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84 lines
4.2 KiB
Python
84 lines
4.2 KiB
Python
import pytest
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from il65.compile import Zeropage, CompileError
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from il65.plyparse import ZpOptions, VarDef
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from il65.plylex import SourceRef
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from il65.datatypes import DataType
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def test_zp_names():
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sref = SourceRef("test", 1, 1)
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zp = Zeropage(ZpOptions.NOCLOBBER, False)
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with pytest.raises(AssertionError):
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zp.allocate(VarDef(name="", vartype="memory", datatype=DataType.BYTE, sourceref=sref))
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zp.allocate(VarDef(name="", vartype="var", datatype=DataType.BYTE, sourceref=sref))
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zp.allocate(VarDef(name="", vartype="var", datatype=DataType.BYTE, sourceref=sref))
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zp.allocate(VarDef(name="varname", vartype="var", datatype=DataType.BYTE, sourceref=sref))
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with pytest.raises(AssertionError):
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zp.allocate(VarDef(name="varname", vartype="var", datatype=DataType.BYTE, sourceref=sref))
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zp.allocate(VarDef(name="varname2", vartype="var", datatype=DataType.BYTE, sourceref=sref))
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def test_zp_noclobber_allocation():
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sref = SourceRef("test", 1, 1)
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zp = Zeropage(ZpOptions.NOCLOBBER, True)
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assert zp.available() == 9
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with pytest.raises(CompileError):
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# in regular zp there aren't 5 sequential bytes free
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zp.allocate(VarDef(name="impossible", vartype="var", datatype=DataType.FLOAT, sourceref=sref))
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for i in range(zp.available()):
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loc = zp.allocate(VarDef(name="bvar"+str(i), vartype="var", datatype=DataType.BYTE, sourceref=sref))
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assert loc > 0
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assert zp.available() == 0
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with pytest.raises(CompileError):
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zp.allocate(VarDef(name="", vartype="var", datatype=DataType.BYTE, sourceref=sref))
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with pytest.raises(CompileError):
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zp.allocate(VarDef(name="", vartype="var", datatype=DataType.WORD, sourceref=sref))
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def test_zp_float_enable():
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sref = SourceRef("test", 1, 1)
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zp = Zeropage(ZpOptions.CLOBBER, False)
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with pytest.raises(TypeError):
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zp.allocate(VarDef(name="", vartype="var", datatype=DataType.FLOAT, sourceref=sref))
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zp = Zeropage(ZpOptions.CLOBBER, True)
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zp.allocate(VarDef(name="", vartype="var", datatype=DataType.FLOAT, sourceref=sref))
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def test_zp_clobber_allocation():
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sref = SourceRef("test", 1, 1)
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zp = Zeropage(ZpOptions.CLOBBER, True)
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assert zp.available() == 239
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loc = zp.allocate(VarDef(name="", vartype="var", datatype=DataType.FLOAT, sourceref=sref))
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assert loc > 3 and loc not in zp.free
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num, rest = divmod(zp.available(), 5)
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for _ in range(num-3):
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zp.allocate(VarDef(name="", vartype="var", datatype=DataType.FLOAT, sourceref=sref))
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assert zp.available() == 19
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with pytest.raises(CompileError):
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# can't allocate because no more sequential bytes, only fragmented
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zp.allocate(VarDef(name="", vartype="var", datatype=DataType.FLOAT, sourceref=sref))
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for _ in range(14):
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zp.allocate(VarDef(name="", vartype="var", datatype=DataType.BYTE, sourceref=sref))
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zp.allocate(VarDef(name="", vartype="var", datatype=DataType.WORD, sourceref=sref))
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zp.allocate(VarDef(name="", vartype="var", datatype=DataType.WORD, sourceref=sref))
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with pytest.raises(CompileError):
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zp.allocate(VarDef(name="", vartype="var", datatype=DataType.WORD, sourceref=sref))
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assert zp.available() == 1
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zp.allocate(VarDef(name="last", vartype="var", datatype=DataType.BYTE, sourceref=sref))
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with pytest.raises(CompileError):
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zp.allocate(VarDef(name="impossible", vartype="var", datatype=DataType.BYTE, sourceref=sref))
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def test_zp_efficient_allocation():
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# free = [0x04, 0x05, 0x06, 0x2a, 0x52, 0xf7, 0xf8, 0xf9, 0xfa]
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sref = SourceRef("test", 1, 1)
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zp = Zeropage(ZpOptions.NOCLOBBER, False)
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assert zp.available() == 9
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assert 0x2a == zp.allocate(VarDef(name="", vartype="var", datatype=DataType.BYTE, sourceref=sref))
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assert 0x52 == zp.allocate(VarDef(name="", vartype="var", datatype=DataType.BYTE, sourceref=sref))
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assert 0x04 == zp.allocate(VarDef(name="", vartype="var", datatype=DataType.WORD, sourceref=sref))
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assert 0xf7 == zp.allocate(VarDef(name="", vartype="var", datatype=DataType.WORD, sourceref=sref))
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assert 0x06 == zp.allocate(VarDef(name="", vartype="var", datatype=DataType.BYTE, sourceref=sref))
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assert 0xf9 == zp.allocate(VarDef(name="", vartype="var", datatype=DataType.WORD, sourceref=sref))
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assert zp.available() == 0
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