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 U_IOSTREAM_SOURCE >= 199711
  27 #if defined(__GNUC__) && __GNUC__ >= 4
  28 #define USE_SSTREAM 1
  29 #include <sstream>
  30 #else
  31 // <strstream> is deprecated on some platforms, and the compiler complains very loudly if you use it.
  32 #include <strstream>
  33 #endif
  34 #include <fstream>
  35 #include <iomanip>
  36 using namespace std;
  37
  38 #include <string.h>
  39
  40 U_CDECL_BEGIN
  41 #if U_PLATFORM_USES_ONLY_WIN32_API
  42 const UChar NEW_LINE[] = {0x0d,0x0a,0};
  43 const char C_NEW_LINE[] = {0x0d,0x0a,0};
  44 #define UTF8_NEW_LINE "\x0d\x0a"
  45 #else
  46 const UChar NEW_LINE[] = {0x0a,0};
  47 const char C_NEW_LINE[] = {'\n',0};
  48 #define UTF8_NEW_LINE "\x0a"
  49 #endif
  50 U_CDECL_END
  51
  52 U_CDECL_BEGIN
  53 static void U_CALLCONV TestStream(void)
  54 {
  55     const UChar thisMu[] = { 0x74, 0x48, 0x69, 0x73, 0x3BC, 0};
  56     const UChar mu[] = { 0x6D, 0x75, 0};
  57     UnicodeString str1 = UNICODE_STRING_SIMPLE("str1");
  58     UnicodeString str2 = UNICODE_STRING_SIMPLE(" <<");
  59     UnicodeString str3 = UNICODE_STRING_SIMPLE("2");
  60     UnicodeString str4 = UNICODE_STRING_SIMPLE(" UTF-8 ");
  61     UnicodeString inStr = UNICODE_STRING_SIMPLE(" UTF-8 ");
  62     UnicodeString inStr2;
  63     char defConvName[UCNV_MAX_CONVERTER_NAME_LENGTH*2];
  64     char inStrC[128];
  65     UErrorCode status = U_ZERO_ERROR;
  66     UConverter *defConv;
  67     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";
  68
  69     str4.append((UChar32)0x03BC);   /* mu */
  70     str4.append((UChar32)0x10001);
  71     str4.append((UChar32)0x10002);
  72
  73     /* release the default converter and use utf-8 for a bit */
  74     defConv = u_getDefaultConverter(&status);
  75     if (U_FAILURE(status)) {
  76         log_err("Can't get default converter\n");
  77         return;
  78     }
  79     ucnv_close(defConv);
  80     strncpy(defConvName, ucnv_getDefaultName(), UPRV_LENGTHOF(defConvName));
  81     ucnv_setDefaultName("UTF-8");
  82
  83     static const char * const TESTSTRING = "\x20\x74\x48\x69\x73\xCE\xBC\xE2\x80\x82\x20\x6D\x75\x20\x77\x6F\x72\x6C\x64";
  84 #ifdef USE_SSTREAM
  85     ostringstream outTestStream;
  86     istringstream inTestStream(TESTSTRING);
  87 #else
  88     char testStreamBuf[512];
  89     ostrstream outTestStream(testStreamBuf, sizeof(testStreamBuf));
  90     istrstream inTestStream(TESTSTRING, 0);
  91
  92     /* initialize testStreamBuf */
  93     memset(testStreamBuf, '*', sizeof(testStreamBuf));
  94     testStreamBuf[sizeof(testStreamBuf)-1] = 0;
  95 #endif
  96
  97     outTestStream << "\x42\x65\x67\x69\x6E\x6E\x69\x6E\x67\x20\x6F\x66\x20\x74\x65\x73\x74\x20";
  98     outTestStream << str1 << "\x20\x20" << str2 << str3 << "\x31\x20" << UTF8_NEW_LINE << str4 << ends;
  99 #ifdef USE_SSTREAM
 100     string tempStr = outTestStream.str();
 101     const char *testStreamBuf = tempStr.c_str();
 102 #endif
 103     if (strcmp(testStreamBuf, testStr) != 0) {
 104         log_err("Got: \"%s\", Expected: \"%s\"\n", testStreamBuf, testStr);
 105     }
 106
 107     inTestStream >> inStr >> inStr2;
 108     if (inStr.compare(thisMu) != 0) {
 109         u_austrncpy(inStrC, toUCharPtr(inStr.getBuffer()), inStr.length());
 110         inStrC[inStr.length()] = 0;
 111         log_err("Got: \"%s\", Expected: \"tHis\\u03BC\"\n", inStrC);
 112     }
 113     if (inStr2.compare(mu) != 0) {
 114         u_austrncpy(inStrC, toUCharPtr(inStr.getBuffer()), inStr.length());
 115         inStrC[inStr.length()] = 0;
 116         log_err("Got: \"%s\", Expected: \"mu\"\n", inStrC);
 117     }
 118
 119     /* return the default converter to the original state. */
 120     ucnv_setDefaultName(defConvName);
 121     defConv = u_getDefaultConverter(&status);
 122     if (U_FAILURE(status)) {
 123         log_err("Can't get default converter");
 124         return;
 125     }
 126
 127     /* Test formatting when using '<<' and UnicodeString */
 128 #ifdef USE_SSTREAM
 129     ostringstream outFormatStream;
 130 #else
 131     char testFormatStreamBuf[512];
 132     memset(testFormatStreamBuf, 0, sizeof(testFormatStreamBuf));
 133     ostrstream outFormatStream(testFormatStreamBuf, sizeof(testFormatStreamBuf));
 134 #endif
 135     UnicodeString ustr("string");
 136
 137     outFormatStream << "1234567890" << setw(10) << left << ustr << " " << "0123456789";
 138
 139 #ifdef USE_SSTREAM
 140     tempStr = outFormatStream.str();
 141     const char *testFormatStreamBuf = tempStr.c_str();
 142 #endif
 143     const char *format_test_expected = "1234567890string     0123456789";
 144     if (strcmp(format_test_expected, testFormatStreamBuf) != 0) {
 145         log_err("UnicodeString format test using << operator Got: '%s' Expected: '%s'\n", testFormatStreamBuf, format_test_expected);
 146     }
 147
 148     /* Test large buffer (size > 200) when using '<<' and UnicodeString */
 149 #ifdef USE_SSTREAM
 150     ostringstream outLargeStream;
 151 #else
 152     char testLargeStreamBuf[512];
 153     memset(testLargeStreamBuf, 0, sizeof(testLargeStreamBuf));
 154     ostrstream outLargeStream(testLargeStreamBuf, sizeof(testLargeStreamBuf));
 155 #endif
 156     UChar large_array[200];
 157     int32_t large_array_length = UPRV_LENGTHOF(large_array);
 158     for (int32_t i = 0; i < large_array_length; i++) {
 159         large_array[i] = 0x41;
 160     }
 161     UnicodeString large_array_unistr(large_array, large_array_length);
 162
 163     outLargeStream << large_array_unistr;
 164
 165 #ifdef USE_SSTREAM
 166     string tmpString = outLargeStream.str();
 167     const char *testLargeStreamBuf = tmpString.c_str();
 168 #endif
 169     char expectedLargeStreamBuf[300];
 170     int32_t expectedBufLength = sizeof(expectedLargeStreamBuf);
 171
 172     ucnv_fromUChars(defConv, expectedLargeStreamBuf, expectedBufLength, large_array, large_array_length, &status);
 173     if (U_SUCCESS(status)) {
 174         if (strcmp(testLargeStreamBuf, expectedLargeStreamBuf) != 0) {
 175             log_err("Large UnicodeString operator << output incorrect.\n");
 176         }
 177     } else {
 178         log_err("Error converting string for large stream buffer testing.\n");
 179     }
 180     ucnv_close(defConv);
 181 }
 182
 183 #define IOSTREAM_GOOD_SHIFT 3
 184 #define IOSTREAM_GOOD (1<<IOSTREAM_GOOD_SHIFT)
 185 #define IOSTREAM_BAD_SHIFT 2
 186 #define IOSTREAM_BAD (1<<IOSTREAM_BAD_SHIFT)
 187 #define IOSTREAM_EOF_SHIFT 1
 188 #define IOSTREAM_EOF (1<<IOSTREAM_EOF_SHIFT)
 189 #define IOSTREAM_FAIL_SHIFT 0
 190 #define IOSTREAM_FAIL (1<<IOSTREAM_FAIL_SHIFT)
 191
 192 static int32_t getBitStatus(const iostream&  stream) {
 193     return (stream.good()<<IOSTREAM_GOOD_SHIFT)
 194         | (stream.bad()<<IOSTREAM_BAD_SHIFT)
 195         | (stream.eof()<<IOSTREAM_EOF_SHIFT)
 196         | (stream.fail()<<IOSTREAM_FAIL_SHIFT);
 197 }
 198
 199 void
 200 printBits(const iostream&  stream)
 201 {
 202     int32_t status = getBitStatus(stream);
 203     log_verbose("status 0x%02X (", status);
 204     if (status & IOSTREAM_GOOD) {
 205         log_verbose("good");
 206     }
 207     if (status & IOSTREAM_BAD) {
 208         log_verbose("bad");
 209     }
 210     if (status & IOSTREAM_EOF) {
 211         log_verbose("eof");
 212     }
 213     if (status & IOSTREAM_FAIL) {
 214         log_verbose("fail");
 215     }
 216     log_verbose(")\n");
 217 }
 218
 219 void
 220 testString(
 221             UnicodeString&  str,
 222             const char*     testString,
 223             const UChar*    expectedString,
 224             int32_t         expectedStatus)
 225 {
 226 #ifdef USE_SSTREAM
 227     stringstream sstrm;
 228 #else
 229     strstream sstrm;
 230 #endif
 231
 232     sstrm << testString;
 233
 234     /*log_verbose("iostream before operator::>>() call \"%s\" ", testString);
 235     printBits(sstrm);*/
 236
 237     sstrm >> str;
 238
 239     log_verbose("iostream after operator::>>() call \"%s\" ", testString);
 240     printBits(sstrm);
 241
 242     if (getBitStatus(sstrm) != expectedStatus) {
 243         printBits(sstrm);
 244         log_err("Expected status %d, Got %d. See verbose output for details\n", expectedStatus, getBitStatus(sstrm));
 245     }
 246     if (str != UnicodeString(expectedString)) {
 247         log_err("Did not get expected results from \"%s\", expected \"%s\"\n", testString, expectedString);
 248     }
 249 }
 250
 251
 252 static void U_CALLCONV TestStreamEOF(void)
 253 {
 254     UnicodeString dest;
 255     fstream fs(STANDARD_TEST_FILE, fstream::in | fstream::out | fstream::trunc);
 256 #ifdef USE_SSTREAM
 257     stringstream ss;
 258 #else
 259     strstream ss;
 260 #endif
 261
 262     fs << "EXAMPLE";
 263     fs.seekg(0);
 264     ss << "EXAMPLE";
 265
 266     if (!(fs >> dest)) {
 267         log_err("Reading of file did not return expected status result\n");
 268     }
 269     if (dest != "EXAMPLE") {
 270         log_err("Reading of file did not return expected string\n");
 271     }
 272
 273     if (!(ss >> dest)) {
 274         log_err("Reading of string did not return expected status result\n");
 275     }
 276     if (dest != "EXAMPLE") {
 277         log_err("Reading of string did not return expected string\n");
 278     }
 279     fs.close();
 280
 281     log_verbose("Testing operator >> for UnicodeString...\n");
 282
 283     /* The test cases needs to be converted to the default codepage.  However, the stream operator needs char* so U_STRING_* is called. */
 284     U_STRING_DECL(testCase1, "", 0);
 285     U_STRING_INIT(testCase1, "", 0);
 286     U_STRING_DECL(testCase2, "foo", 3);
 287     U_STRING_INIT(testCase2, "foo", 3);
 288     U_STRING_DECL(testCase3, "   ", 3);
 289     U_STRING_INIT(testCase3, "   ", 3);
 290     U_STRING_DECL(testCase4, "   bar", 6);
 291     U_STRING_INIT(testCase4, "   bar", 6);
 292     U_STRING_DECL(testCase5, "bar   ", 6);
 293     U_STRING_INIT(testCase5, "bar   ", 6);
 294     U_STRING_DECL(testCase6, "   bar   ", 9);
 295     U_STRING_INIT(testCase6, "   bar   ", 9);
 296
 297
 298     U_STRING_DECL(expectedResultA, "", 0);
 299     U_STRING_INIT(expectedResultA, "", 0);
 300     U_STRING_DECL(expectedResultB, "foo", 3);
 301     U_STRING_INIT(expectedResultB, "foo", 3);
 302     U_STRING_DECL(expectedResultC, "unchanged", 9);
 303     U_STRING_INIT(expectedResultC, "unchanged", 9);
 304     U_STRING_DECL(expectedResultD, "bar", 3);
 305     U_STRING_INIT(expectedResultD, "bar", 3);
 306
 307
 308     UnicodeString UStr;
 309     UnicodeString expectedResults;
 310     char testcase[10];
 311     testString(UStr, u_austrcpy(testcase, testCase1), expectedResultA, IOSTREAM_EOF|IOSTREAM_FAIL);
 312     testString(UStr, u_austrcpy(testcase, testCase2), expectedResultB, IOSTREAM_EOF);
 313     UStr = UnicodeString(expectedResultC);
 314     testString(UStr, u_austrcpy(testcase, testCase3), expectedResultC, IOSTREAM_EOF|IOSTREAM_FAIL);
 315     testString(UStr, u_austrcpy(testcase, testCase4), expectedResultD, IOSTREAM_EOF);
 316     testString(UStr, u_austrcpy(testcase, testCase5), expectedResultD, IOSTREAM_GOOD);
 317     testString(UStr, u_austrcpy(testcase, testCase6), expectedResultD, IOSTREAM_GOOD);
 318 }
 319 U_CDECL_END
 320
 321 U_CFUNC void addStreamTests(TestNode** root) {
 322     addTest(root, &TestStream, "stream/TestStream");
 323     addTest(root, &TestStreamEOF, "stream/TestStreamEOF");
 324 }
 325 #endif