diff --git a/src/chaturbate_poller/__main__.py b/src/chaturbate_poller/__main__.py
index 1e197180..f9370e29 100644
--- a/src/chaturbate_poller/__main__.py
+++ b/src/chaturbate_poller/__main__.py
@@ -20,7 +20,7 @@
 load_dotenv()
 
 
-def parse_arguments() -> argparse.Namespace:
+def parse_arguments() -> argparse.Namespace:  # pragma: no cover
     """Parse command-line arguments."""
     parser = argparse.ArgumentParser(description="Poll events from Chaturbate.")
     parser.add_argument("--version", action="version", version=f"chaturbate_poller {__version__}")
@@ -67,7 +67,7 @@ async def start_polling(
             url = str(response.next_url)
 
 
-def main() -> None:
+def main() -> None:  # pragma: no cover
     """Run the main function within an asyncio event loop."""
     args = parse_arguments()
     with suppress(KeyboardInterrupt):
@@ -78,5 +78,5 @@ def main() -> None:
         )
 
 
-if __name__ == "__main__":
+if __name__ == "__main__":  # pragma: no cover
     main()
diff --git a/tests/test___main__.py b/tests/test___main__.py
new file mode 100644
index 00000000..1a258f31
--- /dev/null
+++ b/tests/test___main__.py
@@ -0,0 +1,18 @@
+# ruff: noqa: S101
+"""Tests for the __main__ module."""
+
+import asyncio
+from contextlib import suppress
+
+import pytest
+
+from chaturbate_poller.__main__ import start_polling
+
+
+def test_start_polling() -> None:
+    """Test the start_polling function."""
+    with (
+        suppress(KeyboardInterrupt),
+        pytest.raises(ValueError, match="Unauthorized access. Verify the username and token."),
+    ):
+        asyncio.run(start_polling("username", "token", 10, testbed=False, verbose=False))
diff --git a/tests/test_chaturbate_poller.py b/tests/test_chaturbate_poller.py
index f8b2c950..8b79b576 100644
--- a/tests/test_chaturbate_poller.py
+++ b/tests/test_chaturbate_poller.py
@@ -198,9 +198,30 @@ def test_backoff_handler(self, caplog) -> None:  # noqa: ANN001
     def test_giveup_handler(self, caplog) -> None:  # noqa: ANN001
         """Test the giveup handler."""
         caplog.set_level(logging.ERROR)
-        # Providing required key "tries" in the details dict
-        giveup_handler({"tries": 1, "target": lambda x: x, "args": (), "kwargs": {}, "elapsed": 0})
-        assert "Giving up after 1 tries" in caplog.text
+        giveup_handler(
+            {  # type: ignore[typeddict-item]
+                "tries": 6,
+                "exception": HTTPStatusError(
+                    message="Server Error",
+                    request=Request("GET", "https://error.url.com"),
+                    response=Response(500, json={"status": "Unknown error"}),
+                ),
+            }
+        )
+        assert "Giving up after 6 tries due to server error code 500: Unknown error" in caplog.text
+
+    def test_giveup_handler_no_exception(self, caplog) -> None:  # noqa: ANN001
+        """Test the giveup handler with no exception."""
+        caplog.set_level(logging.ERROR)
+        giveup_handler(
+            {  # type: ignore[typeddict-item]
+                "tries": 6,
+            }
+        )
+        assert (
+            "Giving up after 6 tries due to server error code None: No response available"
+            in caplog.text
+        )
 
 
 class TestConstants:
@@ -271,6 +292,14 @@ async def test_initialization_with_invalid_timeout(self) -> None:
             async with ChaturbateClient(USERNAME, TOKEN, timeout=invalid_timeout):  # type: ignore[arg-type]
                 pass
 
+    @pytest.mark.asyncio()
+    async def test_initialization_with_negative_timeout(self) -> None:
+        """Test ChaturbateClient initialization with negative timeout."""
+        negative_timeout = -1
+        with pytest.raises(ValueError, match="Timeout must be a positive integer."):
+            async with ChaturbateClient(USERNAME, TOKEN, timeout=negative_timeout):
+                pass
+
     @pytest.mark.asyncio()
     async def test_initialization_with_missing_env_variables(self) -> None:
         """Test ChaturbateClient initialization with missing environment variables."""