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from fontTools.feaLib import ast
import unittest
class AstTest(unittest.TestCase):
def test_glyphname_escape(self):
statement = ast.GlyphClass()
for name in ("BASE", "NULL", "foo", "a"):
statement.append(ast.GlyphName(name))
self.assertEqual(statement.asFea(), r"[\BASE \NULL foo a]")
def test_valuerecord_none(self):
statement = ast.ValueRecord(xPlacement=10, xAdvance=20)
self.assertEqual(statement.asFea(), "<10 0 20 0>")
def test_valuerecord_empty(self):
statement = ast.ValueRecord()
self.assertEqual(statement.asFea(), "<NULL>")
def test_non_object_location(self):
el = ast.Element(location=("file.fea", 1, 2))
self.assertEqual(el.location.file, "file.fea")
self.assertEqual(el.location.line, 1)
self.assertEqual(el.location.column, 2)
def test_single_pos_statement_empty_valuerecord(self):
statement = ast.SinglePosStatement(
pos=[(ast.GlyphName("a"), ast.ValueRecord())],
prefix=[],
suffix=[],
forceChain=False,
)
self.assertEqual(statement.asFea(), "pos a <NULL>;")
def test_single_pos_statement_empty_valuerecord_chain(self):
statement = ast.SinglePosStatement(
pos=[(ast.GlyphName("a"), ast.ValueRecord())],
prefix=[],
suffix=[],
forceChain=True,
)
self.assertEqual(statement.asFea(), "pos a' <NULL>;")
if __name__ == "__main__":
import sys
sys.exit(unittest.main())
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