1 files changed, 49 insertions, 0 deletions
diff --git a/testsuite/pyunit/dom/Literals.py b/testsuite/pyunit/dom/Literals.py
new file mode 100644
index 000000000..7eb80abaa
--- /dev/null
+++ b/testsuite/pyunit/dom/Literals.py
@@ -0,0 +1,49 @@
+from pathlib  import Path
+from textwrap import dedent
+from unittest import TestCase
+
+from pyGHDL.dom.Misc       import Design, Document
+from pyGHDL.dom.Object import Constant
+from pyGHDL.dom.Literal import IntegerLiteral
+
+
+if __name__ == "__main__":
+    print("ERROR: you called a testcase declaration file as an executable module.")
+    print("Use: 'python -m unitest <testcase module>'")
+    exit(1)
+
+
+class Literals(TestCase):
+    _root = Path(__file__).resolve().parent.parent
+
+    def test_IntegerLiteral(self):
+        self._filename: Path = self._root / "{className}.vhdl".format(className=self.__class__.__name__)
+
+        sourceCode = dedent("""\
+            package package_1 is
+              constant c0 : integer := 0;
+              constant c1 : integer := 1;
+              constant c2 : integer := 1024;
+              constant c3 : integer := 1048576;
+            end package;
+            """)
+        expected = (0, 1, 1024, 1048576)
+
+        with self._filename.open(mode="w", encoding="utf-8") as file:
+            file.write(sourceCode)
+
+        design = Design()
+        document = Document(self._filename)
+        design.Documents.append(document)
+
+        self.assertEqual(len(design.Documents[0].Packages), 1)
+        package = design.Documents[0].Packages[0]
+        self.assertTrue(package.Name == "package_1")
+        self.assertEqual(len(package.DeclaredItems), len(expected))
+        for i in range(len(expected)):
+            item: Constant = package.DeclaredItems[i]
+            self.assertTrue(isinstance(item, Constant))
+            self.assertTrue(item.Name == "c{}".format(i))
+            self.assertTrue(item.SubType.SymbolName == "integer")
+            self.assertTrue(isinstance(item.DefaultExpression, IntegerLiteral))
+            self.assertTrue(item.DefaultExpression.Value == expected[i])