Add tests

Author: Smit-create

integration_tests/CMakeLists.txt

@@ -571,6 +571,7 @@ RUN(NAME test_unary_op_04    LABELS cpython llvm c) # unary bitinvert
 RUN(NAME test_unary_op_05    LABELS cpython llvm c) # unsigned unary minus, plus
 RUN(NAME test_unary_op_06    LABELS cpython llvm c) # unsigned unary bitnot
 RUN(NAME test_unsigned_01    LABELS cpython llvm c) # unsigned bitshift left, right
+RUN(NAME test_unsigned_02    LABELS cpython llvm c)
 RUN(NAME test_bool_binop     LABELS cpython llvm c)
 RUN(NAME test_issue_518      LABELS cpython llvm c NOFAST)
 RUN(NAME structs_01          LABELS cpython llvm c)

integration_tests/test_unsigned_02.py

@@ -0,0 +1,10 @@
+from lpython import u16, i32
+
+# test issue 2170
+
+i : i32
+u : u16 = u16(32768)
+x : i32
+
+for i in range(i32(u)):
+    x = i * 2