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paho.mqtt.cpp/test/unit/test_string_collection.cpp
2023-12-08 11:20:11 -07:00

505 lines
12 KiB
C++

// test_string_collection.cpp
//
// Unit tests for the string_collection and name_value_collection classes in
// the Paho MQTT C++ library.
//
/*******************************************************************************
* Copyright (c) 2017-2020 Frank Pagliughi <fpagliughi@mindspring.com>
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* and Eclipse Distribution License v1.0 which accompany this distribution.
*
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v20.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Frank Pagliughi - initial implementation and documentation
*******************************************************************************/
#define UNIT_TESTS
#include <vector>
#include <cstring>
#include "catch2_version.h"
#include "mqtt/string_collection.h"
using namespace mqtt;
static const string STR { "Some random string" };
static const std::vector<string> VEC { "test0", "test1", "test2" };
static const std::map<string, string> NV_PAIRS {
{ "name0", "value0" },
{ "name1", "value1" },
{ "name2", "value2" }
};
// ----------------------------------------------------------------------
// Test the default constructor
// ----------------------------------------------------------------------
TEST_CASE("string_collection default ctor", "[collections]")
{
string_collection sc;
REQUIRE(sc.empty());
REQUIRE(sc.size() == size_t(0));
}
// ----------------------------------------------------------------------
// Test the string copy constructor
// ----------------------------------------------------------------------
TEST_CASE("string_collection str copy ctor", "[collections]")
{
string_collection sc(STR);
REQUIRE(size_t(1) == sc.size());
REQUIRE(STR == sc[0]);
auto c_arr = sc.c_arr();
REQUIRE(0 == strcmp(STR.c_str(), c_arr[0]));
}
// ----------------------------------------------------------------------
// Test the string move constructor
// ----------------------------------------------------------------------
TEST_CASE("string_collection str move ctor", "[collections]")
{
string str(STR);
string_collection sc(std::move(str));
REQUIRE(size_t(1) == sc.size());
REQUIRE(STR == sc[0]);
auto c_arr = sc.c_arr();
REQUIRE(0 == strcmp(STR.c_str(), c_arr[0]));
}
// ----------------------------------------------------------------------
// Test the vector copy constructor
// ----------------------------------------------------------------------
TEST_CASE("string_collection vec copy ctor", "[collections]")
{
string_collection sc(VEC);
REQUIRE(VEC.size() == sc.size());
REQUIRE(VEC[0] == sc[0]);
REQUIRE(VEC[1] == sc[1]);
REQUIRE(VEC[2] == sc[2]);
auto c_arr = sc.c_arr();
REQUIRE(0 == strcmp(VEC[0].c_str(), c_arr[0]));
REQUIRE(0 == strcmp(VEC[1].c_str(), c_arr[1]));
REQUIRE(0 == strcmp(VEC[2].c_str(), c_arr[2]));
}
// ----------------------------------------------------------------------
// Test the vector move constructor
// ----------------------------------------------------------------------
TEST_CASE("string_collection vec move ctor", "[collections]")
{
std::vector<string> vec{ VEC };
string_collection sc(std::move(vec));
REQUIRE(VEC.size() == sc.size());
REQUIRE(VEC[0] == sc[0]);
REQUIRE(VEC[1] == sc[1]);
REQUIRE(VEC[2] == sc[2]);
auto c_arr = sc.c_arr();
REQUIRE(0 == strcmp(VEC[0].c_str(), c_arr[0]));
REQUIRE(0 == strcmp(VEC[1].c_str(), c_arr[1]));
REQUIRE(0 == strcmp(VEC[2].c_str(), c_arr[2]));
}
// ----------------------------------------------------------------------
// Test the ini vector constructor
// ----------------------------------------------------------------------
TEST_CASE("string_collection ini str ctor", "[collections]")
{
string_collection sc( { VEC[0], VEC[1], VEC[2] } );
REQUIRE(size_t(3) == sc.size());
REQUIRE(VEC[0] == sc[0]);
REQUIRE(VEC[1] == sc[1]);
REQUIRE(VEC[2] == sc[2]);
auto c_arr = sc.c_arr();
REQUIRE(0 == strcmp(VEC[0].c_str(), c_arr[0]));
REQUIRE(0 == strcmp(VEC[1].c_str(), c_arr[1]));
REQUIRE(0 == strcmp(VEC[2].c_str(), c_arr[2]));
}
// ----------------------------------------------------------------------
// Test the ini vector constructor
// ----------------------------------------------------------------------
TEST_CASE("string_collection ini cstr ctor", "[collections]")
{
string_collection sc( { "test0", "test1", "test2" } );
REQUIRE(size_t(3) == sc.size());
REQUIRE(string("test0") == sc[0]);
REQUIRE(string("test1") == sc[1]);
REQUIRE(string("test2") == sc[2]);
auto c_arr = sc.c_arr();
REQUIRE(0 == strcmp(sc[0].c_str(), c_arr[0]));
REQUIRE(0 == strcmp(sc[1].c_str(), c_arr[1]));
REQUIRE(0 == strcmp(sc[2].c_str(), c_arr[2]));
}
// ----------------------------------------------------------------------
// Test the copy constructor
// ----------------------------------------------------------------------
TEST_CASE("string_collection copy ctor", "[collections]")
{
string_collection orgSC(VEC);
string_collection sc(orgSC);;
REQUIRE(VEC.size() == sc.size());
REQUIRE(VEC[0] == sc[0]);
REQUIRE(VEC[1] == sc[1]);
REQUIRE(VEC[2] == sc[2]);
auto c_arr = sc.c_arr();
REQUIRE(0 == strcmp(VEC[0].c_str(), c_arr[0]));
REQUIRE(0 == strcmp(VEC[1].c_str(), c_arr[1]));
REQUIRE(0 == strcmp(VEC[2].c_str(), c_arr[2]));
}
// ----------------------------------------------------------------------
// Test the move constructor
// ----------------------------------------------------------------------
TEST_CASE("string_collection move ctor", "[collections]")
{
string_collection orgSC(VEC);
string_collection sc(std::move(orgSC));
REQUIRE(VEC.size() == sc.size());
REQUIRE(VEC[0] == sc[0]);
REQUIRE(VEC[1] == sc[1]);
REQUIRE(VEC[2] == sc[2]);
auto c_arr = sc.c_arr();
REQUIRE(0 == strcmp(VEC[0].c_str(), c_arr[0]));
REQUIRE(0 == strcmp(VEC[1].c_str(), c_arr[1]));
REQUIRE(0 == strcmp(VEC[2].c_str(), c_arr[2]));
}
// ----------------------------------------------------------------------
// Test the copy assignment
// ----------------------------------------------------------------------
TEST_CASE("string_collection copy assignment", "[collections]")
{
string_collection orgSC(VEC);
string_collection sc;
sc = orgSC;
REQUIRE(VEC.size() == sc.size());
REQUIRE(VEC[0] == sc[0]);
REQUIRE(VEC[1] == sc[1]);
REQUIRE(VEC[2] == sc[2]);
auto c_arr = sc.c_arr();
REQUIRE(0 == strcmp(VEC[0].c_str(), c_arr[0]));
REQUIRE(0 == strcmp(VEC[1].c_str(), c_arr[1]));
REQUIRE(0 == strcmp(VEC[2].c_str(), c_arr[2]));
}
// ----------------------------------------------------------------------
// Test the move assignment
// ----------------------------------------------------------------------
TEST_CASE("string_collection move assignment", "[collections]")
{
string_collection orgSC(VEC);
string_collection sc;
sc = std::move(orgSC);
REQUIRE(VEC.size() == sc.size());
REQUIRE(VEC[0] == sc[0]);
REQUIRE(VEC[1] == sc[1]);
REQUIRE(VEC[2] == sc[2]);
auto c_arr = sc.c_arr();
REQUIRE(0 == strcmp(VEC[0].c_str(), c_arr[0]));
REQUIRE(0 == strcmp(VEC[1].c_str(), c_arr[1]));
REQUIRE(0 == strcmp(VEC[2].c_str(), c_arr[2]));
}
// ----------------------------------------------------------------------
// Test the push back of strings
// ----------------------------------------------------------------------
TEST_CASE("string_collection push str", "[collections]")
{
string_collection sc;
for (const auto& s : VEC)
sc.push_back(s);
REQUIRE(VEC.size() == sc.size());
REQUIRE(VEC[0] == sc[0]);
REQUIRE(VEC[1] == sc[1]);
REQUIRE(VEC[2] == sc[2]);
auto c_arr = sc.c_arr();
REQUIRE(0 == strcmp(VEC[0].c_str(), c_arr[0]));
REQUIRE(0 == strcmp(VEC[1].c_str(), c_arr[1]));
REQUIRE(0 == strcmp(VEC[2].c_str(), c_arr[2]));
}
// ----------------------------------------------------------------------
// Test the push back of C strings
// ----------------------------------------------------------------------
TEST_CASE("string_collection push cstr", "[collections]")
{
string_collection sc;
for (const auto& s : VEC)
sc.push_back(s.c_str());
REQUIRE(VEC.size() == sc.size());
REQUIRE(VEC[0] == sc[0]);
REQUIRE(VEC[1] == sc[1]);
REQUIRE(VEC[2] == sc[2]);
auto c_arr = sc.c_arr();
REQUIRE(0 == strcmp(VEC[0].c_str(), c_arr[0]));
REQUIRE(0 == strcmp(VEC[1].c_str(), c_arr[1]));
REQUIRE(0 == strcmp(VEC[2].c_str(), c_arr[2]));
}
// ----------------------------------------------------------------------
// Test the clear method
// ----------------------------------------------------------------------
TEST_CASE("string_collection clear", "[collections]")
{
string_collection sc(VEC);
REQUIRE_FALSE(sc.empty());
sc.clear();
REQUIRE(sc.empty());
REQUIRE(size_t(0) == sc.size());
}
// ----------------------------------------------------------------------
// Test the const_iterator class
// ----------------------------------------------------------------------
TEST_CASE("string_collection for each", "[collections]")
{
string_collection sc(VEC);
size_t i = 0u;
for (const auto & string : sc) {
REQUIRE(sc[i] == sc[i]);
++i;
}
REQUIRE(i == sc.size());
}
TEST_CASE("string_collection iterator for with advance", "[collections]")
{
string_collection sc(VEC);
size_t i = 0u;
for (auto it = sc.begin(); it != sc.end(); std::advance(it, 1)) {
REQUIRE(*it == sc[i]);
++i;
}
REQUIRE(i == sc.size());
}
TEST_CASE("string_collection iterator for with pre-increment", "[collections]")
{
string_collection sc(VEC);
size_t i = 0u;
for (auto it = sc.begin(); it != sc.end(); ++it) {
REQUIRE(*it == sc[i]);
++i;
}
REQUIRE(i == sc.size());
}
TEST_CASE("string_collection iterator for with post increment", "[collections]")
{
string_collection sc(VEC);
size_t i = 0u;
for (auto it = sc.begin(); it != sc.end(); it++) {
REQUIRE(*it == sc[i]);
++i;
}
REQUIRE(i == sc.size());
}
TEST_CASE("string_collection begin", "[collections]")
{
string_collection sc(VEC);
REQUIRE(*(sc.begin()) == sc[0u]);
}
TEST_CASE("string_collection std copy", "[collections]")
{
string_collection sc(VEC);
std::vector<std::string> output;
std::copy(
sc.begin(),
sc.end(),
std::back_inserter(output)
);
REQUIRE(sc.size() == output.size());
for (size_t i = 0u; i < sc.size(); ++i) {
REQUIRE(sc[i] == output[i]);
}
}
/////////////////////////////////////////////////////////////////////////////
// name_value_collection
/////////////////////////////////////////////////////////////////////////////
TEST_CASE("name_value_collection default ctor", "[collections]")
{
name_value_collection nvc;
REQUIRE(nvc.empty());
REQUIRE(0 == nvc.size());
}
TEST_CASE("name_value_collection initializer ctor", "[collections]")
{
name_value_collection nvc {
{ "name0", "value0" },
{ "name1", "value1" },
{ "name2", "value2" }
};
REQUIRE_FALSE(nvc.empty());
REQUIRE(3 == nvc.size());
auto cArr = nvc.c_arr();
REQUIRE(0 == strcmp("name0", cArr[0].name));
REQUIRE(0 == strcmp("value0", cArr[0].value));
REQUIRE(0 == strcmp("name1", cArr[1].name));
REQUIRE(0 == strcmp("value1", cArr[1].value));
REQUIRE(0 == strcmp("name2", cArr[2].name));
REQUIRE(0 == strcmp("value2", cArr[2].value));
REQUIRE(nullptr == cArr[3].name);
REQUIRE(nullptr == cArr[3].value);
}
TEST_CASE("name_value_collection coll ctor", "[collections]")
{
name_value_collection nvc { NV_PAIRS };
std::map<string, string> nvPairs { NV_PAIRS };
const size_t SZ = nvPairs.size();
REQUIRE_FALSE(nvc.empty());
REQUIRE(SZ == nvc.size());
auto cArr = nvc.c_arr();
for (size_t i=0; i<SZ; ++i) {
auto key = string(cArr[i].name);
auto val = string(cArr[i].value);
auto it = nvPairs.find(key);
if (it == nvPairs.end()) {
FAIL("Can't find name/value key");
}
REQUIRE(it->first == key);
REQUIRE(it->second == val);
nvPairs.erase(it);
}
REQUIRE(nvPairs.empty());
}
TEST_CASE("name_value_collection insert", "[collections]")
{
name_value_collection nvc;
std::map<string, string> nvPairs { NV_PAIRS };
for (const auto& nv : nvPairs) {
nvc.insert(nv);
}
const size_t SZ = nvPairs.size();
REQUIRE_FALSE(nvc.empty());
REQUIRE(SZ == nvc.size());
auto cArr = nvc.c_arr();
for (size_t i=0; i<SZ; ++i) {
auto key = string(cArr[i].name);
auto val = string(cArr[i].value);
auto it = nvPairs.find(key);
if (it == nvPairs.end()) {
FAIL("Can't find name/value key");
}
REQUIRE(it->first == key);
REQUIRE(it->second == val);
nvPairs.erase(it);
}
REQUIRE(nvPairs.empty());
}