forked from bblanchon/ArduinoJson
47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
// ArduinoJson - https://arduinojson.org
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// Copyright © 2014-2023, 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 ArduinoJson::detail::sizeofArray;
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using ArduinoJson::detail::sizeofObject;
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using ArduinoJson::detail::sizeofString;
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TEST_CASE("JsonArray::memoryUsage()") {
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JsonDocument doc(4096);
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JsonArray arr = doc.to<JsonArray>();
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SECTION("return 0 if uninitialized") {
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JsonArray unitialized;
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REQUIRE(unitialized.memoryUsage() == 0);
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}
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SECTION("sizeofArray(0) if empty") {
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REQUIRE(arr.memoryUsage() == sizeofArray(0));
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}
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SECTION("sizeofArray(1) after add") {
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arr.add("hello");
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REQUIRE(arr.memoryUsage() == sizeofArray(1));
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}
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SECTION("includes the size of the string") {
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arr.add(std::string("hello"));
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REQUIRE(arr.memoryUsage() == sizeofArray(1) + sizeofString(5));
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}
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SECTION("includes the size of the nested array") {
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JsonArray nested = arr.createNestedArray();
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nested.add(42);
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REQUIRE(arr.memoryUsage() == 2 * sizeofArray(1));
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}
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SECTION("includes the size of the nested arrect") {
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JsonObject nested = arr.createNestedObject();
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nested["hello"] = "world";
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REQUIRE(arr.memoryUsage() == sizeofObject(1) + sizeofArray(1));
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}
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}
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