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rvalue reference outputs

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Document rvalue reference outputs behaviour
Test rvalue reference outputs
This commit is contained in:
William S Fulton 2022-09-08 08:46:32 +01:00
commit 2212af3f4f
26 changed files with 659 additions and 344 deletions
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52
Examples/test-suite/python/cpp11_rvalue_reference_move_input_runme.py
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from cpp11_rvalue_reference_move_input import *
# Function containing rvalue reference parameter
Counter.reset_counts()
mo = MovableCopyable(222)
Counter.check_counts(1, 0, 0, 0, 0, 0)
MovableCopyable.movein(mo)
Counter.check_counts(1, 0, 0, 1, 0, 2)
if not MovableCopyable.is_nullptr(mo):
raise RuntimeError("is_nullptr check")
del mo
Counter.check_counts(1, 0, 0, 1, 0, 2)
# Move constructor test
Counter.reset_counts()
mo = MovableCopyable(222)
Counter.check_counts(1, 0, 0, 0, 0, 0)
mo_moved = MovableCopyable(mo)
Counter.check_counts(1, 0, 0, 1, 0, 1)
if not MovableCopyable.is_nullptr(mo):
raise RuntimeError("is_nullptr check")
del mo
Counter.check_counts(1, 0, 0, 1, 0, 1)
del mo_moved
Counter.check_counts(1, 0, 0, 1, 0, 2)
# Move assignment operator test
Counter.reset_counts()
mo111 = MovableCopyable(111)
mo222 = MovableCopyable(222)
Counter.check_counts(2, 0, 0, 0, 0, 0)
mo111.MoveAssign(mo222)
Counter.check_counts(2, 0, 0, 0, 1, 1)
if not MovableCopyable.is_nullptr(mo222):
raise RuntimeError("is_nullptr check")
del mo222
Counter.check_counts(2, 0, 0, 0, 1, 1)
del mo111
Counter.check_counts(2, 0, 0, 0, 1, 2)
# null check
Counter.reset_counts()
exception_thrown = False
try:
MovableCopyable.movein(None)
except ValueError as e:
if "invalid null reference" not in str(e):
raise RuntimeError("incorrect exception message:" + str(e))
exception_thrown = True
if not exception_thrown:
raise RuntimeError("Should have thrown null error")
Counter.check_counts(0, 0, 0, 0, 0, 0)