summaryrefslogtreecommitdiff
path: root/tests/format/symbol.py
blob: 0b5f0a1dcd53e63793872210fd3301a7d6d73ed8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
#!/usr/bin/python3-dbg
# -*- coding: utf-8 -*-


# Tests pour valider la gestion des symboles


from chrysacase import ChrysalideTestCase
from pychrysalide.arch import vmpa, mrange
from pychrysalide.format import BinSymbol


class TestBinarySymbols(ChrysalideTestCase):
    """TestCase for format.BinSymbol."""


    def testSymbolProperties(self):
        """Validate the basic properties of symbols."""

        saddr = vmpa(0x10, vmpa.VmpaSpecialValue.NO_VIRTUAL)
        srange = mrange(saddr, 0x3)
        symbol = BinSymbol(srange, BinSymbol.SymbolType.ENTRY_POINT)

        self.assertEqual(symbol.range.length, 0x3)

        symbol.range = mrange(saddr, 0x4)

        self.assertEqual(symbol.range.length, 0x4)

        self.assertEqual(symbol.stype, BinSymbol.SymbolType.ENTRY_POINT)

        symbol.stype = BinSymbol.SymbolType.DATA

        self.assertEqual(symbol.stype, BinSymbol.SymbolType.DATA)

        self.assertEqual(symbol.status, BinSymbol.SymbolStatus.INTERNAL)

        symbol.status = BinSymbol.SymbolStatus.EXPORTED

        self.assertEqual(symbol.status, BinSymbol.SymbolStatus.EXPORTED)

        self.assertEqual(symbol.label, None)

        symbol.label = 'AAA'

        self.assertEqual(symbol.label, 'AAA')

        symbol.label = None

        self.assertEqual(symbol.label, None)


    def testSymbolDefaultStatus(self):
        """Validate the default status for symbols."""

        saddr = vmpa(0x10, vmpa.VmpaSpecialValue.NO_VIRTUAL)
        srange = mrange(saddr, 0x3)
        symbol = BinSymbol(srange, BinSymbol.SymbolType.ENTRY_POINT)

        self.assertEqual(symbol.status, BinSymbol.SymbolStatus.INTERNAL)

        self.assertEqual(str(symbol.status), 'SymbolStatus.INTERNAL')


    def testSymbolFlags(self):
        """Play with symbol flags."""

        saddr = vmpa(0x10, vmpa.VmpaSpecialValue.NO_VIRTUAL)
        srange = mrange(saddr, 0x3)
        symbol = BinSymbol(srange, BinSymbol.SymbolType.ENTRY_POINT)

        self.assertEqual(symbol.flags, BinSymbol.SymbolFlag.NONE)

        ret = symbol.set_flag(BinSymbol.SymbolFlag.NONE)
        self.assertTrue(ret)

        ret = symbol.has_flag(BinSymbol.SymbolFlag.NONE)
        self.assertFalse(ret)

        ret = symbol.unset_flag(BinSymbol.SymbolFlag.NONE)
        self.assertFalse(ret)

        ret = symbol.set_flag(BinSymbol.SymbolFlag.HAS_NM_PREFIX)
        self.assertTrue(ret)

        ret = symbol.has_flag(BinSymbol.SymbolFlag.HAS_NM_PREFIX)
        self.assertTrue(ret)

        ret = symbol.unset_flag(BinSymbol.SymbolFlag.HAS_NM_PREFIX)
        self.assertTrue(ret)

        ret = symbol.has_flag(BinSymbol.SymbolFlag.HAS_NM_PREFIX)
        self.assertFalse(ret)


    def testSymbolComparison(self):
        """Compare symbols and check the result."""

        saddr = vmpa(0x100, vmpa.VmpaSpecialValue.NO_VIRTUAL)
        srange = mrange(saddr, 0x3)
        symbol0 = BinSymbol(srange, BinSymbol.SymbolType.ENTRY_POINT)

        saddr = vmpa(0x10, vmpa.VmpaSpecialValue.NO_VIRTUAL)
        srange = mrange(saddr, 0x3)
        symbol1 = BinSymbol(srange, BinSymbol.SymbolType.ENTRY_POINT)

        saddr = vmpa(0x100, vmpa.VmpaSpecialValue.NO_VIRTUAL)
        srange = mrange(saddr, 0x30)
        symbol2 = BinSymbol(srange, BinSymbol.SymbolType.ENTRY_POINT)

        self.assertTrue(symbol0 == symbol0)

        self.assertTrue(symbol0 > symbol1)

        self.assertTrue(symbol1 < symbol2)

        self.assertTrue(symbol0 == symbol2)


    def testSymbolSubclassing(self):
        """Verify the symbol subclassing is working."""

        class MySymbol(BinSymbol):
            def _get_label(self):
                return 'AAA'

        saddr = vmpa(0x100, vmpa.VmpaSpecialValue.NO_VIRTUAL)
        srange = mrange(saddr, 0x3)
        symbol = MySymbol(srange, BinSymbol.SymbolType.ENTRY_POINT)

        self.assertEqual(symbol.label, 'AAA')

        symbol.label = 'BBB'

        self.assertEqual(symbol.label, 'BBB')

        class MyOtherSymbol(BinSymbol):
            pass

        other = MyOtherSymbol(srange, BinSymbol.SymbolType.ENTRY_POINT)

        self.assertEqual(other.label, None)

        other.label = 'CCC'

        self.assertEqual(other.label, 'CCC')