437 lines
14 KiB
C++
437 lines
14 KiB
C++
/********************************************************************
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* COPYRIGHT:
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* Copyright (c) 1996-2006, International Business Machines Corporation and
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* others. All Rights Reserved.
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********************************************************************/
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/* Test CalendarAstronomer for C++ */
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#include "unicode/utypes.h"
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#include "string.h"
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#include "unicode/locid.h"
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#if !UCONFIG_NO_FORMATTING
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#include "astro.h"
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#include "astrotst.h"
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#include "gregoimp.h" // for Math
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#include "unicode/simpletz.h"
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static const double DAY_MS = 24.*60.*60.*1000.;
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#define CASE(id,test) case id: name = #test; if (exec) { logln(#test "---"); logln((UnicodeString)""); test(); } break
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AstroTest::AstroTest(): astro(NULL), gc(NULL) {
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}
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void AstroTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
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{
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if (exec) logln("TestSuite AstroTest");
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switch (index) {
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// CASE(0,FooTest);
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CASE(0,TestSolarLongitude);
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CASE(1,TestLunarPosition);
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CASE(2,TestCoordinates);
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CASE(3,TestCoverage);
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CASE(4,TestSunriseTimes);
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CASE(5,TestBasics);
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default: name = ""; break;
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}
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}
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#undef CASE
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#define ASSERT_OK(x) if(U_FAILURE(x)) { errln("%s:%d: %s\n", __FILE__, __LINE__, u_errorName(x)); return; }
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void AstroTest::initAstro(UErrorCode &status) {
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if(U_FAILURE(status)) return;
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if((astro != NULL) || (gc != NULL)) {
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errln("Err: initAstro() called twice!");
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closeAstro(status);
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if(U_SUCCESS(status)) {
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status = U_INTERNAL_PROGRAM_ERROR;
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}
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}
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if(U_FAILURE(status)) return;
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astro = new CalendarAstronomer();
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gc = Calendar::createInstance(TimeZone::getGMT()->clone(), status);
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}
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void AstroTest::closeAstro(UErrorCode &/*status*/) {
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if(astro != NULL) {
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delete astro;
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astro = NULL;
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}
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if(gc != NULL) {
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delete gc;
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gc = NULL;
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}
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}
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void AstroTest::TestSolarLongitude(void) {
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UErrorCode status = U_ZERO_ERROR;
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initAstro(status);
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ASSERT_OK(status);
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struct {
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int32_t d[5]; double f ;
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} tests[] = {
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{ { 1980, 7, 27, 0, 00 }, 124.114347 },
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{ { 1988, 7, 27, 00, 00 }, 124.187732 }
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};
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logln("");
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for (uint32_t i = 0; i < sizeof(tests)/sizeof(tests[0]); i++) {
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gc->clear();
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gc->set(tests[i].d[0], tests[i].d[1]-1, tests[i].d[2], tests[i].d[3], tests[i].d[4]);
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astro->setDate(gc->getTime(status));
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double longitude = astro->getSunLongitude();
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//longitude = 0;
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CalendarAstronomer::Equatorial result;
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astro->getSunPosition(result);
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logln((UnicodeString)"Sun position is " + result.toString() + (UnicodeString)"; " /* + result.toHmsString()*/ + " Sun longitude is " + longitude );
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}
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closeAstro(status);
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ASSERT_OK(status);
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}
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void AstroTest::TestLunarPosition(void) {
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UErrorCode status = U_ZERO_ERROR;
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initAstro(status);
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ASSERT_OK(status);
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static const double tests[][7] = {
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{ 1979, 2, 26, 16, 00, 0, 0 }
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};
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logln("");
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for (int32_t i = 0; i < (int32_t)(sizeof(tests)/sizeof(tests[0])); i++) {
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gc->clear();
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gc->set((int32_t)tests[i][0], (int32_t)tests[i][1]-1, (int32_t)tests[i][2], (int32_t)tests[i][3], (int32_t)tests[i][4]);
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astro->setDate(gc->getTime(status));
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const CalendarAstronomer::Equatorial& result = astro->getMoonPosition();
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logln((UnicodeString)"Moon position is " + result.toString() + (UnicodeString)"; " /* + result->toHmsString()*/);
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}
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closeAstro(status);
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ASSERT_OK(status);
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}
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void AstroTest::TestCoordinates(void) {
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UErrorCode status = U_ZERO_ERROR;
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initAstro(status);
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ASSERT_OK(status);
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CalendarAstronomer::Equatorial result;
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astro->eclipticToEquatorial(result, 139.686111 * CalendarAstronomer::PI / 180.0, 4.875278* CalendarAstronomer::PI / 180.0);
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logln((UnicodeString)"result is " + result.toString() + (UnicodeString)"; " /* + result.toHmsString()*/ );
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closeAstro(status);
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ASSERT_OK(status);
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}
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void AstroTest::TestCoverage(void) {
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UErrorCode status = U_ZERO_ERROR;
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initAstro(status);
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ASSERT_OK(status);
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GregorianCalendar *cal = new GregorianCalendar(1958, UCAL_AUGUST, 15,status);
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UDate then = cal->getTime(status);
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CalendarAstronomer *myastro = new CalendarAstronomer(then);
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ASSERT_OK(status);
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//Latitude: 34 degrees 05' North
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//Longitude: 118 degrees 22' West
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double laLat = 34 + 5./60, laLong = 360 - (118 + 22./60);
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CalendarAstronomer *myastro2 = new CalendarAstronomer(laLong, laLat);
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double eclLat = laLat * CalendarAstronomer::PI / 360;
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double eclLong = laLong * CalendarAstronomer::PI / 360;
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CalendarAstronomer::Ecliptic ecl(eclLat, eclLong);
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CalendarAstronomer::Equatorial eq;
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CalendarAstronomer::Horizon hor;
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logln("ecliptic: " + ecl.toString());
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CalendarAstronomer *myastro3 = new CalendarAstronomer();
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myastro3->setJulianDay((4713 + 2000) * 365.25);
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CalendarAstronomer *astronomers[] = {
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myastro, myastro2, myastro3, myastro2 // check cache
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};
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for (uint32_t i = 0; i < sizeof(astronomers)/sizeof(astronomers[0]); ++i) {
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CalendarAstronomer *anAstro = astronomers[i];
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//logln("astro: " + astro);
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logln((UnicodeString)" date: " + anAstro->getTime());
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logln((UnicodeString)" cent: " + anAstro->getJulianCentury());
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logln((UnicodeString)" gw sidereal: " + anAstro->getGreenwichSidereal());
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logln((UnicodeString)" loc sidereal: " + anAstro->getLocalSidereal());
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logln((UnicodeString)" equ ecl: " + (anAstro->eclipticToEquatorial(eq,ecl)).toString());
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logln((UnicodeString)" equ long: " + (anAstro->eclipticToEquatorial(eq, eclLong)).toString());
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logln((UnicodeString)" horiz: " + (anAstro->eclipticToHorizon(hor, eclLong)).toString());
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logln((UnicodeString)" sunrise: " + (anAstro->getSunRiseSet(TRUE)));
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logln((UnicodeString)" sunset: " + (anAstro->getSunRiseSet(FALSE)));
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logln((UnicodeString)" moon phase: " + anAstro->getMoonPhase());
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logln((UnicodeString)" moonrise: " + (anAstro->getMoonRiseSet(TRUE)));
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logln((UnicodeString)" moonset: " + (anAstro->getMoonRiseSet(FALSE)));
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logln((UnicodeString)" prev summer solstice: " + (anAstro->getSunTime(CalendarAstronomer::SUMMER_SOLSTICE(), FALSE)));
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logln((UnicodeString)" next summer solstice: " + (anAstro->getSunTime(CalendarAstronomer::SUMMER_SOLSTICE(), TRUE)));
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logln((UnicodeString)" prev full moon: " + (anAstro->getMoonTime(CalendarAstronomer::FULL_MOON(), FALSE)));
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logln((UnicodeString)" next full moon: " + (anAstro->getMoonTime(CalendarAstronomer::FULL_MOON(), TRUE)));
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}
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delete myastro2;
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delete myastro3;
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delete myastro;
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delete cal;
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closeAstro(status);
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ASSERT_OK(status);
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}
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void AstroTest::TestSunriseTimes(void) {
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UErrorCode status = U_ZERO_ERROR;
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initAstro(status);
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ASSERT_OK(status);
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// logln("Sunrise/Sunset times for San Jose, California, USA");
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// CalendarAstronomer *astro2 = new CalendarAstronomer(-121.55, 37.20);
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// TimeZone *tz = TimeZone::createTimeZone("America/Los_Angeles");
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// We'll use a table generated by the UNSO website as our reference
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// From: http://aa.usno.navy.mil/
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//-Location: W079 25, N43 40
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//-Rise and Set for the Sun for 2001
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//-Zone: 4h West of Greenwich
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int32_t USNO[] = {
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6,59, 19,45,
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6,57, 19,46,
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6,56, 19,47,
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6,54, 19,48,
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6,52, 19,49,
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6,50, 19,51,
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6,48, 19,52,
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6,47, 19,53,
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6,45, 19,54,
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6,43, 19,55,
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6,42, 19,57,
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6,40, 19,58,
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6,38, 19,59,
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6,36, 20, 0,
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6,35, 20, 1,
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6,33, 20, 3,
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6,31, 20, 4,
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6,30, 20, 5,
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6,28, 20, 6,
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6,27, 20, 7,
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6,25, 20, 8,
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6,23, 20,10,
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6,22, 20,11,
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6,20, 20,12,
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6,19, 20,13,
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6,17, 20,14,
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6,16, 20,16,
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6,14, 20,17,
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6,13, 20,18,
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6,11, 20,19,
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};
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logln("Sunrise/Sunset times for Toronto, Canada");
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// long = 79 25", lat = 43 40"
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CalendarAstronomer *astro3 = new CalendarAstronomer(-(79+25/60), 43+40/60);
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// As of ICU4J 2.8 the ICU4J time zones implement pass-through
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// to the underlying JDK. Because of variation in the
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// underlying JDKs, we have to use a fixed-offset
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// SimpleTimeZone to get consistent behavior between JDKs.
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// The offset we want is [-18000000, 3600000] (raw, dst).
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// [aliu 10/15/03]
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// TimeZone tz = TimeZone.getTimeZone("America/Montreal");
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TimeZone *tz = new SimpleTimeZone(-18000000 + 3600000, "Montreal(FIXED)");
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GregorianCalendar *cal = new GregorianCalendar(tz->clone(), Locale::getUS(), status);
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GregorianCalendar *cal2 = new GregorianCalendar(tz->clone(), Locale::getUS(), status);
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cal->clear();
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cal->set(UCAL_YEAR, 2001);
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cal->set(UCAL_MONTH, UCAL_APRIL);
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cal->set(UCAL_DAY_OF_MONTH, 1);
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cal->set(UCAL_HOUR_OF_DAY, 12); // must be near local noon for getSunRiseSet to work
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DateFormat *df_t = DateFormat::createTimeInstance(DateFormat::MEDIUM,Locale::getUS());
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DateFormat *df_d = DateFormat::createDateInstance(DateFormat::MEDIUM,Locale::getUS());
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DateFormat *df_dt = DateFormat::createDateTimeInstance(DateFormat::MEDIUM, DateFormat::MEDIUM, Locale::getUS());
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if(!df_t || !df_d || !df_dt) {
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errln("couldn't create dateformats.");
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return;
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}
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df_t->adoptTimeZone(tz->clone());
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df_d->adoptTimeZone(tz->clone());
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df_dt->adoptTimeZone(tz->clone());
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for (int32_t i=0; i < 30; i++) {
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logln("setDate\n");
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astro3->setDate(cal->getTime(status));
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logln("getRiseSet(TRUE)\n");
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UDate sunrise = astro3->getSunRiseSet(TRUE);
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logln("getRiseSet(FALSE)\n");
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UDate sunset = astro3->getSunRiseSet(FALSE);
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logln("end of getRiseSet\n");
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cal2->setTime(cal->getTime(status), status);
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cal2->set(UCAL_SECOND, 0);
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cal2->set(UCAL_MILLISECOND, 0);
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cal2->set(UCAL_HOUR_OF_DAY, USNO[4*i+0]);
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cal2->set(UCAL_MINUTE, USNO[4*i+1]);
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UDate exprise = cal2->getTime(status);
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cal2->set(UCAL_HOUR_OF_DAY, USNO[4*i+2]);
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cal2->set(UCAL_MINUTE, USNO[4*i+3]);
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UDate expset = cal2->getTime(status);
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// Compute delta of what we got to the USNO data, in seconds
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int32_t deltarise = (int32_t)uprv_fabs((sunrise - exprise) / 1000);
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int32_t deltaset = (int32_t)uprv_fabs((sunset - expset) / 1000);
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// Allow a deviation of 0..MAX_DEV seconds
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// It would be nice to get down to 60 seconds, but at this
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// point that appears to be impossible without a redo of the
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// algorithm using something more advanced than Duffett-Smith.
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int32_t MAX_DEV = 180;
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UnicodeString s1, s2, s3, s4, s5;
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if (deltarise > MAX_DEV || deltaset > MAX_DEV) {
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if (deltarise > MAX_DEV) {
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errln("FAIL: (rise) " + df_d->format(cal->getTime(status),s1) +
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", Sunrise: " + df_dt->format(sunrise, s2) +
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" (USNO " + df_t->format(exprise,s3) +
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" d=" + deltarise + "s)");
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} else {
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logln(df_d->format(cal->getTime(status),s1) +
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", Sunrise: " + df_dt->format(sunrise,s2) +
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" (USNO " + df_t->format(exprise,s3) + ")");
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}
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s1.remove(); s2.remove(); s3.remove(); s4.remove(); s5.remove();
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if (deltaset > MAX_DEV) {
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errln("FAIL: (set) " + df_d->format(cal->getTime(status),s1) +
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", Sunset: " + df_dt->format(sunset,s2) +
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" (USNO " + df_t->format(expset,s3) +
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" d=" + deltaset + "s)");
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} else {
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logln(df_d->format(cal->getTime(status),s1) +
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", Sunset: " + df_dt->format(sunset,s2) +
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" (USNO " + df_t->format(expset,s3) + ")");
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}
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} else {
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logln(df_d->format(cal->getTime(status),s1) +
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", Sunrise: " + df_dt->format(sunrise,s2) +
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" (USNO " + df_t->format(exprise,s3) + ")" +
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", Sunset: " + df_dt->format(sunset,s4) +
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" (USNO " + df_t->format(expset,s5) + ")");
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}
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cal->add(UCAL_DATE, 1, status);
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}
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// CalendarAstronomer a = new CalendarAstronomer(-(71+5/60), 42+37/60);
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// cal.clear();
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// cal.set(cal.YEAR, 1986);
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// cal.set(cal.MONTH, cal.MARCH);
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// cal.set(cal.DATE, 10);
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// cal.set(cal.YEAR, 1988);
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// cal.set(cal.MONTH, cal.JULY);
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// cal.set(cal.DATE, 27);
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// a.setDate(cal.getTime());
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// long r = a.getSunRiseSet2(true);
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delete astro3;
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delete tz;
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delete cal;
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delete cal2;
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delete df_t;
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delete df_d;
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delete df_dt;
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closeAstro(status);
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ASSERT_OK(status);
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}
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void AstroTest::TestBasics(void) {
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UErrorCode status = U_ZERO_ERROR;
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initAstro(status);
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ASSERT_OK(status);
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// Check that our JD computation is the same as the book's (p. 88)
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GregorianCalendar *cal3 = new GregorianCalendar(TimeZone::getGMT()->clone(), Locale::getUS(), status);
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DateFormat *d3 = DateFormat::createDateTimeInstance(DateFormat::MEDIUM,DateFormat::MEDIUM,Locale::getUS());
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d3->setTimeZone(*TimeZone::getGMT());
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cal3->clear();
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cal3->set(UCAL_YEAR, 1980);
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cal3->set(UCAL_MONTH, UCAL_JULY);
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cal3->set(UCAL_DATE, 2);
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logln("cal3[a]=%.1lf, d=%d\n", cal3->getTime(status), cal3->get(UCAL_JULIAN_DAY,status));
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{
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UnicodeString s;
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logln(UnicodeString("cal3[a] = ") + d3->format(cal3->getTime(status),s));
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}
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cal3->clear();
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cal3->set(UCAL_YEAR, 1980);
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cal3->set(UCAL_MONTH, UCAL_JULY);
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cal3->set(UCAL_DATE, 27);
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logln("cal3=%.1lf, d=%d\n", cal3->getTime(status), cal3->get(UCAL_JULIAN_DAY,status));
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ASSERT_OK(status);
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{
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UnicodeString s;
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logln(UnicodeString("cal3 = ") + d3->format(cal3->getTime(status),s));
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}
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astro->setTime(cal3->getTime(status));
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double jd = astro->getJulianDay() - 2447891.5;
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double exp = -3444.;
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if (jd == exp) {
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UnicodeString s;
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logln(d3->format(cal3->getTime(status),s) + " => " + jd);
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} else {
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UnicodeString s;
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errln("FAIL: " + d3->format(cal3->getTime(status), s) + " => " + jd +
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", expected " + exp);
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}
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// cal3.clear();
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// cal3.set(cal3.YEAR, 1990);
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// cal3.set(cal3.MONTH, Calendar.JANUARY);
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// cal3.set(cal3.DATE, 1);
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// cal3.add(cal3.DATE, -1);
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// astro.setDate(cal3.getTime());
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// astro.foo();
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delete cal3;
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delete d3;
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ASSERT_OK(status);
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closeAstro(status);
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ASSERT_OK(status);
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}
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// TODO: try finding next new moon after 07/28/1984 16:00 GMT
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#endif
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