Unit tests for USMNdArray creation. Remove test_usm_ndarray_type_exce…

…ptions

numba_dpex/tests/core/types/USMNdAArray/test_usm_ndarray_creation.py

@@ -0,0 +1,79 @@
+import dpctl
+import pytest
+
+from numba_dpex.core.types import USMNdArray
+
+"""Negative tests for expected exceptions raised during USMNdArray creation.
+
+"""
+
+
+def test_default_type_construction():
+    """Tests call USMNdArray constructor with no device or queue args."""
+    usma = USMNdArray(1, queue=None)
+
+    assert usma.ndim == 1
+    assert usma.layout == "C"
+    assert usma.addrspace == 1
+    assert usma.usm_type == "device"
+
+    default_device = dpctl.SyclDevice()
+    cached_queue = dpctl.get_device_cached_queue(default_device)
+
+    assert usma.device == default_device.filter_string
+    assert usma.queue == cached_queue
+
+
+def test_type_creation_with_device():
+    """Tests creating a USMNdArray with a device arg and no queue"""
+
+    default_device_str = dpctl.SyclDevice().filter_string
+
+    usma = USMNdArray(1, device=default_device_str, queue=None)
+
+    assert usma.ndim == 1
+    assert usma.layout == "C"
+    assert usma.addrspace == 1
+    assert usma.usm_type == "device"
+
+    assert usma.device == default_device_str
+
+    cached_queue = dpctl.get_device_cached_queue(default_device_str)
+
+    assert usma.queue == cached_queue
+
+
+def test_type_creation_with_queue():
+    """Tests creating a USMNdArray with a queue arg and no device"""
+    queue = dpctl.SyclQueue()
+    usma = USMNdArray(1, queue=queue)
+
+    assert usma.ndim == 1
+    assert usma.layout == "C"
+    assert usma.addrspace == 1
+    assert usma.usm_type == "device"
+
+    assert usma.device == queue.sycl_device.filter_string
+    assert usma.queue == queue
+
+
+def test_exception_when_both_device_and_queue_arg_specified():
+    """Tests if TypeError is raised when both queue and device specified"""
+
+    queue = dpctl.SyclQueue()
+    with pytest.raises(TypeError):
+        USMNdArray(1, device="cpu", queue=queue)
+
+
+def test_improper_queue_type():
+    """Tests if TypeError is raised if queue argument is of invalid type"""
+
+    with pytest.raises(TypeError):
+        USMNdArray(1, queue="cpu")
+
+
+def test_improper_device_type():
+    """Tests if TypeError is raised if device argument is of invalid type"""
+
+    with pytest.raises(TypeError):
+        USMNdArray(1, device=0)