objlist: Implement growing slice assignment.

This means that complete slice operations are supported for lists (but not
for bytearray's and array.array's).

1 files changed, 28 insertions, 0 deletions

diff --git a/tests/basics/list_slice_assign_grow.py b/tests/basics/list_slice_assign_grow.py
new file mode 100644
index 000000000..12b1541e3
--- /dev/null
+++ b/tests/basics/list_slice_assign_grow.py
@@ -0,0 +1,28 @@
+x = list(range(2))
+
+l = list(x)
+l[0:0] = [10]
+print(l)
+l = list(x)
+l[:0] = [10, 20]
+print(l)
+l = list(x)
+l[0:0] = [10, 20, 30, 40]
+print(l)
+
+l = list(x)
+l[1:1] = [10, 20, 30, 40]
+print(l)
+
+l = list(x)
+l[2:] = [10, 20, 30, 40]
+print(l)
+
+# Weird cases
+l = list(x)
+l[1:0] = [10, 20, 30, 40]
+print(l)
+
+l = list(x)
+l[100:100] = [10, 20, 30, 40]
+print(l)