73 lines
1.2 KiB
Python
73 lines
1.2 KiB
Python
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#!/usr/bin/env python3
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"""Tests covering the Ichor ISA and state model."""
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from ichor.impl import Stackframe
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from ichor.state import *
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import pytest
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@pytest.fixture
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def frame():
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return Stackframe(None, 0)
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def test_stackframe_lifo(frame):
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frame.push(0)
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frame.push(1)
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frame.push(2)
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assert frame.pop() == 2
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assert frame.pop() == 1
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assert frame.pop() == 0
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def test_stackframe_dup(frame):
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frame.push(0)
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frame.push(1)
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frame.push(2)
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frame.push(3)
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frame.push(4)
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frame.dup(1)
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assert len(frame) == 6
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assert frame.pop() == 4
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assert frame.pop() == 4
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frame.dup(2)
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assert frame.pop() == 3
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assert frame.pop() == 2
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assert frame.pop() == 3
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assert frame.pop() == 2
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def test_stackframe_drop(frame):
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frame.push(0)
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frame.push(1)
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frame.push(2)
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frame.push(3)
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frame.push(4)
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assert len(frame) == 5
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frame.drop(2)
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assert len(frame) == 3
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assert frame.pop() == 2
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def test_stackframe_slot(frame):
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frame.push(0)
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frame.push(1)
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frame.push(2)
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frame.push(3)
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frame.push(4)
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frame.slot(0)
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assert frame.pop() == 0
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frame.slot(1)
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assert frame.pop() == 1
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frame.slot(2)
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assert frame.pop() == 2
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