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# Test proper handling of exceptions within generator across yield
def gen():
try:
yield 1
raise ValueError
except ValueError:
print("Caught")
yield 2
for i in gen():
print(i)
# Test throwing exceptions out of generator
def gen2():
yield 1
raise ValueError
yield 2
yield 3
g = gen2()
print(next(g))
try:
print(next(g))
except ValueError:
print("ValueError")
try:
print(next(g))
except StopIteration:
print("StopIteration")
# Test throwing exception into generator
def gen3():
yield 1
try:
yield 2
except ValueError:
print("ValueError received")
yield 3
yield 4
yield 5
g = gen3()
print(next(g))
print(next(g))
print("out of throw:", g.throw(ValueError))
print(next(g))
try:
print("out of throw2:", g.throw(ValueError))
except ValueError:
print("Boomerang ValueError caught")
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