docarray
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‎docarray/array/mixins/content.py‎
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+3-3Lines changed: 3 additions & 3 deletions b/Collapse file
‎docarray/array/mixins/content.py‎
Copy file name to clipboardExpand all lines: docarray/array/mixins/content.py
+3-3Lines changed: 3 additions & 3 deletions
diff --git a/Collapse file
‎tests/unit/array/mixins/test_content.py‎
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+17Lines changed: 17 additions & 0 deletions b/Collapse file
‎tests/unit/array/mixins/test_content.py‎
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+17Lines changed: 17 additions & 0 deletions
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‎tests/unit/array/test_sequence.py‎
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+1-1Lines changed: 1 addition & 1 deletion b/Collapse file
‎tests/unit/array/test_sequence.py‎
Copy file name to clipboardExpand all lines: tests/unit/array/test_sequence.py
+1-1Lines changed: 1 addition & 1 deletion
@@ -58,7 +58,7 @@ def blobs(self) -> Optional['ArrayType']:
 
         :return: a :class:`ArrayType` of blobs
         """
-        if self[0].content_type == 'blob':
+        if self and self[0].content_type == 'blob':
             if self:
                 return unravel(self, 'blob')
 
@@ -84,7 +84,7 @@ def texts(self) -> Optional[List[str]]:
 
         :return: a list of texts
         """
-        if self[0].content_type == 'text':
+        if self and self[0].content_type == 'text':
             if self:
                 return [d.text for d in self]
 
@@ -110,7 +110,7 @@ def buffers(self) -> Optional[List[bytes]]:
 
         :return: a list of buffers
         """
-        if self[0].content_type == 'buffer':
+        if self and self[0].content_type == 'buffer':
             if self:
                 return [d.buffer for d in self]
 
 
@@ -48,3 +48,20 @@ def test_content_getter_setter(cls, content_attr):
     np.testing.assert_equal(getattr(da, content_attr[0]), content_attr[1])
     da.contents = None
     assert da.contents is None
+
+@pytest.mark.parametrize('da_len', [0, 1, 2])
+def test_content_empty(da_len):
+    da = DocumentArray.empty(da_len)
+    assert not da.texts
+    assert not da.contents
+    assert not da.blobs
+    assert not da.buffers
+
+    da.texts = ['hello'] * da_len
+    if da_len == 0:
+        assert not da.contents
+    else:
+        assert da.contents == ['hello'] * da_len
+        assert da.texts == ['hello'] * da_len
+        assert not da.blobs
+        assert not da.buffers
@@ -21,4 +21,4 @@ def test_append_extend(da_cls):
     da.append(Document())
     assert len(da) == 2
     da.extend([Document(), Document()])
-    assert len(da) == 4
+    assert len(da) == 4