test (trunc_int_quant): Added initial sanity-check test

tests/brevitas/core/test_trunc_int_quant.py

@@ -0,0 +1,22 @@
+# Copyright (C) 2023, Advanced Micro Devices, Inc. All rights reserved.
+# SPDX-License-Identifier: BSD-3-Clause
+
+from hypothesis import given
+import mock
+import torch
+
+from brevitas.core.function_wrapper import RoundSte
+from brevitas.core.function_wrapper import TensorClamp
+from brevitas.core.quant import TruncIntQuant
+from tests.brevitas.core.bit_width_fixture import *  # noqa
+from tests.brevitas.core.int_quant_fixture import *  # noqa
+
+
+class TestTruncIntQuantUnit:
+
+    def test_trunc_int_quant_defaults(self, bit_width_const):
+        trunc_int_quant = TruncIntQuant(
+            bit_width_impl=bit_width_const, float_to_int_impl=RoundSte())
+        assert isinstance(trunc_int_quant.tensor_clamp_impl, TensorClamp)
+        assert trunc_int_quant.narrow_range == False
+        assert trunc_int_quant.signed == True