Sep 19, 2023 · Sep 20, 2023 · Sep 20, 2023 · Sep 20, 2023 · Sep 20, 2023 · Sep 22, 2023
diff --git a/nibabel/tests/test_arrayproxy.py b/nibabel/tests/test_arrayproxy.py
    copied = proxy.copy()
    assert islock(copied._lock)
    assert proxy._lock is copied._lock


 def test_copy_with_indexed_gzip_handle(tmp_path):
    indexed_gzip = pytest.importorskip('indexed_gzip')

    spec = ((50, 50, 50, 50), np.float32, 352, 1, 0)
    data = np.arange(np.prod(spec[0]), dtype=spec[1]).reshape(spec[0])
    fname = str(tmp_path / 'test.nii.gz')
    Nifti1Image(data, np.eye(4)).to_filename(fname)

    with indexed_gzip.IndexedGzipFile(fname) as fobj:
        proxy = ArrayProxy(fobj, spec)
        copied = proxy.copy()

        assert proxy.file_like is copied.file_like
        assert np.array_equal(proxy[0, 0, 0], copied[0, 0, 0])
        assert np.array_equal(proxy[-1, -1, -1], copied[-1, -1, -1])
Original file line number	Diff line number	Diff line change
Expand Up		@@ -587,3 +587,20 @@ def test_copy():
		copied = proxy.copy()
		assert islock(copied._lock)
		assert proxy._lock is copied._lock


		def test_copy_with_indexed_gzip_handle(tmp_path):
		indexed_gzip = pytest.importorskip('indexed_gzip')

		spec = ((50, 50, 50, 50), np.float32, 352, 1, 0)
		data = np.arange(np.prod(spec[0]), dtype=spec[1]).reshape(spec[0])
		fname = str(tmp_path / 'test.nii.gz')
		Nifti1Image(data, np.eye(4)).to_filename(fname)

		with indexed_gzip.IndexedGzipFile(fname) as fobj:
		proxy = ArrayProxy(fobj, spec)
		copied = proxy.copy()

		assert proxy.file_like is copied.file_like
		assert np.array_equal(proxy[0, 0, 0], copied[0, 0, 0])
		assert np.array_equal(proxy[-1, -1, -1], copied[-1, -1, -1])