string tests

1 files changed, 49 insertions, 35 deletions

diff --git a/libs/kstd/tests/src/string.cpp b/libs/kstd/tests/src/string.cpp
index 43e9a6b..a94f0f6 100644
--- a/libs/kstd/tests/src/string.cpp
+++ b/libs/kstd/tests/src/string.cpp
@@ -386,60 +386,74 @@ SCENARIO("String iteration", "[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")
+    GIVEN("A non-empty string")
     {
-      kstd::string result;
-
-      for (auto ch : str.view())
-      {
-        result.push_back(ch);
-      }
+      auto str = kstd::string{"Hello"};
 
-      THEN("the iterated characters are the same as the characters in the string")
+      WHEN("using const end()")
       {
-        REQUIRE(result == str.view());
+        auto it = str.end();  // calls const end()
+        THEN("it points past the last character")
+        {
+          REQUIRE(*std::prev(it) == 'o');
+          REQUIRE(std::distance(str.begin(), it) == str.size());
+        }
       }
     }
 
-    WHEN("using front and back to access the first and last characters of the string")
+    GIVEN("A const string")
     {
-      THEN("front returns the first character of the string")
+      auto const str = kstd::string{"Blub"};
+
+      WHEN("iterating over the characters of the string as string_view using a range-based for loop")
       {
-        REQUIRE(str.front() == 'B');
+        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());
+        }
       }
 
-      THEN("back returns the last character of the string")
+      WHEN("using front and back to access the first and last characters of the string")
       {
-        REQUIRE(str.back() == 'b');
+        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")
+    GIVEN("An empty string")
     {
-      kstd::string result;
+      auto str = kstd::string{};
 
-      for (auto ch : str.view())
+      WHEN("iterating over the characters of an empty string")
       {
-        result.push_back(ch);
-      }
+        kstd::string result;
 
-      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{});
+        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{});
+        }
       }
     }
   }
-}