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python/tests/unicode.py
61 строка
2 KB
Maks Verver
python: Add a test to reproduce bug #889
13 апр 2025, 14:50
13 апр 2025, 14:50
4d24aa2
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from io import BytesIO, StringIO import libxml2 import sys from xml.sax.handler import ContentHandler from xml.sax.xmlreader import InputSource import xml.sax # Test data: an XML file with a 100,000 Unicode smileys, which expand # into 400,000 bytes after UTF-8 encoding. SMILEY = '\U0001f600' TEXT = 100_000 * SMILEY XML_STRING = '<?xml version="1.0" encoding="UTF-8" ?>\n<root>' + TEXT + '</root>' XML_BYTES = XML_STRING.encode('utf-8') def RunTest(test_name, source): expected = TEXT received = '' class TestHandler(ContentHandler): def characters(self, content): nonlocal received received += content reader = xml.sax.make_parser(['drv_libxml2']) reader.setContentHandler(TestHandler()) reader.parse(source) if expected != received: print(test_name, 'failed!') print('Expected length:', len(expected)) print('Received length:', len(received)) print('Expected text: (prefix only)', expected[:100]) print('Received text: (prefix only)', received[:100]) sys.exit(1) def TestBytesInput(): source = InputSource() source.setByteStream(BytesIO(XML_BYTES)) RunTest('TestBytesInput', source) def TestStringInput(): source = InputSource() source.setCharacterStream(StringIO(XML_STRING)) RunTest('TestStringInput', source) # Memory debug specific libxml2.debugMemory(1) TestBytesInput() TestStringInput() # Memory debug specific libxml2.cleanupParser() if libxml2.debugMemory(1) == 0: print("OK") else: print("Memory leak %d bytes" % (libxml2.debugMemory(1)))