icuSources/test/iotest/stream.cpp

   1 /*
   2 **********************************************************************
   3 *   Copyright (C) 2002-2011, 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
  35 #include <string.h>
  36
  37 U_CDECL_BEGIN
  38 #if U_PLATFORM_USES_ONLY_WIN32_API
  39 const UChar NEW_LINE[] = {0x0d,0x0a,0};
  40 const char C_NEW_LINE[] = {0x0d,0x0a,0};
  41 #define UTF8_NEW_LINE "\x0d\x0a"
  42 #else
  43 const UChar NEW_LINE[] = {0x0a,0};
  44 const char C_NEW_LINE[] = {'\n',0};
  45 #define UTF8_NEW_LINE "\x0a"
  46 #endif
  47 U_CDECL_END
  48
  49 U_CDECL_BEGIN
  50 static void U_CALLCONV TestStream(void)
  51 {
  52     const UChar thisMu[] = { 0x74, 0x48, 0x69, 0x73, 0x3BC, 0};
  53     const UChar mu[] = { 0x6D, 0x75, 0};
  54     UnicodeString str1 = UNICODE_STRING_SIMPLE("str1");
  55     UnicodeString str2 = UNICODE_STRING_SIMPLE(" <<");
  56     UnicodeString str3 = UNICODE_STRING_SIMPLE("2");
  57     UnicodeString str4 = UNICODE_STRING_SIMPLE(" UTF-8 ");
  58     UnicodeString inStr = UNICODE_STRING_SIMPLE(" UTF-8 ");
  59     UnicodeString inStr2;
  60     char defConvName[UCNV_MAX_CONVERTER_NAME_LENGTH*2];
  61     char inStrC[128];
  62     UErrorCode status = U_ZERO_ERROR;
  63     UConverter *defConv;
  64     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";
  65
  66     str4.append((UChar32)0x03BC);   /* mu */
  67     str4.append((UChar32)0x10001);
  68     str4.append((UChar32)0x10002);
  69
  70     /* release the default converter and use utf-8 for a bit */
  71     defConv = u_getDefaultConverter(&status);
  72     if (U_FAILURE(status)) {
  73         log_err("Can't get default converter\n");
  74         return;
  75     }
  76     ucnv_close(defConv);
  77     strncpy(defConvName, ucnv_getDefaultName(), sizeof(defConvName)/sizeof(defConvName[0]));
  78     ucnv_setDefaultName("UTF-8");
  79
  80     static const char * const TESTSTRING = "\x20\x74\x48\x69\x73\xCE\xBC\xE2\x80\x82\x20\x6D\x75\x20\x77\x6F\x72\x6C\x64";
  81 #ifdef USE_SSTREAM
  82     ostringstream outTestStream;
  83     istringstream inTestStream(TESTSTRING);
  84 #else
  85     char testStreamBuf[512];
  86     ostrstream outTestStream(testStreamBuf, sizeof(testStreamBuf));
  87     istrstream inTestStream(TESTSTRING, 0);
  88
  89     /* initialize testStreamBuf */
  90     memset(testStreamBuf, '*', sizeof(testStreamBuf));
  91     testStreamBuf[sizeof(testStreamBuf)-1] = 0;
  92 #endif
  93
  94     outTestStream << "\x42\x65\x67\x69\x6E\x6E\x69\x6E\x67\x20\x6F\x66\x20\x74\x65\x73\x74\x20";
  95     outTestStream << str1 << "\x20\x20" << str2 << str3 << "\x31\x20" << UTF8_NEW_LINE << str4 << ends;
  96 #ifdef USE_SSTREAM
  97     string tempStr = outTestStream.str();
  98     const char *testStreamBuf = tempStr.c_str();
  99 #endif
 100     if (strcmp(testStreamBuf, testStr) != 0) {
 101         log_err("Got: \"%s\", Expected: \"%s\"\n", testStreamBuf, testStr);
 102     }
 103
 104     inTestStream >> inStr >> inStr2;
 105     if (inStr.compare(thisMu) != 0) {
 106         u_austrncpy(inStrC, inStr.getBuffer(), inStr.length());
 107         inStrC[inStr.length()] = 0;
 108         log_err("Got: \"%s\", Expected: \"tHis\\u03BC\"\n", inStrC);
 109     }
 110     if (inStr2.compare(mu) != 0) {
 111         u_austrncpy(inStrC, inStr.getBuffer(), inStr.length());
 112         inStrC[inStr.length()] = 0;
 113         log_err("Got: \"%s\", Expected: \"mu\"\n", inStrC);
 114     }
 115
 116     /* return the default converter to the original state. */
 117     ucnv_setDefaultName(defConvName);
 118     defConv = u_getDefaultConverter(&status);
 119     if (U_FAILURE(status)) {
 120         log_err("Can't get default converter");
 121         return;
 122     }
 123
 124     /* Test formatting when using '<<' and UnicodeString */
 125 #ifdef USE_SSTREAM
 126     ostringstream outFormatStream;
 127 #else
 128     char testFormatStreamBuf[512];
 129     memset(testFormatStreamBuf, 0, sizeof(testFormatStreamBuf));
 130     ostrstream outFormatStream(testFormatStreamBuf, sizeof(testFormatStreamBuf));
 131 #endif
 132     UnicodeString ustr("string");
 133
 134     outFormatStream << "1234567890" << setw(10) << left << ustr << " " << "0123456789";
 135
 136 #ifdef USE_SSTREAM
 137     tempStr = outFormatStream.str();
 138     const char *testFormatStreamBuf = tempStr.c_str();
 139 #endif
 140     const char *format_test_expected = "1234567890string     0123456789";
 141     if (strcmp(format_test_expected, testFormatStreamBuf) != 0) {
 142         log_err("UnicodeString format test using << operator Got: '%s' Expected: '%s'\n", testFormatStreamBuf, format_test_expected);
 143     }
 144
 145     /* Test large buffer (size > 200) when using '<<' and UnicodeString */
 146 #ifdef USE_SSTREAM
 147     ostringstream outLargeStream;
 148 #else
 149     char testLargeStreamBuf[512];
 150     memset(testLargeStreamBuf, 0, sizeof(testLargeStreamBuf));
 151     ostrstream outLargeStream(testLargeStreamBuf, sizeof(testLargeStreamBuf));
 152 #endif
 153     UChar large_array[200];
 154     int32_t large_array_length = sizeof(large_array)/sizeof(UChar);
 155     for (int32_t i = 0; i < large_array_length; i++) {
 156         large_array[i] = 0x41;
 157     }
 158     UnicodeString large_array_unistr(large_array, large_array_length);
 159
 160     outLargeStream << large_array_unistr;
 161
 162 #ifdef USE_SSTREAM
 163     string tmpString = outLargeStream.str();
 164     const char *testLargeStreamBuf = tmpString.c_str();
 165 #endif
 166     char expectedLargeStreamBuf[300];
 167     int32_t expectedBufLength = sizeof(expectedLargeStreamBuf);
 168
 169     ucnv_fromUChars(defConv, expectedLargeStreamBuf, expectedBufLength, large_array, large_array_length, &status);
 170     if (U_SUCCESS(status)) {
 171         if (strcmp(testLargeStreamBuf, expectedLargeStreamBuf) != 0) {
 172             log_err("Large UnicodeString operator << output incorrect.\n");
 173         }
 174     } else {
 175         log_err("Error converting string for large stream buffer testing.\n");
 176     }
 177     ucnv_close(defConv);
 178 }
 179
 180 #define IOSTREAM_GOOD_SHIFT 3
 181 #define IOSTREAM_GOOD (1<<IOSTREAM_GOOD_SHIFT)
 182 #define IOSTREAM_BAD_SHIFT 2
 183 #define IOSTREAM_BAD (1<<IOSTREAM_BAD_SHIFT)
 184 #define IOSTREAM_EOF_SHIFT 1
 185 #define IOSTREAM_EOF (1<<IOSTREAM_EOF_SHIFT)
 186 #define IOSTREAM_FAIL_SHIFT 0
 187 #define IOSTREAM_FAIL (1<<IOSTREAM_FAIL_SHIFT)
 188
 189 static int32_t getBitStatus(const iostream&  stream) {
 190     return (stream.good()<<IOSTREAM_GOOD_SHIFT)
 191         | (stream.bad()<<IOSTREAM_BAD_SHIFT)
 192         | (stream.eof()<<IOSTREAM_EOF_SHIFT)
 193         | (stream.fail()<<IOSTREAM_FAIL_SHIFT);
 194 }
 195
 196 void
 197 printBits(const iostream&  stream)
 198 {
 199     int32_t status = getBitStatus(stream);
 200     log_verbose("status 0x%02X (", status);
 201     if (status & IOSTREAM_GOOD) {
 202         log_verbose("good");
 203     }
 204     if (status & IOSTREAM_BAD) {
 205         log_verbose("bad");
 206     }
 207     if (status & IOSTREAM_EOF) {
 208         log_verbose("eof");
 209     }
 210     if (status & IOSTREAM_FAIL) {
 211         log_verbose("fail");
 212     }
 213     log_verbose(")\n");
 214 }
 215
 216 void
 217 testString(
 218             UnicodeString&  str,
 219             const char*     testString,
 220             const UChar*    expectedString,
 221             int32_t         expectedStatus)
 222 {
 223 #ifdef USE_SSTREAM
 224     stringstream sstrm;
 225 #else
 226     strstream sstrm;
 227 #endif
 228
 229     sstrm << testString;
 230
 231     /*log_verbose("iostream before operator::>>() call \"%s\" ", testString);
 232     printBits(sstrm);*/
 233
 234     sstrm >> str;
 235
 236     log_verbose("iostream after operator::>>() call \"%s\" ", testString);
 237     printBits(sstrm);
 238
 239     if (getBitStatus(sstrm) != expectedStatus) {
 240         printBits(sstrm);
 241         log_err("Expected status %d, Got %d. See verbose output for details\n", expectedStatus, getBitStatus(sstrm));
 242     }
 243     if (str != UnicodeString(expectedString)) {
 244         log_err("Did not get expected results from \"%s\", expected \"%s\"\n", testString, expectedString);
 245     }
 246 }
 247
 248
 249 static void U_CALLCONV TestStreamEOF(void)
 250 {
 251     UnicodeString dest;
 252     fstream fs(STANDARD_TEST_FILE, fstream::in | fstream::out | fstream::trunc);
 253 #ifdef USE_SSTREAM
 254     stringstream ss;
 255 #else
 256     strstream ss;
 257 #endif
 258
 259     fs << "EXAMPLE";
 260     fs.seekg(0);
 261     ss << "EXAMPLE";
 262
 263     if (!(fs >> dest)) {
 264         log_err("Reading of file did not return expected status result\n");
 265     }
 266     if (dest != "EXAMPLE") {
 267         log_err("Reading of file did not return expected string\n");
 268     }
 269
 270     if (!(ss >> dest)) {
 271         log_err("Reading of string did not return expected status result\n");
 272     }
 273     if (dest != "EXAMPLE") {
 274         log_err("Reading of string did not return expected string\n");
 275     }
 276     fs.close();
 277
 278     log_verbose("Testing operator >> for UnicodeString...\n");
 279
 280     /* The test cases needs to be converted to the default codepage.  However, the stream operator needs char* so U_STRING_* is called. */
 281     U_STRING_DECL(testCase1, "", 0);
 282     U_STRING_INIT(testCase1, "", 0);
 283     U_STRING_DECL(testCase2, "foo", 3);
 284     U_STRING_INIT(testCase2, "foo", 3);
 285     U_STRING_DECL(testCase3, "   ", 3);
 286     U_STRING_INIT(testCase3, "   ", 3);
 287     U_STRING_DECL(testCase4, "   bar", 6);
 288     U_STRING_INIT(testCase4, "   bar", 6);
 289     U_STRING_DECL(testCase5, "bar   ", 6);
 290     U_STRING_INIT(testCase5, "bar   ", 6);
 291     U_STRING_DECL(testCase6, "   bar   ", 9);
 292     U_STRING_INIT(testCase6, "   bar   ", 9);
 293
 294
 295     U_STRING_DECL(expectedResultA, "", 0);
 296     U_STRING_INIT(expectedResultA, "", 0);
 297     U_STRING_DECL(expectedResultB, "foo", 3);
 298     U_STRING_INIT(expectedResultB, "foo", 3);
 299     U_STRING_DECL(expectedResultC, "unchanged", 9);
 300     U_STRING_INIT(expectedResultC, "unchanged", 9);
 301     U_STRING_DECL(expectedResultD, "bar", 3);
 302     U_STRING_INIT(expectedResultD, "bar", 3);
 303
 304
 305     UnicodeString UStr;
 306     UnicodeString expectedResults;
 307     char testcase[10];
 308     testString(UStr, u_austrcpy(testcase, testCase1), expectedResultA, IOSTREAM_EOF|IOSTREAM_FAIL);
 309     testString(UStr, u_austrcpy(testcase, testCase2), expectedResultB, IOSTREAM_EOF);
 310     UStr = UnicodeString(expectedResultC);
 311     testString(UStr, u_austrcpy(testcase, testCase3), expectedResultC, IOSTREAM_EOF|IOSTREAM_FAIL);
 312     testString(UStr, u_austrcpy(testcase, testCase4), expectedResultD, IOSTREAM_EOF);
 313     testString(UStr, u_austrcpy(testcase, testCase5), expectedResultD, IOSTREAM_GOOD);
 314     testString(UStr, u_austrcpy(testcase, testCase6), expectedResultD, IOSTREAM_GOOD);
 315 }
 316 U_CDECL_END
 317
 318 U_CFUNC void addStreamTests(TestNode** root) {
 319     addTest(root, &TestStream, "stream/TestStream");
 320     addTest(root, &TestStreamEOF, "stream/TestStreamEOF");
 321 }
 322 #endif