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Current File : //usr/local/python-3.2/lib/python3.2/test/json_tests/test_dump.py

from io import StringIO
from test.json_tests import PyTest, CTest


class TestDump:
    def test_dump(self):
        sio = StringIO()
        self.json.dump({}, sio)
        self.assertEqual(sio.getvalue(), '{}')

    def test_dumps(self):
        self.assertEqual(self.dumps({}), '{}')

    def test_encode_truefalse(self):
        self.assertEqual(self.dumps(
                 {True: False, False: True}, sort_keys=True),
                 '{"false": true, "true": false}')
        self.assertEqual(self.dumps(
                {2: 3.0, 4.0: 5, False: 1, 6: True}, sort_keys=True),
                '{"false": 1, "2": 3.0, "4.0": 5, "6": true}')

    # Issue 16228: Crash on encoding resized list
    def test_encode_mutated(self):
        a = [object()] * 10
        def crasher(obj):
            del a[-1]
        self.assertEqual(self.dumps(a, default=crasher),
                 '[null, null, null, null, null]')


class TestPyDump(TestDump, PyTest): pass
class TestCDump(TestDump, CTest): pass