File indexing completed on 2025-04-04 01:26:38
0001 #include "catch.hpp"
0002 #include "FWCore/Utilities/interface/OftenEmptyCString.h"
0003 #include <cstring>
0004
0005 TEST_CASE("test edm::OftenEmptyCString", "[OftenEmptyCString]") {
0006 SECTION("Constructors") {
0007 SECTION("default") {
0008 edm::OftenEmptyCString s;
0009 REQUIRE(s.c_str() != nullptr);
0010 REQUIRE(s.c_str()[0] == '\0');
0011 }
0012 SECTION("from const *") {
0013 SECTION("nullptr") {
0014 edm::OftenEmptyCString s(nullptr);
0015 REQUIRE(s.c_str() != nullptr);
0016 REQUIRE(s.c_str()[0] == '\0');
0017 }
0018 SECTION("empty") {
0019 const char* kEmpty = "";
0020 edm::OftenEmptyCString s(kEmpty);
0021 REQUIRE(s.c_str() != nullptr);
0022 REQUIRE(s.c_str() != kEmpty);
0023 REQUIRE(s.c_str()[0] == '\0');
0024 }
0025 SECTION("non empty string") {
0026 const char* kValue = "something";
0027 edm::OftenEmptyCString s(kValue);
0028 REQUIRE(s.c_str() != nullptr);
0029 REQUIRE(s.c_str() != kValue);
0030 REQUIRE(strncmp(kValue, s.c_str(), 9) == 0);
0031 REQUIRE(strlen(kValue) == strlen(s.c_str()));
0032 }
0033 }
0034 SECTION("Copy") {
0035 SECTION("from non empty") {
0036 edm::OftenEmptyCString s("something");
0037 edm::OftenEmptyCString copy(s);
0038 REQUIRE(s.c_str() != copy.c_str());
0039 REQUIRE(strcmp(s.c_str(), copy.c_str()) == 0);
0040 }
0041 SECTION("from default") {
0042 edm::OftenEmptyCString s;
0043 edm::OftenEmptyCString copy(s);
0044 REQUIRE(s.c_str() == copy.c_str());
0045 REQUIRE(s.c_str() != nullptr);
0046 REQUIRE(strlen(s.c_str()) == 0);
0047 }
0048 }
0049 SECTION("Move") {
0050 SECTION("from non empty") {
0051 edm::OftenEmptyCString s("something");
0052 edm::OftenEmptyCString copy(std::move(s));
0053 REQUIRE(s.c_str() != copy.c_str());
0054 REQUIRE(s.c_str() == nullptr);
0055 REQUIRE(strcmp("something", copy.c_str()) == 0);
0056 }
0057 SECTION("from default") {
0058 edm::OftenEmptyCString s;
0059 edm::OftenEmptyCString copy(std::move(s));
0060 REQUIRE(s.c_str() == nullptr);
0061 REQUIRE(copy.c_str() == edm::OftenEmptyCString().c_str());
0062 }
0063 }
0064 }
0065 SECTION("operator=") {
0066 SECTION("copy version") {
0067 SECTION("from non empty to non empty") {
0068 edm::OftenEmptyCString s("something");
0069 edm::OftenEmptyCString copy("else");
0070 copy = s;
0071 REQUIRE(s.c_str() != copy.c_str());
0072 REQUIRE(strcmp("something", copy.c_str()) == 0);
0073 REQUIRE(strcmp(s.c_str(), copy.c_str()) == 0);
0074 }
0075 SECTION("from default to non empty") {
0076 edm::OftenEmptyCString s;
0077 edm::OftenEmptyCString copy("original");
0078 copy = s;
0079 REQUIRE(strcmp(s.c_str(), copy.c_str()) == 0);
0080 }
0081 SECTION("from non empty to empty") {
0082 edm::OftenEmptyCString s("something");
0083 edm::OftenEmptyCString copy;
0084 copy = s;
0085 REQUIRE(s.c_str() != copy.c_str());
0086 REQUIRE(strcmp("something", copy.c_str()) == 0);
0087 REQUIRE(strcmp(s.c_str(), copy.c_str()) == 0);
0088 }
0089 }
0090 SECTION("move version") {
0091 SECTION("from non empty to non empty") {
0092 edm::OftenEmptyCString s("something");
0093 edm::OftenEmptyCString copy("else");
0094 copy = std::move(s);
0095 REQUIRE(s.c_str() != copy.c_str());
0096 REQUIRE(s.c_str() == nullptr);
0097 REQUIRE(strcmp("something", copy.c_str()) == 0);
0098 }
0099 SECTION("from default to non empty") {
0100 edm::OftenEmptyCString s;
0101 edm::OftenEmptyCString copy("original");
0102 copy = std::move(s);
0103 REQUIRE(copy.c_str() != nullptr);
0104 REQUIRE(copy.c_str()[0] == '\0');
0105 REQUIRE(s.c_str() == nullptr);
0106 }
0107 SECTION("from non empty to empty") {
0108 edm::OftenEmptyCString s("something");
0109 edm::OftenEmptyCString copy;
0110 copy = std::move(s);
0111 REQUIRE(s.c_str() != copy.c_str());
0112 REQUIRE(s.c_str() == nullptr);
0113 REQUIRE(strcmp("something", copy.c_str()) == 0);
0114 }
0115 }
0116 }
0117 }
