate(s) + "]";
+}
+
+U_CFUNC int U_CALLCONV
+compareUnicodeStrings(const void *s1, const void *s2) {
+  UnicodeString **st1 = (UnicodeString **)s1;
+  UnicodeString **st2 = (UnicodeString **)s2;
+
+  return (*st1)->compare(**st2);
+}
+
+
+UnicodeString CanonicalIteratorTest::collectionToString(Hashtable *col) {
+    UnicodeString result;
+
+    // Iterate over the Hashtable, then qsort.
+
+    UnicodeString **resArray = new UnicodeString*[col->count()];
+    int32_t i = 0;
+
+    const UHashElement *ne = NULL;
+    int32_t el = -1;
+    //Iterator it = basic.iterator();
+    ne = col->nextElement(el);
+    //while (it.hasNext()) 
+    while (ne != NULL) {
+      //String item = (String) it.next();
+      UnicodeString *item = (UnicodeString *)(ne->value.pointer);
+      resArray[i++] = item;
+      ne = col->nextElement(el);
+    }
+
+    for(i = 0; i<col->count(); ++i) {
+      logln(*resArray[i]);
+    }
+
+    qsort(resArray, col->count(), sizeof(UnicodeString *), compareUnicodeStrings);
+
+    result = *resArray[0];
+
+    for(i = 1; i<col->count(); ++i) {
+      result += ", ";
+      result += *resArray[i];
+    }
+
+/*
+    Iterator it = col.iterator();
+    while (it.hasNext()) {
+        if (result.length() != 0) result.append(", ");
+        result.append(it.next().toString());
+    }
+*/
+
+    delete [] resArray;
+
+    return result;
+}
+
+void CanonicalIteratorTest::TestAPI() {
+  UErrorCode status = U_ZERO_ERROR;
+  // Test reset and getSource
+  UnicodeString start("ljubav");
+  logln("Testing CanonicalIterator::getSource");
+  logln("Instantiating canonical iterator with string "+start);
+  CanonicalIterator can(start, status);
+  if (U_FAILURE(status)) {
+      dataerrln("Error creating CanonicalIterator: %s", u_errorName(status));
+      return;
+  }
+  UnicodeString source = can.getSource();
+  logln("CanonicalIterator::getSource returned "+source);
+  if(start != source) {
+    errln("CanonicalIterator.getSource() didn't return the starting string. Expected "+start+", got "+source);
+  }
+  logln("Testing CanonicalIterator::reset");
+  UnicodeString next = can.next();
+  logln("CanonicalIterator::next returned "+next);
+
+  can.reset();
+
+  UnicodeString afterReset = can.next();
+  logln("After reset, CanonicalIterator::next returned "+afterReset);
+
+  if(next != afterReset) {
+    errln("Next after instantiation ("+next+") is different from next after reset ("+afterReset+").");
+  }
+  
+  logln("Testing getStaticClassID and getDynamicClassID");
+  if(can.getDynamicClassID() != CanonicalIterator::getStaticClassID()){
+      errln("RTTI failed for CanonicalIterator getDynamicClassID != getStaticClassID");
+  }
+}
+
+#endif /* #if !UCONFIG_NO_NORMALIZATION */