add tests

Tim-St · Tim-St · commit d31767d92481 · 2019-09-15T15:03:30.000+02:00
diff --git a/builtin/tests/sorting.py b/builtin/tests/sorting.py
@@ -0,0 +1,55 @@
+# Copyright 2019 The go-python Authors.  All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+
+l = []
+l2 = sorted(l)
+assert l == l2
+assert not l is l2
+assert sorted([5, 2, 3, 1, 4]) == [1, 2, 3, 4, 5]
+a = [5, 2, 3, 1, 4]
+assert a.sort() == None
+assert a == [1, 2, 3, 4, 5]
+assert sorted({"1": "D", "2": "B", "3": "B", "5": "E", "4": "A"}) == ["1", "2", "3", "4", "5"]
+
+kwargs = {"key": lambda l: l&1+l, "reverse": True}
+l = list(range(10))
+l.sort(**kwargs)
+assert l == sorted(range(10), **kwargs) == [8, 9, 6, 4, 5, 2, 0, 1, 3, 7]
+
+assert sorted([1, 2, 1.1], reverse=1) == [2, 1.1, 1]
+
+try:
+    sorted()
+except TypeError:
+    pass
+else:
+    assert False
+
+try:
+    sorted([], 1)
+except TypeError:
+    pass
+else:
+    assert False
+
+try:
+    sorted(1)
+except TypeError:
+    pass
+else:
+    assert False
+
+try:
+    sorted(None)
+except TypeError:
+    pass
+else:
+    assert False
+
+try:
+    sorted([1, 2], key=1)
+except TypeError:
+    pass
+else:
+    assert False
