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-rw-r--r--libs/kstd/tests/src/string.cpp445
1 files changed, 0 insertions, 445 deletions
diff --git a/libs/kstd/tests/src/string.cpp b/libs/kstd/tests/src/string.cpp
deleted file mode 100644
index 53d7c9a..0000000
--- a/libs/kstd/tests/src/string.cpp
+++ /dev/null
@@ -1,445 +0,0 @@
-#include <kstd/string>
-
-#include <catch2/catch_test_macros.hpp>
-
-#include <algorithm>
-#include <cstring>
-#include <string_view>
-
-SCENARIO("String initialization and construction", "[string]")
-{
- GIVEN("Nothing")
- {
- WHEN("constructing an empty string")
- {
- auto str = kstd::string{};
-
- THEN("the size is zero and therefore the string is empty")
- {
- REQUIRE(str.empty());
- REQUIRE(str.size() == 0);
- }
-
- THEN("the string is empty")
- {
- REQUIRE(str.view() == std::string_view{});
- }
- }
- }
-
- GIVEN("A string view")
- {
- auto view = std::string_view{"Blub Blub"};
-
- WHEN("constructing a string from string_view")
- {
- auto str = kstd::string{view};
-
- THEN("the string is not empty and has the same size as the view")
- {
- REQUIRE(!str.empty());
- REQUIRE(str.size() == view.size());
- }
-
- THEN("the string contains the same characters as the view")
- {
- REQUIRE(str.view() == view);
- }
- }
- }
-
- GIVEN("A C-style string")
- {
- auto c_str = "Blub Blub";
-
- WHEN("constructing a string from the C-style string")
- {
- auto str = kstd::string{c_str};
-
- THEN("the string is not empty and has the same size as the C-style string")
- {
- REQUIRE(!str.empty());
- REQUIRE(str.size() == std::strlen(c_str));
- }
-
- THEN("the string contains the same characters as the C-style string")
- {
- REQUIRE(str.view() == c_str);
- }
- }
- }
-
- GIVEN("A character")
- {
- auto ch = 'x';
-
- WHEN("constructing a string from the character")
- {
- auto str = kstd::string{ch};
-
- THEN("the string is not empty and has size 1")
- {
- REQUIRE(!str.empty());
- REQUIRE(str.size() == 1);
- }
-
- THEN("the string contains the same character as the given character")
- {
- REQUIRE(str.view() == std::string_view{&ch, 1});
- }
- }
- }
-
- GIVEN("Another string")
- {
- auto other = kstd::string{"Blub Blub"};
-
- WHEN("copy constructing a new string")
- {
- auto str = kstd::string{other};
-
- THEN("the new string contains the same characters as the original")
- {
- REQUIRE(str.view() == other.view());
- }
- }
-
- auto str = kstd::string{"Blub"};
-
- WHEN("copy assigning another string")
- {
- auto other = kstd::string{"Blub Blub"};
- str = other;
-
- THEN("the string contains the same characters as the assigned string")
- {
- REQUIRE(str.view() == other.view());
- }
- }
- }
-
- GIVEN("A string")
- {
- auto str = kstd::string{"Hello"};
-
- WHEN("copy assigning a string view")
- {
- auto view = std::string_view{"Hello, world!"};
- str = view;
-
- THEN("the string contains the same characters as the assigned view")
- {
- REQUIRE(str.view() == view);
- }
- }
- }
-
- GIVEN("A string")
- {
- auto str = kstd::string{"Hello"};
-
- WHEN("copy assigning a C-style string")
- {
- auto c_str = "Hello, world!";
- str = c_str;
-
- THEN("the string contains the same characters as the assigned C-style string")
- {
- REQUIRE(str.view() == c_str);
- }
- }
- }
-}
-
-SCENARIO("String concatenation", "[string]")
-{
- GIVEN("Two strings")
- {
- auto str1 = kstd::string{"Blub"};
- auto str2 = kstd::string{" Blub"};
-
- WHEN("appending the second string to the first string")
- {
- str1.append(str2);
-
- THEN("the first string contains the characters of both strings concatenated")
- {
- REQUIRE(str1.view() == "Blub Blub");
- }
-
- THEN("the size of the first string is the sum of the sizes of both strings")
- {
- REQUIRE(str1.size() == str2.size() + 4);
- }
- }
-
- WHEN("using operator+= to append the second string to the first string")
- {
- str1 += str2;
-
- THEN("the first string contains the characters of both strings concatenated")
- {
- REQUIRE(str1.view() == "Blub Blub");
- }
-
- THEN("the size of the first string is the sum of the sizes of both strings")
- {
- REQUIRE(str1.size() == str2.size() + 4);
- }
- }
-
- WHEN("using operator+ to concatenate the two strings into a new string")
- {
- auto str3 = str1 + str2;
-
- THEN("the new string contains the characters of both strings concatenated")
- {
- REQUIRE(str3.view() == "Blub Blub");
- }
-
- THEN("the size of the new string is the sum of the sizes of both strings")
- {
- REQUIRE(str3.size() == str1.size() + str2.size());
- }
- }
- }
-
- GIVEN("A string and a string view")
- {
- auto str = kstd::string{"Blub"};
- auto view = std::string_view{" Blub"};
-
- WHEN("appending the string view to the string")
- {
- str.append(view);
-
- THEN("the string contains the characters of both the original string and the appended view concatenated")
- {
- REQUIRE(str.view() == "Blub Blub");
- }
-
- THEN("the size of the string is the sum of the sizes of the original string and the appended view")
- {
- REQUIRE(str.size() == view.size() + 4);
- }
- }
- }
-
- GIVEN("A string and a character")
- {
- auto str = kstd::string{"Blub"};
- auto ch = '!';
-
- WHEN("appending the character to the string")
- {
- str.push_back(ch);
-
- THEN("the string contains the original characters followed by the appended character")
- {
- REQUIRE(str.view() == "Blub!");
- }
-
- THEN("the size of the string is one more than the original size")
- {
- REQUIRE(str.size() == 5);
- }
- }
-
- WHEN("using operator+= to append the character to the string")
- {
- str += ch;
-
- THEN("the string contains the original characters followed by the appended character")
- {
- REQUIRE(str.view() == "Blub!");
- }
-
- THEN("the size of the string is one more than the original size")
- {
- REQUIRE(str.size() == 5);
- }
- }
- }
-}
-
-SCENARIO("String conversion and comparison", "[string]")
-{
- GIVEN("An unsigned integer")
- {
- constexpr auto value1 = 12345u;
- constexpr auto value2 = 0u;
-
- WHEN("converting the unsigned integer to a string")
- {
- auto str1 = kstd::to_string(value1);
- auto str2 = kstd::to_string(value2);
-
- THEN("the string contains the decimal representation of the unsigned integer")
- {
- REQUIRE(str1.view() == "12345");
- REQUIRE(str2.view() == "0");
- }
- }
- }
-
- GIVEN("Two strings with the same characters")
- {
- auto str1 = kstd::string{"Blub Blub"};
- auto str2 = kstd::string{"Blub Blub"};
-
- THEN("the strings are equal")
- {
- REQUIRE(str1 == str2);
- }
-
- THEN("the strings are not unequal")
- {
- REQUIRE(!(str1 != str2));
- }
- }
-
- GIVEN("A string and a string view with the same characters")
- {
- auto str = kstd::string{"Blub Blub"};
- auto view = std::string_view{"Blub Blub"};
-
- THEN("the string and the string view are equal")
- {
- REQUIRE(str == view);
- REQUIRE(view == str);
- }
-
- THEN("the string and the string view are not unequal")
- {
- REQUIRE(!(str != view));
- REQUIRE(!(view != str));
- }
- }
-}
-
-SCENARIO("String clearing", "[string]")
-{
- GIVEN("A non-empty string")
- {
- auto str = kstd::string{"Blub Blub"};
-
- WHEN("clearing the string")
- {
- str.clear();
-
- THEN("the string is empty and has size zero")
- {
- REQUIRE(str.empty());
- REQUIRE(str.size() == 0);
- }
-
- THEN("the string contains no characters")
- {
- REQUIRE(str.view() == std::string_view{});
- }
- }
- }
-}
-
-SCENARIO("String iteration", "[string]")
-{
- GIVEN("A string")
- {
- auto str = kstd::string{"Blub"};
-
- WHEN("iterating over the characters of the string as string_view using a range-based for loop")
- {
- kstd::string result;
-
- for (auto ch : str.view())
- {
- result.push_back(ch);
- }
-
- THEN("the iterated characters are the same as the characters in the string")
- {
- REQUIRE(result == str);
- }
- }
-
- WHEN("using std::ranges::for_each to iterate over the characters of the string")
- {
- kstd::string result;
-
- std::ranges::for_each(str, [&result](auto ch) { result.push_back(ch); });
-
- THEN("the iterated characters are the same as the characters in the string")
- {
- REQUIRE(result == str);
- }
- }
-
- WHEN("using front and back to access the first and last characters of the string")
- {
- THEN("front returns the first character of the string")
- {
- REQUIRE(str.front() == 'B');
- }
-
- THEN("back returns the last character of the string")
- {
- REQUIRE(str.back() == 'b');
- }
- }
- }
-
- GIVEN("A const string")
- {
- auto const str = kstd::string{"Blub"};
-
- WHEN("iterating over the characters of the string as string_view using a range-based for loop")
- {
- kstd::string result;
-
- for (auto ch : str.view())
- {
- result.push_back(ch);
- }
-
- THEN("the iterated characters are the same as the characters in the string")
- {
- REQUIRE(result == str.view());
- }
- }
-
- WHEN("using front and back to access the first and last characters of the string")
- {
- THEN("front returns the first character of the string")
- {
- REQUIRE(str.front() == 'B');
- }
-
- THEN("back returns the last character of the string")
- {
- REQUIRE(str.back() == 'b');
- }
- }
- }
-
- GIVEN("An empty string")
- {
- auto str = kstd::string{};
-
- WHEN("iterating over the characters of an empty string")
- {
- kstd::string result;
-
- for (auto ch : str.view())
- {
- result.push_back(ch);
- }
-
- THEN("no characters are iterated and the result is an empty string")
- {
- REQUIRE(result.empty());
- REQUIRE(result.size() == 0);
- REQUIRE(result.view() == std::string_view{});
- }
- }
- }
-}
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