forked from bblanchon/ArduinoJson
59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2020
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// MIT License
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#include <ArduinoJson/Memory/MemoryPool.hpp>
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#include <catch.hpp>
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using namespace ARDUINOJSON_NAMESPACE;
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TEST_CASE("MemoryPool::capacity()") {
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char buffer[4096];
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const size_t capacity = 64;
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MemoryPool pool(buffer, capacity);
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REQUIRE(capacity == pool.capacity());
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}
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TEST_CASE("MemoryPool::size()") {
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char buffer[4096];
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MemoryPool pool(buffer, sizeof(buffer));
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SECTION("Initial size is 0") {
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REQUIRE(0 == pool.size());
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}
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SECTION("size() == capacity() after allocExpandableString()") {
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pool.allocExpandableString();
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REQUIRE(pool.size() == pool.capacity());
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}
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SECTION("Decreases after freezeString()") {
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StringSlot a = pool.allocExpandableString();
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pool.freezeString(a, 1);
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REQUIRE(pool.size() == JSON_STRING_SIZE(1));
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StringSlot b = pool.allocExpandableString();
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pool.freezeString(b, 1);
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REQUIRE(pool.size() == 2 * JSON_STRING_SIZE(1));
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}
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SECTION("Increases after allocFrozenString()") {
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pool.allocFrozenString(0);
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REQUIRE(pool.size() == JSON_STRING_SIZE(0));
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pool.allocFrozenString(0);
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REQUIRE(pool.size() == 2 * JSON_STRING_SIZE(0));
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}
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SECTION("Doesn't grow when memory pool is full") {
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const size_t variantCount = sizeof(buffer) / sizeof(VariantSlot);
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for (size_t i = 0; i < variantCount; i++) pool.allocVariant();
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size_t size = pool.size();
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pool.allocVariant();
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REQUIRE(size == pool.size());
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}
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}
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