dd4b9373ac
Has to implement both functions as arguments and type place holders (variables) for type constructors. Probably have to introduce a type for functions
118 lines
2.8 KiB
Python
118 lines
2.8 KiB
Python
import pytest
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from phasm.type3.entry import Type3Exception
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from ..helpers import Suite
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from .test_natnum import FLOAT_TYPES, INT_TYPES
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@pytest.mark.integration_test
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@pytest.mark.parametrize('length', [1, 5, 13])
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@pytest.mark.parametrize('a_type', INT_TYPES + FLOAT_TYPES)
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def test_foldable_sum(length, a_type):
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code_py = f"""
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@exported
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def testEntry(x: {a_type}[{length}]) -> {a_type}:
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return sum(x)
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"""
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in_put = tuple(range(length))
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result = Suite(code_py).run_code(in_put)
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assert sum(in_put) == result.returned_value
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@pytest.mark.integration_test
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def test_foldable_sum_not_natnum():
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code_py = """
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class Foo:
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bar: i32
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@exported
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def testEntry(x: Foo[4]) -> Foo:
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return sum(x)
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"""
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with pytest.raises(Type3Exception, match='Missing type class instantation: NatNum Foo'):
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Suite(code_py).run_code()
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@pytest.mark.integration_test
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def test_foldable_foldl_size():
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code_py = """
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def u8_or(l: u8, r: u8) -> u8:
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return l | r
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@exported
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def testEntry(b: bytes) -> u8:
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return foldl(u8_or, 128, b)
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"""
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suite = Suite(code_py)
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result = suite.run_code(b'')
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assert 128 == result.returned_value
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result = suite.run_code(b'\x80')
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assert 128 == result.returned_value
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result = suite.run_code(b'\x80\x40')
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assert 192 == result.returned_value
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result = suite.run_code(b'\x80\x40\x20\x10')
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assert 240 == result.returned_value
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result = suite.run_code(b'\x80\x40\x20\x10\x08\x04\x02\x01')
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assert 255 == result.returned_value
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@pytest.mark.integration_test
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@pytest.mark.parametrize('direction, exp_result', [
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('foldl', -55, ),
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('foldr', -5, ),
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])
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def test_foldable_foldl_foldr(direction, exp_result):
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# See https://stackoverflow.com/a/13280185
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code_py = f"""
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def i32_sub(l: i32, r: i32) -> i32:
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return l - r
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@exported
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def testEntry(b: i32[10]) -> i32:
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return {direction}(i32_sub, 0, b)
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"""
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suite = Suite(code_py)
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result = suite.run_code(tuple(range(1, 10)))
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assert exp_result == result.returned_value
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@pytest.mark.integration_test
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def test_foldable_invalid_return_type():
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code_py = """
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@exported
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def testEntry(x: i32[5]) -> f64:
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return sum(x)
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"""
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with pytest.raises(Type3Exception, match='i32 must be f64 instead'):
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Suite(code_py).run_code((4, 5, 6, 7, 8, ))
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@pytest.mark.integration_test
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def test_foldable_not_constructed():
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code_py = """
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@exported
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def testEntry(x: i32) -> i32:
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return sum(x)
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"""
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with pytest.raises(Type3Exception, match='Missing type class instantation: Foldable i32.*i32 must be a constructed type instead'):
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Suite(code_py).run_code()
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@pytest.mark.integration_test
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def test_foldable_not_foldable():
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code_py = """
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@exported
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def testEntry(x: (i32, u32, )) -> i32:
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return sum(x)
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"""
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with pytest.raises(Type3Exception, match='Missing type class instantation: Foldable tuple'):
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Suite(code_py).run_code()
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