add some more tests

1 files changed, 55 insertions, 0 deletions

diff --git a/libs/kstd/tests/src/string.cpp b/libs/kstd/tests/src/string.cpp
index f7f629d..43e9a6b 100644
--- a/libs/kstd/tests/src/string.cpp
+++ b/libs/kstd/tests/src/string.cpp
@@ -387,4 +387,59 @@ SCENARIO("String iteration", "[string]")
       }
     }
   }
+
+  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{});
+      }
+    }
+  }
 }