Check in the pristine copy of ICU 4.6...

icu46/source/test/intltest/trnserr.cpp

+/********************************************************************
+ * Copyright (c) 2001-2009, International Business Machines
+ * Corporation and others. All Rights Reserved.
+ *********************************************************************
+ *   This test program is intended for testing error conditions of the 
+ *   transliterator APIs to make sure the exceptions are raised where
+ *   necessary.
+ *
+ *   Date        Name        Description
+ *   11/14/2001  hshih       Creation.
+ * 
+ ********************************************************************/
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_TRANSLITERATION
+
+#include "ittrans.h"
+#include "trnserr.h"
+#include "unicode/utypes.h"
+#include "unicode/translit.h"
+#include "unicode/uniset.h"
+#include "unicode/unifilt.h"
+#include "cpdtrans.h"
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "unicode/rep.h"
+#include "unicode/locid.h"
+
+//---------------------------------------------
+// runIndexedTest
+//---------------------------------------------
+
+void
+TransliteratorErrorTest::runIndexedTest(int32_t index, UBool exec,
+                                      const char* &name, char* /*par*/) {
+    switch (index) {
+        TESTCASE(0,TestTransliteratorErrors);
+        TESTCASE(1, TestUnicodeSetErrors);
+        TESTCASE(2, TestRBTErrors);
+        TESTCASE(3, TestCoverage);
+        //TESTCASE(3, TestUniToHexErrors);
+        //TESTCASE(4, TestHexToUniErrors);
+        // TODO: Add a subclass to test clone().
+        default: name = ""; break;
+    }
+}
+
+
+void TransliteratorErrorTest::TestTransliteratorErrors() {
+    UnicodeString trans="Latin-Greek";
+    UnicodeString bogusID="LATINGREEK-GREEKLATIN";
+    UnicodeString newID="Bogus-Latin";
+    UnicodeString newIDRules="zzz > Z; f <> ph";
+    UnicodeString bogusRules="a } [b-g m-p ";
+    UParseError parseError;
+    UErrorCode status = U_ZERO_ERROR;
+    UnicodeString testString="A quick fox jumped over the lazy dog.";
+    UnicodeString insertString="cats and dogs";
+    int32_t stoppedAt = 0, len;
+    UTransPosition pos;
+
+    Transliterator* t= Transliterator::createInstance(trans, UTRANS_FORWARD, parseError, status);
+    if(t==0 || U_FAILURE(status)){
+        dataerrln("FAIL: construction of Latin-Greek - %s", u_errorName(status));
+        return;
+    }
+    pos.contextLimit = 0;
+    pos.contextStart = 0;
+    pos.limit = 0;
+    pos.start = 0;
+    len = testString.length();
+    stoppedAt = t->transliterate(testString, 0, 100);
+    if (stoppedAt != -1) {
+        errln("FAIL: Out of bounds check failed (1).");
+    } else if (testString.length() != len) {
+        testString="A quick fox jumped over the lazy dog.";        
+        errln("FAIL: Transliterate fails and the target string was modified.");
+    }
+    stoppedAt = t->transliterate(testString, 100, testString.length()-1);
+    if (stoppedAt != -1)
+        errln("FAIL: Out of bounds check failed (2).");
+    else if (testString.length() != len) {
+        testString="A quick fox jumped over the lazy dog.";        
+        errln("FAIL: Transliterate fails and the target string was modified.");
+    }
+    pos.start = 100;
+    pos.limit = testString.length();
+    t->transliterate(testString, pos, status);
+    if (U_SUCCESS(status)) {
+        errln("FAIL: Start offset is out of bounds, error not reported.\n");
+    }
+    status = U_ZERO_ERROR;
+    pos.limit = 100;
+    pos.start = 0;
+    t->transliterate(testString, pos, status);
+    if (U_SUCCESS(status)) {
+        errln("FAIL: Limit offset is out of bounds, error not reported.\n");
+    }
+    status = U_ZERO_ERROR;
+    len = pos.contextLimit = testString.length();
+    pos.contextStart = 0;
+    pos.limit = len - 1;
+    pos.start = 5;
+    t->transliterate(testString, pos, insertString, status);
+    if (len == pos.limit) {
+        errln("FAIL: Test insertion with string: the transliteration position limit didn't change as expected.");
+        if (U_SUCCESS(status)) {
+            errln("FAIL: Error code wasn't set either.");
+        }
+    }
+    status = U_ZERO_ERROR;
+    pos.contextStart = 0;
+    pos.contextLimit = testString.length();
+    pos.limit = testString.length() -1;
+    pos.start = 5;
+    t->transliterate(testString, pos, (UChar32)0x0061, status);
+    if (len == pos.limit) {
+        errln("FAIL: Test insertion with character: the transliteration position limit didn't change as expected.");
+        if (U_SUCCESS(status)) {
+            errln("FAIL: Error code wasn't set either.");
+        }
+    }
+    status = U_ZERO_ERROR;
+    len = pos.limit = testString.length();
+    pos.contextStart = 0;
+    pos.contextLimit = testString.length() - 1;
+    pos.start = 5;
+    t->transliterate(testString, pos, insertString, status);
+    if (U_SUCCESS(status)) {
+        errln("FAIL: Out of bounds check failed (3).");
+        if (testString.length() != len)
+            errln("FAIL: The input string was modified though the offsets were out of bounds.");
+    }
+    Transliterator* t1= Transliterator::createInstance(bogusID, UTRANS_FORWARD, parseError, status);
+    if(t1!=0 || U_SUCCESS(status)){
+        delete t1;
+        errln("FAIL: construction of bogus ID \"LATINGREEK-GREEKLATIN\"");
+    }
+    status = U_ZERO_ERROR;
+    Transliterator* t2 = Transliterator::createFromRules(newID, newIDRules, UTRANS_FORWARD, parseError, status);
+    if (U_SUCCESS(status)) {
+        Transliterator* t3 = t2->createInverse(status);
+        if (U_SUCCESS(status)) {
+            delete t3;
+            errln("FAIL: The newID transliterator was not registered so createInverse should fail.");
+        } else {
+            delete t3;
+        }
+    }
+    status = U_ZERO_ERROR;
+    Transliterator* t4 = Transliterator::createFromRules(newID, bogusRules, UTRANS_FORWARD, parseError, status);
+    if (t4 != NULL || U_SUCCESS(status)) {
+        errln("FAIL: The rules is malformed but error was not reported.");
+        if (parseError.offset != -1) {
+            errln("FAIL: The parse error offset isn't set correctly when fails.");
+        } else if (parseError.postContext[0] == 0 || parseError.preContext[0] == 0) {
+            errln("FAIL: The parse error pre/post context isn't reset properly.");
+        }
+        delete t4;
+    }    
+    delete t;
+    delete t2;
+}
+
+void TransliteratorErrorTest::TestUnicodeSetErrors() {
+    UnicodeString badPattern="[[:L:]-[0x0300-0x0400]";
+    UnicodeSet set;
+    UErrorCode status = U_ZERO_ERROR;
+    UnicodeString result;
+
+    if (!set.isEmpty()) {
+        errln("FAIL: The default ctor of UnicodeSet created a non-empty object.");
+    }
+    set.applyPattern(badPattern, status);
+    if (U_SUCCESS(status)) {
+        errln("FAIL: Applied a bad pattern to the UnicodeSet object okay.");
+    }
+    status = U_ZERO_ERROR;
+    UnicodeSet *set1 = new UnicodeSet(badPattern, status);
+    if (U_SUCCESS(status)) {
+        errln("FAIL: Created a UnicodeSet based on bad patterns.");
+    }
+    delete set1;
+}
+
+//void TransliteratorErrorTest::TestUniToHexErrors() {
+//    UErrorCode status = U_ZERO_ERROR;
+//    Transliterator *t = new UnicodeToHexTransliterator("", TRUE, NULL, status);
+//    if (U_SUCCESS(status)) {
+//        errln("FAIL: Created a UnicodeToHexTransliterator with an empty pattern.");
+//    }
+//    delete t;
+//
+//    status = U_ZERO_ERROR;
+//    t = new UnicodeToHexTransliterator("\\x", TRUE, NULL, status);
+//    if (U_SUCCESS(status)) {
+//        errln("FAIL: Created a UnicodeToHexTransliterator with a bad pattern.");
+//    }
+//    delete t;
+//
+//    status = U_ZERO_ERROR;
+//    t = new UnicodeToHexTransliterator();
+//    ((UnicodeToHexTransliterator*)t)->applyPattern("\\x", status);
+//    if (U_SUCCESS(status)) {
+//        errln("FAIL: UnicodeToHexTransliterator::applyPattern succeeded with a bad pattern.");
+//    }
+//    delete t;
+//}
+
+void TransliteratorErrorTest::TestRBTErrors() {
+
+    UnicodeString rules="ab>y";
+    UnicodeString id="MyRandom-YReverse";
+    //UnicodeString goodPattern="[[:L:]&[\\u0000-\\uFFFF]]"; /* all BMP letters */
+    UErrorCode status = U_ZERO_ERROR;
+    UParseError parseErr;
+    /*UnicodeSet *set = new UnicodeSet(goodPattern, status);
+    if (U_FAILURE(status)) {
+        errln("FAIL: Was not able to create a good UnicodeSet based on valid patterns.");
+        return;
+    }*/
+    Transliterator *t = Transliterator::createFromRules(id, rules, UTRANS_REVERSE, parseErr, status);
+    if (U_FAILURE(status)) {
+        errln("FAIL: Was not able to create a good RBT to test registration.");
+        //delete set;
+        return;
+    }
+    Transliterator::registerInstance(t);
+    Transliterator::unregister(id);
+    status = U_ZERO_ERROR;
+    Transliterator* t1= Transliterator::createInstance(id, UTRANS_REVERSE, parseErr, status);
+    if(U_SUCCESS(status)){
+        delete t1;
+        errln("FAIL: construction of unregistered ID failed.");
+    } 
+}
+
+//void TransliteratorErrorTest::TestHexToUniErrors() {
+//    UErrorCode status = U_ZERO_ERROR;
+//    Transliterator *t = new HexToUnicodeTransliterator("", NULL, status);
+//    if (U_FAILURE(status)) {
+//        errln("FAIL: Could not create a HexToUnicodeTransliterator with an empty pattern.");
+//    }
+//    delete t;
+//    status = U_ZERO_ERROR;
+//    t = new HexToUnicodeTransliterator("\\x", NULL, status);
+//    if (U_SUCCESS(status)) {
+//        errln("FAIL: Created a HexToUnicodeTransliterator with a bad pattern.");
+//    }
+//    delete t;
+//    status = U_ZERO_ERROR;
+//    t = new HexToUnicodeTransliterator();
+//    ((HexToUnicodeTransliterator*)t)->applyPattern("\\x", status);
+//    if (U_SUCCESS(status)) {
+//        errln("FAIL: HexToUnicodeTransliterator::applyPattern succeeded with a bad pattern.");
+//    }
+//    delete t;
+//}
+
+class StubTransliterator: public Transliterator{
+public:
+    StubTransliterator(): Transliterator(UNICODE_STRING_SIMPLE("Any-Null"), 0) {}
+    virtual void handleTransliterate(Replaceable& ,UTransPosition& offsets,UBool) const {
+        offsets.start = offsets.limit;
+    }
+
+    virtual UClassID getDynamicClassID() const{
+        static char classID = 0;
+        return (UClassID)&classID; 
+    }
+};
+
+void TransliteratorErrorTest::TestCoverage() {
+    StubTransliterator stub;
+
+    if (stub.clone() != NULL){
+        errln("FAIL: default Transliterator::clone() should return NULL");
+    }
+}
+
+#endif /* #if !UCONFIG_NO_TRANSLITERATION */