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[#3163] add EXPECT_EQ_MARGIN and EXPECT_IN_RANGE

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This commit is contained in:
Andrei Pavel
2024-04-29 12:28:08 +03:00
parent 25523912ac
commit 55b6da5b9e
1 changed files with 50 additions and 2 deletions
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52
src/lib/testutils/gtest_utils.h
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@@ -118,7 +118,55 @@ namespace test {
}
#endif
}; // end of isc::test namespace
}; // end of isc namespace
/// @brief Expect two values to be equal with a given margin of error.
///
/// Output is similar to official gtest expect macro outputs.
/// Static casts avoid comparison of integers of different signs.
///
/// @param val1 the first value being tested
/// @param val2 the second value being tested
/// @param margin the allowed margin of error
#define EXPECT_EQ_MARGIN(val1_statement, val2_statement, margin_statement) \
{ \
auto const val1(val1_statement); \
auto const val2(static_cast<decltype(val1)>(val2_statement)); \
auto const margin(static_cast<decltype(val1)>(margin_statement)); \
if (val1 < val2 && val1 + margin < val2 || val2 < val1 && val2 + margin < val1) { \
ADD_FAILURE() << "Expected equality of these values:\n" \
<< " " << #val1_statement << "\n" \
<< " Which is: " << val1 << "\n" \
<< " " << #val2_statement << "\n" \
<< " Which is: " << val2 << "\n" \
<< "With a margin of error of:\n" \
<< " " << #margin_statement << "\n" \
<< " Which is: " << margin << ""; \
} \
}
/// @brief Expect a value to be between two other given values.
///
/// Output is similar to official gtest expect macro outputs.
/// Static casts avoid comparison of integers of different signs.
///
/// @param value_statement the statement for the value being tested
/// @param low_statement the low reference value being tested against
/// @param high_statement the high reference value being tested against
#define EXPECT_IN_RANGE(value_statement, low_statement, high_statement) \
{ \
auto const value(value_statement); \
auto const low(static_cast<decltype(value)>(low_statement)); \
auto const high(static_cast<decltype(value)>(high_statement)); \
if (value < low || high < value) { \
ADD_FAILURE() << "Expected this value:\n" \
<< " " << #value_statement << "\n" \
<< " Which is: " << value << "\n" \
<< "To be in range:\n" \
<< " [" << #low_statement << ", " << #high_statement << "]\n" \
<< " Which is: [" << low << ", " << high << "]"; \
} \
}
} // namespace test
} // namespace isc
#endif // GTEST_UTILS_H