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87 lines
2.1 KiB
87 lines
2.1 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("JsonVariant::shallowCopy()") {
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StaticJsonDocument<1024> doc1, doc2;
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JsonVariant variant = doc1.to<JsonVariant>();
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SECTION("JsonVariant::shallowCopy(JsonDocument&)") {
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doc2["hello"] = "world";
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variant.shallowCopy(doc2);
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CHECK(variant.as<std::string>() == "{\"hello\":\"world\"}");
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// altering the linked document should change the result
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doc2["hello"] = "WORLD!";
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CHECK(variant.as<std::string>() == "{\"hello\":\"WORLD!\"}");
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}
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SECTION("JsonVariant::shallowCopy(MemberProxy)") {
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doc2["obj"]["hello"] = "world";
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variant.shallowCopy(doc2["obj"]);
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CHECK(variant.as<std::string>() == "{\"hello\":\"world\"}");
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// altering the linked document should change the result
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doc2["obj"]["hello"] = "WORLD!";
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CHECK(variant.as<std::string>() == "{\"hello\":\"WORLD!\"}");
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}
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SECTION("JsonVariant::shallowCopy(ElementProxy)") {
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doc2[0]["hello"] = "world";
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variant.shallowCopy(doc2[0]);
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CHECK(variant.as<std::string>() == "{\"hello\":\"world\"}");
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// altering the linked document should change the result
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doc2[0]["hello"] = "WORLD!";
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CHECK(variant.as<std::string>() == "{\"hello\":\"WORLD!\"}");
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}
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SECTION("target is unbound") {
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JsonVariant unbound;
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variant["hello"] = "world";
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variant.shallowCopy(unbound);
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CHECK(variant.isUnbound() == false);
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CHECK(variant.isNull() == true);
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CHECK(variant.memoryUsage() == 0);
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CHECK(variant.size() == 0);
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}
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SECTION("variant is unbound") {
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JsonVariant unbound;
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doc2["hello"] = "world";
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unbound.shallowCopy(doc2);
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CHECK(unbound.isUnbound() == true);
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CHECK(unbound.isNull() == true);
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CHECK(unbound.memoryUsage() == 0);
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CHECK(unbound.size() == 0);
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}
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SECTION("preserves owned key bit") {
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doc2.set(42);
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doc1["a"].shallowCopy(doc2);
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doc1[std::string("b")].shallowCopy(doc2);
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JsonObject::iterator it = doc1.as<JsonObject>().begin();
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CHECK(it->key().isLinked() == true);
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++it;
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CHECK(it->key().isLinked() == false);
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}
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}
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