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115 lines
5.1 KiB
Python
115 lines
5.1 KiB
Python
import pytest
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from il65 import datatypes
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from il65.compile import ParseError
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from il65.plylex import SourceRef
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def test_datatypes():
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assert all(isinstance(s, datatypes.DataType) for s in datatypes.STRING_DATATYPES)
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def test_sourceref():
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s = SourceRef("file", 99, 42)
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assert str(s) == "file:99:42"
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s = SourceRef("file", 99)
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assert str(s) == "file:99"
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def test_parseerror():
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p = ParseError("message", SourceRef("filename", 99, 42))
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assert p.args == ("message", )
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assert str(p) == "filename:99:42 message"
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def test_to_hex():
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assert datatypes.to_hex(0) == "$00"
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assert datatypes.to_hex(1) == "$01"
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assert datatypes.to_hex(255) == "$ff"
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assert datatypes.to_hex(256) == "$0100"
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assert datatypes.to_hex(20060) == "$4e5c"
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assert datatypes.to_hex(65535) == "$ffff"
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with pytest.raises(OverflowError):
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datatypes.to_hex(-1)
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with pytest.raises(OverflowError):
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datatypes.to_hex(65536)
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def test_float_to_mflpt5():
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mflpt = datatypes.to_mflpt5(1.0)
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assert type(mflpt) is bytearray
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assert b"\x00\x00\x00\x00\x00" == datatypes.to_mflpt5(0)
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assert b"\x82\x49\x0F\xDA\xA1" == datatypes.to_mflpt5(3.141592653)
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assert b"\x82\x49\x0F\xDA\xA2" == datatypes.to_mflpt5(3.141592653589793)
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assert b"\x90\x80\x00\x00\x00" == datatypes.to_mflpt5(-32768)
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assert b"\x81\x00\x00\x00\x00" == datatypes.to_mflpt5(1)
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assert b"\x80\x35\x04\xF3\x34" == datatypes.to_mflpt5(0.7071067812)
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assert b"\x80\x35\x04\xF3\x33" == datatypes.to_mflpt5(0.7071067811865476)
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assert b"\x81\x35\x04\xF3\x34" == datatypes.to_mflpt5(1.4142135624)
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assert b"\x81\x35\x04\xF3\x33" == datatypes.to_mflpt5(1.4142135623730951)
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assert b"\x80\x80\x00\x00\x00" == datatypes.to_mflpt5(-.5)
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assert b"\x80\x31\x72\x17\xF8" == datatypes.to_mflpt5(0.69314718061)
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assert b"\x80\x31\x72\x17\xF7" == datatypes.to_mflpt5(0.6931471805599453)
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assert b"\x84\x20\x00\x00\x00" == datatypes.to_mflpt5(10)
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assert b"\x9E\x6E\x6B\x28\x00" == datatypes.to_mflpt5(1000000000)
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assert b"\x80\x00\x00\x00\x00" == datatypes.to_mflpt5(.5)
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assert b"\x81\x38\xAA\x3B\x29" == datatypes.to_mflpt5(1.4426950408889634)
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assert b"\x81\x49\x0F\xDA\xA2" == datatypes.to_mflpt5(1.5707963267948966)
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assert b"\x83\x49\x0F\xDA\xA2" == datatypes.to_mflpt5(6.283185307179586)
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assert b"\x7F\x00\x00\x00\x00" == datatypes.to_mflpt5(.25)
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def test_float_range():
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assert b"\xff\x7f\xff\xff\xff" == datatypes.to_mflpt5(datatypes.FLOAT_MAX_POSITIVE)
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assert b"\xff\xff\xff\xff\xff" == datatypes.to_mflpt5(datatypes.FLOAT_MAX_NEGATIVE)
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with pytest.raises(OverflowError):
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datatypes.to_mflpt5(1.7014118346e+38)
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with pytest.raises(OverflowError):
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datatypes.to_mflpt5(-1.7014118346e+38)
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with pytest.raises(OverflowError):
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datatypes.to_mflpt5(1.7014118347e+38)
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with pytest.raises(OverflowError):
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datatypes.to_mflpt5(-1.7014118347e+38)
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assert b"\x03\x39\x1d\x15\x63" == datatypes.to_mflpt5(1.7e-38)
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assert b"\x00\x00\x00\x00\x00" == datatypes.to_mflpt5(1.7e-39)
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assert b"\x03\xb9\x1d\x15\x63" == datatypes.to_mflpt5(-1.7e-38)
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assert b"\x00\x00\x00\x00\x00" == datatypes.to_mflpt5(-1.7e-39)
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def test_char_to_bytevalue():
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assert datatypes.char_to_bytevalue('a') == 65
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assert datatypes.char_to_bytevalue('\n') == 13
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assert datatypes.char_to_bytevalue('π') == 126
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assert datatypes.char_to_bytevalue('▒') == 230
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assert datatypes.char_to_bytevalue('\x00') == 0
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assert datatypes.char_to_bytevalue('\xff') == 255
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with pytest.raises(AssertionError):
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datatypes.char_to_bytevalue('<undefined>')
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# screencodes not yet implemented: assert datatypes.char_to_bytevalue('a', False) == 65
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def test_coerce_value():
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assert datatypes.coerce_value(datatypes.DataType.BYTE, 0) == (False, 0)
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assert datatypes.coerce_value(datatypes.DataType.BYTE, 255) == (False, 255)
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assert datatypes.coerce_value(datatypes.DataType.WORD, 0) == (False, 0)
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assert datatypes.coerce_value(datatypes.DataType.WORD, 65535) == (False, 65535)
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assert datatypes.coerce_value(datatypes.DataType.FLOAT, -999.22) == (False, -999.22)
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assert datatypes.coerce_value(datatypes.DataType.FLOAT, 123.45) == (False, 123.45)
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assert datatypes.coerce_value(datatypes.DataType.BYTE, 5.678) == (True, 5)
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assert datatypes.coerce_value(datatypes.DataType.WORD, 5.678) == (True, 5)
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with pytest.raises(OverflowError):
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datatypes.coerce_value(datatypes.DataType.BYTE, -1)
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with pytest.raises(OverflowError):
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datatypes.coerce_value(datatypes.DataType.BYTE, 256)
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with pytest.raises(OverflowError):
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datatypes.coerce_value(datatypes.DataType.BYTE, 256.12345)
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with pytest.raises(OverflowError):
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datatypes.coerce_value(datatypes.DataType.WORD, -1)
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with pytest.raises(OverflowError):
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datatypes.coerce_value(datatypes.DataType.WORD, 65536)
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with pytest.raises(OverflowError):
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datatypes.coerce_value(datatypes.DataType.WORD, 65536.12345)
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with pytest.raises(OverflowError):
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datatypes.coerce_value(datatypes.DataType.FLOAT, -1.7014118346e+38)
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with pytest.raises(OverflowError):
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datatypes.coerce_value(datatypes.DataType.FLOAT, 1.7014118347e+38)
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