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author | Bent Bisballe Nyeng <deva@aasimon.org> | 2025-02-01 16:24:07 +0100 |
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committer | Bent Bisballe Nyeng <deva@aasimon.org> | 2025-02-01 16:24:07 +0100 |
commit | 69d66ac41ab66a5a5da007ccfacc1d5a9d45d819 (patch) | |
tree | a6f06af7cbe3acca9dea8bfb38d17705cd158d58 /test/pointerlist_test.cc | |
parent | 1334ca42c672320cd7113cbcbc253cd93bf158b8 (diff) |
Add PointerList and EnvMap classes for working with, and propagating, argc/argv and env strings
Diffstat (limited to 'test/pointerlist_test.cc')
-rw-r--r-- | test/pointerlist_test.cc | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/test/pointerlist_test.cc b/test/pointerlist_test.cc new file mode 100644 index 0000000..4274473 --- /dev/null +++ b/test/pointerlist_test.cc @@ -0,0 +1,320 @@ +// -*- c++ -*- +// Distributed under the BSD 2-Clause License. +// See accompanying file LICENSE for details. +#include <uunit.h> + +#include <set> +#include <algorithm> + +#include "pointerlist.h" + +class PointerListTest + : public uUnit +{ +public: + PointerListTest() + { + uTEST(PointerListTest::test_zom_pointerlist_push); + uTEST(PointerListTest::test_zom_pointerlist_from_args); + uTEST(PointerListTest::test_zom_envmap_insert); + uTEST(PointerListTest::test_zom_envmap_from_env); + uTEST(PointerListTest::test_exceptional_env); + } + + void test_zom_pointerlist_push() + { + using namespace std::string_literals; + + { // Zero + PointerList args; + uASSERT_EQUAL(0u, args.size()); + auto [argc, argv] = args.get(); + uASSERT_EQUAL(0, argc); + uASSERT(nullptr != argv); + uASSERT_EQUAL(nullptr, argv[0]); + } + + { // One + PointerList args; + args.push_back("hello"); + uASSERT_EQUAL(1u, args.size()); + auto [argc, argv] = args.get(); + uASSERT_EQUAL(1, argc); + uASSERT_EQUAL("hello"s, std::string(argv[0])); + } + + { // Many + PointerList args; + args.push_back("hello"); + args.push_back("dear"); + args.push_back("world"); + uASSERT_EQUAL(3u, args.size()); + auto [argc, argv] = args.get(); + uASSERT_EQUAL(3, argc); + uASSERT_EQUAL("hello"s, std::string(argv[0])); + uASSERT_EQUAL("dear"s, std::string(argv[1])); + uASSERT_EQUAL("world"s, std::string(argv[2])); + } + } + + void test_zom_pointerlist_from_args() + { + using namespace std::string_literals; + + { // Zero + PointerList args(0, nullptr); + uASSERT_EQUAL(0u, args.size()); + auto [argc, argv] = args.get(); + uASSERT_EQUAL(0, argc); + uASSERT(nullptr != argv); + uASSERT_EQUAL(nullptr, argv[0]); + } + + { // One + int _argc{1}; + const char* _argv[] = { "hello" }; + PointerList args(_argc, _argv); + uASSERT_EQUAL(1u, args.size()); + auto [argc, argv] = args.get(); + uASSERT_EQUAL(1, argc); + uASSERT_EQUAL("hello"s, std::string(argv[0])); + } + + { // Many + int _argc{3}; + const char* _argv[] = { "hello", "dear", "world" }; + PointerList args(_argc, _argv); + uASSERT_EQUAL(3u, args.size()); + auto [argc, argv] = args.get(); + uASSERT_EQUAL(3, argc); + // order must be preserved + uASSERT_EQUAL("hello"s, std::string(argv[0])); + uASSERT_EQUAL("dear"s, std::string(argv[1])); + uASSERT_EQUAL("world"s, std::string(argv[2])); + } + } + + void test_zom_envmap_insert() + { + using namespace std::string_literals; + + { // Zero + EnvMap env; + uASSERT_EQUAL(0u, env.size()); + + auto [argc, argv] = env.get(); + uASSERT_EQUAL(0, argc); + uASSERT(nullptr != argv); + uASSERT_EQUAL(nullptr, argv[0]); + + auto str = env.stringify(); + uASSERT_EQUAL(1u, str.size()); + uASSERT_EQUAL('\0', str[0]); + } + + { // One (key only) + EnvMap env; + env.insert("hello"); + uASSERT_EQUAL(1u, env.size()); + auto [argc, argv] = env.get(); + uASSERT_EQUAL(1, argc); + uASSERT_EQUAL("hello="s, std::string(argv[0])); + uASSERT_EQUAL(""s, env["hello"]); + } + { // One (with value) + EnvMap env; + env.insert("hello=world"); + uASSERT_EQUAL(1u, env.size()); + auto [argc, argv] = env.get(); + uASSERT_EQUAL(1, argc); + uASSERT_EQUAL("hello=world"s, std::string(argv[0])); + uASSERT_EQUAL("world"s, env["hello"]); + + uASSERT_EQUAL("hello=world\0\0"s, env.stringify()); + } + + { // Overwrite one + EnvMap env; + env.insert("hello=world"); + uASSERT_EQUAL(1u, env.size()); + uASSERT_EQUAL("world"s, env["hello"s]); + + env.insert("hello=foo"); + uASSERT_EQUAL(1u, env.size()); + uASSERT_EQUAL("foo"s, env["hello"s]); + } + + { // Many + EnvMap env; + env.insert("hello=world"); + env.insert("world=leader"); + env.insert("dear=boar"); + uASSERT_EQUAL(3u, env.size()); + + uASSERT_EQUAL("boar"s, env["dear"s]); + uASSERT_EQUAL("world"s, env["hello"s]); + uASSERT_EQUAL("leader"s, env["world"s]); + + auto [argc, argv] = env.get(); + uASSERT_EQUAL(3, argc); + // store and sort to verify unordered + std::vector<std::string> vals{argv[0], argv[1], argv[2]}; + std::ranges::sort(vals); + uASSERT_EQUAL("dear=boar"s, vals[0]); + uASSERT_EQUAL("hello=world"s, vals[1]); + uASSERT_EQUAL("world=leader"s, vals[2]); + + // test all combinations since ordering is not a requirement + // exactly one of the must be true (boolean XOR) + auto str = env.stringify(); + uASSERT(((((("dear=boar\0hello=world\0world=leader\0\0"s == str) != + ("dear=boar\0world=leader\0hello=world\0\0"s == str)) != + ("hello=world\0dear=boar\0world=leader\0\0"s == str)) != + ("hello=world\0world=leader\0dear=boar\0\0"s == str)) != + ("world=leader\0dear=boar\0hello=world\0\0"s == str)) != + ("world=leader\0hello=world\0dear=boar\0\0"s == str)); + } + } + + void test_zom_envmap_from_env() + { + using namespace std::string_literals; + + { // Zero + const char* penv = nullptr; + EnvMap env(penv); + uASSERT_EQUAL(0u, env.size()); + auto [argc, argv] = env.get(); + uASSERT_EQUAL(0, argc); + uASSERT(nullptr != argv); + uASSERT_EQUAL(nullptr, argv[0]); + } + + { // Zero + const char** ppenv = nullptr; + EnvMap env(ppenv); + uASSERT_EQUAL(0u, env.size()); + auto [argc, argv] = env.get(); + uASSERT_EQUAL(0, argc); + uASSERT(nullptr != argv); + uASSERT_EQUAL(nullptr, argv[0]); + } + + { // One (key only) + const char* ptr = "hello\0\0"; + EnvMap env(ptr); + uASSERT_EQUAL(1u, env.size()); + auto [argc, argv] = env.get(); + uASSERT_EQUAL(1, argc); + uASSERT_EQUAL("hello="s, std::string(argv[0])); + uASSERT_EQUAL(""s, env["hello"]); + } + + { // One (key only) + const char* ptr[] = {"hello", nullptr}; + EnvMap env(ptr); + uASSERT_EQUAL(1u, env.size()); + auto [argc, argv] = env.get(); + uASSERT_EQUAL(1, argc); + uASSERT_EQUAL("hello="s, std::string(argv[0])); + uASSERT_EQUAL(""s, env["hello"]); + } + + { // One (with value) + const char* ptr = "hello=world\0\0"; + EnvMap env(ptr); + uASSERT_EQUAL(1u, env.size()); + auto [argc, argv] = env.get(); + uASSERT_EQUAL(1, argc); + uASSERT_EQUAL("hello=world"s, std::string(argv[0])); + uASSERT_EQUAL("world"s, env["hello"]); + + uASSERT_EQUAL("hello=world\0\0"s, env.stringify()); + } + + { // One (with value) + const char* ptr[] = {"hello=world\0", nullptr}; + EnvMap env(ptr); + uASSERT_EQUAL(1u, env.size()); + auto [argc, argv] = env.get(); + uASSERT_EQUAL(1, argc); + uASSERT_EQUAL("hello=world"s, std::string(argv[0])); + uASSERT_EQUAL("world"s, env["hello"]); + + uASSERT_EQUAL("hello=world\0\0"s, env.stringify()); + } + + { // Many + const char* ptr = "hello=world\0world=leader\0dear=boar\0\0"; + EnvMap env(ptr); + uASSERT_EQUAL(3u, env.size()); + + uASSERT_EQUAL("boar"s, env["dear"s]); + uASSERT_EQUAL("world"s, env["hello"s]); + uASSERT_EQUAL("leader"s, env["world"s]); + + auto [argc, argv] = env.get(); + uASSERT_EQUAL(3, argc); + // store and sort to verify unordered + std::vector<std::string> vals{argv[0], argv[1], argv[2]}; + std::ranges::sort(vals); + uASSERT_EQUAL("dear=boar"s, vals[0]); + uASSERT_EQUAL("hello=world"s, vals[1]); + uASSERT_EQUAL("world=leader"s, vals[2]); + + // test all combinations since ordering is not a requirement + // exactly one of the must be true (boolean XOR) + auto str = env.stringify(); + uASSERT(((((("dear=boar\0hello=world\0world=leader\0\0"s == str) != + ("dear=boar\0world=leader\0hello=world\0\0"s == str)) != + ("hello=world\0dear=boar\0world=leader\0\0"s == str)) != + ("hello=world\0world=leader\0dear=boar\0\0"s == str)) != + ("world=leader\0dear=boar\0hello=world\0\0"s == str)) != + ("world=leader\0hello=world\0dear=boar\0\0"s == str)); + } + + { // Many + const char* ptr[] = + {"hello=world\0", "world=leader\0", "dear=boar\0", nullptr}; + EnvMap env(ptr); + uASSERT_EQUAL(3u, env.size()); + + uASSERT_EQUAL("boar"s, env["dear"s]); + uASSERT_EQUAL("world"s, env["hello"s]); + uASSERT_EQUAL("leader"s, env["world"s]); + + auto [argc, argv] = env.get(); + uASSERT_EQUAL(3, argc); + // store and sort to verify unordered + std::vector<std::string> vals{argv[0], argv[1], argv[2]}; + std::ranges::sort(vals); + uASSERT_EQUAL("dear=boar"s, vals[0]); + uASSERT_EQUAL("hello=world"s, vals[1]); + uASSERT_EQUAL("world=leader"s, vals[2]); + + // test all combinations since ordering is not a requirement + // exactly one of the must be true (boolean XOR) + auto str = env.stringify(); + uASSERT(((((("dear=boar\0hello=world\0world=leader\0\0"s == str) != + ("dear=boar\0world=leader\0hello=world\0\0"s == str)) != + ("hello=world\0dear=boar\0world=leader\0\0"s == str)) != + ("hello=world\0world=leader\0dear=boar\0\0"s == str)) != + ("world=leader\0dear=boar\0hello=world\0\0"s == str)) != + ("world=leader\0hello=world\0dear=boar\0\0"s == str)); + } + } + + void test_exceptional_env() + { + using namespace std::string_literals; + + { // Zero + EnvMap env; + uASSERT_EQUAL(0u, env.size()); + uASSERT_EQUAL(""s, env["foo"]); // lookup of non-existing key + } + } +}; + +// Registers the fixture into the 'registry' +static PointerListTest test; |