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42 lines
1.1 KiB
42 lines
1.1 KiB
// 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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TEST_CASE("JsonArray::memoryUsage()") {
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DynamicJsonDocument 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("JSON_ARRAY_SIZE(0) if empty") {
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REQUIRE(arr.memoryUsage() == JSON_ARRAY_SIZE(0));
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}
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SECTION("JSON_ARRAY_SIZE(1) after add") {
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arr.add("hello");
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REQUIRE(arr.memoryUsage() == JSON_ARRAY_SIZE(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() == JSON_ARRAY_SIZE(1) + 6);
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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 * JSON_ARRAY_SIZE(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() == JSON_OBJECT_SIZE(1) + JSON_ARRAY_SIZE(1));
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}
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}
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