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from test.utils import assemble_and_run_until_halted
def test_bump_reset():
machine = assemble_and_run_until_halted(
"test/e2e/std_bump_alloc/run_bump_reset.atk16"
)
heap_next_p = 0xE7EF
heap_next = machine.mem_read(heap_next_p)
assert heap_next == heap_next_p - 1
def test_bump_alloc():
machine = assemble_and_run_until_halted(
"test/e2e/std_bump_alloc/run_bump_alloc.atk16"
)
heap_next_p = 0xE7EF
heap_next = machine.mem_read(heap_next_p)
assert heap_next == heap_next_p - 1 - 5
returned_value = machine.rg.value
assert returned_value == heap_next + 1
def test_bump_alloc_overlap():
machine = assemble_and_run_until_halted(
"test/e2e/std_bump_alloc/run_bump_alloc_overlap.atk16"
)
heap_next_p = 0xE7EF
heap_next = machine.mem_read(heap_next_p)
assert heap_next == heap_next_p - 1 # alloc failed because of overlap
# so pointer should not have moved
returned_value = machine.rg.value
assert returned_value == 0 # returns 0 on failure
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