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100 lines
2.8 KiB
100 lines
2.8 KiB
#include <ArduinoJson.h>
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#include <catch.hpp>
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#include <string_view>
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#if !ARDUINOJSON_ENABLE_STRING_VIEW
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# error ARDUINOJSON_ENABLE_STRING_VIEW must be set to 1
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#endif
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TEST_CASE("string_view") {
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StaticJsonDocument<256> doc;
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JsonVariant variant = doc.to<JsonVariant>();
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SECTION("deserializeJson()") {
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auto err = deserializeJson(doc, std::string_view("123", 2));
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REQUIRE(err == DeserializationError::Ok);
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REQUIRE(doc.as<int>() == 12);
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}
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SECTION("JsonDocument::set()") {
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doc.set(std::string_view("123", 2));
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REQUIRE(doc.as<std::string>() == "12");
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}
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SECTION("JsonDocument::operator[]() const") {
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doc["ab"] = "Yes";
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doc["abc"] = "No";
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REQUIRE(doc[std::string_view("abc", 2)] == "Yes");
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}
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SECTION("JsonDocument::operator[]()") {
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doc[std::string_view("abc", 2)] = "Yes";
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REQUIRE(doc["ab"] == "Yes");
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}
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SECTION("JsonVariant::operator==()") {
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variant.set("A");
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REQUIRE(variant == std::string_view("AX", 1));
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REQUIRE_FALSE(variant == std::string_view("BX", 1));
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}
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SECTION("JsonVariant::operator>()") {
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variant.set("B");
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REQUIRE(variant > std::string_view("AX", 1));
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REQUIRE_FALSE(variant > std::string_view("CX", 1));
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}
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SECTION("JsonVariant::operator<()") {
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variant.set("B");
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REQUIRE(variant < std::string_view("CX", 1));
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REQUIRE_FALSE(variant < std::string_view("AX", 1));
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}
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SECTION("String deduplication") {
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doc.add(std::string_view("example one", 7));
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REQUIRE(doc.memoryUsage() == JSON_ARRAY_SIZE(1) + 8);
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doc.add(std::string_view("example two", 7));
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REQUIRE(doc.memoryUsage() == JSON_ARRAY_SIZE(2) + 8);
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doc.add(std::string_view("example\0tree", 12));
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REQUIRE(doc.memoryUsage() == JSON_ARRAY_SIZE(3) + 21);
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doc.add(std::string_view("example\0tree and a half", 12));
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REQUIRE(doc.memoryUsage() == JSON_ARRAY_SIZE(4) + 21);
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}
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SECTION("as<std::string_view>()") {
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doc["s"] = "Hello World";
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doc["i"] = 42;
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REQUIRE(doc["s"].as<std::string_view>() == std::string_view("Hello World"));
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REQUIRE(doc["i"].as<std::string_view>() == std::string_view());
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}
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SECTION("is<std::string_view>()") {
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doc["s"] = "Hello World";
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doc["i"] = 42;
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REQUIRE(doc["s"].is<std::string_view>() == true);
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REQUIRE(doc["i"].is<std::string_view>() == false);
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}
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SECTION("String containing NUL") {
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doc.set(std::string("hello\0world", 11));
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REQUIRE(doc.as<std::string_view>().size() == 11);
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REQUIRE(doc.as<std::string_view>() == std::string_view("hello\0world", 11));
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}
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}
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using ArduinoJson::detail::adaptString;
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TEST_CASE("StringViewAdapter") {
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std::string_view str("bravoXXX", 5);
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auto adapter = adaptString(str);
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CHECK(stringCompare(adapter, adaptString("alpha", 5)) > 0);
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CHECK(stringCompare(adapter, adaptString("bravo", 5)) == 0);
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CHECK(stringCompare(adapter, adaptString("charlie", 7)) < 0);
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CHECK(adapter.size() == 5);
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}
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