base for slice tests

zopefoundation · May 3, 2017 · 370f93f · 370f93f
1 parent dfe3ea4
commit 370f93f
Showing 1 changed file with 18 additions and 0 deletions.
diff --git a/tests/transformer/test_slice.py b/tests/transformer/test_slice.py
@@ -0,0 +1,18 @@
+from tests import e_eval
+
+
+def test_slice():
+    low = 1
+    high = 4
+    stride = 3
+
+    assert e_eval('[1, 2, 3, 4, 5]') == [1, 2, 3, 4, 5]
+    assert e_eval('[1, 2, 3, 4, 5][:]') == [1, 2, 3, 4, 5]
+    assert e_eval('[1, 2, 3, 4, 5][' + low + ':]') == []
+    assert e_eval('[1, 2, 3, 4, 5][:' + high + ']') == []
+    assert e_eval('[1, 2, 3, 4, 5][' + low + ':' + high + ']') == []
+    assert e_eval('[1, 2, 3, 4, 5][::' + stride + ']') == []
+    assert e_eval('[1, 2, 3, 4, 5][' + low + '::' + stride + ']') == []
+    assert e_eval('[1, 2, 3, 4, 5][:' + high + ':' + stride + ']') == []
+    assert e_eval('[1, 2, 3, 4, 5][' + low + ':' + high + ':' + stride + ']') \
+        == []