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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/********************************************************************
* COPYRIGHT:
* Copyright (c) 1996-2016, International Business Machines Corporation and
* others. All Rights Reserved.
********************************************************************/
/* Test CalendarAstronomer for C++ */
#include "unicode/utypes.h"
#include "string.h"
#include "unicode/locid.h"
#if !UCONFIG_NO_FORMATTING
#include "astro.h"
#include "astrotst.h"
#include "cmemory.h"
#include "gregoimp.h" // for Math
#include "unicode/simpletz.h"
#define CASE(id,test) case id: name = #test; if (exec) { logln(#test "---"); logln((UnicodeString)""); test(); } break
AstroTest::AstroTest(): gc(nullptr) {
}
void AstroTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
{
if (exec) logln("TestSuite AstroTest");
switch (index) {
// CASE(0,FooTest);
CASE(0,TestSolarLongitude);
CASE(1,TestLunarPosition);
CASE(2,TestCoordinates);
CASE(3,TestCoverage);
CASE(4,TestBasics);
CASE(5,TestMoonAge);
default: name = ""; break;
}
}
#undef CASE
#define ASSERT_OK(x) UPRV_BLOCK_MACRO_BEGIN { \
if(U_FAILURE(x)) { \
dataerrln("%s:%d: %s\n", __FILE__, __LINE__, u_errorName(x)); \
return; \
} \
} UPRV_BLOCK_MACRO_END
void AstroTest::init(UErrorCode &status) {
if(U_FAILURE(status)) return;
if(gc != nullptr) {
dataerrln("Err: init() called twice!");
close(status);
if(U_SUCCESS(status)) {
status = U_INTERNAL_PROGRAM_ERROR;
}
}
if(U_FAILURE(status)) return;
gc = Calendar::createInstance(TimeZone::getGMT()->clone(), status);
}
void AstroTest::close(UErrorCode &/*status*/) {
if(gc != nullptr) {
delete gc;
gc = nullptr;
}
}
void AstroTest::TestSolarLongitude() {
UErrorCode status = U_ZERO_ERROR;
init(status);
ASSERT_OK(status);
struct {
int32_t d[5]; double f ;
} tests[] = {
{ { 1980, 7, 27, 0, 00 }, 124.114347 },
{ { 1988, 7, 27, 00, 00 }, 124.187732 }
};
logln("");
for (uint32_t i = 0; i < UPRV_LENGTHOF(tests); i++) {
gc->clear();
gc->set(tests[i].d[0], tests[i].d[1]-1, tests[i].d[2], tests[i].d[3], tests[i].d[4]);
CalendarAstronomer astro(gc->getTime(status));
astro.getSunLongitude();
}
close(status);
ASSERT_OK(status);
}
void AstroTest::TestLunarPosition() {
UErrorCode status = U_ZERO_ERROR;
init(status);
ASSERT_OK(status);
static const double tests[][7] = {
{ 1979, 2, 26, 16, 00, 0, 0 }
};
logln("");
for (int32_t i = 0; i < UPRV_LENGTHOF(tests); i++) {
gc->clear();
gc->set(static_cast<int32_t>(tests[i][0]),
static_cast<int32_t>(tests[i][1]) - 1,
static_cast<int32_t>(tests[i][2]),
static_cast<int32_t>(tests[i][3]),
static_cast<int32_t>(tests[i][4]));
CalendarAstronomer astro(gc->getTime(status));
const CalendarAstronomer::Equatorial& result = astro.getMoonPosition();
logln(UnicodeString("Moon position is ") + result.toString() + UnicodeString("; ") /* + result->toHmsString()*/);
}
close(status);
ASSERT_OK(status);
}
void AstroTest::TestCoordinates() {
UErrorCode status = U_ZERO_ERROR;
init(status);
ASSERT_OK(status);
CalendarAstronomer::Equatorial result;
CalendarAstronomer astro;
astro.eclipticToEquatorial(result, 139.686111 * CalendarAstronomer::PI / 180.0, 4.875278* CalendarAstronomer::PI / 180.0);
logln(UnicodeString("result is ") + result.toString() + UnicodeString("; ") /* + result.toHmsString()*/);
close(status);
ASSERT_OK(status);
}
void AstroTest::TestCoverage() {
UErrorCode status = U_ZERO_ERROR;
init(status);
ASSERT_OK(status);
GregorianCalendar *cal = new GregorianCalendar(1958, UCAL_AUGUST, 15,status);
UDate then = cal->getTime(status);
CalendarAstronomer *myastro = new CalendarAstronomer(then);
ASSERT_OK(status);
//Latitude: 34 degrees 05' North
//Longitude: 118 degrees 22' West
double laLat = 34 + 5./60, laLong = 360 - (118 + 22./60);
double eclLat = laLat * CalendarAstronomer::PI / 360;
double eclLong = laLong * CalendarAstronomer::PI / 360;
CalendarAstronomer::Equatorial eq;
CalendarAstronomer *astronomers[] = {
myastro, myastro, myastro // check cache
};
for (uint32_t i = 0; i < UPRV_LENGTHOF(astronomers); ++i) {
CalendarAstronomer *anAstro = astronomers[i];
//logln("astro: " + astro);
logln(UnicodeString(" date: ") + anAstro->getTime());
logln(UnicodeString(" equ ecl: ") + (anAstro->eclipticToEquatorial(eq, eclLat, eclLong)).toString());
}
delete myastro;
delete cal;
close(status);
ASSERT_OK(status);
}
void AstroTest::TestBasics() {
UErrorCode status = U_ZERO_ERROR;
init(status);
if (U_FAILURE(status)) {
dataerrln("Got error: %s", u_errorName(status));
return;
}
// Check that our JD computation is the same as the book's (p. 88)
GregorianCalendar cal3(TimeZone::getGMT()->clone(), Locale::getUS(), status);
LocalPointer<DateFormat> d3(DateFormat::createDateTimeInstance(DateFormat::MEDIUM,DateFormat::MEDIUM,Locale::getUS()));
if (d3.isNull()) {
dataerrln("Got error: %s", u_errorName(status));
close(status);
return;
}
d3->setTimeZone(*TimeZone::getGMT());
cal3.clear();
cal3.set(UCAL_YEAR, 1980);
cal3.set(UCAL_MONTH, UCAL_JULY);
cal3.set(UCAL_DATE, 2);
logln("cal3[a]=%.1lf, d=%d\n", cal3.getTime(status), cal3.get(UCAL_JULIAN_DAY,status));
{
UnicodeString s;
logln(UnicodeString("cal3[a] = ") + d3->format(cal3.getTime(status),s));
}
cal3.clear();
cal3.set(UCAL_YEAR, 1980);
cal3.set(UCAL_MONTH, UCAL_JULY);
cal3.set(UCAL_DATE, 27);
logln("cal3=%.1lf, d=%d\n", cal3.getTime(status), cal3.get(UCAL_JULIAN_DAY,status));
ASSERT_OK(status);
{
UnicodeString s;
logln(UnicodeString("cal3 = ") + d3->format(cal3.getTime(status),s));
}
CalendarAstronomer astro(cal3.getTime(status));
double jd = astro.getJulianDay() - 2447891.5;
double exp = -3444.;
if (jd == exp) {
UnicodeString s;
logln(d3->format(cal3.getTime(status),s) + " => " + jd);
} else {
UnicodeString s;
errln("FAIL: " + d3->format(cal3.getTime(status), s) + " => " + jd +
", expected " + exp);
}
// cal3.clear();
// cal3.set(cal3.YEAR, 1990);
// cal3.set(cal3.MONTH, Calendar.JANUARY);
// cal3.set(cal3.DATE, 1);
// cal3.add(cal3.DATE, -1);
// astro.setDate(cal3.getTime());
// astro.foo();
ASSERT_OK(status);
close(status);
ASSERT_OK(status);
}
void AstroTest::TestMoonAge(){
UErrorCode status = U_ZERO_ERROR;
init(status);
ASSERT_OK(status);
// more testcases are around the date 05/20/2012
//ticket#3785 UDate ud0 = 1337557623000.0;
static const double testcase[][10] = {{2012, 5, 20 , 16 , 48, 59},
{2012, 5, 20 , 16 , 47, 34},
{2012, 5, 21, 00, 00, 00},
{2012, 5, 20, 14, 55, 59},
{2012, 5, 21, 7, 40, 40},
{2023, 9, 25, 10,00, 00},
{2008, 7, 7, 15, 00, 33},
{1832, 9, 24, 2, 33, 41 },
{2016, 1, 31, 23, 59, 59},
{2099, 5, 20, 14, 55, 59}
};
// Moon phase angle - Got from http://www.moonsystem.to/checkupe.htm
static const double angle[] = {356.8493418421329, 356.8386760059673, 0.09625415252237701, 355.9986960782416, 3.5714026601303317, 124.26906744384183, 59.80247650195558,
357.54163205513123, 268.41779281511094, 4.82340276581624};
static const double precision = CalendarAstronomer::PI/32;
for (int32_t i = 0; i < UPRV_LENGTHOF(testcase); i++) {
gc->clear();
logln(UnicodeString("CASE[") + i +
"]: Year " + static_cast<int32_t>(testcase[i][0]) +
" Month " + static_cast<int32_t>(testcase[i][1]) +
" Day " + static_cast<int32_t>(testcase[i][2]) +
" Hour " + static_cast<int32_t>(testcase[i][3]) +
" Minutes " + static_cast<int32_t>(testcase[i][4]) +
" Seconds " + static_cast<int32_t>(testcase[i][5]));
gc->set(static_cast<int32_t>(testcase[i][0]),
static_cast<int32_t>(testcase[i][1]) - 1,
static_cast<int32_t>(testcase[i][2]),
static_cast<int32_t>(testcase[i][3]),
static_cast<int32_t>(testcase[i][4]),
static_cast<int32_t>(testcase[i][5]));
CalendarAstronomer astro(gc->getTime(status));
double expectedAge = (angle[i]*CalendarAstronomer::PI)/180;
double got = astro.getMoonAge();
//logln(testString);
if(!(got>expectedAge-precision && got<expectedAge+precision)){
errln(UnicodeString("FAIL: expected ") + expectedAge + " got " + got);
} else {
logln(UnicodeString("PASS: expected ") + expectedAge + " got " + got);
}
}
close(status);
ASSERT_OK(status);
}
// TODO: try finding next new moon after 07/28/1984 16:00 GMT
#endif
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