icuSources/test/iotest/stream.cpp

   1 // © 2016 and later: Unicode, Inc. and others.
   2 // License & terms of use: http://www.unicode.org/copyright.html
   3 /*
   4 **********************************************************************
   5 *   Copyright (C) 2002-2016, International Business Machines
   6 *   Corporation and others.  All Rights Reserved.
   7 **********************************************************************
   8 *   file name:  iotest.cpp
   9 *   encoding:   UTF-8
  10 *   tab size:   8 (not used)
  11 *   indentation:4
  12 *
  13 *   created on: 2002feb21
  14 *   created by: George Rhoten
  15 */
  16
  17
  18 #include "unicode/ustream.h"
  19
  20 #include "unicode/ucnv.h"
  21 #include "unicode/ustring.h"
  22 #include "ustr_cnv.h"
  23 #include "cmemory.h"
  24 #include "iotest.h"
  25
  26 #if defined(__GNUC__) && __GNUC__ >= 4
  27 #define USE_SSTREAM 1
  28 #include <sstream>
  29 #else
  30 // <strstream> is deprecated on some platforms, and the compiler complains very loudly if you use it.
  31 #include <strstream>
  32 #endif
  33 #include <fstream>
  34 #include <iomanip>
  35 using namespace std;
  36
  37 #include <string.h>
  38
  39 U_CDECL_BEGIN
  40 #if U_PLATFORM_USES_ONLY_WIN32_API
  41 const UChar NEW_LINE[] = {0x0d,0x0a,0};
  42 const char C_NEW_LINE[] = {0x0d,0x0a,0};
  43 #define UTF8_NEW_LINE "\x0d\x0a"
  44 #else
  45 const UChar NEW_LINE[] = {0x0a,0};
  46 const char C_NEW_LINE[] = {'\n',0};
  47 #define UTF8_NEW_LINE "\x0a"
  48 #endif
  49 U_CDECL_END
  50
  51 U_CDECL_BEGIN
  52 static void U_CALLCONV TestStream(void)
  53 {
  54     const UChar thisMu[] = { 0x74, 0x48, 0x69, 0x73, 0x3BC, 0};
  55     const UChar mu[] = { 0x6D, 0x75, 0};
  56     UnicodeString str1 = UNICODE_STRING_SIMPLE("str1");
  57     UnicodeString str2 = UNICODE_STRING_SIMPLE(" <<");
  58     UnicodeString str3 = UNICODE_STRING_SIMPLE("2");
  59     UnicodeString str4 = UNICODE_STRING_SIMPLE(" UTF-8 ");
  60     UnicodeString inStr = UNICODE_STRING_SIMPLE(" UTF-8 ");
  61     UnicodeString inStr2;
  62     char defConvName[UCNV_MAX_CONVERTER_NAME_LENGTH*2];
  63     char inStrC[128];
  64     UErrorCode status = U_ZERO_ERROR;
  65     UConverter *defConv;
  66     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";
  67
  68     str4.append((UChar32)0x03BC);   /* mu */
  69     str4.append((UChar32)0x10001);
  70     str4.append((UChar32)0x10002);
  71
  72     /* release the default converter and use utf-8 for a bit */
  73     defConv = u_getDefaultConverter(&status);
  74     if (U_FAILURE(status)) {
  75         log_err("Can't get default converter\n");
  76         return;
  77     }
  78     ucnv_close(defConv);
  79     strncpy(defConvName, ucnv_getDefaultName(), UPRV_LENGTHOF(defConvName));
  80     ucnv_setDefaultName("UTF-8");
  81
  82     static const char * const TESTSTRING = "\x20\x74\x48\x69\x73\xCE\xBC\xE2\x80\x82\x20\x6D\x75\x20\x77\x6F\x72\x6C\x64";
  83 #ifdef USE_SSTREAM
  84     ostringstream outTestStream;
  85     istringstream inTestStream(TESTSTRING);
  86 #else
  87     char testStreamBuf[512];
  88     ostrstream outTestStream(testStreamBuf, sizeof(testStreamBuf));
  89     istrstream inTestStream(TESTSTRING, 0);
  90
  91     /* initialize testStreamBuf */
  92     memset(testStreamBuf, '*', sizeof(testStreamBuf));
  93     testStreamBuf[sizeof(testStreamBuf)-1] = 0;
  94 #endif
  95
  96     outTestStream << "\x42\x65\x67\x69\x6E\x6E\x69\x6E\x67\x20\x6F\x66\x20\x74\x65\x73\x74\x20";
  97     outTestStream << str1 << "\x20\x20" << str2 << str3 << "\x31\x20" << UTF8_NEW_LINE << str4 << ends;
  98 #ifdef USE_SSTREAM
  99     string tempStr = outTestStream.str();
 100     const char *testStreamBuf = tempStr.c_str();
 101 #endif
 102     if (strcmp(testStreamBuf, testStr) != 0) {
 103         log_err("Got: \"%s\", Expected: \"%s\"\n", testStreamBuf, testStr);
 104     }
 105
 106     inTestStream >> inStr >> inStr2;
 107     if (inStr.compare(thisMu) != 0) {
 108         u_austrncpy(inStrC, toUCharPtr(inStr.getBuffer()), inStr.length());
 109         inStrC[inStr.length()] = 0;
 110         log_err("Got: \"%s\", Expected: \"tHis\\u03BC\"\n", inStrC);
 111     }
 112     if (inStr2.compare(mu) != 0) {
 113         u_austrncpy(inStrC, toUCharPtr(inStr.getBuffer()), inStr.length());
 114         inStrC[inStr.length()] = 0;
 115         log_err("Got: \"%s\", Expected: \"mu\"\n", inStrC);
 116     }
 117
 118     /* return the default converter to the original state. */
 119     ucnv_setDefaultName(defConvName);
 120     defConv = u_getDefaultConverter(&status);
 121     if (U_FAILURE(status)) {
 122         log_err("Can't get default converter");
 123         return;
 124     }
 125
 126     /* Test formatting when using '<<' and UnicodeString */
 127 #ifdef USE_SSTREAM
 128     ostringstream outFormatStream;
 129 #else
 130     char testFormatStreamBuf[512];
 131     memset(testFormatStreamBuf, 0, sizeof(testFormatStreamBuf));
 132     ostrstream outFormatStream(testFormatStreamBuf, sizeof(testFormatStreamBuf));
 133 #endif
 134     UnicodeString ustr("string");
 135
 136     outFormatStream << "1234567890" << setw(10) << left << ustr << " " << "0123456789";
 137
 138 #ifdef USE_SSTREAM
 139     tempStr = outFormatStream.str();
 140     const char *testFormatStreamBuf = tempStr.c_str();
 141 #endif
 142     const char *format_test_expected = "1234567890string     0123456789";
 143     if (strcmp(format_test_expected, testFormatStreamBuf) != 0) {
 144         log_err("UnicodeString format test using << operator Got: '%s' Expected: '%s'\n", testFormatStreamBuf, format_test_expected);
 145     }
 146
 147     /* Test large buffer (size > 200) when using '<<' and UnicodeString */
 148 #ifdef USE_SSTREAM
 149     ostringstream outLargeStream;
 150 #else
 151     char testLargeStreamBuf[512];
 152     memset(testLargeStreamBuf, 0, sizeof(testLargeStreamBuf));
 153     ostrstream outLargeStream(testLargeStreamBuf, sizeof(testLargeStreamBuf));
 154 #endif
 155     UChar large_array[200];
 156     int32_t large_array_length = UPRV_LENGTHOF(large_array);
 157     for (int32_t i = 0; i < large_array_length; i++) {
 158         large_array[i] = 0x41;
 159     }
 160     UnicodeString large_array_unistr(large_array, large_array_length);
 161
 162     outLargeStream << large_array_unistr;
 163
 164 #ifdef USE_SSTREAM
 165     string tmpString = outLargeStream.str();
 166     const char *testLargeStreamBuf = tmpString.c_str();
 167 #endif
 168     char expectedLargeStreamBuf[300];
 169     int32_t expectedBufLength = sizeof(expectedLargeStreamBuf);
 170
 171     ucnv_fromUChars(defConv, expectedLargeStreamBuf, expectedBufLength, large_array, large_array_length, &status);
 172     if (U_SUCCESS(status)) {
 173         if (strcmp(testLargeStreamBuf, expectedLargeStreamBuf) != 0) {
 174             log_err("Large UnicodeString operator << output incorrect.\n");
 175         }
 176     } else {
 177         log_err("Error converting string for large stream buffer testing.\n");
 178     }
 179     ucnv_close(defConv);
 180 }
 181
 182 #define IOSTREAM_GOOD_SHIFT 3
 183 #define IOSTREAM_GOOD (1<<IOSTREAM_GOOD_SHIFT)
 184 #define IOSTREAM_BAD_SHIFT 2
 185 #define IOSTREAM_BAD (1<<IOSTREAM_BAD_SHIFT)
 186 #define IOSTREAM_EOF_SHIFT 1
 187 #define IOSTREAM_EOF (1<<IOSTREAM_EOF_SHIFT)
 188 #define IOSTREAM_FAIL_SHIFT 0
 189 #define IOSTREAM_FAIL (1<<IOSTREAM_FAIL_SHIFT)
 190
 191 static int32_t getBitStatus(const iostream&  stream) {
 192     return (stream.good()<<IOSTREAM_GOOD_SHIFT)
 193         | (stream.bad()<<IOSTREAM_BAD_SHIFT)
 194         | (stream.eof()<<IOSTREAM_EOF_SHIFT)
 195         | (stream.fail()<<IOSTREAM_FAIL_SHIFT);
 196 }
 197
 198 void
 199 printBits(const iostream&  stream)
 200 {
 201     int32_t status = getBitStatus(stream);
 202     log_verbose("status 0x%02X (", status);
 203     if (status & IOSTREAM_GOOD) {
 204         log_verbose("good");
 205     }
 206     if (status & IOSTREAM_BAD) {
 207         log_verbose("bad");
 208     }
 209     if (status & IOSTREAM_EOF) {
 210         log_verbose("eof");
 211     }
 212     if (status & IOSTREAM_FAIL) {
 213         log_verbose("fail");
 214     }
 215     log_verbose(")\n");
 216 }
 217
 218 void
 219 testString(
 220             UnicodeString&  str,
 221             const char*     testString,
 222             const UChar*    expectedString,
 223             int32_t         expectedStatus)
 224 {
 225 #ifdef USE_SSTREAM
 226     stringstream sstrm;
 227 #else
 228     strstream sstrm;
 229 #endif
 230
 231     sstrm << testString;
 232
 233     /*log_verbose("iostream before operator::>>() call \"%s\" ", testString);
 234     printBits(sstrm);*/
 235
 236     sstrm >> str;
 237
 238     log_verbose("iostream after operator::>>() call \"%s\" ", testString);
 239     printBits(sstrm);
 240
 241     if (getBitStatus(sstrm) != expectedStatus) {
 242         printBits(sstrm);
 243         log_err("Expected status %d, Got %d. See verbose output for details\n", expectedStatus, getBitStatus(sstrm));
 244     }
 245     if (str != UnicodeString(expectedString)) {
 246         log_err("Did not get expected results from \"%s\", expected \"%s\"\n", testString, expectedString);
 247     }
 248 }
 249
 250
 251 static void U_CALLCONV TestStreamEOF(void)
 252 {
 253     UnicodeString dest;
 254     fstream fs(STANDARD_TEST_FILE, fstream::in | fstream::out | fstream::trunc);
 255 #ifdef USE_SSTREAM
 256     stringstream ss;
 257 #else
 258     strstream ss;
 259 #endif
 260
 261     fs << "EXAMPLE";
 262     fs.seekg(0);
 263     ss << "EXAMPLE";
 264
 265     if (!(fs >> dest)) {
 266         log_err("Reading of file did not return expected status result\n");
 267     }
 268     if (dest != "EXAMPLE") {
 269         log_err("Reading of file did not return expected string\n");
 270     }
 271
 272     if (!(ss >> dest)) {
 273         log_err("Reading of string did not return expected status result\n");
 274     }
 275     if (dest != "EXAMPLE") {
 276         log_err("Reading of string did not return expected string\n");
 277     }
 278     fs.close();
 279
 280     log_verbose("Testing operator >> for UnicodeString...\n");
 281
 282     /* The test cases needs to be converted to the default codepage.  However, the stream operator needs char* so U_STRING_* is called. */
 283     U_STRING_DECL(testCase1, "", 0);
 284     U_STRING_INIT(testCase1, "", 0);
 285     U_STRING_DECL(testCase2, "foo", 3);
 286     U_STRING_INIT(testCase2, "foo", 3);
 287     U_STRING_DECL(testCase3, "   ", 3);
 288     U_STRING_INIT(testCase3, "   ", 3);
 289     U_STRING_DECL(testCase4, "   bar", 6);
 290     U_STRING_INIT(testCase4, "   bar", 6);
 291     U_STRING_DECL(testCase5, "bar   ", 6);
 292     U_STRING_INIT(testCase5, "bar   ", 6);
 293     U_STRING_DECL(testCase6, "   bar   ", 9);
 294     U_STRING_INIT(testCase6, "   bar   ", 9);
 295
 296
 297     U_STRING_DECL(expectedResultA, "", 0);
 298     U_STRING_INIT(expectedResultA, "", 0);
 299     U_STRING_DECL(expectedResultB, "foo", 3);
 300     U_STRING_INIT(expectedResultB, "foo", 3);
 301     U_STRING_DECL(expectedResultC, "unchanged", 9);
 302     U_STRING_INIT(expectedResultC, "unchanged", 9);
 303     U_STRING_DECL(expectedResultD, "bar", 3);
 304     U_STRING_INIT(expectedResultD, "bar", 3);
 305
 306
 307     UnicodeString UStr;
 308     UnicodeString expectedResults;
 309     char testcase[10];
 310     testString(UStr, u_austrcpy(testcase, testCase1), expectedResultA, IOSTREAM_EOF|IOSTREAM_FAIL);
 311     testString(UStr, u_austrcpy(testcase, testCase2), expectedResultB, IOSTREAM_EOF);
 312     UStr = UnicodeString(expectedResultC);
 313     testString(UStr, u_austrcpy(testcase, testCase3), expectedResultC, IOSTREAM_EOF|IOSTREAM_FAIL);
 314     testString(UStr, u_austrcpy(testcase, testCase4), expectedResultD, IOSTREAM_EOF);
 315     testString(UStr, u_austrcpy(testcase, testCase5), expectedResultD, IOSTREAM_GOOD);
 316     testString(UStr, u_austrcpy(testcase, testCase6), expectedResultD, IOSTREAM_GOOD);
 317 }
 318 U_CDECL_END
 319
 320 U_CFUNC void addStreamTests(TestNode** root) {
 321     addTest(root, &TestStream, "stream/TestStream");
 322     addTest(root, &TestStreamEOF, "stream/TestStreamEOF");
 323 }