aboutsummaryrefslogtreecommitdiffstats
path: root/test/e2e/std_bump_alloc/test_bump_alloc.py
diff options
context:
space:
mode:
Diffstat (limited to 'test/e2e/std_bump_alloc/test_bump_alloc.py')
-rw-r--r--test/e2e/std_bump_alloc/test_bump_alloc.py13
1 files changed, 13 insertions, 0 deletions
diff --git a/test/e2e/std_bump_alloc/test_bump_alloc.py b/test/e2e/std_bump_alloc/test_bump_alloc.py
index 717a122..b2274f8 100644
--- a/test/e2e/std_bump_alloc/test_bump_alloc.py
+++ b/test/e2e/std_bump_alloc/test_bump_alloc.py
@@ -20,3 +20,16 @@ def test_bump_alloc():
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