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-rw-r--r--tests/basics/generator-return.py10
-rw-r--r--tests/basics/generator_close.py59
2 files changed, 69 insertions, 0 deletions
diff --git a/tests/basics/generator-return.py b/tests/basics/generator-return.py
new file mode 100644
index 0000000000..a3ac88575e
--- /dev/null
+++ b/tests/basics/generator-return.py
@@ -0,0 +1,10 @@
+def gen():
+ yield 1
+ return 42
+
+g = gen()
+print(next(g))
+try:
+ print(next(g))
+except StopIteration as e:
+ print(repr(e))
diff --git a/tests/basics/generator_close.py b/tests/basics/generator_close.py
new file mode 100644
index 0000000000..aa563f2a8a
--- /dev/null
+++ b/tests/basics/generator_close.py
@@ -0,0 +1,59 @@
+def gen1():
+ yield 1
+ yield 2
+
+# Test that it's possible to close just created gen
+g = gen1()
+print(g.close())
+try:
+ next(g)
+except StopIteration:
+ print("StopIteration")
+
+# Test that it's possible to close gen in progress
+g = gen1()
+print(next(g))
+print(g.close())
+try:
+ next(g)
+ print("No StopIteration")
+except StopIteration:
+ print("StopIteration")
+
+# Test that it's possible to close finished gen
+g = gen1()
+print(list(g))
+print(g.close())
+try:
+ next(g)
+ print("No StopIteration")
+except StopIteration:
+ print("StopIteration")
+
+
+# Throwing StopIteration in response to close() is ok
+def gen2():
+ try:
+ yield 1
+ yield 2
+ except:
+ raise StopIteration
+
+g = gen2()
+next(g)
+print(g.close())
+
+# Any other exception is propagated to the .close() caller
+def gen3():
+ try:
+ yield 1
+ yield 2
+ except:
+ raise ValueError
+
+g = gen3()
+next(g)
+try:
+ print(g.close())
+except ValueError:
+ print("ValueError")