90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2018
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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("deserialize JSON array with a StaticJsonDocument") {
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SECTION("BufferOfTheRightSizeForEmptyArray") {
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StaticJsonDocument<JSON_ARRAY_SIZE(0)> doc;
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char input[] = "[]";
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DeserializationError err = deserializeJson(doc, input);
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REQUIRE(err == DeserializationError::Ok);
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}
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SECTION("TooSmallBufferForArrayWithOneValue") {
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StaticJsonDocument<JSON_ARRAY_SIZE(1) - 1> doc;
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char input[] = "[1]";
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DeserializationError err = deserializeJson(doc, input);
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REQUIRE(err == DeserializationError::NoMemory);
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}
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SECTION("BufferOfTheRightSizeForArrayWithOneValue") {
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StaticJsonDocument<JSON_ARRAY_SIZE(1)> doc;
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char input[] = "[1]";
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DeserializationError err = deserializeJson(doc, input);
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REQUIRE(err == DeserializationError::Ok);
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}
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SECTION("TooSmallBufferForArrayWithNestedObject") {
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StaticJsonDocument<JSON_ARRAY_SIZE(1) + JSON_OBJECT_SIZE(0) - 1> doc;
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char input[] = "[{}]";
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DeserializationError err = deserializeJson(doc, input);
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REQUIRE(err == DeserializationError::NoMemory);
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}
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SECTION("BufferOfTheRightSizeForArrayWithNestedObject") {
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StaticJsonDocument<JSON_ARRAY_SIZE(1) + JSON_OBJECT_SIZE(0)> doc;
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char input[] = "[{}]";
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DeserializationError err = deserializeJson(doc, input);
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REQUIRE(err == DeserializationError::Ok);
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}
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SECTION("CopyStringNotSpaces") {
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StaticJsonDocument<100> doc;
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deserializeJson(doc, " [ \"1234567\" ] ");
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REQUIRE(JSON_ARRAY_SIZE(1) + sizeof("1234567") == doc.memoryUsage());
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// note: we use a string of 8 bytes to be sure that the StaticMemoryPool
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// will not insert bytes to enforce alignement
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}
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SECTION("Should clear the JsonArray") {
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StaticJsonDocument<JSON_ARRAY_SIZE(4)> doc;
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char input[] = "[1,2,3,4]";
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deserializeJson(doc, input);
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deserializeJson(doc, "[]");
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JsonArray arr = doc.as<JsonArray>();
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REQUIRE(arr.size() == 0);
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REQUIRE(doc.memoryUsage() == JSON_ARRAY_SIZE(0));
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}
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SECTION("Array") {
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StaticJsonDocument<JSON_ARRAY_SIZE(2)> doc;
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char input[] = "[1,2]";
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DeserializationError err = deserializeJson(doc, input);
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JsonArray arr = doc.as<JsonArray>();
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REQUIRE(err == DeserializationError::Ok);
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REQUIRE(doc.is<JsonArray>());
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REQUIRE(doc.memoryUsage() == JSON_ARRAY_SIZE(2));
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REQUIRE(arr[0] == 1);
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REQUIRE(arr[1] == 2);
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}
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}
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