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110 lines
2.7 KiB
110 lines
2.7 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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static void eraseString(std::string& str) {
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char* p = const_cast<char*>(str.c_str());
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while (*p)
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*p++ = '*';
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}
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TEST_CASE("std::string") {
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DynamicJsonDocument doc(4096);
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SECTION("operator[]") {
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char json[] = "{\"key\":\"value\"}";
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deserializeJson(doc, json);
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JsonObject obj = doc.as<JsonObject>();
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REQUIRE(std::string("value") == obj[std::string("key")]);
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}
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SECTION("operator[] const") {
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char json[] = "{\"key\":\"value\"}";
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deserializeJson(doc, json);
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JsonObject obj = doc.as<JsonObject>();
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REQUIRE(std::string("value") == obj[std::string("key")]);
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}
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SECTION("createNestedObject()") {
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JsonObject obj = doc.to<JsonObject>();
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std::string key = "key";
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char json[64];
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obj.createNestedObject(key);
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eraseString(key);
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serializeJson(doc, json, sizeof(json));
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REQUIRE(std::string("{\"key\":{}}") == json);
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}
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SECTION("createNestedArray()") {
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JsonObject obj = doc.to<JsonObject>();
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std::string key = "key";
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char json[64];
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obj.createNestedArray(key);
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eraseString(key);
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serializeJson(doc, json, sizeof(json));
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REQUIRE(std::string("{\"key\":[]}") == json);
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}
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SECTION("containsKey()") {
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char json[] = "{\"key\":\"value\"}";
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deserializeJson(doc, json);
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JsonObject obj = doc.as<JsonObject>();
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REQUIRE(true == obj.containsKey(std::string("key")));
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}
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SECTION("remove()") {
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JsonObject obj = doc.to<JsonObject>();
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obj["key"] = "value";
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obj.remove(std::string("key"));
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REQUIRE(0 == obj.size());
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}
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SECTION("operator[], set key") {
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std::string key("hello");
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JsonObject obj = doc.to<JsonObject>();
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obj[key] = "world";
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eraseString(key);
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REQUIRE(std::string("world") == obj["hello"]);
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}
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SECTION("operator[], set value") {
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std::string value("world");
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JsonObject obj = doc.to<JsonObject>();
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obj["hello"] = value;
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eraseString(value);
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REQUIRE(std::string("world") == obj["hello"]);
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}
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SECTION("memoryUsage() increases when adding a new key") {
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std::string key1("hello"), key2("world");
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JsonObject obj = doc.to<JsonObject>();
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obj[key1] = 1;
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size_t sizeBefore = doc.memoryUsage();
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obj[key2] = 2;
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size_t sizeAfter = doc.memoryUsage();
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REQUIRE(sizeAfter - sizeBefore >= key2.size());
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}
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SECTION("memoryUsage() remains when adding the same key") {
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std::string key("hello");
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JsonObject obj = doc.to<JsonObject>();
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obj[key] = 1;
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size_t sizeBefore = doc.memoryUsage();
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obj[key] = 2;
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size_t sizeAfter = doc.memoryUsage();
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REQUIRE(sizeBefore == sizeAfter);
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}
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}
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