Check in the pristine copy of ICU 4.6...

icu46/source/test/iotest/stream.cpp

+/*
+**********************************************************************
+*   Copyright (C) 2002-2010, 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>
+#include <iomanip>
+using namespace std;
+#elif U_IOSTREAM_SOURCE >= 198506
+#define USE_OLD_IOSTREAM 1
+#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
+
+#if U_IOSTREAM_SOURCE
+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;
+    }
+
+    /* Test formatting when using '<<' and UnicodeString */
+#ifdef USE_SSTREAM
+    ostringstream outFormatStream;
+#else
+    char testFormatStreamBuf[512];
+    memset(testFormatStreamBuf, 0, sizeof(testFormatStreamBuf));
+    ostrstream outFormatStream(testFormatStreamBuf, sizeof(testFormatStreamBuf));
+#endif
+    UnicodeString ustr("string");
+
+    outFormatStream << "1234567890" << setw(10) << left << ustr << " " << "0123456789";
+
+#ifdef USE_SSTREAM
+    tempStr = outFormatStream.str();
+    const char *testFormatStreamBuf = tempStr.c_str();
+#endif
+    const char *format_test_expected = "1234567890string     0123456789";
+    if (strcmp(format_test_expected, testFormatStreamBuf) != 0) {
+        log_err("UnicodeString format test using << operator Got: '%s' Expected: '%s'\n", testFormatStreamBuf, format_test_expected);
+    }
+
+    /* Test large buffer (size > 200) when using '<<' and UnicodeString */
+#ifdef USE_SSTREAM
+    ostringstream outLargeStream;
+#else
+    char testLargeStreamBuf[512];
+    memset(testLargeStreamBuf, 0, sizeof(testLargeStreamBuf));
+    ostrstream outLargeStream(testLargeStreamBuf, sizeof(testLargeStreamBuf));
+#endif
+    UChar large_array[200];
+    int32_t large_array_length = sizeof(large_array)/sizeof(UChar);
+    for (int32_t i = 0; i < large_array_length; i++) {
+        large_array[i] = 0x41;
+    }
+    UnicodeString large_array_unistr(large_array, large_array_length);
+
+    outLargeStream << large_array_unistr;
+
+#ifdef USE_SSTREAM
+    string tmpString = outLargeStream.str();
+    const char *testLargeStreamBuf = tmpString.c_str();
+#endif
+    char expectedLargeStreamBuf[300];
+    int32_t expectedBufLength = sizeof(expectedLargeStreamBuf);
+
+    ucnv_fromUChars(defConv, expectedLargeStreamBuf, expectedBufLength, large_array, large_array_length, &status);
+    if (U_SUCCESS(status)) {
+        if (strcmp(testLargeStreamBuf, expectedLargeStreamBuf) != 0) {
+            log_err("Large UnicodeString operator << output incorrect.\n");
+        }
+    } else {
+        log_err("Error converting string for large stream buffer testing.\n");
+    }
+    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 UChar*    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);
+#ifdef USE_OLD_IOSTREAM
+        log_info("Warning. Expected status %d, Got %d. This maybe caused by the fact that the non-standardized iostream is being used.\n", expectedStatus, getBitStatus(sstrm));
+        log_info("See verbose output for details.\n");
+#else
+        log_err("Expected status %d, Got %d. See verbose output for details\n", expectedStatus, getBitStatus(sstrm));
+#endif
+    }
+    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
+
+#ifdef USE_OLD_IOSTREAM
+    log_info("Old non-standardized iostream being used. This may result in inconsistent state flag settings. (e.g. failbit may not be set properly)\n");
+    log_info("In such a case, warnings will be issued instead of errors.\n");
+#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");
+
+    /* The test cases needs to be converted to the default codepage.  However, the stream operator needs char* so U_STRING_* is called. */
+    U_STRING_DECL(testCase1, "", 0);
+    U_STRING_INIT(testCase1, "", 0);
+    U_STRING_DECL(testCase2, "foo", 3);
+    U_STRING_INIT(testCase2, "foo", 3);
+    U_STRING_DECL(testCase3, "   ", 3);
+    U_STRING_INIT(testCase3, "   ", 3);
+    U_STRING_DECL(testCase4, "   bar", 6);
+    U_STRING_INIT(testCase4, "   bar", 6);
+    U_STRING_DECL(testCase5, "bar   ", 6);
+    U_STRING_INIT(testCase5, "bar   ", 6);
+    U_STRING_DECL(testCase6, "   bar   ", 9);
+    U_STRING_INIT(testCase6, "   bar   ", 9);
+
+
+    U_STRING_DECL(expectedResultA, "", 0);
+    U_STRING_INIT(expectedResultA, "", 0);
+    U_STRING_DECL(expectedResultB, "foo", 3);
+    U_STRING_INIT(expectedResultB, "foo", 3);
+    U_STRING_DECL(expectedResultC, "unchanged", 9);
+    U_STRING_INIT(expectedResultC, "unchanged", 9);
+    U_STRING_DECL(expectedResultD, "bar", 3);
+    U_STRING_INIT(expectedResultD, "bar", 3);
+
+
+    UnicodeString UStr;
+    UnicodeString expectedResults;
+    char testcase[10];
+    testString(UStr, u_austrcpy(testcase, testCase1), expectedResultA, IOSTREAM_EOF|IOSTREAM_FAIL);
+    testString(UStr, u_austrcpy(testcase, testCase2), expectedResultB, IOSTREAM_EOF);
+    UStr = UnicodeString(expectedResultC);
+    testString(UStr, u_austrcpy(testcase, testCase3), expectedResultC, IOSTREAM_EOF|IOSTREAM_FAIL);
+    testString(UStr, u_austrcpy(testcase, testCase4), expectedResultD, IOSTREAM_EOF);
+    testString(UStr, u_austrcpy(testcase, testCase5), expectedResultD, IOSTREAM_GOOD);
+    testString(UStr, u_austrcpy(testcase, testCase6), expectedResultD, IOSTREAM_GOOD);
+}
+U_CDECL_END
+
+U_CFUNC void addStreamTests(TestNode** root) {
+    addTest(root, &TestStream, "stream/TestStream");
+    addTest(root, &TestStreamEOF, "stream/TestStreamEOF");
+}
+#endif