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