forked from bblanchon/ArduinoJson
57 lines
1.6 KiB
C++
57 lines
1.6 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/Memory/MemoryPool.hpp>
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#include <ArduinoJson/Strings/StringAdapters.hpp>
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#include <catch.hpp>
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#include "Allocators.hpp"
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using namespace ArduinoJson::detail;
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static const char* saveString(MemoryPool& pool, const char* s) {
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return pool.saveString(adaptString(s));
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}
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static const char* saveString(MemoryPool& pool, const char* s, size_t n) {
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return pool.saveString(adaptString(s, n));
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}
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TEST_CASE("MemoryPool::saveString()") {
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MemoryPool pool(32);
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SECTION("Duplicates different strings") {
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const char* a = saveString(pool, "hello");
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const char* b = saveString(pool, "world");
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REQUIRE(a != b);
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REQUIRE(pool.size() == 2 * sizeofString(5));
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}
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SECTION("Deduplicates identical strings") {
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const char* a = saveString(pool, "hello");
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const char* b = saveString(pool, "hello");
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REQUIRE(a == b);
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REQUIRE(pool.size() == sizeofString(5));
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}
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SECTION("Deduplicates identical strings that contain NUL") {
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const char* a = saveString(pool, "hello\0world", 11);
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const char* b = saveString(pool, "hello\0world", 11);
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REQUIRE(a == b);
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REQUIRE(pool.size() == sizeofString(11));
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}
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SECTION("Don't stop on first NUL") {
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const char* a = saveString(pool, "hello");
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const char* b = saveString(pool, "hello\0world", 11);
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REQUIRE(a != b);
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REQUIRE(pool.size() == sizeofString(5) + sizeofString(11));
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}
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SECTION("Returns NULL when allocation fails") {
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MemoryPool pool2(32, FailingAllocator::instance());
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REQUIRE(0 == saveString(pool2, "a"));
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}
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}
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