| /******************************************************************** |
| * COPYRIGHT: |
| * Copyright (c) 1997-2011, International Business Machines Corporation and |
| * others. All Rights Reserved. |
| ********************************************************************/ |
| |
| #include "tsputil.h" |
| |
| #include <float.h> // DBL_MAX, DBL_MIN |
| #include "putilimp.h" |
| |
| #define CASE(id,test) case id: name = #test; if (exec) { logln(#test "---"); logln((UnicodeString)""); test(); } break; |
| |
| void |
| PUtilTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ ) |
| { |
| //if (exec) logln("TestSuite PUtilTest: "); |
| switch (index) { |
| CASE(0, testMaxMin) |
| CASE(1, testNaN) |
| CASE(2, testPositiveInfinity) |
| CASE(3, testNegativeInfinity) |
| CASE(4, testZero) |
| // CASE(, testIEEEremainder) |
| |
| default: name = ""; break; //needed to end loop |
| } |
| } |
| |
| #if 0 |
| void |
| PUtilTest::testIEEEremainder() |
| { |
| double pinf = uprv_getInfinity(); |
| double ninf = -uprv_getInfinity(); |
| double nan = uprv_getNaN(); |
| double pzero = 0.0; |
| double nzero = 0.0; |
| |
| nzero *= -1; |
| |
| // simple remainder checks |
| remainderTest(7.0, 2.5, -0.5); |
| remainderTest(7.0, -2.5, -0.5); |
| #if U_PLATFORM != U_PF_OS390 |
| // ### TODO: |
| // The following tests fails on S/390 with IEEE support in release builds; |
| // debug builds work. |
| // The functioning of ChoiceFormat is not affected by this bug. |
| remainderTest(-7.0, 2.5, 0.5); |
| remainderTest(-7.0, -2.5, 0.5); |
| #endif |
| remainderTest(5.0, 3.0, -1.0); |
| |
| // this should work |
| //remainderTest(43.7, 2.5, 1.25); |
| |
| /* |
| |
| // infinity and real |
| remainderTest(pinf, 1.0, 1.25); |
| remainderTest(1.0, pinf, 1.0); |
| remainderTest(ninf, 1.0, 1.25); |
| remainderTest(1.0, ninf, 1.0); |
| |
| // test infinity and nan |
| remainderTest(ninf, pinf, 1.25); |
| remainderTest(ninf, nan, 1.25); |
| remainderTest(pinf, nan, 1.25); |
| |
| // test infinity and zero |
| remainderTest(pinf, pzero, 1.25); |
| remainderTest(pinf, nzero, 1.25); |
| remainderTest(ninf, pzero, 1.25); |
| remainderTest(ninf, nzero, 1.25); |
| */ |
| } |
| |
| void |
| PUtilTest::remainderTest(double x, double y, double exp) |
| { |
| double result = uprv_IEEEremainder(x,y); |
| |
| if( uprv_isNaN(result) && |
| ! ( uprv_isNaN(x) || uprv_isNaN(y))) { |
| errln(UnicodeString("FAIL: got NaN as result without NaN as argument")); |
| errln(UnicodeString(" IEEEremainder(") + x + ", " + y + ") is " + result + ", expected " + exp); |
| } |
| else if(result != exp) |
| errln(UnicodeString("FAIL: IEEEremainder(") + x + ", " + y + ") is " + result + ", expected " + exp); |
| else |
| logln(UnicodeString("OK: IEEEremainder(") + x + ", " + y + ") is " + result); |
| |
| } |
| #endif |
| |
| void |
| PUtilTest::testMaxMin() |
| { |
| double pinf = uprv_getInfinity(); |
| double ninf = -uprv_getInfinity(); |
| double nan = uprv_getNaN(); |
| double pzero = 0.0; |
| double nzero = 0.0; |
| |
| nzero *= -1; |
| |
| // +Inf with -Inf |
| maxMinTest(pinf, ninf, pinf, TRUE); |
| maxMinTest(pinf, ninf, ninf, FALSE); |
| |
| // +Inf with +0 and -0 |
| maxMinTest(pinf, pzero, pinf, TRUE); |
| maxMinTest(pinf, pzero, pzero, FALSE); |
| maxMinTest(pinf, nzero, pinf, TRUE); |
| maxMinTest(pinf, nzero, nzero, FALSE); |
| |
| // -Inf with +0 and -0 |
| maxMinTest(ninf, pzero, pzero, TRUE); |
| maxMinTest(ninf, pzero, ninf, FALSE); |
| maxMinTest(ninf, nzero, nzero, TRUE); |
| maxMinTest(ninf, nzero, ninf, FALSE); |
| |
| // NaN with +Inf and -Inf |
| maxMinTest(pinf, nan, nan, TRUE); |
| maxMinTest(pinf, nan, nan, FALSE); |
| maxMinTest(ninf, nan, nan, TRUE); |
| maxMinTest(ninf, nan, nan, FALSE); |
| |
| // NaN with NaN |
| maxMinTest(nan, nan, nan, TRUE); |
| maxMinTest(nan, nan, nan, FALSE); |
| |
| // NaN with +0 and -0 |
| maxMinTest(nan, pzero, nan, TRUE); |
| maxMinTest(nan, pzero, nan, FALSE); |
| maxMinTest(nan, nzero, nan, TRUE); |
| maxMinTest(nan, nzero, nan, FALSE); |
| |
| // +Inf with DBL_MAX and DBL_MIN |
| maxMinTest(pinf, DBL_MAX, pinf, TRUE); |
| maxMinTest(pinf, -DBL_MAX, pinf, TRUE); |
| maxMinTest(pinf, DBL_MIN, pinf, TRUE); |
| maxMinTest(pinf, -DBL_MIN, pinf, TRUE); |
| maxMinTest(pinf, DBL_MIN, DBL_MIN, FALSE); |
| maxMinTest(pinf, -DBL_MIN, -DBL_MIN, FALSE); |
| maxMinTest(pinf, DBL_MAX, DBL_MAX, FALSE); |
| maxMinTest(pinf, -DBL_MAX, -DBL_MAX, FALSE); |
| |
| // -Inf with DBL_MAX and DBL_MIN |
| maxMinTest(ninf, DBL_MAX, DBL_MAX, TRUE); |
| maxMinTest(ninf, -DBL_MAX, -DBL_MAX, TRUE); |
| maxMinTest(ninf, DBL_MIN, DBL_MIN, TRUE); |
| maxMinTest(ninf, -DBL_MIN, -DBL_MIN, TRUE); |
| maxMinTest(ninf, DBL_MIN, ninf, FALSE); |
| maxMinTest(ninf, -DBL_MIN, ninf, FALSE); |
| maxMinTest(ninf, DBL_MAX, ninf, FALSE); |
| maxMinTest(ninf, -DBL_MAX, ninf, FALSE); |
| |
| // +0 with DBL_MAX and DBL_MIN |
| maxMinTest(pzero, DBL_MAX, DBL_MAX, TRUE); |
| maxMinTest(pzero, -DBL_MAX, pzero, TRUE); |
| maxMinTest(pzero, DBL_MIN, DBL_MIN, TRUE); |
| maxMinTest(pzero, -DBL_MIN, pzero, TRUE); |
| maxMinTest(pzero, DBL_MIN, pzero, FALSE); |
| maxMinTest(pzero, -DBL_MIN, -DBL_MIN, FALSE); |
| maxMinTest(pzero, DBL_MAX, pzero, FALSE); |
| maxMinTest(pzero, -DBL_MAX, -DBL_MAX, FALSE); |
| |
| // -0 with DBL_MAX and DBL_MIN |
| maxMinTest(nzero, DBL_MAX, DBL_MAX, TRUE); |
| maxMinTest(nzero, -DBL_MAX, nzero, TRUE); |
| maxMinTest(nzero, DBL_MIN, DBL_MIN, TRUE); |
| maxMinTest(nzero, -DBL_MIN, nzero, TRUE); |
| maxMinTest(nzero, DBL_MIN, nzero, FALSE); |
| maxMinTest(nzero, -DBL_MIN, -DBL_MIN, FALSE); |
| maxMinTest(nzero, DBL_MAX, nzero, FALSE); |
| maxMinTest(nzero, -DBL_MAX, -DBL_MAX, FALSE); |
| } |
| |
| void |
| PUtilTest::maxMinTest(double a, double b, double exp, UBool max) |
| { |
| double result = 0.0; |
| |
| if(max) |
| result = uprv_fmax(a, b); |
| else |
| result = uprv_fmin(a, b); |
| |
| UBool nanResultOK = (uprv_isNaN(a) || uprv_isNaN(b)); |
| |
| if(uprv_isNaN(result) && ! nanResultOK) { |
| errln(UnicodeString("FAIL: got NaN as result without NaN as argument")); |
| if(max) |
| errln(UnicodeString(" max(") + a + ", " + b + ") is " + result + ", expected " + exp); |
| else |
| errln(UnicodeString(" min(") + a + ", " + b + ") is " + result + ", expected " + exp); |
| } |
| else if(result != exp && ! (uprv_isNaN(result) || uprv_isNaN(exp))) |
| if(max) |
| errln(UnicodeString("FAIL: max(") + a + ", " + b + ") is " + result + ", expected " + exp); |
| else |
| errln(UnicodeString("FAIL: min(") + a + ", " + b + ") is " + result + ", expected " + exp); |
| else { |
| if (verbose) { |
| if(max) |
| logln(UnicodeString("OK: max(") + a + ", " + b + ") is " + result); |
| else |
| logln(UnicodeString("OK: min(") + a + ", " + b + ") is " + result); |
| } |
| } |
| } |
| //============================== |
| |
| // NaN is weird- comparisons with NaN _always_ return false, with the |
| // exception of !=, which _always_ returns true |
| void |
| PUtilTest::testNaN(void) |
| { |
| logln("NaN tests may show that the expected NaN!=NaN etc. is not true on some"); |
| logln("platforms; however, ICU does not rely on them because it defines"); |
| logln("and uses uprv_isNaN(). Therefore, most failing NaN tests only report warnings."); |
| |
| PUtilTest::testIsNaN(); |
| PUtilTest::NaNGT(); |
| PUtilTest::NaNLT(); |
| PUtilTest::NaNGTE(); |
| PUtilTest::NaNLTE(); |
| PUtilTest::NaNE(); |
| PUtilTest::NaNNE(); |
| |
| logln("End of NaN tests."); |
| } |
| |
| //============================== |
| |
| void |
| PUtilTest::testPositiveInfinity(void) |
| { |
| double pinf = uprv_getInfinity(); |
| double ninf = -uprv_getInfinity(); |
| double ten = 10.0; |
| |
| if(uprv_isInfinite(pinf) != TRUE) { |
| errln("FAIL: isInfinite(+Infinity) returned FALSE, should be TRUE."); |
| } |
| |
| if(uprv_isPositiveInfinity(pinf) != TRUE) { |
| errln("FAIL: isPositiveInfinity(+Infinity) returned FALSE, should be TRUE."); |
| } |
| |
| if(uprv_isNegativeInfinity(pinf) != FALSE) { |
| errln("FAIL: isNegativeInfinity(+Infinity) returned TRUE, should be FALSE."); |
| } |
| |
| if((pinf > DBL_MAX) != TRUE) { |
| errln("FAIL: +Infinity > DBL_MAX returned FALSE, should be TRUE."); |
| } |
| |
| if((pinf > DBL_MIN) != TRUE) { |
| errln("FAIL: +Infinity > DBL_MIN returned FALSE, should be TRUE."); |
| } |
| |
| if((pinf > ninf) != TRUE) { |
| errln("FAIL: +Infinity > -Infinity returned FALSE, should be TRUE."); |
| } |
| |
| if((pinf > ten) != TRUE) { |
| errln("FAIL: +Infinity > 10.0 returned FALSE, should be TRUE."); |
| } |
| } |
| |
| //============================== |
| |
| void |
| PUtilTest::testNegativeInfinity(void) |
| { |
| double pinf = uprv_getInfinity(); |
| double ninf = -uprv_getInfinity(); |
| double ten = 10.0; |
| |
| if(uprv_isInfinite(ninf) != TRUE) { |
| errln("FAIL: isInfinite(-Infinity) returned FALSE, should be TRUE."); |
| } |
| |
| if(uprv_isNegativeInfinity(ninf) != TRUE) { |
| errln("FAIL: isNegativeInfinity(-Infinity) returned FALSE, should be TRUE."); |
| } |
| |
| if(uprv_isPositiveInfinity(ninf) != FALSE) { |
| errln("FAIL: isPositiveInfinity(-Infinity) returned TRUE, should be FALSE."); |
| } |
| |
| if((ninf < DBL_MAX) != TRUE) { |
| errln("FAIL: -Infinity < DBL_MAX returned FALSE, should be TRUE."); |
| } |
| |
| if((ninf < DBL_MIN) != TRUE) { |
| errln("FAIL: -Infinity < DBL_MIN returned FALSE, should be TRUE."); |
| } |
| |
| if((ninf < pinf) != TRUE) { |
| errln("FAIL: -Infinity < +Infinity returned FALSE, should be TRUE."); |
| } |
| |
| if((ninf < ten) != TRUE) { |
| errln("FAIL: -Infinity < 10.0 returned FALSE, should be TRUE."); |
| } |
| } |
| |
| //============================== |
| |
| // notes about zero: |
| // -0.0 == 0.0 == TRUE |
| // -0.0 < 0.0 == FALSE |
| // generating -0.0 must be done at runtime. compiler apparently ignores sign? |
| void |
| PUtilTest::testZero(void) |
| { |
| // volatile is used to fake out the compiler optimizer. We really want to divide by 0. |
| volatile double pzero = 0.0; |
| volatile double nzero = 0.0; |
| |
| nzero *= -1; |
| |
| if((pzero == nzero) != TRUE) { |
| errln("FAIL: 0.0 == -0.0 returned FALSE, should be TRUE."); |
| } |
| |
| if((pzero > nzero) != FALSE) { |
| errln("FAIL: 0.0 > -0.0 returned TRUE, should be FALSE."); |
| } |
| |
| if((pzero >= nzero) != TRUE) { |
| errln("FAIL: 0.0 >= -0.0 returned FALSE, should be TRUE."); |
| } |
| |
| if((pzero < nzero) != FALSE) { |
| errln("FAIL: 0.0 < -0.0 returned TRUE, should be FALSE."); |
| } |
| |
| if((pzero <= nzero) != TRUE) { |
| errln("FAIL: 0.0 <= -0.0 returned FALSE, should be TRUE."); |
| } |
| #if U_PLATFORM != U_PF_OS400 /* OS/400 will generate divide by zero exception MCH1214 */ |
| if(uprv_isInfinite(1/pzero) != TRUE) { |
| errln("FAIL: isInfinite(1/0.0) returned FALSE, should be TRUE."); |
| } |
| |
| if(uprv_isInfinite(1/nzero) != TRUE) { |
| errln("FAIL: isInfinite(1/-0.0) returned FALSE, should be TRUE."); |
| } |
| |
| if(uprv_isPositiveInfinity(1/pzero) != TRUE) { |
| errln("FAIL: isPositiveInfinity(1/0.0) returned FALSE, should be TRUE."); |
| } |
| |
| if(uprv_isNegativeInfinity(1/nzero) != TRUE) { |
| errln("FAIL: isNegativeInfinity(1/-0.0) returned FALSE, should be TRUE."); |
| } |
| #endif |
| } |
| |
| //============================== |
| |
| void |
| PUtilTest::testIsNaN(void) |
| { |
| double pinf = uprv_getInfinity(); |
| double ninf = -uprv_getInfinity(); |
| double nan = uprv_getNaN(); |
| double ten = 10.0; |
| |
| if(uprv_isNaN(nan) == FALSE) { |
| errln("FAIL: isNaN() returned FALSE for NaN."); |
| } |
| |
| if(uprv_isNaN(pinf) == TRUE) { |
| errln("FAIL: isNaN() returned TRUE for +Infinity."); |
| } |
| |
| if(uprv_isNaN(ninf) == TRUE) { |
| errln("FAIL: isNaN() returned TRUE for -Infinity."); |
| } |
| |
| if(uprv_isNaN(ten) == TRUE) { |
| errln("FAIL: isNaN() returned TRUE for 10.0."); |
| } |
| } |
| |
| //============================== |
| |
| void |
| PUtilTest::NaNGT(void) |
| { |
| double pinf = uprv_getInfinity(); |
| double ninf = -uprv_getInfinity(); |
| double nan = uprv_getNaN(); |
| double ten = 10.0; |
| |
| if((nan > nan) != FALSE) { |
| logln("WARNING: NaN > NaN returned TRUE, should be FALSE"); |
| } |
| |
| if((nan > pinf) != FALSE) { |
| logln("WARNING: NaN > +Infinity returned TRUE, should be FALSE"); |
| } |
| |
| if((nan > ninf) != FALSE) { |
| logln("WARNING: NaN > -Infinity returned TRUE, should be FALSE"); |
| } |
| |
| if((nan > ten) != FALSE) { |
| logln("WARNING: NaN > 10.0 returned TRUE, should be FALSE"); |
| } |
| } |
| |
| //============================== |
| |
| void |
| PUtilTest::NaNLT(void) |
| { |
| double pinf = uprv_getInfinity(); |
| double ninf = -uprv_getInfinity(); |
| double nan = uprv_getNaN(); |
| double ten = 10.0; |
| |
| if((nan < nan) != FALSE) { |
| logln("WARNING: NaN < NaN returned TRUE, should be FALSE"); |
| } |
| |
| if((nan < pinf) != FALSE) { |
| logln("WARNING: NaN < +Infinity returned TRUE, should be FALSE"); |
| } |
| |
| if((nan < ninf) != FALSE) { |
| logln("WARNING: NaN < -Infinity returned TRUE, should be FALSE"); |
| } |
| |
| if((nan < ten) != FALSE) { |
| logln("WARNING: NaN < 10.0 returned TRUE, should be FALSE"); |
| } |
| } |
| |
| //============================== |
| |
| void |
| PUtilTest::NaNGTE(void) |
| { |
| double pinf = uprv_getInfinity(); |
| double ninf = -uprv_getInfinity(); |
| double nan = uprv_getNaN(); |
| double ten = 10.0; |
| |
| if((nan >= nan) != FALSE) { |
| logln("WARNING: NaN >= NaN returned TRUE, should be FALSE"); |
| } |
| |
| if((nan >= pinf) != FALSE) { |
| logln("WARNING: NaN >= +Infinity returned TRUE, should be FALSE"); |
| } |
| |
| if((nan >= ninf) != FALSE) { |
| logln("WARNING: NaN >= -Infinity returned TRUE, should be FALSE"); |
| } |
| |
| if((nan >= ten) != FALSE) { |
| logln("WARNING: NaN >= 10.0 returned TRUE, should be FALSE"); |
| } |
| } |
| |
| //============================== |
| |
| void |
| PUtilTest::NaNLTE(void) |
| { |
| double pinf = uprv_getInfinity(); |
| double ninf = -uprv_getInfinity(); |
| double nan = uprv_getNaN(); |
| double ten = 10.0; |
| |
| if((nan <= nan) != FALSE) { |
| logln("WARNING: NaN <= NaN returned TRUE, should be FALSE"); |
| } |
| |
| if((nan <= pinf) != FALSE) { |
| logln("WARNING: NaN <= +Infinity returned TRUE, should be FALSE"); |
| } |
| |
| if((nan <= ninf) != FALSE) { |
| logln("WARNING: NaN <= -Infinity returned TRUE, should be FALSE"); |
| } |
| |
| if((nan <= ten) != FALSE) { |
| logln("WARNING: NaN <= 10.0 returned TRUE, should be FALSE"); |
| } |
| } |
| |
| //============================== |
| |
| void |
| PUtilTest::NaNE(void) |
| { |
| double pinf = uprv_getInfinity(); |
| double ninf = -uprv_getInfinity(); |
| double nan = uprv_getNaN(); |
| double ten = 10.0; |
| |
| if((nan == nan) != FALSE) { |
| logln("WARNING: NaN == NaN returned TRUE, should be FALSE"); |
| } |
| |
| if((nan == pinf) != FALSE) { |
| logln("WARNING: NaN == +Infinity returned TRUE, should be FALSE"); |
| } |
| |
| if((nan == ninf) != FALSE) { |
| logln("WARNING: NaN == -Infinity returned TRUE, should be FALSE"); |
| } |
| |
| if((nan == ten) != FALSE) { |
| logln("WARNING: NaN == 10.0 returned TRUE, should be FALSE"); |
| } |
| } |
| |
| //============================== |
| |
| void |
| PUtilTest::NaNNE(void) |
| { |
| double pinf = uprv_getInfinity(); |
| double ninf = -uprv_getInfinity(); |
| double nan = uprv_getNaN(); |
| double ten = 10.0; |
| |
| if((nan != nan) != TRUE) { |
| logln("WARNING: NaN != NaN returned FALSE, should be TRUE"); |
| } |
| |
| if((nan != pinf) != TRUE) { |
| logln("WARNING: NaN != +Infinity returned FALSE, should be TRUE"); |
| } |
| |
| if((nan != ninf) != TRUE) { |
| logln("WARNING: NaN != -Infinity returned FALSE, should be TRUE"); |
| } |
| |
| if((nan != ten) != TRUE) { |
| logln("WARNING: NaN != 10.0 returned FALSE, should be TRUE"); |
| } |
| } |
