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1from fontTools.misc.textTools import deHexStr
2from fontTools.ttLib.tables.otBase import OTTableReader, OTTableWriter
3import unittest
4
5
6class OTTableReaderTest(unittest.TestCase):
7    def test_readShort(self):
8        reader = OTTableReader(deHexStr("CA FE"))
9        self.assertEqual(reader.readShort(), -13570)
10        self.assertEqual(reader.pos, 2)
11
12    def test_readLong(self):
13        reader = OTTableReader(deHexStr("CA FE BE EF"))
14        self.assertEqual(reader.readLong(), -889274641)
15        self.assertEqual(reader.pos, 4)
16
17    def test_readUInt8(self):
18        reader = OTTableReader(deHexStr("C3"))
19        self.assertEqual(reader.readUInt8(), 0xC3)
20        self.assertEqual(reader.pos, 1)
21
22    def test_readUShort(self):
23        reader = OTTableReader(deHexStr("CA FE"))
24        self.assertEqual(reader.readUShort(), 0xCAFE)
25        self.assertEqual(reader.pos, 2)
26
27    def test_readUShortArray(self):
28        reader = OTTableReader(deHexStr("DE AD BE EF CA FE"))
29        self.assertEqual(list(reader.readUShortArray(3)),
30                         [0xDEAD, 0xBEEF, 0xCAFE])
31        self.assertEqual(reader.pos, 6)
32
33    def test_readUInt24(self):
34        reader = OTTableReader(deHexStr("C3 13 37"))
35        self.assertEqual(reader.readUInt24(), 0xC31337)
36        self.assertEqual(reader.pos, 3)
37
38    def test_readULong(self):
39        reader = OTTableReader(deHexStr("CA FE BE EF"))
40        self.assertEqual(reader.readULong(), 0xCAFEBEEF)
41        self.assertEqual(reader.pos, 4)
42
43    def test_readTag(self):
44        reader = OTTableReader(deHexStr("46 6F 6F 64"))
45        self.assertEqual(reader.readTag(), "Food")
46        self.assertEqual(reader.pos, 4)
47
48    def test_readData(self):
49        reader = OTTableReader(deHexStr("48 65 6C 6C 6F"))
50        self.assertEqual(reader.readData(5), b"Hello")
51        self.assertEqual(reader.pos, 5)
52
53    def test_getSubReader(self):
54        reader = OTTableReader(deHexStr("CAFE F00D"))
55        sub = reader.getSubReader(2)
56        self.assertEqual(sub.readUShort(), 0xF00D)
57        self.assertEqual(reader.readUShort(), 0xCAFE)
58
59
60class OTTableWriterTest(unittest.TestCase):
61    def test_writeShort(self):
62        writer = OTTableWriter()
63        writer.writeShort(-12345)
64        self.assertEqual(writer.getData(), deHexStr("CF C7"))
65
66    def test_writeLong(self):
67        writer = OTTableWriter()
68        writer.writeLong(-12345678)
69        self.assertEqual(writer.getData(), deHexStr("FF 43 9E B2"))
70
71    def test_writeUInt8(self):
72        writer = OTTableWriter()
73        writer.writeUInt8(0xBE)
74        self.assertEqual(writer.getData(), deHexStr("BE"))
75
76    def test_writeUShort(self):
77        writer = OTTableWriter()
78        writer.writeUShort(0xBEEF)
79        self.assertEqual(writer.getData(), deHexStr("BE EF"))
80
81    def test_writeUInt24(self):
82        writer = OTTableWriter()
83        writer.writeUInt24(0xBEEF77)
84        self.assertEqual(writer.getData(), deHexStr("BE EF 77"))
85
86    def test_writeULong(self):
87        writer = OTTableWriter()
88        writer.writeULong(0xBEEFCAFE)
89        self.assertEqual(writer.getData(), deHexStr("BE EF CA FE"))
90
91
92if __name__ == "__main__":
93    import sys
94    sys.exit(unittest.main())
95