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      1 /*
      2 **********************************************************************
      3 *   Copyright (C) 2002-2010, International Business Machines
      4 *   Corporation and others.  All Rights Reserved.
      5 **********************************************************************
      6 *   file name:  iotest.cpp
      7 *   encoding:   US-ASCII
      8 *   tab size:   8 (not used)
      9 *   indentation:4
     10 *
     11 *   created on: 2002feb21
     12 *   created by: George Rhoten
     13 */
     14 
     15 
     16 #include "unicode/ustream.h"
     17 
     18 #include "unicode/ucnv.h"
     19 #include "unicode/ustring.h"
     20 #include "ustr_cnv.h"
     21 #include "iotest.h"
     22 
     23 #if U_IOSTREAM_SOURCE >= 199711
     24 #if defined(__GNUC__) && __GNUC__ >= 4
     25 #define USE_SSTREAM 1
     26 #include <sstream>
     27 #else
     28 // <strstream> is deprecated on some platforms, and the compiler complains very loudly if you use it.
     29 #include <strstream>
     30 #endif
     31 #include <fstream>
     32 #include <iomanip>
     33 using namespace std;
     34 #elif U_IOSTREAM_SOURCE >= 198506
     35 #define USE_OLD_IOSTREAM 1
     36 #include <strstream.h>
     37 #include <fstream.h>
     38 #endif
     39 
     40 #include <string.h>
     41 
     42 U_CDECL_BEGIN
     43 #ifdef U_WINDOWS
     44 const UChar NEW_LINE[] = {0x0d,0x0a,0};
     45 const char C_NEW_LINE[] = {0x0d,0x0a,0};
     46 #define UTF8_NEW_LINE "\x0d\x0a"
     47 #else
     48 const UChar NEW_LINE[] = {0x0a,0};
     49 const char C_NEW_LINE[] = {'\n',0};
     50 #define UTF8_NEW_LINE "\x0a"
     51 #endif
     52 U_CDECL_END
     53 
     54 #if U_IOSTREAM_SOURCE
     55 U_CDECL_BEGIN
     56 static void U_CALLCONV TestStream(void)
     57 {
     58 #if U_IOSTREAM_SOURCE >= 198506
     59     const UChar thisMu[] = { 0x74, 0x48, 0x69, 0x73, 0x3BC, 0};
     60     const UChar mu[] = { 0x6D, 0x75, 0};
     61     UnicodeString str1 = UNICODE_STRING_SIMPLE("str1");
     62     UnicodeString str2 = UNICODE_STRING_SIMPLE(" <<");
     63     UnicodeString str3 = UNICODE_STRING_SIMPLE("2");
     64     UnicodeString str4 = UNICODE_STRING_SIMPLE(" UTF-8 ");
     65     UnicodeString inStr = UNICODE_STRING_SIMPLE(" UTF-8 ");
     66     UnicodeString inStr2;
     67     char defConvName[UCNV_MAX_CONVERTER_NAME_LENGTH*2];
     68     char inStrC[128];
     69     UErrorCode status = U_ZERO_ERROR;
     70     UConverter *defConv;
     71     static const char testStr[] = "\x42\x65\x67\x69\x6E\x6E\x69\x6E\x67\x20\x6F\x66\x20\x74\x65\x73\x74\x20\x73\x74\x72\x31\x20\x20\x20\x3C\x3C\x32\x31\x20" UTF8_NEW_LINE "\x20\x55\x54\x46\x2D\x38\x20\xCE\xBC\xF0\x90\x80\x81\xF0\x90\x80\x82";
     72 
     73     str4.append((UChar32)0x03BC);   /* mu */
     74     str4.append((UChar32)0x10001);
     75     str4.append((UChar32)0x10002);
     76 
     77     /* release the default converter and use utf-8 for a bit */
     78     defConv = u_getDefaultConverter(&status);
     79     if (U_FAILURE(status)) {
     80         log_err("Can't get default converter\n");
     81         return;
     82     }
     83     ucnv_close(defConv);
     84     strncpy(defConvName, ucnv_getDefaultName(), sizeof(defConvName)/sizeof(defConvName[0]));
     85     ucnv_setDefaultName("UTF-8");
     86 
     87     static const char * const TESTSTRING = "\x20\x74\x48\x69\x73\xCE\xBC\xE2\x80\x82\x20\x6D\x75\x20\x77\x6F\x72\x6C\x64";
     88 #ifdef USE_SSTREAM
     89     ostringstream outTestStream;
     90     istringstream inTestStream(TESTSTRING);
     91 #else
     92     char testStreamBuf[512];
     93     ostrstream outTestStream(testStreamBuf, sizeof(testStreamBuf));
     94     istrstream inTestStream(TESTSTRING, 0);
     95 
     96     /* initialize testStreamBuf */
     97     memset(testStreamBuf, '*', sizeof(testStreamBuf));
     98     testStreamBuf[sizeof(testStreamBuf)-1] = 0;
     99 #endif
    100 
    101     outTestStream << "\x42\x65\x67\x69\x6E\x6E\x69\x6E\x67\x20\x6F\x66\x20\x74\x65\x73\x74\x20";
    102     outTestStream << str1 << "\x20\x20" << str2 << str3 << "\x31\x20" << UTF8_NEW_LINE << str4 << ends;
    103 #ifdef USE_SSTREAM
    104     string tempStr = outTestStream.str();
    105     const char *testStreamBuf = tempStr.c_str();
    106 #endif
    107     if (strcmp(testStreamBuf, testStr) != 0) {
    108         log_err("Got: \"%s\", Expected: \"%s\"\n", testStreamBuf, testStr);
    109     }
    110 
    111     inTestStream >> inStr >> inStr2;
    112     if (inStr.compare(thisMu) != 0) {
    113         u_austrncpy(inStrC, inStr.getBuffer(), inStr.length());
    114         inStrC[inStr.length()] = 0;
    115         log_err("Got: \"%s\", Expected: \"tHis\\u03BC\"\n", inStrC);
    116     }
    117     if (inStr2.compare(mu) != 0) {
    118         u_austrncpy(inStrC, inStr.getBuffer(), inStr.length());
    119         inStrC[inStr.length()] = 0;
    120         log_err("Got: \"%s\", Expected: \"mu\"\n", inStrC);
    121     }
    122 
    123     /* return the default converter to the original state. */
    124     ucnv_setDefaultName(defConvName);
    125     defConv = u_getDefaultConverter(&status);
    126     if (U_FAILURE(status)) {
    127         log_err("Can't get default converter");
    128         return;
    129     }
    130 
    131     /* Test formatting when using '<<' and UnicodeString */
    132 #ifdef USE_SSTREAM
    133     ostringstream outFormatStream;
    134 #else
    135     char testFormatStreamBuf[512];
    136     memset(testFormatStreamBuf, 0, sizeof(testFormatStreamBuf));
    137     ostrstream outFormatStream(testFormatStreamBuf, sizeof(testFormatStreamBuf));
    138 #endif
    139     UnicodeString ustr("string");
    140 
    141     outFormatStream << "1234567890" << setw(10) << left << ustr << " " << "0123456789";
    142 
    143 #ifdef USE_SSTREAM
    144     tempStr = outFormatStream.str();
    145     const char *testFormatStreamBuf = tempStr.c_str();
    146 #endif
    147     const char *format_test_expected = "1234567890string     0123456789";
    148     if (strcmp(format_test_expected, testFormatStreamBuf) != 0) {
    149         log_err("UnicodeString format test using << operator Got: '%s' Expected: '%s'\n", testFormatStreamBuf, format_test_expected);
    150     }
    151 
    152     /* Test large buffer (size > 200) when using '<<' and UnicodeString */
    153 #ifdef USE_SSTREAM
    154     ostringstream outLargeStream;
    155 #else
    156     char testLargeStreamBuf[512];
    157     memset(testLargeStreamBuf, 0, sizeof(testLargeStreamBuf));
    158     ostrstream outLargeStream(testLargeStreamBuf, sizeof(testLargeStreamBuf));
    159 #endif
    160     UChar large_array[200];
    161     int32_t large_array_length = sizeof(large_array)/sizeof(UChar);
    162     for (int32_t i = 0; i < large_array_length; i++) {
    163         large_array[i] = 0x41;
    164     }
    165     UnicodeString large_array_unistr(large_array, large_array_length);
    166 
    167     outLargeStream << large_array_unistr;
    168 
    169 #ifdef USE_SSTREAM
    170     string tmpString = outLargeStream.str();
    171     const char *testLargeStreamBuf = tmpString.c_str();
    172 #endif
    173     char expectedLargeStreamBuf[300];
    174     int32_t expectedBufLength = sizeof(expectedLargeStreamBuf);
    175 
    176     ucnv_fromUChars(defConv, expectedLargeStreamBuf, expectedBufLength, large_array, large_array_length, &status);
    177     if (U_SUCCESS(status)) {
    178         if (strcmp(testLargeStreamBuf, expectedLargeStreamBuf) != 0) {
    179             log_err("Large UnicodeString operator << output incorrect.\n");
    180         }
    181     } else {
    182         log_err("Error converting string for large stream buffer testing.\n");
    183     }
    184     ucnv_close(defConv);
    185 #else
    186     log_info("U_IOSTREAM_SOURCE is disabled\n");
    187 #endif
    188 }
    189 
    190 #define IOSTREAM_GOOD_SHIFT 3
    191 #define IOSTREAM_GOOD (1<<IOSTREAM_GOOD_SHIFT)
    192 #define IOSTREAM_BAD_SHIFT 2
    193 #define IOSTREAM_BAD (1<<IOSTREAM_BAD_SHIFT)
    194 #define IOSTREAM_EOF_SHIFT 1
    195 #define IOSTREAM_EOF (1<<IOSTREAM_EOF_SHIFT)
    196 #define IOSTREAM_FAIL_SHIFT 0
    197 #define IOSTREAM_FAIL (1<<IOSTREAM_FAIL_SHIFT)
    198 
    199 static int32_t getBitStatus(const iostream&  stream) {
    200     return (stream.good()<<IOSTREAM_GOOD_SHIFT)
    201         | (stream.bad()<<IOSTREAM_BAD_SHIFT)
    202         | (stream.eof()<<IOSTREAM_EOF_SHIFT)
    203         | (stream.fail()<<IOSTREAM_FAIL_SHIFT);
    204 }
    205 
    206 void
    207 printBits(const iostream&  stream)
    208 {
    209     int32_t status = getBitStatus(stream);
    210     log_verbose("status 0x%02X (", status);
    211     if (status & IOSTREAM_GOOD) {
    212         log_verbose("good");
    213     }
    214     if (status & IOSTREAM_BAD) {
    215         log_verbose("bad");
    216     }
    217     if (status & IOSTREAM_EOF) {
    218         log_verbose("eof");
    219     }
    220     if (status & IOSTREAM_FAIL) {
    221         log_verbose("fail");
    222     }
    223     log_verbose(")\n");
    224 }
    225 
    226 void
    227 testString(
    228             UnicodeString&  str,
    229             const char*     testString,
    230             const UChar*    expectedString,
    231             int32_t         expectedStatus)
    232 {
    233 #ifdef USE_SSTREAM
    234     stringstream sstrm;
    235 #else
    236     strstream sstrm;
    237 #endif
    238 
    239     sstrm << testString;
    240 
    241     /*log_verbose("iostream before operator::>>() call \"%s\" ", testString);
    242     printBits(sstrm);*/
    243 
    244     sstrm >> str;
    245 
    246     log_verbose("iostream after operator::>>() call \"%s\" ", testString);
    247     printBits(sstrm);
    248 
    249     if (getBitStatus(sstrm) != expectedStatus) {
    250         printBits(sstrm);
    251 #ifdef USE_OLD_IOSTREAM
    252         log_info("Warning. Expected status %d, Got %d. This maybe caused by the fact that the non-standardized iostream is being used.\n", expectedStatus, getBitStatus(sstrm));
    253         log_info("See verbose output for details.\n");
    254 #else
    255         log_err("Expected status %d, Got %d. See verbose output for details\n", expectedStatus, getBitStatus(sstrm));
    256 #endif
    257     }
    258     if (str != UnicodeString(expectedString)) {
    259         log_err("Did not get expected results from \"%s\", expected \"%s\"\n", testString, expectedString);
    260     }
    261 }
    262 
    263 
    264 static void U_CALLCONV TestStreamEOF(void)
    265 {
    266     UnicodeString dest;
    267     fstream fs(STANDARD_TEST_FILE, fstream::in | fstream::out | fstream::trunc);
    268 #ifdef USE_SSTREAM
    269     stringstream ss;
    270 #else
    271     strstream ss;
    272 #endif
    273 
    274 #ifdef USE_OLD_IOSTREAM
    275     log_info("Old non-standardized iostream being used. This may result in inconsistent state flag settings. (e.g. failbit may not be set properly)\n");
    276     log_info("In such a case, warnings will be issued instead of errors.\n");
    277 #endif
    278 
    279     fs << "EXAMPLE";
    280     fs.seekg(0);
    281     ss << "EXAMPLE";
    282 
    283     if (!(fs >> dest)) {
    284         log_err("Reading of file did not return expected status result\n");
    285     }
    286     if (dest != "EXAMPLE") {
    287         log_err("Reading of file did not return expected string\n");
    288     }
    289 
    290     if (!(ss >> dest)) {
    291         log_err("Reading of string did not return expected status result\n");
    292     }
    293     if (dest != "EXAMPLE") {
    294         log_err("Reading of string did not return expected string\n");
    295     }
    296     fs.close();
    297 
    298     log_verbose("Testing operator >> for UnicodeString...\n");
    299 
    300     /* The test cases needs to be converted to the default codepage.  However, the stream operator needs char* so U_STRING_* is called. */
    301     U_STRING_DECL(testCase1, "", 0);
    302     U_STRING_INIT(testCase1, "", 0);
    303     U_STRING_DECL(testCase2, "foo", 3);
    304     U_STRING_INIT(testCase2, "foo", 3);
    305     U_STRING_DECL(testCase3, "   ", 3);
    306     U_STRING_INIT(testCase3, "   ", 3);
    307     U_STRING_DECL(testCase4, "   bar", 6);
    308     U_STRING_INIT(testCase4, "   bar", 6);
    309     U_STRING_DECL(testCase5, "bar   ", 6);
    310     U_STRING_INIT(testCase5, "bar   ", 6);
    311     U_STRING_DECL(testCase6, "   bar   ", 9);
    312     U_STRING_INIT(testCase6, "   bar   ", 9);
    313 
    314 
    315     U_STRING_DECL(expectedResultA, "", 0);
    316     U_STRING_INIT(expectedResultA, "", 0);
    317     U_STRING_DECL(expectedResultB, "foo", 3);
    318     U_STRING_INIT(expectedResultB, "foo", 3);
    319     U_STRING_DECL(expectedResultC, "unchanged", 9);
    320     U_STRING_INIT(expectedResultC, "unchanged", 9);
    321     U_STRING_DECL(expectedResultD, "bar", 3);
    322     U_STRING_INIT(expectedResultD, "bar", 3);
    323 
    324 
    325     UnicodeString UStr;
    326     UnicodeString expectedResults;
    327     char testcase[10];
    328     testString(UStr, u_austrcpy(testcase, testCase1), expectedResultA, IOSTREAM_EOF|IOSTREAM_FAIL);
    329     testString(UStr, u_austrcpy(testcase, testCase2), expectedResultB, IOSTREAM_EOF);
    330     UStr = UnicodeString(expectedResultC);
    331     testString(UStr, u_austrcpy(testcase, testCase3), expectedResultC, IOSTREAM_EOF|IOSTREAM_FAIL);
    332     testString(UStr, u_austrcpy(testcase, testCase4), expectedResultD, IOSTREAM_EOF);
    333     testString(UStr, u_austrcpy(testcase, testCase5), expectedResultD, IOSTREAM_GOOD);
    334     testString(UStr, u_austrcpy(testcase, testCase6), expectedResultD, IOSTREAM_GOOD);
    335 }
    336 U_CDECL_END
    337 
    338 U_CFUNC void addStreamTests(TestNode** root) {
    339     addTest(root, &TestStream, "stream/TestStream");
    340     addTest(root, &TestStreamEOF, "stream/TestStreamEOF");
    341 }
    342 #endif
    343