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# RUN: %PYTHON %s | FileCheck %s
import gc
from mlir.ir import *
def run(f):
print("\nTEST:", f.__name__)
f()
gc.collect()
assert Context._get_live_count() == 0
# CHECK-LABEL: TEST: testContextEnterExit
def testContextEnterExit():
with Context() as ctx:
assert Context.current is ctx
assert Context.current is None
run(testContextEnterExit)
# CHECK-LABEL: TEST: testLocationEnterExit
def testLocationEnterExit():
ctx1 = Context()
with Location.unknown(ctx1) as loc1:
assert Context.current is ctx1
assert Location.current is loc1
# Re-asserting the same context should not change the location.
with ctx1:
assert Context.current is ctx1
assert Location.current is loc1
# Asserting a different context should clear it.
with Context() as ctx2:
assert Context.current is ctx2
try:
_ = Location.current
except ValueError:
pass
else:
assert False, "Expected exception"
# And should restore.
assert Context.current is ctx1
assert Location.current is loc1
# All should clear.
try:
_ = Location.current
except ValueError as e:
# CHECK: No current Location
print(e)
else:
assert False, "Expected exception"
run(testLocationEnterExit)
# CHECK-LABEL: TEST: testInsertionPointEnterExit
def testInsertionPointEnterExit():
ctx1 = Context()
m = Module.create(Location.unknown(ctx1))
ip = InsertionPoint(m.body)
with ip:
assert InsertionPoint.current is ip
# Asserting a location from the same context should preserve.
with Location.unknown(ctx1) as loc1:
assert InsertionPoint.current is ip
assert Location.current is loc1
# Location should clear.
try:
_ = Location.current
except ValueError:
pass
else:
assert False, "Expected exception"
# Asserting the same Context should preserve.
with ctx1:
assert InsertionPoint.current is ip
# Asserting a different context should clear it.
with Context() as ctx2:
assert Context.current is ctx2
try:
_ = InsertionPoint.current
except ValueError:
pass
else:
assert False, "Expected exception"
# All should clear.
try:
_ = InsertionPoint.current
except ValueError as e:
# CHECK: No current InsertionPoint
print(e)
else:
assert False, "Expected exception"
run(testInsertionPointEnterExit)
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