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47 lines
1.1 KiB
47 lines
1.1 KiB
// ArduinoJson - https://arduinojson.org
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// Copyright © 2014-2024, 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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#include <stdlib.h> // malloc, free
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#include <string>
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#include "Allocators.hpp"
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TEST_CASE("JsonDocument::clear()") {
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SpyingAllocator spy;
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JsonDocument doc(&spy);
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SECTION("null") {
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doc.clear();
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REQUIRE(doc.isNull());
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REQUIRE(spy.log() == AllocatorLog{});
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}
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SECTION("releases resources") {
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doc[std::string("hello")] = std::string("world");
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spy.clearLog();
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doc.clear();
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REQUIRE(doc.isNull());
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REQUIRE(spy.log() == AllocatorLog{
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Deallocate(sizeofPool()),
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Deallocate(sizeofString("hello")),
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Deallocate(sizeofString("world")),
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});
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}
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SECTION("clear free list") { // issue #2034
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JsonObject obj = doc.to<JsonObject>();
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obj["a"] = 1;
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obj.clear(); // puts the slot in the free list
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doc.clear();
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doc["b"] = 2; // will it pick from the free list?
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}
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}
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