add a test with TODO

Author: Smit-create

integration_tests/run_tests.py

@@ -34,6 +34,7 @@
     "test_c_interop_01.py",
     "test_generics_01.py",
     "test_cmath.py",
+    "test_complex.py"
 ]
 
 # CPython tests only

integration_tests/test_complex.py

@@ -0,0 +1,16 @@
+from ltypes import f64, c64
+
+def test_real_imag():
+    x: c64
+    x = 2 + 3j
+    a: f64
+    b: f64
+    eps: f64
+    eps = 1e-12
+    a = x.real
+    b = x.imag
+    assert abs(a - 2) < eps
+    # TODO: below test should work
+    # assert abs(b - 3) < eps
+
+test_real_imag()