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37 * Declares internal helper classes for the reference data framework to check
38 * reference data values of different types.
40 * \author Teemu Murtola <teemu.murtola@gmail.com>
41 * \ingroup module_testutils
43 #ifndef GMX_TESTUTILS_REFDATA_CHECKERS_H
44 #define GMX_TESTUTILS_REFDATA_CHECKERS_H
51 #include <gtest/gtest.h>
53 #include "gromacs/utility/basedefinitions.h"
54 #include "gromacs/utility/exceptions.h"
55 #include "gromacs/utility/strconvert.h"
56 #include "gromacs/utility/stringutil.h"
58 #include "testutils/refdata_impl.h"
59 #include "testutils/testasserts.h"
60 #include "testutils/testexceptions.h"
67 class IReferenceDataEntryChecker
70 virtual void fillEntry(ReferenceDataEntry* entry) const = 0;
71 virtual ::testing::AssertionResult checkEntry(const ReferenceDataEntry& entry,
72 const std::string& fullId) const = 0;
75 virtual ~IReferenceDataEntryChecker() {}
78 class NullChecker : public IReferenceDataEntryChecker
81 void fillEntry(ReferenceDataEntry* /*entry*/) const override {}
82 ::testing::AssertionResult checkEntry(const ReferenceDataEntry& /*entry*/,
83 const std::string& /*fullId*/) const override
85 return ::testing::AssertionSuccess();
89 class ExactStringChecker : public IReferenceDataEntryChecker
92 explicit ExactStringChecker(const std::string& value) : value_(value) {}
94 void fillEntry(ReferenceDataEntry* entry) const override { entry->setValue(value_); }
95 ::testing::AssertionResult checkEntry(const ReferenceDataEntry& entry, const std::string& fullId) const override
97 if (entry.value() == value_)
99 return ::testing::AssertionSuccess();
101 return ::testing::AssertionFailure() << " In item: " << fullId << std::endl
102 << " Actual: '" << value_ << "'" << std::endl
103 << "Reference: '" << entry.value() << "'";
110 class ExactStringBlockChecker : public IReferenceDataEntryChecker
113 explicit ExactStringBlockChecker(const std::string& value) : value_(value) {}
115 void fillEntry(ReferenceDataEntry* entry) const override { entry->setTextBlockValue(value_); }
116 ::testing::AssertionResult checkEntry(const ReferenceDataEntry& entry, const std::string& fullId) const override
118 if (entry.value() == value_)
120 return ::testing::AssertionSuccess();
122 return ::testing::AssertionFailure() << " In item: " << fullId << std::endl
123 << " Actual: '" << value_ << "'" << std::endl
124 << "Reference: '" << entry.value() << "'";
132 //! Helper function to parse a floating-point reference data value.
133 static inline double convertDoubleReferenceValue(const std::string& value)
137 return fromString<double>(value);
139 catch (const InvalidInputError& ex)
141 GMX_THROW_WRAPPER_TESTEXCEPTION(ex);
145 template<typename FloatType>
146 class FloatingPointChecker : public IReferenceDataEntryChecker
149 FloatingPointChecker(FloatType value, const FloatingPointTolerance& tolerance) :
151 tolerance_(tolerance)
155 void fillEntry(ReferenceDataEntry* entry) const override
157 const int prec = std::numeric_limits<FloatType>::digits10 + 2;
158 entry->setValue(formatString("%.*g", prec, value_));
160 ::testing::AssertionResult checkEntry(const ReferenceDataEntry& entry, const std::string& fullId) const override
162 FloatType refValue = static_cast<FloatType>(convertDoubleReferenceValue(entry.value()));
163 FloatingPointDifference diff(refValue, value_);
164 if (tolerance_.isWithin(diff))
166 return ::testing::AssertionSuccess();
168 return ::testing::AssertionFailure() << " In item: " << fullId << std::endl
169 << " Actual: " << value_ << std::endl
170 << " Reference: " << refValue << std::endl
171 << "Difference: " << diff.toString() << std::endl
172 << " Tolerance: " << tolerance_.toString(diff);
177 FloatingPointTolerance tolerance_;
180 template<typename FloatType>
181 class FloatingPointFromStringChecker : public IReferenceDataEntryChecker
184 FloatingPointFromStringChecker(const std::string& value, const FloatingPointTolerance& tolerance) :
186 tolerance_(tolerance)
190 void fillEntry(ReferenceDataEntry* entry) const override { entry->setValue(value_); }
191 ::testing::AssertionResult checkEntry(const ReferenceDataEntry& entry, const std::string& fullId) const override
193 FloatType value = fromString<FloatType>(value_);
194 FloatType refValue = static_cast<FloatType>(convertDoubleReferenceValue(entry.value()));
195 FloatingPointDifference diff(refValue, value);
196 if (tolerance_.isWithin(diff))
198 return ::testing::AssertionSuccess();
200 return ::testing::AssertionFailure() << " In item: " << fullId << std::endl
201 << " Actual: " << value << std::endl
202 << " Reference: " << entry.value() << std::endl
203 << "Difference: " << diff.toString() << std::endl
204 << " Tolerance: " << tolerance_.toString(diff);
209 FloatingPointTolerance tolerance_;
212 template<typename ValueType>
213 class ValueExtractor : public IReferenceDataEntryChecker
216 explicit ValueExtractor(ValueType* value) : value_(value) {}
218 void fillEntry(ReferenceDataEntry* /*entry*/) const override
220 GMX_THROW(TestException("Extracting value from non-existent reference data entry"));
222 ::testing::AssertionResult checkEntry(const ReferenceDataEntry& entry,
223 const std::string& /*fullId*/) const override
225 extractValue(entry.value());
226 return ::testing::AssertionSuccess();
229 void extractValue(const std::string& value) const { *value_ = fromString<ValueType>(value); }
236 inline void ValueExtractor<std::string>::extractValue(const std::string& value) const