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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
TestStream(void)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 
getBitStatus(const iostream & stream)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
printBits(const iostream & stream)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
testString(UnicodeString & str,const char * testString,const UChar * expectedString,int32_t expectedStatus)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 
TestStreamEOF(void)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 
addStreamTests(TestNode ** root)320 U_CFUNC void addStreamTests(TestNode** root) {
321     addTest(root, &TestStream, "stream/TestStream");
322     addTest(root, &TestStreamEOF, "stream/TestStreamEOF");
323 }
324