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Previously, when calling `BigFraction::from_string()`, the fractional part of the number was always treated as positive. This led to an incorrect result if the input string was negative.
29 lines
814 B
C++
29 lines
814 B
C++
/*
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* Copyright (c) 2024, Tim Ledbetter <timledbetter@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibCrypto/BigFraction/BigFraction.h>
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#include <LibTest/TestCase.h>
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TEST_CASE(roundtrip_from_string)
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{
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Array valid_number_strings {
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"0.1"sv,
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"-0.1"sv,
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"0.9"sv,
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"-0.9"sv,
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"1.2"sv,
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"-1.2"sv,
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"610888968122787804679.305596150292503043363"sv,
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"-610888968122787804679.305596150292503043363"sv
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};
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for (auto valid_number_string : valid_number_strings) {
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auto result = TRY_OR_FAIL(Crypto::BigFraction::from_string(valid_number_string));
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auto precision = valid_number_string.length() - valid_number_string.find('.').value();
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EXPECT_EQ(result.to_byte_string(precision), valid_number_string);
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}
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}
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