607 lines
22 KiB
C++
607 lines
22 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/***********************************************************************
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* COPYRIGHT:
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* Copyright (c) 1997-2015, International Business Machines Corporation
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* and others. All Rights Reserved.
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***********************************************************************/
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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#include "unicode/datefmt.h"
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#include "unicode/smpdtfmt.h"
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#include "unicode/gregocal.h"
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#include "dtfmtrtts.h"
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#include "caltest.h"
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#include "cstring.h"
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#include <stdio.h>
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#include <string.h>
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// *****************************************************************************
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// class DateFormatRoundTripTest
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// *****************************************************************************
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// Useful for turning up subtle bugs: Change the following to TRUE, recompile,
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// and run while at lunch.
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// Warning -- makes test run infinite loop!!!
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#ifndef INFINITE
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#define INFINITE 0
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#endif
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// Define this to test just a single locale
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//#define TEST_ONE_LOC "cs_CZ"
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// If SPARSENESS is > 0, we don't run each exhaustive possibility.
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// There are 24 total possible tests per each locale. A SPARSENESS
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// of 12 means we run half of them. A SPARSENESS of 23 means we run
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// 1 of them. SPARSENESS _must_ be in the range 0..23.
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int32_t DateFormatRoundTripTest::SPARSENESS = 0;
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int32_t DateFormatRoundTripTest::TRIALS = 4;
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int32_t DateFormatRoundTripTest::DEPTH = 5;
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DateFormatRoundTripTest::DateFormatRoundTripTest() : dateFormat(0) {
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}
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DateFormatRoundTripTest::~DateFormatRoundTripTest() {
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delete dateFormat;
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}
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#define CASE(id,test) case id: name = #test; if (exec) { logln(#test "---"); logln((UnicodeString)""); test(); } break;
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void
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DateFormatRoundTripTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* par )
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{
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optionv = (par && *par=='v');
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switch (index) {
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CASE(0,TestDateFormatRoundTrip)
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CASE(1, TestCentury)
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default: name = ""; break;
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}
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}
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UBool
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DateFormatRoundTripTest::failure(UErrorCode status, const char* msg)
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{
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if(U_FAILURE(status)) {
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errln(UnicodeString("FAIL: ") + msg + " failed, error " + u_errorName(status));
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return TRUE;
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}
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return FALSE;
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}
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UBool
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DateFormatRoundTripTest::failure(UErrorCode status, const char* msg, const UnicodeString& str)
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{
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if(U_FAILURE(status)) {
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UnicodeString escaped;
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escape(str,escaped);
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errln(UnicodeString("FAIL: ") + msg + " failed, error " + u_errorName(status) + ", str=" + escaped);
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return TRUE;
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}
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return FALSE;
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}
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void DateFormatRoundTripTest::TestCentury()
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{
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UErrorCode status = U_ZERO_ERROR;
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Locale locale("es_PA");
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UnicodeString pattern = "MM/dd/yy hh:mm:ss a z";
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SimpleDateFormat fmt(pattern, locale, status);
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if (U_FAILURE(status)) {
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dataerrln("Fail: construct SimpleDateFormat: %s", u_errorName(status));
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return;
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}
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UDate date[] = {-55018555891590.05, 0, 0};
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UnicodeString result[2];
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fmt.format(date[0], result[0]);
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date[1] = fmt.parse(result[0], status);
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fmt.format(date[1], result[1]);
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date[2] = fmt.parse(result[1], status);
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/* This test case worked OK by accident before. date[1] != date[0],
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* because we use -80/+20 year window for 2-digit year parsing.
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* (date[0] is in year 1926, date[1] is in year 2026.) result[1] set
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* by the first format call returns "07/13/26 07:48:28 p.m. PST",
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* which is correct, because DST was not used in year 1926 in zone
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* America/Los_Angeles. When this is parsed, date[1] becomes a time
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* in 2026, which is "07/13/26 08:48:28 p.m. PDT". There was a zone
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* offset calculation bug that observed DST in 1926, which was resolved.
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* Before the bug was resolved, result[0] == result[1] was true,
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* but after the bug fix, the expected result is actually
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* result[0] != result[1]. -Yoshito
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*/
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/* TODO: We need to review this code and clarify what we really
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* want to test here.
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*/
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//if (date[1] != date[2] || result[0] != result[1]) {
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if (date[1] != date[2]) {
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errln("Round trip failure: \"%S\" (%f), \"%S\" (%f)", result[0].getBuffer(), date[1], result[1].getBuffer(), date[2]);
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}
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}
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// ==
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void DateFormatRoundTripTest::TestDateFormatRoundTrip()
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{
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UErrorCode status = U_ZERO_ERROR;
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getFieldCal = Calendar::createInstance(status);
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if (U_FAILURE(status)) {
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dataerrln("Fail: Calendar::createInstance: %s", u_errorName(status));
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return;
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}
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int32_t locCount = 0;
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const Locale *avail = DateFormat::getAvailableLocales(locCount);
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logln("DateFormat available locales: %d", locCount);
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if(quick) {
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SPARSENESS = 18;
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logln("Quick mode: only testing SPARSENESS = 18");
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}
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TimeZone *tz = TimeZone::createDefault();
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UnicodeString temp;
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logln("Default TimeZone: " + tz->getID(temp));
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delete tz;
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#ifdef TEST_ONE_LOC // define this to just test ONE locale.
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Locale loc(TEST_ONE_LOC);
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test(loc);
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#if INFINITE
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for(;;) {
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test(loc);
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}
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#endif
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#else
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# if INFINITE
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// Special infinite loop test mode for finding hard to reproduce errors
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Locale loc = Locale::getDefault();
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logln("ENTERING INFINITE TEST LOOP FOR Locale: " + loc.getDisplayName(temp));
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for(;;)
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test(loc);
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# else
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test(Locale::getDefault());
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#if 1
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// installed locales
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for (int i=0; i < locCount; ++i) {
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test(avail[i]);
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}
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#endif
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#if 1
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// special locales
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int32_t jCount = CalendarTest::testLocaleCount();
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for (int32_t j=0; j < jCount; ++j) {
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test(Locale(CalendarTest::testLocaleID(j)));
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}
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#endif
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# endif
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#endif
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delete getFieldCal;
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}
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static const char *styleName(DateFormat::EStyle s)
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{
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switch(s)
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{
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case DateFormat::SHORT: return "SHORT";
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case DateFormat::MEDIUM: return "MEDIUM";
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case DateFormat::LONG: return "LONG";
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case DateFormat::FULL: return "FULL";
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// case DateFormat::DEFAULT: return "DEFAULT";
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case DateFormat::DATE_OFFSET: return "DATE_OFFSET";
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case DateFormat::NONE: return "NONE";
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case DateFormat::DATE_TIME: return "DATE_TIME";
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default: return "Unknown";
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}
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}
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void DateFormatRoundTripTest::test(const Locale& loc)
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{
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UnicodeString temp;
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#if !INFINITE
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logln("Locale: " + loc.getDisplayName(temp));
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#endif
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// Total possibilities = 24
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// 4 date
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// 4 time
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// 16 date-time
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UBool TEST_TABLE [24];//= new boolean[24];
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int32_t i = 0;
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for(i = 0; i < 24; ++i)
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TEST_TABLE[i] = TRUE;
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// If we have some sparseness, implement it here. Sparseness decreases
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// test time by eliminating some tests, up to 23.
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for(i = 0; i < SPARSENESS; ) {
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int random = (int)(randFraction() * 24);
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if (random >= 0 && random < 24 && TEST_TABLE[i]) {
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TEST_TABLE[i] = FALSE;
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++i;
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}
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}
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int32_t itable = 0;
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int32_t style = 0;
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for(style = DateFormat::FULL; style <= DateFormat::SHORT; ++style) {
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if(TEST_TABLE[itable++]) {
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logln("Testing style " + UnicodeString(styleName((DateFormat::EStyle)style)));
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DateFormat *df = DateFormat::createDateInstance((DateFormat::EStyle)style, loc);
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if(df == NULL) {
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errln(UnicodeString("Could not DF::createDateInstance ") + UnicodeString(styleName((DateFormat::EStyle)style)) + " Locale: " + loc.getDisplayName(temp));
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} else {
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test(df, loc);
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delete df;
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}
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}
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}
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for(style = DateFormat::FULL; style <= DateFormat::SHORT; ++style) {
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if (TEST_TABLE[itable++]) {
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logln("Testing style " + UnicodeString(styleName((DateFormat::EStyle)style)));
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DateFormat *df = DateFormat::createTimeInstance((DateFormat::EStyle)style, loc);
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if(df == NULL) {
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errln(UnicodeString("Could not DF::createTimeInstance ") + UnicodeString(styleName((DateFormat::EStyle)style)) + " Locale: " + loc.getDisplayName(temp));
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} else {
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test(df, loc, TRUE);
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delete df;
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}
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}
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}
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for(int32_t dstyle = DateFormat::FULL; dstyle <= DateFormat::SHORT; ++dstyle) {
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for(int32_t tstyle = DateFormat::FULL; tstyle <= DateFormat::SHORT; ++tstyle) {
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if(TEST_TABLE[itable++]) {
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logln("Testing dstyle" + UnicodeString(styleName((DateFormat::EStyle)dstyle)) + ", tstyle" + UnicodeString(styleName((DateFormat::EStyle)tstyle)) );
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DateFormat *df = DateFormat::createDateTimeInstance((DateFormat::EStyle)dstyle, (DateFormat::EStyle)tstyle, loc);
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if(df == NULL) {
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dataerrln(UnicodeString("Could not DF::createDateTimeInstance ") + UnicodeString(styleName((DateFormat::EStyle)dstyle)) + ", tstyle" + UnicodeString(styleName((DateFormat::EStyle)tstyle)) + "Locale: " + loc.getDisplayName(temp));
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} else {
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test(df, loc);
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delete df;
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}
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}
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}
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}
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}
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void DateFormatRoundTripTest::test(DateFormat *fmt, const Locale &origLocale, UBool timeOnly)
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{
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UnicodeString pat;
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if(fmt->getDynamicClassID() != SimpleDateFormat::getStaticClassID()) {
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errln("DateFormat wasn't a SimpleDateFormat");
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return;
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}
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UBool isGregorian = FALSE;
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UErrorCode minStatus = U_ZERO_ERROR;
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if(fmt->getCalendar() == NULL) {
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errln((UnicodeString)"DateFormatRoundTripTest::test, DateFormat getCalendar() returns null for " + origLocale.getName());
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return;
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}
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UDate minDate = CalendarTest::minDateOfCalendar(*fmt->getCalendar(), isGregorian, minStatus);
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if(U_FAILURE(minStatus)) {
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errln((UnicodeString)"Failure getting min date for " + origLocale.getName());
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return;
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}
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//logln(UnicodeString("Min date is ") + fullFormat(minDate) + " for " + origLocale.getName());
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pat = ((SimpleDateFormat*)fmt)->toPattern(pat);
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// NOTE TO MAINTAINER
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// This indexOf check into the pattern needs to be refined to ignore
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// quoted characters. Currently, this isn't a problem with the locale
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// patterns we have, but it may be a problem later.
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UBool hasEra = (pat.indexOf(UnicodeString("G")) != -1);
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UBool hasZoneDisplayName = (pat.indexOf(UnicodeString("z")) != -1) || (pat.indexOf(UnicodeString("v")) != -1)
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|| (pat.indexOf(UnicodeString("V")) != -1);
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// Because patterns contain incomplete data representing the Date,
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// we must be careful of how we do the roundtrip. We start with
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// a randomly generated Date because they're easier to generate.
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// From this we get a string. The string is our real starting point,
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// because this string should parse the same way all the time. Note
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// that it will not necessarily parse back to the original date because
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// of incompleteness in patterns. For example, a time-only pattern won't
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// parse back to the same date.
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//try {
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for(int i = 0; i < TRIALS; ++i) {
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UDate *d = new UDate [DEPTH];
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UnicodeString *s = new UnicodeString[DEPTH];
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if(isGregorian == TRUE) {
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d[0] = generateDate();
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} else {
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d[0] = generateDate(minDate);
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}
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UErrorCode status = U_ZERO_ERROR;
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// We go through this loop until we achieve a match or until
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// the maximum loop count is reached. We record the points at
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// which the date and the string starts to match. Once matching
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// starts, it should continue.
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int loop;
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int dmatch = 0; // d[dmatch].getTime() == d[dmatch-1].getTime()
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int smatch = 0; // s[smatch].equals(s[smatch-1])
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for(loop = 0; loop < DEPTH; ++loop) {
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if (loop > 0) {
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d[loop] = fmt->parse(s[loop-1], status);
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if(U_FAILURE(status)) {
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ParsePosition ppos;
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(void)fmt->parse(s[loop-1], ppos);
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failure(status, "fmt->parse", s[loop-1]+" in locale: " + origLocale.getName() +
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" with pattern: " + pat + " has errIndex: " + ppos.getErrorIndex());
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status = U_ZERO_ERROR; /* any error would have been reported */
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}
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}
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s[loop] = fmt->format(d[loop], s[loop]);
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// For displaying which date is being tested
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//logln(s[loop] + " = " + fullFormat(d[loop]));
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if(s[loop].length() == 0) {
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errln("FAIL: fmt->format gave 0-length string in " + pat + " with number " + d[loop] + " in locale " + origLocale.getName());
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}
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if(loop > 0) {
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if(smatch == 0) {
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UBool match = s[loop] == s[loop-1];
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if(smatch == 0) {
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if(match)
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smatch = loop;
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}
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else if( ! match)
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errln("FAIL: String mismatch after match");
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}
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if(dmatch == 0) {
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// {sfb} watch out here, this might not work
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UBool match = d[loop]/*.getTime()*/ == d[loop-1]/*.getTime()*/;
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if(dmatch == 0) {
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if(match)
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dmatch = loop;
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}
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else if( ! match)
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errln("FAIL: Date mismatch after match");
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}
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if(smatch != 0 && dmatch != 0)
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break;
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}
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}
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// At this point loop == DEPTH if we've failed, otherwise loop is the
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// max(smatch, dmatch), that is, the index at which we have string and
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// date matching.
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// Date usually matches in 2. Exceptions handled below.
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int maxDmatch = 2;
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int maxSmatch = 1;
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if (dmatch > maxDmatch) {
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// Time-only pattern with zone information and a starting date in PST.
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if(timeOnly && hasZoneDisplayName) {
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int32_t startRaw, startDst;
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fmt->getTimeZone().getOffset(d[0], FALSE, startRaw, startDst, status);
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failure(status, "TimeZone::getOffset");
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// if the start offset is greater than the offset on Jan 1, 1970
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// in PST, then need one more round trip. There are two cases
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// fall into this category. The start date is 1) DST or
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// 2) LMT (GMT-07:52:58).
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if (startRaw + startDst > -28800000) {
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maxDmatch = 3;
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maxSmatch = 2;
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}
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}
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}
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// String usually matches in 1. Exceptions are checked for here.
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if(smatch > maxSmatch) { // Don't compute unless necessary
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UBool in0;
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// Starts in BC, with no era in pattern
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if( ! hasEra && getField(d[0], UCAL_ERA) == GregorianCalendar::BC)
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maxSmatch = 2;
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// Starts in DST, no year in pattern
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else if((in0=fmt->getTimeZone().inDaylightTime(d[0], status)) && ! failure(status, "gettingDaylightTime") &&
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pat.indexOf(UnicodeString("yyyy")) == -1)
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maxSmatch = 2;
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// If we start not in DST, but transition into DST
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else if (!in0 &&
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fmt->getTimeZone().inDaylightTime(d[1], status) && !failure(status, "gettingDaylightTime"))
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maxSmatch = 2;
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// Two digit year with no time zone change,
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// unless timezone isn't used or we aren't close to the DST changover
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else if (pat.indexOf(UnicodeString("y")) != -1
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&& pat.indexOf(UnicodeString("yyyy")) == -1
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&& getField(d[0], UCAL_YEAR)
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!= getField(d[dmatch], UCAL_YEAR)
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&& !failure(status, "error status [smatch>maxSmatch]")
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&& ((hasZoneDisplayName
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&& (fmt->getTimeZone().inDaylightTime(d[0], status)
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== fmt->getTimeZone().inDaylightTime(d[dmatch], status)
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|| getField(d[0], UCAL_MONTH) == UCAL_APRIL
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|| getField(d[0], UCAL_MONTH) == UCAL_OCTOBER))
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|| !hasZoneDisplayName)
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)
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{
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maxSmatch = 2;
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}
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// If zone display name is used, fallback format might be used before 1970
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else if (hasZoneDisplayName && d[0] < 0) {
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maxSmatch = 2;
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}
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else if (timeOnly && !isGregorian && hasZoneDisplayName && maxSmatch == 1) {
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int32_t startRaw, startDst;
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fmt->getTimeZone().getOffset(d[1], FALSE, startRaw, startDst, status);
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failure(status, "TimeZone::getOffset");
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// If the calendar type is not Gregorian and the pattern is time only,
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// the calendar implementation may use a date before 1970 as day 0.
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// In this case, time zone offset of the default year might be
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// different from the one at 1970-01-01 in PST and string match requires
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// one more iteration.
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if (startRaw + startDst != -28800000) {
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maxSmatch = 2;
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}
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}
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}
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/*
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* Special case for Japanese and Buddhist (could have large negative years)
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* Also, Hebrew calendar need help handling leap month.
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*/
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if(dmatch > maxDmatch || smatch > maxSmatch) {
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const char *type = fmt->getCalendar()->getType();
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if(!strcmp(type,"japanese") || (!strcmp(type,"buddhist"))) {
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maxSmatch = 4;
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maxDmatch = 4;
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} else if(!strcmp(type,"hebrew")) {
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maxSmatch = 3;
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maxDmatch = 3;
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}
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}
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// Use @v to see verbose results on successful cases
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UBool fail = (dmatch > maxDmatch || smatch > maxSmatch);
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|
if (optionv || fail) {
|
|
if (fail) {
|
|
errln(UnicodeString("\nFAIL: Pattern: ") + pat +
|
|
" in Locale: " + origLocale.getName());
|
|
} else {
|
|
errln(UnicodeString("\nOk: Pattern: ") + pat +
|
|
" in Locale: " + origLocale.getName());
|
|
}
|
|
|
|
logln("Date iters until match=%d (max allowed=%d), string iters until match=%d (max allowed=%d)",
|
|
dmatch,maxDmatch, smatch, maxSmatch);
|
|
|
|
for(int j = 0; j <= loop && j < DEPTH; ++j) {
|
|
UnicodeString temp;
|
|
FieldPosition pos(FieldPosition::DONT_CARE);
|
|
errln((j>0?" P> ":" ") + fullFormat(d[j]) + " F> " +
|
|
escape(s[j], temp) + UnicodeString(" d=") + d[j] +
|
|
(j > 0 && d[j]/*.getTime()*/==d[j-1]/*.getTime()*/?" d==":"") +
|
|
(j > 0 && s[j] == s[j-1]?" s==":""));
|
|
}
|
|
}
|
|
delete[] d;
|
|
delete[] s;
|
|
}
|
|
/*}
|
|
catch (ParseException e) {
|
|
errln("Exception: " + e.getMessage());
|
|
logln(e.toString());
|
|
}*/
|
|
}
|
|
|
|
const UnicodeString& DateFormatRoundTripTest::fullFormat(UDate d) {
|
|
UErrorCode ec = U_ZERO_ERROR;
|
|
if (dateFormat == 0) {
|
|
dateFormat = new SimpleDateFormat((UnicodeString)"EEE MMM dd HH:mm:ss.SSS zzz yyyy G", ec);
|
|
if (U_FAILURE(ec) || dateFormat == 0) {
|
|
fgStr = "[FAIL: SimpleDateFormat constructor]";
|
|
delete dateFormat;
|
|
dateFormat = 0;
|
|
return fgStr;
|
|
}
|
|
}
|
|
fgStr.truncate(0);
|
|
dateFormat->format(d, fgStr);
|
|
return fgStr;
|
|
}
|
|
|
|
/**
|
|
* Return a field of the given date
|
|
*/
|
|
int32_t DateFormatRoundTripTest::getField(UDate d, int32_t f) {
|
|
// Should be synchronized, but we're single threaded so it's ok
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
getFieldCal->setTime(d, status);
|
|
failure(status, "getfieldCal->setTime");
|
|
int32_t ret = getFieldCal->get((UCalendarDateFields)f, status);
|
|
failure(status, "getfieldCal->get");
|
|
return ret;
|
|
}
|
|
|
|
UnicodeString& DateFormatRoundTripTest::escape(const UnicodeString& src, UnicodeString& dst )
|
|
{
|
|
dst.remove();
|
|
for (int32_t i = 0; i < src.length(); ++i) {
|
|
UChar32 c = src.char32At(i);
|
|
if (c >= 0x10000) {
|
|
++i;
|
|
}
|
|
if (c < 0x0080) {
|
|
dst += c;
|
|
} else {
|
|
dst += UnicodeString("[");
|
|
char buf [12];
|
|
sprintf(buf, "%#04x", c);
|
|
dst += UnicodeString(buf);
|
|
dst += UnicodeString("]");
|
|
}
|
|
}
|
|
|
|
return dst;
|
|
}
|
|
|
|
#define U_MILLIS_PER_YEAR (365.25 * 24 * 60 * 60 * 1000)
|
|
|
|
UDate DateFormatRoundTripTest::generateDate(UDate minDate)
|
|
{
|
|
// Bring range in conformance to generateDate() below.
|
|
if(minDate < (U_MILLIS_PER_YEAR * -(4000-1970))) {
|
|
minDate = (U_MILLIS_PER_YEAR * -(4000-1970));
|
|
}
|
|
for(int i=0;i<8;i++) {
|
|
double a = randFraction();
|
|
|
|
// Range from (min) to (8000-1970) AD
|
|
double dateRange = (0.0 - minDate) + (U_MILLIS_PER_YEAR + (8000-1970));
|
|
|
|
a *= dateRange;
|
|
|
|
// Now offset from minDate
|
|
a += minDate;
|
|
|
|
// Last sanity check
|
|
if(a>=minDate) {
|
|
return a;
|
|
}
|
|
}
|
|
return minDate;
|
|
}
|
|
|
|
UDate DateFormatRoundTripTest::generateDate()
|
|
{
|
|
double a = randFraction();
|
|
|
|
// Now 'a' ranges from 0..1; scale it to range from 0 to 8000 years
|
|
a *= 8000;
|
|
|
|
// Range from (4000-1970) BC to (8000-1970) AD
|
|
a -= 4000;
|
|
|
|
// Now scale up to ms
|
|
a *= 365.25 * 24 * 60 * 60 * 1000;
|
|
|
|
//return new Date((long)a);
|
|
return a;
|
|
}
|
|
|
|
#endif /* #if !UCONFIG_NO_FORMATTING */
|
|
|
|
//eof
|