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from nose.tools import istest, assert_equal
from mammoth.styles.parser.tokeniser import Token, TokenType
from mammoth.styles.parser.token_parser import decode_escape_sequences, parse_identifier, parse_string
from mammoth.styles.parser.token_iterator import TokenIterator
@istest
def escape_sequences_in_identifiers_are_decoded():
assert_equal(
":",
parse_identifier(TokenIterator([
Token(0, TokenType.IDENTIFIER, r"\:"),
])),
)
@istest
def escape_sequences_in_strings_are_decoded():
assert_equal(
"\n",
parse_string(TokenIterator([
Token(0, TokenType.STRING, r"'\n'"),
])),
)
@istest
def line_feeds_are_decoded():
assert_equal("\n", decode_escape_sequences(r"\n"))
@istest
def carriage_returns_are_decoded():
assert_equal("\r", decode_escape_sequences(r"\r"))
@istest
def tabs_are_decoded():
assert_equal("\t", decode_escape_sequences(r"\t"))
@istest
def backslashes_are_decoded():
assert_equal("\\", decode_escape_sequences(r"\\"))
@istest
def colons_are_decoded():
assert_equal(":", decode_escape_sequences(r"\:"))
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