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| author | Jan Tuomi <jan@jantuomi.fi> | 2024-04-12 14:57:45 +0300 |
|---|---|---|
| committer | Jan Tuomi <jan@jantuomi.fi> | 2024-04-12 14:57:45 +0300 |
| commit | 4f78086920cd4e2cee6d970decaee7025875f2a9 (patch) | |
| tree | 1ef780401e5e26c20649c90e8713c02fc0fe90d6 /test/e2e/call_stack/test_call_stack.py | |
| parent | 0603e19435b4304fabd91f840325a153ce31cae2 (diff) | |
Implement signed multiplication
Diffstat (limited to 'test/e2e/call_stack/test_call_stack.py')
| -rw-r--r-- | test/e2e/call_stack/test_call_stack.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/e2e/call_stack/test_call_stack.py b/test/e2e/call_stack/test_call_stack.py index 3895f5c..02897f9 100644 --- a/test/e2e/call_stack/test_call_stack.py +++ b/test/e2e/call_stack/test_call_stack.py @@ -21,6 +21,12 @@ def run_mul(a: int, b: int) -> int: return machine.rg.value +def test_mul_0(): + expected = 0 + received = run_mul(0, -100) + + assert expected == received + def test_mul_1(): expected = 30 received = run_mul(5, 6) @@ -32,6 +38,8 @@ def test_mul_2(): b = 200 expected = a * b received = run_mul(a, b) + # interpret received as a 16 bit signed integer, using powers of two in the math + received = received if received < 2**15 else received - 2**16 assert expected == received |