25 lines
710 B
25 lines
710 B
// ArduinoJson - https://arduinojson.org
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// Copyright © 2014-2022, Benoit BLANCHON
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// MIT License
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#include <ArduinoJson.h>
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#include <catch.hpp>
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using namespace ARDUINOJSON_NAMESPACE;
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template <typename T>
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static void check(const char* input, T expected) {
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T actual;
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uint8_t* f = reinterpret_cast<uint8_t*>(&actual);
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const uint8_t* d = reinterpret_cast<const uint8_t*>(input);
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doubleToFloat(d, f);
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fixEndianess(actual);
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CHECK(actual == expected);
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}
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TEST_CASE("doubleToFloat()") {
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check("\x40\x09\x21\xCA\xC0\x83\x12\x6F", 3.1415f);
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check("\x00\x00\x00\x00\x00\x00\x00\x00", 0.0f);
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check("\x80\x00\x00\x00\x00\x00\x00\x00", -0.0f);
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check("\xC0\x5E\xDC\xCC\xCC\xCC\xCC\xCD", -123.45f);
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}
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