Add tests

Author: Smit-create

integration_tests/CMakeLists.txt

@@ -574,6 +574,7 @@ 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_unsigned_03    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_03.py

@@ -0,0 +1,19 @@
+from lpython import u16, i32, u8, u16, u64, i64, u32, i8
+
+# test issue 2174
+
+def f():
+    u: u16 = u16(32768)
+    assert i32(u) == 32768
+    u1: u8 = u8(23)
+    assert i8(u1) == i8(23)
+    assert u16(u1) == u16(23)
+    assert u32(u1) == u32(23)
+    assert u64(u1) == u64(23)
+    print(i8(u1), u16(u1), u32(u1), u64(u1))
+    assert i64(u1) == i64(23)
+    assert i64(u) == i64(32768)
+    assert i32(u1) == 23
+    print(i64(u), i32(u))
+
+f()