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
|
# Copyright 2020 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
from mojom_parser_test_case import MojomParserTestCase
from mojom.generate import module as mojom
class ConstTest(MojomParserTestCase):
"""Tests constant parsing behavior."""
def testLiteralInt(self):
a_mojom = 'a.mojom'
self.WriteFile(a_mojom, 'const int32 k = 42;')
self.ParseMojoms([a_mojom])
a = self.LoadModule(a_mojom)
self.assertEqual(1, len(a.constants))
self.assertEqual('k', a.constants[0].mojom_name)
self.assertEqual('42', a.constants[0].value)
def testLiteralFloat(self):
a_mojom = 'a.mojom'
self.WriteFile(a_mojom, 'const float k = 42.5;')
self.ParseMojoms([a_mojom])
a = self.LoadModule(a_mojom)
self.assertEqual(1, len(a.constants))
self.assertEqual('k', a.constants[0].mojom_name)
self.assertEqual('42.5', a.constants[0].value)
def testLiteralString(self):
a_mojom = 'a.mojom'
self.WriteFile(a_mojom, 'const string k = "woot";')
self.ParseMojoms([a_mojom])
a = self.LoadModule(a_mojom)
self.assertEqual(1, len(a.constants))
self.assertEqual('k', a.constants[0].mojom_name)
self.assertEqual('"woot"', a.constants[0].value)
def testEnumConstant(self):
a_mojom = 'a.mojom'
self.WriteFile(a_mojom, 'module a; enum E { kA = 41, kB };')
b_mojom = 'b.mojom'
self.WriteFile(
b_mojom, """\
import "a.mojom";
const a.E kE1 = a.E.kB;
// We also allow value names to be unqualified, implying scope from the
// constant's type.
const a.E kE2 = kB;
""")
self.ParseMojoms([a_mojom, b_mojom])
a = self.LoadModule(a_mojom)
b = self.LoadModule(b_mojom)
self.assertEqual(1, len(a.enums))
self.assertEqual('E', a.enums[0].mojom_name)
self.assertEqual(2, len(b.constants))
self.assertEqual('kE1', b.constants[0].mojom_name)
self.assertEqual(a.enums[0], b.constants[0].kind)
self.assertEqual(a.enums[0].fields[1], b.constants[0].value.field)
self.assertEqual(42, b.constants[0].value.field.numeric_value)
self.assertEqual('kE2', b.constants[1].mojom_name)
self.assertEqual(a.enums[0].fields[1], b.constants[1].value.field)
self.assertEqual(42, b.constants[1].value.field.numeric_value)
def testConstantReference(self):
a_mojom = 'a.mojom'
self.WriteFile(a_mojom, 'const int32 kA = 42; const int32 kB = kA;')
self.ParseMojoms([a_mojom])
a = self.LoadModule(a_mojom)
self.assertEqual(2, len(a.constants))
self.assertEqual('kA', a.constants[0].mojom_name)
self.assertEqual('42', a.constants[0].value)
self.assertEqual('kB', a.constants[1].mojom_name)
self.assertEqual('42', a.constants[1].value)
def testImportedConstantReference(self):
a_mojom = 'a.mojom'
self.WriteFile(a_mojom, 'const int32 kA = 42;')
b_mojom = 'b.mojom'
self.WriteFile(b_mojom, 'import "a.mojom"; const int32 kB = kA;')
self.ParseMojoms([a_mojom, b_mojom])
a = self.LoadModule(a_mojom)
b = self.LoadModule(b_mojom)
self.assertEqual(1, len(a.constants))
self.assertEqual(1, len(b.constants))
self.assertEqual('kA', a.constants[0].mojom_name)
self.assertEqual('42', a.constants[0].value)
self.assertEqual('kB', b.constants[0].mojom_name)
self.assertEqual('42', b.constants[0].value)
|
