def test_resize(self):
"""Tests the resize function."""
da = DoubleArray(0)
da.resize(20)
self.assertEqual(da.length, 20)
self.assertEqual(len(da.get_npy_array()), 20)
self.assertEqual(da.alloc >= da.length, True)
def test_reset(self):
"""Tests the reset function."""
da = DoubleArray(5)
da.shrink(2)
self.assertEqual(da.length, 2)
self.assertEqual(da.alloc, 5)
self.assertEqual(len(da.get_npy_array()), 2)
def test_get_npy_array(self):
"""Tests the get_npy_array array."""
da = DoubleArray(3)
da[0] = 1.0
da[1] = 2.0
da[2] = 3.0
nparray = da.get_npy_array()
self.assertEqual(len(nparray), 3)
for i in range(3):
self.assertEqual(nparray[i], da[i])
def test_copy_values(self):
"""Tests the copy values function."""
da1 = DoubleArray(5)
da2 = DoubleArray(5)
indices = LongArray(5)
for i in range(5):
da1[i] = i
da2[i] = 0
indices[i] = i
da1.copy_values(indices, da2)
self.assertEqual(np.allclose(da1.get_npy_array(), da2.get_npy_array()),
True)
def test_get_set_indexing(self):
"""Test get/set and [] operator."""
da = DoubleArray(10)
da.set(0, 10.0)
da.set(9, 1.0)
self.assertEqual(da.get(0), 10.0)
self.assertEqual(da.get(9), 1.0)
da[9] = 2.0
self.assertEqual(da[9], 2.0)
def test_squeeze(self):
"""Tests the squeeze function."""
da = DoubleArray(5)
da.append(4.0)
self.assertEqual(da.alloc > da.length, True)
da.squeeze()
self.assertEqual(da.length, 6)
self.assertEqual(da.alloc == da.length, True)
self.assertEqual(len(da.get_npy_array()), 6)
def test_paste_values(self):
"""Tests the paste values function."""
da1 = DoubleArray(3)
da1_array = da1.get_npy_array()
da1_array[:] = 2.0
da2 = DoubleArray(6)
da2_array = da2.get_npy_array()
da2_array[:] = 0.0
indices = LongArray(3)
ind_array = indices.get_npy_array()
ind_array[:] = [0, 2, 4]
da1.paste_values(indices, da2)
for i in indices:
self.assertTrue(da2[i] == 2.0)
def test_constructor(self):
"""Test the constructor."""
da = DoubleArray(10)
self.assertEqual(da.length, 10)
self.assertEqual(da.alloc, 10)
self.assertEqual(len(da.get_npy_array()), 10)
self.assertEqual(da.get_npy_array().itemsize, 8)
da = DoubleArray()
self.assertEqual(da.length, 0)
self.assertEqual(da.alloc, 16)
self.assertEqual(len(da.get_npy_array()), 0)
def test_extend(self):
"""Tests teh extend function."""
da1 = DoubleArray(5)
for i in range(5):
da1[i] = i
da2 = DoubleArray(5)
for i in range(5):
da2[i] = 5 + i
da1.extend(da2.get_npy_array())
self.assertEqual(da1.length, 10)
self.assertEqual(
np.allclose(da1.get_npy_array(), np.arange(10, dtype=np.float64)),
True)
def test_append(self):
"""Test the append function."""
da = DoubleArray(0)
da.append(1.0)
da.append(2.0)
da.append(3.0)
self.assertEqual(da.length, 3)
self.assertEqual(da[0], 1.0)
self.assertEqual(da[1], 2.0)
self.assertEqual(da[2], 3.0)
def test_aling_array(self):
"""Test the align_array function."""
da1 = DoubleArray(10)
da1_array = da1.get_npy_array()
da1_array[:] = np.arange(10, dtype=np.float64)
new_indices = np.array([1, 5, 3, 2, 4, 7, 8, 6, 9, 0], dtype=np.int)
da1.align_array(new_indices)
self.assertEqual(
np.allclose(
np.array([1.0, 5.0, 3.0, 2.0, 4.0, 7.0, 8.0, 6.0, 9.0, 0.0],
dtype=np.float64), da1.get_npy_array()), True)
def test_dtype(self):
"""Test data type."""
da = DoubleArray(10)
self.assertEqual(da.get_npy_array().dtype, np.float64)
def test_remove(self):
"""Tests the remove function"""
da1 = DoubleArray(10)
da1_array = da1.get_npy_array()
da1_array[:] = np.arange(10, dtype=np.float64)
rem = [0, 4, 3]
da1.remove(np.array(rem, dtype=np.int))
self.assertEqual(da1.length, 7)
self.assertEqual(
np.allclose(
np.array([7.0, 1.0, 2.0, 8.0, 9.0, 5.0, 6.0],
dtype=np.float64), da1.get_npy_array()), True)
da1.remove(np.array(rem, dtype=np.int))
self.assertEqual(da1.length, 4)
self.assertEqual(
np.allclose(np.array([6.0, 1.0, 2.0, 5.0], dtype=np.float64),
da1.get_npy_array()), True)
rem = [0, 1, 3]
da1.remove(np.array(rem, dtype=np.int))
self.assertEqual(da1.length, 1)
self.assertEqual(
np.allclose(np.array([2.0], dtype=np.float64),
da1.get_npy_array()), True)
da1.remove(np.array([0], dtype=np.int))
self.assertEqual(da1.length, 0)
self.assertEqual(len(da1.get_npy_array()), 0)