scuffed-code/icu4c/source/test/iotest/stream.cpp
George Rhoten 4976895e3b ICU-5830 Better iostream error handling
X-SVN-Rev: 22629
2007-09-06 08:23:24 +00:00

248 lines
7.3 KiB
C++

/*
**********************************************************************
* Copyright (C) 2002-2006, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
* file name: iotest.cpp
* encoding: US-ASCII
* tab size: 8 (not used)
* indentation:4
*
* created on: 2002feb21
* created by: George Rhoten
*/
#include "unicode/ustream.h"
#include "unicode/ucnv.h"
#include "unicode/ustring.h"
#include "ustr_cnv.h"
#include "iotest.h"
#if U_IOSTREAM_SOURCE >= 199711
#if defined(__GNUC__) && __GNUC__ >= 4
#define USE_SSTREAM 1
#include <sstream>
#else
// <strstream> is deprecated on some platforms, and the compiler complains very loudly if you use it.
#include <strstream>
#endif
#include <fstream>
using namespace std;
#elif U_IOSTREAM_SOURCE >= 198506
#include <strstream.h>
#include <fstream.h>
#endif
#include <string.h>
U_CDECL_BEGIN
#ifdef U_WINDOWS
const UChar NEW_LINE[] = {0x0d,0x0a,0};
const char C_NEW_LINE[] = {0x0d,0x0a,0};
#define UTF8_NEW_LINE "\x0d\x0a"
#else
const UChar NEW_LINE[] = {0x0a,0};
const char C_NEW_LINE[] = {'\n',0};
#define UTF8_NEW_LINE "\x0a"
#endif
U_CDECL_END
U_CDECL_BEGIN
static void U_CALLCONV TestStream(void)
{
#if U_IOSTREAM_SOURCE >= 198506
const UChar thisMu[] = { 0x74, 0x48, 0x69, 0x73, 0x3BC, 0};
const UChar mu[] = { 0x6D, 0x75, 0};
UnicodeString str1 = UNICODE_STRING_SIMPLE("str1");
UnicodeString str2 = UNICODE_STRING_SIMPLE(" <<");
UnicodeString str3 = UNICODE_STRING_SIMPLE("2");
UnicodeString str4 = UNICODE_STRING_SIMPLE(" UTF-8 ");
UnicodeString inStr = UNICODE_STRING_SIMPLE(" UTF-8 ");
UnicodeString inStr2;
char defConvName[UCNV_MAX_CONVERTER_NAME_LENGTH*2];
char inStrC[128];
UErrorCode status = U_ZERO_ERROR;
UConverter *defConv;
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";
str4.append((UChar32)0x03BC); /* mu */
str4.append((UChar32)0x10001);
str4.append((UChar32)0x10002);
/* release the default converter and use utf-8 for a bit */
defConv = u_getDefaultConverter(&status);
if (U_FAILURE(status)) {
log_err("Can't get default converter\n");
return;
}
ucnv_close(defConv);
strncpy(defConvName, ucnv_getDefaultName(), sizeof(defConvName)/sizeof(defConvName[0]));
ucnv_setDefaultName("UTF-8");
static const char * const TESTSTRING = "\x20\x74\x48\x69\x73\xCE\xBC\xE2\x80\x82\x20\x6D\x75\x20\x77\x6F\x72\x6C\x64";
#ifdef USE_SSTREAM
ostringstream outTestStream;
istringstream inTestStream(TESTSTRING);
#else
char testStreamBuf[512];
ostrstream outTestStream(testStreamBuf, sizeof(testStreamBuf));
istrstream inTestStream(TESTSTRING, 0);
/* initialize testStreamBuf */
memset(testStreamBuf, '*', sizeof(testStreamBuf));
testStreamBuf[sizeof(testStreamBuf)-1] = 0;
#endif
outTestStream << "\x42\x65\x67\x69\x6E\x6E\x69\x6E\x67\x20\x6F\x66\x20\x74\x65\x73\x74\x20";
outTestStream << str1 << "\x20\x20" << str2 << str3 << "\x31\x20" << UTF8_NEW_LINE << str4 << ends;
#ifdef USE_SSTREAM
string tempStr = outTestStream.str();
const char *testStreamBuf = tempStr.c_str();
#endif
if (strcmp(testStreamBuf, testStr) != 0) {
log_err("Got: \"%s\", Expected: \"%s\"\n", testStreamBuf, testStr);
}
inTestStream >> inStr >> inStr2;
if (inStr.compare(thisMu) != 0) {
u_austrncpy(inStrC, inStr.getBuffer(), inStr.length());
inStrC[inStr.length()] = 0;
log_err("Got: \"%s\", Expected: \"tHis\\u03BC\"\n", inStrC);
}
if (inStr2.compare(mu) != 0) {
u_austrncpy(inStrC, inStr.getBuffer(), inStr.length());
inStrC[inStr.length()] = 0;
log_err("Got: \"%s\", Expected: \"mu\"\n", inStrC);
}
/* return the default converter to the original state. */
ucnv_setDefaultName(defConvName);
defConv = u_getDefaultConverter(&status);
if (U_FAILURE(status)) {
log_err("Can't get default converter");
return;
}
ucnv_close(defConv);
#else
log_info("U_IOSTREAM_SOURCE is disabled\n");
#endif
}
#define IOSTREAM_GOOD_SHIFT 3
#define IOSTREAM_GOOD (1<<IOSTREAM_GOOD_SHIFT)
#define IOSTREAM_BAD_SHIFT 2
#define IOSTREAM_BAD (1<<IOSTREAM_BAD_SHIFT)
#define IOSTREAM_EOF_SHIFT 1
#define IOSTREAM_EOF (1<<IOSTREAM_EOF_SHIFT)
#define IOSTREAM_FAIL_SHIFT 0
#define IOSTREAM_FAIL (1<<IOSTREAM_FAIL_SHIFT)
static int32_t getBitStatus(const iostream& stream) {
return (stream.good()<<IOSTREAM_GOOD_SHIFT)
| (stream.bad()<<IOSTREAM_BAD_SHIFT)
| (stream.eof()<<IOSTREAM_EOF_SHIFT)
| (stream.fail()<<IOSTREAM_FAIL_SHIFT);
}
void
printBits(const iostream& stream)
{
int32_t status = getBitStatus(stream);
log_verbose("status 0x%02X (", status);
if (status & IOSTREAM_GOOD) {
log_verbose("good");
}
if (status & IOSTREAM_BAD) {
log_verbose("bad");
}
if (status & IOSTREAM_EOF) {
log_verbose("eof");
}
if (status & IOSTREAM_FAIL) {
log_verbose("fail");
}
log_verbose(")\n");
}
void
testString(
UnicodeString& str,
const char* testString,
const char* expectedString,
int32_t expectedStatus)
{
#ifdef USE_SSTREAM
stringstream sstrm;
#else
strstream sstrm;
#endif
sstrm << testString;
/*log_verbose("iostream before operator::>>() call \"%s\" ", testString);
printBits(sstrm);*/
sstrm >> str;
log_verbose("iostream after operator::>>() call \"%s\" ", testString);
printBits(sstrm);
if (getBitStatus(sstrm) != expectedStatus) {
printBits(sstrm);
log_err("Expected status %d, Got %d. See verbose output for details\n", getBitStatus(sstrm), expectedStatus);
}
if (str != UnicodeString(expectedString)) {
log_err("Did not get expected results from \"%s\", expected \"%s\"\n", testString, expectedString);
}
}
static void U_CALLCONV TestStreamEOF(void)
{
UnicodeString dest;
fstream fs(STANDARD_TEST_FILE, fstream::in | fstream::out | fstream::trunc);
#ifdef USE_SSTREAM
stringstream ss;
#else
strstream ss;
#endif
fs << "EXAMPLE";
fs.seekg(0);
ss << "EXAMPLE";
if (!(fs >> dest)) {
log_err("Reading of file did not return expected status result\n");
}
if (dest != "EXAMPLE") {
log_err("Reading of file did not return expected string\n");
}
if (!(ss >> dest)) {
log_err("Reading of string did not return expected status result\n");
}
if (dest != "EXAMPLE") {
log_err("Reading of string did not return expected string\n");
}
fs.close();
log_verbose("Testing operator >> for UnicodeString...\n");
UnicodeString UStr;
testString(UStr, "", "", IOSTREAM_EOF|IOSTREAM_FAIL);
testString(UStr, "foo", "foo", IOSTREAM_EOF);
UStr = "unchanged";
testString(UStr, " ", "unchanged", IOSTREAM_EOF|IOSTREAM_FAIL);
testString(UStr, " bar", "bar", IOSTREAM_EOF);
testString(UStr, "bar ", "bar", IOSTREAM_GOOD);
testString(UStr, " bar ", "bar", IOSTREAM_GOOD);
}
U_CDECL_END
U_CFUNC void addStreamTests(TestNode** root) {
addTest(root, &TestStream, "stream/TestStream");
addTest(root, &TestStreamEOF, "stream/TestStreamEOF");
}