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888 lines
35 KiB
888 lines
35 KiB
// © 2020 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html#License
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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#include <cmath>
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#include <iostream>
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#include "charstr.h"
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#include "cmemory.h"
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#include "filestrm.h"
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#include "intltest.h"
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#include "number_decimalquantity.h"
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#include "putilimp.h"
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#include "unicode/ctest.h"
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#include "unicode/measunit.h"
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#include "unicode/unistr.h"
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#include "unicode/unum.h"
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#include "unicode/ures.h"
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#include "units_complexconverter.h"
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#include "units_converter.h"
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#include "units_data.h"
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#include "units_router.h"
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#include "uparse.h"
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#include "uresimp.h"
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struct UnitConversionTestCase {
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const StringPiece source;
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const StringPiece target;
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const double inputValue;
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const double expectedValue;
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};
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using ::icu::number::impl::DecimalQuantity;
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using namespace ::icu::units;
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class UnitsTest : public IntlTest {
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public:
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UnitsTest() {}
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void runIndexedTest(int32_t index, UBool exec, const char *&name, char *par = NULL);
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void testUnitConstantFreshness();
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void testConversionCapability();
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void testConversions();
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void testComplexUnitsConverter();
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void testComplexUnitConverterSorting();
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void testPreferences();
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void testSiPrefixes();
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void testMass();
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void testTemperature();
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void testArea();
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};
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extern IntlTest *createUnitsTest() { return new UnitsTest(); }
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void UnitsTest::runIndexedTest(int32_t index, UBool exec, const char *&name, char * /*par*/) {
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if (exec) {
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logln("TestSuite UnitsTest: ");
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}
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TESTCASE_AUTO_BEGIN;
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TESTCASE_AUTO(testUnitConstantFreshness);
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TESTCASE_AUTO(testConversionCapability);
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TESTCASE_AUTO(testConversions);
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TESTCASE_AUTO(testComplexUnitsConverter);
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TESTCASE_AUTO(testComplexUnitConverterSorting);
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TESTCASE_AUTO(testPreferences);
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TESTCASE_AUTO(testSiPrefixes);
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TESTCASE_AUTO(testMass);
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TESTCASE_AUTO(testTemperature);
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TESTCASE_AUTO(testArea);
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TESTCASE_AUTO_END;
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}
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// Tests the hard-coded constants in the code against constants that appear in
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// units.txt.
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void UnitsTest::testUnitConstantFreshness() {
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IcuTestErrorCode status(*this, "testUnitConstantFreshness");
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LocalUResourceBundlePointer unitsBundle(ures_openDirect(NULL, "units", status));
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LocalUResourceBundlePointer unitConstants(
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ures_getByKey(unitsBundle.getAlias(), "unitConstants", NULL, status));
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while (ures_hasNext(unitConstants.getAlias())) {
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int32_t len;
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const char *constant = NULL;
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ures_getNextString(unitConstants.getAlias(), &len, &constant, status);
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Factor factor;
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addSingleFactorConstant(constant, 1, POSITIVE, factor, status);
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if (status.errDataIfFailureAndReset(
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"addSingleFactorConstant(<%s>, ...).\n\n"
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"If U_INVALID_FORMAT_ERROR, please check that \"icu4c/source/i18n/units_converter.cpp\" "
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"has all constants? Is \"%s\" a new constant?\n",
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constant, constant)) {
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continue;
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}
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// Check the values of constants that have a simple numeric value
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factor.substituteConstants();
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int32_t uLen;
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UnicodeString uVal = ures_getStringByKey(unitConstants.getAlias(), constant, &uLen, status);
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CharString val;
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val.appendInvariantChars(uVal, status);
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if (status.errDataIfFailureAndReset("Failed to get constant value for %s.", constant)) {
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continue;
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}
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DecimalQuantity dqVal;
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UErrorCode parseStatus = U_ZERO_ERROR;
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// TODO(units): unify with strToDouble() in units_converter.cpp
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dqVal.setToDecNumber(val.toStringPiece(), parseStatus);
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if (!U_SUCCESS(parseStatus)) {
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// Not simple to parse, skip validating this constant's value. (We
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// leave catching mistakes to the data-driven integration tests.)
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continue;
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}
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double expectedNumerator = dqVal.toDouble();
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assertEquals(UnicodeString("Constant ") + constant + u" numerator", expectedNumerator,
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factor.factorNum);
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assertEquals(UnicodeString("Constant ") + constant + u" denominator", 1.0, factor.factorDen);
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}
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}
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void UnitsTest::testConversionCapability() {
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struct TestCase {
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const char *const source;
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const char *const target;
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const Convertibility expectedState;
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} testCases[]{
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{"meter", "foot", CONVERTIBLE}, //
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{"kilometer", "foot", CONVERTIBLE}, //
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{"hectare", "square-foot", CONVERTIBLE}, //
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{"kilometer-per-second", "second-per-meter", RECIPROCAL}, //
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{"square-meter", "square-foot", CONVERTIBLE}, //
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{"kilometer-per-second", "foot-per-second", CONVERTIBLE}, //
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{"square-hectare", "pow4-foot", CONVERTIBLE}, //
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{"square-kilometer-per-second", "second-per-square-meter", RECIPROCAL}, //
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{"cubic-kilometer-per-second-meter", "second-per-square-meter", RECIPROCAL}, //
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};
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for (const auto &testCase : testCases) {
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UErrorCode status = U_ZERO_ERROR;
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MeasureUnitImpl source = MeasureUnitImpl::forIdentifier(testCase.source, status);
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MeasureUnitImpl target = MeasureUnitImpl::forIdentifier(testCase.target, status);
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ConversionRates conversionRates(status);
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auto convertibility = extractConvertibility(source, target, conversionRates, status);
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assertEquals(UnicodeString("Conversion Capability: ") + testCase.source + " to " +
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testCase.target,
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testCase.expectedState, convertibility);
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}
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}
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void UnitsTest::testSiPrefixes() {
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IcuTestErrorCode status(*this, "Units testSiPrefixes");
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// Test Cases
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struct TestCase {
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const char *source;
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const char *target;
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const double inputValue;
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const double expectedValue;
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} testCases[]{
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{"gram", "kilogram", 1.0, 0.001}, //
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{"milligram", "kilogram", 1.0, 0.000001}, //
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{"microgram", "kilogram", 1.0, 0.000000001}, //
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{"megagram", "gram", 1.0, 1000000}, //
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{"megagram", "kilogram", 1.0, 1000}, //
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{"gigabyte", "byte", 1.0, 1000000000}, //
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// TODO: Fix `watt` probelms.
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// {"megawatt", "watt", 1.0, 1000000}, //
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// {"megawatt", "kilowatt", 1.0, 1000}, //
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};
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for (const auto &testCase : testCases) {
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UErrorCode status = U_ZERO_ERROR;
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MeasureUnitImpl source = MeasureUnitImpl::forIdentifier(testCase.source, status);
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MeasureUnitImpl target = MeasureUnitImpl::forIdentifier(testCase.target, status);
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ConversionRates conversionRates(status);
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UnitConverter converter(source, target, conversionRates, status);
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assertEqualsNear(UnicodeString("testSiPrefixes: ") + testCase.source + " to " + testCase.target,
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testCase.expectedValue, converter.convert(testCase.inputValue),
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0.0001 * testCase.expectedValue);
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}
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}
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void UnitsTest::testMass() {
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IcuTestErrorCode status(*this, "Units testMass");
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// Test Cases
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struct TestCase {
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const char *source;
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const char *target;
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const double inputValue;
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const double expectedValue;
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} testCases[]{
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{"gram", "kilogram", 1.0, 0.001}, //
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{"pound", "kilogram", 1.0, 0.453592}, //
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{"pound", "kilogram", 2.0, 0.907185}, //
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{"ounce", "pound", 16.0, 1.0}, //
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{"ounce", "kilogram", 16.0, 0.453592}, //
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{"ton", "pound", 1.0, 2000}, //
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{"stone", "pound", 1.0, 14}, //
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{"stone", "kilogram", 1.0, 6.35029} //
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};
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for (const auto &testCase : testCases) {
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UErrorCode status = U_ZERO_ERROR;
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MeasureUnitImpl source = MeasureUnitImpl::forIdentifier(testCase.source, status);
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MeasureUnitImpl target = MeasureUnitImpl::forIdentifier(testCase.target, status);
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ConversionRates conversionRates(status);
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UnitConverter converter(source, target, conversionRates, status);
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assertEqualsNear(UnicodeString("testMass: ") + testCase.source + " to " + testCase.target,
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testCase.expectedValue, converter.convert(testCase.inputValue),
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0.0001 * testCase.expectedValue);
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}
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}
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void UnitsTest::testTemperature() {
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IcuTestErrorCode status(*this, "Units testTemperature");
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// Test Cases
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struct TestCase {
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const char *source;
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const char *target;
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const double inputValue;
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const double expectedValue;
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} testCases[]{
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{"celsius", "fahrenheit", 0.0, 32.0}, //
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{"celsius", "fahrenheit", 10.0, 50.0}, //
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{"fahrenheit", "celsius", 32.0, 0.0}, //
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{"fahrenheit", "celsius", 89.6, 32}, //
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{"kelvin", "fahrenheit", 0.0, -459.67}, //
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{"kelvin", "fahrenheit", 300, 80.33}, //
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{"kelvin", "celsius", 0.0, -273.15}, //
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{"kelvin", "celsius", 300.0, 26.85} //
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};
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for (const auto &testCase : testCases) {
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UErrorCode status = U_ZERO_ERROR;
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MeasureUnitImpl source = MeasureUnitImpl::forIdentifier(testCase.source, status);
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MeasureUnitImpl target = MeasureUnitImpl::forIdentifier(testCase.target, status);
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ConversionRates conversionRates(status);
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UnitConverter converter(source, target, conversionRates, status);
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assertEqualsNear(UnicodeString("testTemperature: ") + testCase.source + " to " + testCase.target,
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testCase.expectedValue, converter.convert(testCase.inputValue),
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0.0001 * uprv_fabs(testCase.expectedValue));
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}
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}
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void UnitsTest::testArea() {
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IcuTestErrorCode status(*this, "Units Area");
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// Test Cases
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struct TestCase {
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const char *source;
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const char *target;
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const double inputValue;
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const double expectedValue;
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} testCases[]{
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{"square-meter", "square-yard", 10.0, 11.9599}, //
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{"hectare", "square-yard", 1.0, 11959.9}, //
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{"square-mile", "square-foot", 0.0001, 2787.84}, //
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{"hectare", "square-yard", 1.0, 11959.9}, //
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{"hectare", "square-meter", 1.0, 10000}, //
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{"hectare", "square-meter", 0.0, 0.0}, //
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{"square-mile", "square-foot", 0.0001, 2787.84}, //
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{"square-yard", "square-foot", 10, 90}, //
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{"square-yard", "square-foot", 0, 0}, //
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{"square-yard", "square-foot", 0.000001, 0.000009}, //
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{"square-mile", "square-foot", 0.0, 0.0}, //
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};
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for (const auto &testCase : testCases) {
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UErrorCode status = U_ZERO_ERROR;
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MeasureUnitImpl source = MeasureUnitImpl::forIdentifier(testCase.source, status);
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MeasureUnitImpl target = MeasureUnitImpl::forIdentifier(testCase.target, status);
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ConversionRates conversionRates(status);
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UnitConverter converter(source, target, conversionRates, status);
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assertEqualsNear(UnicodeString("testArea: ") + testCase.source + " to " + testCase.target,
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testCase.expectedValue, converter.convert(testCase.inputValue),
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0.0001 * testCase.expectedValue);
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}
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}
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/**
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* Trims whitespace off of the specified string.
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* @param field is two pointers pointing at the start and end of the string.
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* @return A StringPiece with initial and final space characters trimmed off.
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*/
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StringPiece trimField(char *(&field)[2]) {
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const char *start = field[0];
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start = u_skipWhitespace(start);
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if (start >= field[1]) {
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start = field[1];
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}
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const char *end = field[1];
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while ((start < end) && U_IS_INV_WHITESPACE(*(end - 1))) {
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end--;
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}
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int32_t length = (int32_t)(end - start);
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return StringPiece(start, length);
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}
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// Used for passing context to unitsTestDataLineFn via u_parseDelimitedFile.
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struct UnitsTestContext {
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// Provides access to UnitsTest methods like logln.
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UnitsTest *unitsTest;
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// Conversion rates: does not take ownership.
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ConversionRates *conversionRates;
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};
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/**
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* Deals with a single data-driven unit test for unit conversions.
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*
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* This is a UParseLineFn as required by u_parseDelimitedFile, intended for
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* parsing unitsTest.txt.
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*
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* @param context Must point at a UnitsTestContext struct.
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* @param fields A list of pointer-pairs, each pair pointing at the start and
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* end of each field. End pointers are important because these are *not*
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* null-terminated strings. (Interpreted as a null-terminated string,
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* fields[0][0] points at the whole line.)
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* @param fieldCount The number of fields (pointer pairs) passed to the fields
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* parameter.
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* @param pErrorCode Receives status.
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*/
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void unitsTestDataLineFn(void *context, char *fields[][2], int32_t fieldCount, UErrorCode *pErrorCode) {
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if (U_FAILURE(*pErrorCode)) {
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return;
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}
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UnitsTestContext *ctx = (UnitsTestContext *)context;
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UnitsTest *unitsTest = ctx->unitsTest;
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(void)fieldCount; // unused UParseLineFn variable
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IcuTestErrorCode status(*unitsTest, "unitsTestDatalineFn");
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StringPiece quantity = trimField(fields[0]);
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StringPiece x = trimField(fields[1]);
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StringPiece y = trimField(fields[2]);
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StringPiece commentConversionFormula = trimField(fields[3]);
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StringPiece utf8Expected = trimField(fields[4]);
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UNumberFormat *nf = unum_open(UNUM_DEFAULT, NULL, -1, "en_US", NULL, status);
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if (status.errIfFailureAndReset("unum_open failed")) {
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return;
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}
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UnicodeString uExpected = UnicodeString::fromUTF8(utf8Expected);
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double expected = unum_parseDouble(nf, uExpected.getBuffer(), uExpected.length(), 0, status);
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unum_close(nf);
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if (status.errIfFailureAndReset("unum_parseDouble(\"%s\") failed", utf8Expected)) {
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return;
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}
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CharString sourceIdent(x, status);
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MeasureUnitImpl sourceUnit = MeasureUnitImpl::forIdentifier(x, status);
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if (status.errIfFailureAndReset("forIdentifier(\"%.*s\")", x.length(), x.data())) {
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return;
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}
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CharString targetIdent(y, status);
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MeasureUnitImpl targetUnit = MeasureUnitImpl::forIdentifier(y, status);
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if (status.errIfFailureAndReset("forIdentifier(\"%.*s\")", y.length(), y.data())) {
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return;
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}
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unitsTest->logln("Quantity (Category): \"%.*s\", "
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"Expected value of \"1000 %.*s in %.*s\": %f, "
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"commentConversionFormula: \"%.*s\", ",
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quantity.length(), quantity.data(), x.length(), x.data(), y.length(), y.data(),
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expected, commentConversionFormula.length(), commentConversionFormula.data());
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// Convertibility:
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auto convertibility = extractConvertibility(sourceUnit, targetUnit, *ctx->conversionRates, status);
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if (status.errIfFailureAndReset("extractConvertibility(<%s>, <%s>, ...)",
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sourceIdent.data(), targetIdent.data())) {
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return;
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}
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CharString msg;
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msg.append("convertible: ", status)
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.append(sourceIdent.data(), status)
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.append(" -> ", status)
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.append(targetIdent.data(), status);
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if (status.errIfFailureAndReset("msg construction")) {
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return;
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}
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unitsTest->assertNotEquals(msg.data(), UNCONVERTIBLE, convertibility);
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// Conversion:
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UnitConverter converter(sourceUnit, targetUnit, *ctx->conversionRates, status);
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if (status.errIfFailureAndReset("constructor: UnitConverter(<%s>, <%s>, status)",
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sourceIdent.data(), targetIdent.data())) {
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return;
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}
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double got = converter.convert(1000);
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msg.clear();
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msg.append("Converting 1000 ", status).append(x, status).append(" to ", status).append(y, status);
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unitsTest->assertEqualsNear(msg.data(), expected, got, 0.0001 * expected);
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double inverted = converter.convertInverse(got);
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msg.clear();
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msg.append("Converting back to ", status).append(x, status).append(" from ", status).append(y, status);
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unitsTest->assertEqualsNear(msg.data(), 1000, inverted, 0.0001);
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}
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/**
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* Runs data-driven unit tests for unit conversion. It looks for the test cases
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* in source/test/testdata/cldr/units/unitsTest.txt, which originates in CLDR.
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*/
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void UnitsTest::testConversions() {
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const char *filename = "unitsTest.txt";
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const int32_t kNumFields = 5;
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char *fields[kNumFields][2];
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IcuTestErrorCode errorCode(*this, "UnitsTest::testConversions");
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const char *sourceTestDataPath = getSourceTestData(errorCode);
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if (errorCode.errIfFailureAndReset("unable to find the source/test/testdata "
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"folder (getSourceTestData())")) {
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return;
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}
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CharString path(sourceTestDataPath, errorCode);
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path.appendPathPart("cldr/units", errorCode);
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path.appendPathPart(filename, errorCode);
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ConversionRates rates(errorCode);
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UnitsTestContext ctx = {this, &rates};
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u_parseDelimitedFile(path.data(), ';', fields, kNumFields, unitsTestDataLineFn, &ctx, errorCode);
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if (errorCode.errIfFailureAndReset("error parsing %s: %s\n", path.data(), u_errorName(errorCode))) {
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return;
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}
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}
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void UnitsTest::testComplexUnitsConverter() {
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IcuTestErrorCode status(*this, "UnitsTest::testComplexUnitsConverter");
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ConversionRates rates(status);
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MeasureUnit input = MeasureUnit::getFoot();
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MeasureUnit output = MeasureUnit::forIdentifier("foot-and-inch", status);
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MeasureUnitImpl tempInput, tempOutput;
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const MeasureUnitImpl &inputImpl = MeasureUnitImpl::forMeasureUnit(input, tempInput, status);
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const MeasureUnitImpl &outputImpl = MeasureUnitImpl::forMeasureUnit(output, tempOutput, status);
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auto converter = ComplexUnitsConverter(inputImpl, outputImpl, rates, status);
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// Significantly less than 2.0.
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MaybeStackVector<Measure> measures = converter.convert(1.9999, nullptr, status);
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assertEquals("measures length", 2, measures.length());
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if (2 == measures.length()) {
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assertEquals("1.9999: measures[0] value", 1.0, measures[0]->getNumber().getDouble(status));
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assertEquals("1.9999: measures[0] unit", MeasureUnit::getFoot().getIdentifier(),
|
|
measures[0]->getUnit().getIdentifier());
|
|
assertEqualsNear("1.9999: measures[1] value", 11.9988,
|
|
measures[1]->getNumber().getDouble(status), 0.0001);
|
|
assertEquals("1.9999: measures[1] unit", MeasureUnit::getInch().getIdentifier(),
|
|
measures[1]->getUnit().getIdentifier());
|
|
}
|
|
|
|
// TODO(icu-units#100): consider factoring out the set of tests to make this function more
|
|
// data-driven.
|
|
|
|
// A minimal nudge under 2.0.
|
|
measures = converter.convert((2.0 - DBL_EPSILON), nullptr, status);
|
|
assertEquals("measures length", 2, measures.length());
|
|
if (2 == measures.length()) {
|
|
assertEquals("1 - eps: measures[0] value", 2.0, measures[0]->getNumber().getDouble(status));
|
|
assertEquals("1 - eps: measures[0] unit", MeasureUnit::getFoot().getIdentifier(),
|
|
measures[0]->getUnit().getIdentifier());
|
|
assertEquals("1 - eps: measures[1] value", 0.0, measures[1]->getNumber().getDouble(status));
|
|
assertEquals("1 - eps: measures[1] unit", MeasureUnit::getInch().getIdentifier(),
|
|
measures[1]->getUnit().getIdentifier());
|
|
}
|
|
|
|
// Testing precision with meter and light-year. 1e-16 light years is
|
|
// 0.946073 meters, and double precision can provide only ~15 decimal
|
|
// digits, so we don't expect to get anything less than 1 meter.
|
|
|
|
// An epsilon's nudge under one light-year: should give 1 ly, 0 m.
|
|
input = MeasureUnit::getLightYear();
|
|
output = MeasureUnit::forIdentifier("light-year-and-meter", status);
|
|
const MeasureUnitImpl &inputImpl3 = MeasureUnitImpl::forMeasureUnit(input, tempInput, status);
|
|
const MeasureUnitImpl &outputImpl3 = MeasureUnitImpl::forMeasureUnit(output, tempOutput, status);
|
|
converter = ComplexUnitsConverter(inputImpl3, outputImpl3, rates, status);
|
|
measures = converter.convert((2.0 - DBL_EPSILON), nullptr, status);
|
|
assertEquals("measures length", 2, measures.length());
|
|
if (2 == measures.length()) {
|
|
assertEquals("light-year test: measures[0] value", 2.0,
|
|
measures[0]->getNumber().getDouble(status));
|
|
assertEquals("light-year test: measures[0] unit", MeasureUnit::getLightYear().getIdentifier(),
|
|
measures[0]->getUnit().getIdentifier());
|
|
assertEquals("light-year test: measures[1] value", 0.0,
|
|
measures[1]->getNumber().getDouble(status));
|
|
assertEquals("light-year test: measures[1] unit", MeasureUnit::getMeter().getIdentifier(),
|
|
measures[1]->getUnit().getIdentifier());
|
|
}
|
|
|
|
// 1e-15 light years is 9.46073 meters (calculated using "bc" and the CLDR
|
|
// conversion factor). With double-precision maths, we get 10.5. In this
|
|
// case, we're off by almost 1 meter.
|
|
measures = converter.convert((1.0 + 1e-15), nullptr, status);
|
|
assertEquals("measures length", 2, measures.length());
|
|
if (2 == measures.length()) {
|
|
assertEquals("light-year test: measures[0] value", 1.0,
|
|
measures[0]->getNumber().getDouble(status));
|
|
assertEquals("light-year test: measures[0] unit", MeasureUnit::getLightYear().getIdentifier(),
|
|
measures[0]->getUnit().getIdentifier());
|
|
assertEqualsNear("light-year test: measures[1] value", 10,
|
|
measures[1]->getNumber().getDouble(status), 1);
|
|
assertEquals("light-year test: measures[1] unit", MeasureUnit::getMeter().getIdentifier(),
|
|
measures[1]->getUnit().getIdentifier());
|
|
}
|
|
|
|
// 2e-16 light years is 1.892146 meters. We consider this in the noise, and
|
|
// thus expect a 0. (This test fails when 2e-16 is increased to 4e-16.)
|
|
measures = converter.convert((1.0 + 2e-16), nullptr, status);
|
|
assertEquals("measures length", 2, measures.length());
|
|
if (2 == measures.length()) {
|
|
assertEquals("light-year test: measures[0] value", 1.0,
|
|
measures[0]->getNumber().getDouble(status));
|
|
assertEquals("light-year test: measures[0] unit", MeasureUnit::getLightYear().getIdentifier(),
|
|
measures[0]->getUnit().getIdentifier());
|
|
assertEquals("light-year test: measures[1] value", 0.0,
|
|
measures[1]->getNumber().getDouble(status));
|
|
assertEquals("light-year test: measures[1] unit", MeasureUnit::getMeter().getIdentifier(),
|
|
measures[1]->getUnit().getIdentifier());
|
|
}
|
|
|
|
// TODO(icu-units#63): test negative numbers!
|
|
}
|
|
|
|
void UnitsTest::testComplexUnitConverterSorting() {
|
|
IcuTestErrorCode status(*this, "UnitsTest::testComplexUnitConverterSorting");
|
|
|
|
MeasureUnitImpl source = MeasureUnitImpl::forIdentifier("meter", status);
|
|
MeasureUnitImpl target = MeasureUnitImpl::forIdentifier("inch-and-foot", status);
|
|
ConversionRates conversionRates(status);
|
|
|
|
ComplexUnitsConverter complexConverter(source, target, conversionRates, status);
|
|
auto measures = complexConverter.convert(10.0, nullptr, status);
|
|
|
|
if (2 == measures.length()) {
|
|
assertEquals("inch-and-foot unit 0", "inch", measures[0]->getUnit().getIdentifier());
|
|
assertEquals("inch-and-foot unit 1", "foot", measures[1]->getUnit().getIdentifier());
|
|
|
|
assertEqualsNear("inch-and-foot value 0", 9.7008, measures[0]->getNumber().getDouble(), 0.0001);
|
|
assertEqualsNear("inch-and-foot value 1", 32, measures[1]->getNumber().getInt64(), 0.00001);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This class represents the output fields from unitPreferencesTest.txt. Please
|
|
* see the documentation at the top of that file for details.
|
|
*
|
|
* For "mixed units" output, there are more (repeated) output fields. The last
|
|
* output unit has the expected output specified as both a rational fraction and
|
|
* a decimal fraction. This class ignores rational fractions, and expects to
|
|
* find a decimal fraction for each output unit.
|
|
*/
|
|
class ExpectedOutput {
|
|
public:
|
|
// Counts number of units in the output. When this is more than one, we have
|
|
// "mixed units" in the expected output.
|
|
int _compoundCount = 0;
|
|
|
|
// Counts how many fields were skipped: we expect to skip only one per
|
|
// output unit type (the rational fraction).
|
|
int _skippedFields = 0;
|
|
|
|
// The expected output units: more than one for "mixed units".
|
|
MeasureUnit _measureUnits[3];
|
|
|
|
// The amounts of each of the output units.
|
|
double _amounts[3];
|
|
|
|
/**
|
|
* Parse an expected output field from the test data file.
|
|
*
|
|
* @param output may be a string representation of an integer, a rational
|
|
* fraction, a decimal fraction, or it may be a unit identifier. Whitespace
|
|
* should already be trimmed. This function ignores rational fractions,
|
|
* saving only decimal fractions and their unit identifiers.
|
|
* @return true if the field was successfully parsed, false if parsing
|
|
* failed.
|
|
*/
|
|
void parseOutputField(StringPiece output, UErrorCode &errorCode) {
|
|
if (U_FAILURE(errorCode)) return;
|
|
DecimalQuantity dqOutputD;
|
|
|
|
dqOutputD.setToDecNumber(output, errorCode);
|
|
if (U_SUCCESS(errorCode)) {
|
|
_amounts[_compoundCount] = dqOutputD.toDouble();
|
|
return;
|
|
} else if (errorCode == U_DECIMAL_NUMBER_SYNTAX_ERROR) {
|
|
// Not a decimal fraction, it might be a rational fraction or a unit
|
|
// identifier: continue.
|
|
errorCode = U_ZERO_ERROR;
|
|
} else {
|
|
// Unexpected error, so we propagate it.
|
|
return;
|
|
}
|
|
|
|
_measureUnits[_compoundCount] = MeasureUnit::forIdentifier(output, errorCode);
|
|
if (U_SUCCESS(errorCode)) {
|
|
_compoundCount++;
|
|
_skippedFields = 0;
|
|
return;
|
|
}
|
|
_skippedFields++;
|
|
if (_skippedFields < 2) {
|
|
// We are happy skipping one field per output unit: we want to skip
|
|
// rational fraction fields like "11 / 10".
|
|
errorCode = U_ZERO_ERROR;
|
|
return;
|
|
} else {
|
|
// Propagate the error.
|
|
return;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Produces an output string for debug purposes.
|
|
*/
|
|
std::string toDebugString() {
|
|
std::string result;
|
|
for (int i = 0; i < _compoundCount; i++) {
|
|
result += std::to_string(_amounts[i]);
|
|
result += " ";
|
|
result += _measureUnits[i].getIdentifier();
|
|
result += " ";
|
|
}
|
|
return result;
|
|
}
|
|
};
|
|
|
|
// Checks a vector of Measure instances against ExpectedOutput.
|
|
void checkOutput(UnitsTest *unitsTest, const char *msg, ExpectedOutput expected,
|
|
const MaybeStackVector<Measure> &actual, double precision) {
|
|
IcuTestErrorCode status(*unitsTest, "checkOutput");
|
|
|
|
CharString testMessage("Test case \"", status);
|
|
testMessage.append(msg, status);
|
|
testMessage.append("\": expected output: ", status);
|
|
testMessage.append(expected.toDebugString().c_str(), status);
|
|
testMessage.append(", obtained output:", status);
|
|
for (int i = 0; i < actual.length(); i++) {
|
|
testMessage.append(" ", status);
|
|
testMessage.append(std::to_string(actual[i]->getNumber().getDouble(status)), status);
|
|
testMessage.append(" ", status);
|
|
testMessage.appendInvariantChars(actual[i]->getUnit().getIdentifier(), status);
|
|
}
|
|
if (!unitsTest->assertEquals(testMessage.data(), expected._compoundCount, actual.length())) {
|
|
return;
|
|
};
|
|
for (int i = 0; i < actual.length(); i++) {
|
|
double permittedDiff = precision * expected._amounts[i];
|
|
if (permittedDiff == 0) {
|
|
// If 0 is expected, still permit a small delta.
|
|
// TODO: revisit this experimentally chosen value:
|
|
permittedDiff = 0.00000001;
|
|
}
|
|
unitsTest->assertEqualsNear(testMessage.data(), expected._amounts[i],
|
|
actual[i]->getNumber().getDouble(status), permittedDiff);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Runs a single data-driven unit test for unit preferences.
|
|
*
|
|
* This is a UParseLineFn as required by u_parseDelimitedFile, intended for
|
|
* parsing unitPreferencesTest.txt.
|
|
*/
|
|
void unitPreferencesTestDataLineFn(void *context, char *fields[][2], int32_t fieldCount,
|
|
UErrorCode *pErrorCode) {
|
|
if (U_FAILURE(*pErrorCode)) return;
|
|
UnitsTest *unitsTest = (UnitsTest *)context;
|
|
IcuTestErrorCode status(*unitsTest, "unitPreferencesTestDatalineFn");
|
|
|
|
if (!unitsTest->assertTrue(u"unitPreferencesTestDataLineFn expects 9 fields for simple and 11 "
|
|
u"fields for compound. Other field counts not yet supported. ",
|
|
fieldCount == 9 || fieldCount == 11)) {
|
|
return;
|
|
}
|
|
|
|
StringPiece quantity = trimField(fields[0]);
|
|
StringPiece usage = trimField(fields[1]);
|
|
StringPiece region = trimField(fields[2]);
|
|
// Unused // StringPiece inputR = trimField(fields[3]);
|
|
StringPiece inputD = trimField(fields[4]);
|
|
StringPiece inputUnit = trimField(fields[5]);
|
|
ExpectedOutput expected;
|
|
for (int i = 6; i < fieldCount; i++) {
|
|
expected.parseOutputField(trimField(fields[i]), status);
|
|
}
|
|
if (status.errIfFailureAndReset("parsing unitPreferencesTestData.txt test case: %s", fields[0][0])) {
|
|
return;
|
|
}
|
|
|
|
DecimalQuantity dqInputD;
|
|
dqInputD.setToDecNumber(inputD, status);
|
|
if (status.errIfFailureAndReset("parsing decimal quantity: \"%.*s\"", inputD.length(),
|
|
inputD.data())) {
|
|
return;
|
|
}
|
|
double inputAmount = dqInputD.toDouble();
|
|
|
|
MeasureUnit inputMeasureUnit = MeasureUnit::forIdentifier(inputUnit, status);
|
|
if (status.errIfFailureAndReset("forIdentifier(\"%.*s\")", inputUnit.length(), inputUnit.data())) {
|
|
return;
|
|
}
|
|
|
|
unitsTest->logln("Quantity (Category): \"%.*s\", Usage: \"%.*s\", Region: \"%.*s\", "
|
|
"Input: \"%f %s\", Expected Output: %s",
|
|
quantity.length(), quantity.data(), usage.length(), usage.data(), region.length(),
|
|
region.data(), inputAmount, inputMeasureUnit.getIdentifier(),
|
|
expected.toDebugString().c_str());
|
|
|
|
if (U_FAILURE(status)) {
|
|
return;
|
|
}
|
|
|
|
UnitsRouter router(inputMeasureUnit, region, usage, status);
|
|
if (status.errIfFailureAndReset("UnitsRouter(<%s>, \"%.*s\", \"%.*s\", status)",
|
|
inputMeasureUnit.getIdentifier(), region.length(), region.data(),
|
|
usage.length(), usage.data())) {
|
|
return;
|
|
}
|
|
|
|
CharString msg(quantity, status);
|
|
msg.append(" ", status);
|
|
msg.append(usage, status);
|
|
msg.append(" ", status);
|
|
msg.append(region, status);
|
|
msg.append(" ", status);
|
|
msg.append(inputD, status);
|
|
msg.append(" ", status);
|
|
msg.append(inputMeasureUnit.getIdentifier(), status);
|
|
if (status.errIfFailureAndReset("Failure before router.route")) {
|
|
return;
|
|
}
|
|
RouteResult routeResult = router.route(inputAmount, nullptr, status);
|
|
if (status.errIfFailureAndReset("router.route(inputAmount, ...)")) {
|
|
return;
|
|
}
|
|
// TODO: revisit this experimentally chosen precision:
|
|
checkOutput(unitsTest, msg.data(), expected, routeResult.measures, 0.0000000001);
|
|
}
|
|
|
|
/**
|
|
* Parses the format used by unitPreferencesTest.txt, calling lineFn for each
|
|
* line.
|
|
*
|
|
* This is a modified version of u_parseDelimitedFile, customized for
|
|
* unitPreferencesTest.txt, due to it having a variable number of fields per
|
|
* line.
|
|
*/
|
|
void parsePreferencesTests(const char *filename, char delimiter, char *fields[][2],
|
|
int32_t maxFieldCount, UParseLineFn *lineFn, void *context,
|
|
UErrorCode *pErrorCode) {
|
|
FileStream *file;
|
|
char line[10000];
|
|
char *start, *limit;
|
|
int32_t i;
|
|
|
|
if (U_FAILURE(*pErrorCode)) {
|
|
return;
|
|
}
|
|
|
|
if (fields == NULL || lineFn == NULL || maxFieldCount <= 0) {
|
|
*pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return;
|
|
}
|
|
|
|
if (filename == NULL || *filename == 0 || (*filename == '-' && filename[1] == 0)) {
|
|
filename = NULL;
|
|
file = T_FileStream_stdin();
|
|
} else {
|
|
file = T_FileStream_open(filename, "r");
|
|
}
|
|
if (file == NULL) {
|
|
*pErrorCode = U_FILE_ACCESS_ERROR;
|
|
return;
|
|
}
|
|
|
|
while (T_FileStream_readLine(file, line, sizeof(line)) != NULL) {
|
|
/* remove trailing newline characters */
|
|
u_rtrim(line);
|
|
|
|
start = line;
|
|
*pErrorCode = U_ZERO_ERROR;
|
|
|
|
/* skip this line if it is empty or a comment */
|
|
if (*start == 0 || *start == '#') {
|
|
continue;
|
|
}
|
|
|
|
/* remove in-line comments */
|
|
limit = uprv_strchr(start, '#');
|
|
if (limit != NULL) {
|
|
/* get white space before the pound sign */
|
|
while (limit > start && U_IS_INV_WHITESPACE(*(limit - 1))) {
|
|
--limit;
|
|
}
|
|
|
|
/* truncate the line */
|
|
*limit = 0;
|
|
}
|
|
|
|
/* skip lines with only whitespace */
|
|
if (u_skipWhitespace(start)[0] == 0) {
|
|
continue;
|
|
}
|
|
|
|
/* for each field, call the corresponding field function */
|
|
for (i = 0; i < maxFieldCount; ++i) {
|
|
/* set the limit pointer of this field */
|
|
limit = start;
|
|
while (*limit != delimiter && *limit != 0) {
|
|
++limit;
|
|
}
|
|
|
|
/* set the field start and limit in the fields array */
|
|
fields[i][0] = start;
|
|
fields[i][1] = limit;
|
|
|
|
/* set start to the beginning of the next field, if any */
|
|
start = limit;
|
|
if (*start != 0) {
|
|
++start;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
if (i == maxFieldCount) {
|
|
*pErrorCode = U_PARSE_ERROR;
|
|
}
|
|
int fieldCount = i + 1;
|
|
|
|
/* call the field function */
|
|
lineFn(context, fields, fieldCount, pErrorCode);
|
|
if (U_FAILURE(*pErrorCode)) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (filename != NULL) {
|
|
T_FileStream_close(file);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Runs data-driven unit tests for unit preferences. It looks for the test cases
|
|
* in source/test/testdata/cldr/units/unitPreferencesTest.txt, which originates
|
|
* in CLDR.
|
|
*/
|
|
void UnitsTest::testPreferences() {
|
|
const char *filename = "unitPreferencesTest.txt";
|
|
const int32_t maxFields = 11;
|
|
char *fields[maxFields][2];
|
|
|
|
IcuTestErrorCode errorCode(*this, "UnitsTest::testPreferences");
|
|
const char *sourceTestDataPath = getSourceTestData(errorCode);
|
|
if (errorCode.errIfFailureAndReset("unable to find the source/test/testdata "
|
|
"folder (getSourceTestData())")) {
|
|
return;
|
|
}
|
|
|
|
CharString path(sourceTestDataPath, errorCode);
|
|
path.appendPathPart("cldr/units", errorCode);
|
|
path.appendPathPart(filename, errorCode);
|
|
|
|
parsePreferencesTests(path.data(), ';', fields, maxFields, unitPreferencesTestDataLineFn, this,
|
|
errorCode);
|
|
if (errorCode.errIfFailureAndReset("error parsing %s: %s\n", path.data(), u_errorName(errorCode))) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
#endif /* #if !UCONFIG_NO_FORMATTING */
|