prog8/python/tests/test_core.py
2018-08-07 22:49:01 +02:00

103 lines
4.7 KiB
Python

import pytest
from il65.datatypes import DataType, STRING_DATATYPES, char_to_bytevalue
from il65.plyparse import coerce_constant_value, LiteralValue, Scope, SymbolName, VarDef
from il65.compile import ParseError
from il65.plylex import SourceRef
def test_datatypes():
assert all(isinstance(s, DataType) for s in STRING_DATATYPES)
assert all(s.isstring() for s in STRING_DATATYPES)
assert not any(s.isarray() or s.isnumeric() for s in STRING_DATATYPES)
assert DataType.WORDARRAY.isarray()
assert not DataType.WORDARRAY.isnumeric()
assert not DataType.WORDARRAY.isstring()
assert not DataType.WORD.isarray()
assert DataType.WORD.isnumeric()
assert not DataType.WORD.isstring()
def test_sourceref():
s = SourceRef("file", 99, 42)
assert str(s) == "file:99:42"
s = SourceRef("file", 99)
assert str(s) == "file:99"
def test_parseerror():
p = ParseError("message", SourceRef("filename", 99, 42))
assert p.args == ("message", )
assert str(p) == "filename:99:42 message"
def test_char_to_bytevalue():
assert char_to_bytevalue('a') == 65
assert char_to_bytevalue('\n') == 13
assert char_to_bytevalue('π') == 126
assert char_to_bytevalue('') == 230
assert char_to_bytevalue('\x00') == 0
assert char_to_bytevalue('\xff') == 255
with pytest.raises(AssertionError):
char_to_bytevalue('<undefined>')
# screencodes not yet implemented: assert datatypes.char_to_bytevalue('a', False) == 65
def test_coerce_value_novars():
sref = SourceRef("test", 1, 1)
def lv(v) -> LiteralValue:
return LiteralValue(value=v, sourceref=sref) # type: ignore
assert coerce_constant_value(DataType.BYTE, lv(0)) == (False, lv(0))
assert coerce_constant_value(DataType.BYTE, lv(255)) == (False, lv(255))
assert coerce_constant_value(DataType.BYTE, lv('@')) == (True, lv(64))
assert coerce_constant_value(DataType.WORD, lv(0)) == (False, lv(0))
assert coerce_constant_value(DataType.WORD, lv(65535)) == (False, lv(65535))
assert coerce_constant_value(DataType.WORD, lv('@')) == (True, lv(64))
assert coerce_constant_value(DataType.FLOAT, lv(-999.22)) == (False, lv(-999.22))
assert coerce_constant_value(DataType.FLOAT, lv(123.45)) == (False, lv(123.45))
assert coerce_constant_value(DataType.FLOAT, lv('@')) == (True, lv(64))
assert coerce_constant_value(DataType.BYTE, lv(5.678)) == (True, lv(5))
assert coerce_constant_value(DataType.WORD, lv(5.678)) == (True, lv(5))
assert coerce_constant_value(DataType.WORD,
lv("string")) == (False, lv("string")), "string (address) can be assigned to a word"
assert coerce_constant_value(DataType.STRING, lv("string")) == (False, lv("string"))
assert coerce_constant_value(DataType.STRING_P, lv("string")) == (False, lv("string"))
assert coerce_constant_value(DataType.STRING_S, lv("string")) == (False, lv("string"))
assert coerce_constant_value(DataType.STRING_PS, lv("string")) == (False, lv("string"))
with pytest.raises(OverflowError):
coerce_constant_value(DataType.BYTE, lv(-1))
with pytest.raises(OverflowError):
coerce_constant_value(DataType.BYTE, lv(256))
with pytest.raises(OverflowError):
coerce_constant_value(DataType.BYTE, lv(256.12345))
with pytest.raises(OverflowError):
coerce_constant_value(DataType.WORD, lv(-1))
with pytest.raises(OverflowError):
coerce_constant_value(DataType.WORD, lv(65536))
with pytest.raises(OverflowError):
coerce_constant_value(DataType.WORD, lv(65536.12345))
with pytest.raises(OverflowError):
coerce_constant_value(DataType.FLOAT, lv(-1.7014118346e+38))
with pytest.raises(OverflowError):
coerce_constant_value(DataType.FLOAT, lv(1.7014118347e+38))
with pytest.raises(TypeError):
coerce_constant_value(DataType.BYTE, lv("string"))
with pytest.raises(TypeError):
coerce_constant_value(DataType.FLOAT, lv("string"))
def test_coerce_value_vars():
sref = SourceRef("test", 1, 1)
scope = Scope(nodes=[], level="block", sourceref=sref)
vardef = VarDef(name="constantvar", vartype="const", datatype=None, sourceref=sref)
vardef.value = LiteralValue(value=99, sourceref=sref)
scope.add_node(vardef)
vardef = VarDef(name="varvar", vartype="var", datatype=None, sourceref=sref)
vardef.value = LiteralValue(value=42, sourceref=sref)
scope.add_node(vardef)
vardef = VarDef(name="memvar", vartype="memory", datatype=None, sourceref=sref)
vardef.value = LiteralValue(value=0xc000, sourceref=sref)
scope.add_node(vardef)
value = SymbolName(name="constantvar", sourceref=sref)
value.parent = scope
assert coerce_constant_value(DataType.BYTE, value) == (True, LiteralValue(value=99, sourceref=sref))