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-rw-r--r--tests/basics/gen-yield-from.py42
1 files changed, 42 insertions, 0 deletions
diff --git a/tests/basics/gen-yield-from.py b/tests/basics/gen-yield-from.py
new file mode 100644
index 0000000000..5196b48d2b
--- /dev/null
+++ b/tests/basics/gen-yield-from.py
@@ -0,0 +1,42 @@
+# Case of terminating subgen using return with value
+def gen():
+ yield 1
+ yield 2
+ return 3
+
+def gen2():
+ print("here1")
+ print((yield from gen()))
+ print("here2")
+
+g = gen2()
+print(list(g))
+
+
+# Like above, but terminate subgen using StopIteration
+def gen3():
+ yield 1
+ yield 2
+ raise StopIteration
+
+def gen4():
+ print("here1")
+ print((yield from gen3()))
+ print("here2")
+
+g = gen4()
+print(list(g))
+
+# Like above, but terminate subgen using StopIteration with value
+def gen5():
+ yield 1
+ yield 2
+ raise StopIteration(123)
+
+def gen6():
+ print("here1")
+ print((yield from gen5()))
+ print("here2")
+
+g = gen6()
+print(list(g))