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72 lines
1.6 KiB
72 lines
1.6 KiB
// ArduinoJson - https://arduinojson.org
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// Copyright Benoit Blanchon 2014-2021
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// MIT License
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#include <ArduinoJson.h>
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#include <catch.hpp>
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template <typename TOut, typename TIn>
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void shouldBeOk(TIn value) {
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StaticJsonDocument<1> doc;
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JsonVariant var = doc.to<JsonVariant>();
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var.set(value);
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REQUIRE(var.as<TOut>() == TOut(value));
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}
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template <typename TOut, typename TIn>
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void shouldOverflow(TIn value) {
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StaticJsonDocument<1> doc;
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JsonVariant var = doc.to<JsonVariant>();
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var.set(value);
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REQUIRE(var.as<TOut>() == 0);
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REQUIRE(var.is<TOut>() == false);
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}
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TEST_CASE("Handle integer overflow in stored integer") {
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SECTION("int8_t") {
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// ok
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shouldBeOk<int8_t>(-128);
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shouldBeOk<int8_t>(42.0);
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shouldBeOk<int8_t>(127);
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// too low
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shouldOverflow<int8_t>(-128.1);
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shouldOverflow<int8_t>(-129);
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// too high
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shouldOverflow<int8_t>(128);
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shouldOverflow<int8_t>(127.1);
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}
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SECTION("int16_t") {
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// ok
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shouldBeOk<int16_t>(-32768);
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shouldBeOk<int16_t>(-32767.9);
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shouldBeOk<int16_t>(32766.9);
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shouldBeOk<int16_t>(32767);
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// too low
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shouldOverflow<int16_t>(-32768.1);
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shouldOverflow<int16_t>(-32769);
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// too high
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shouldOverflow<int16_t>(32767.1);
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shouldOverflow<int16_t>(32768);
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}
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SECTION("uint8_t") {
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// ok
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shouldBeOk<uint8_t>(1);
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shouldBeOk<uint8_t>(42.0);
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shouldBeOk<uint8_t>(255);
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// too low
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shouldOverflow<uint8_t>(-1);
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shouldOverflow<uint8_t>(-0.1);
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// to high
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shouldOverflow<uint8_t>(255.1);
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shouldOverflow<uint8_t>(256);
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shouldOverflow<uint8_t>(257);
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}
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}
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