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https://github.com/JakeHillion/drgn.git
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6c264b0eae
For types obtained from DWARF, we determine it from the language of the CU. For other types, it can be specified manually or fall back to the default (C). Then, we can use the language for operations where the type is available.
1328 lines
45 KiB
Python
1328 lines
45 KiB
Python
import unittest
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from drgn import (
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Language,
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PrimitiveType,
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Qualifiers,
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TypeEnumerator,
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TypeKind,
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TypeMember,
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TypeParameter,
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array_type,
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bool_type,
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class_type,
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complex_type,
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enum_type,
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float_type,
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function_type,
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int_type,
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pointer_type,
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sizeof,
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struct_type,
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typedef_type,
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union_type,
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void_type,
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)
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from tests import DEFAULT_LANGUAGE
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class TestType(unittest.TestCase):
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def test_void(self):
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t = void_type()
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self.assertEqual(t.kind, TypeKind.VOID)
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self.assertEqual(t.primitive, PrimitiveType.C_VOID)
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self.assertEqual(t.language, DEFAULT_LANGUAGE)
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self.assertEqual(t, void_type())
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self.assertFalse(t.is_complete())
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self.assertEqual(repr(t), "void_type()")
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def test_int(self):
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t = int_type("int", 4, True)
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self.assertEqual(t.kind, TypeKind.INT)
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self.assertEqual(t.primitive, PrimitiveType.C_INT)
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self.assertEqual(t.language, DEFAULT_LANGUAGE)
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self.assertEqual(t.name, "int")
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self.assertEqual(t.size, 4)
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self.assertTrue(t.is_signed)
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self.assertTrue(t.is_complete())
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self.assertEqual(t, int_type("int", 4, True))
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self.assertNotEqual(t, int_type("long", 4, True))
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self.assertNotEqual(t, int_type("int", 2, True))
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self.assertNotEqual(t, int_type("int", 4, False))
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self.assertEqual(repr(t), "int_type(name='int', size=4, is_signed=True)")
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self.assertEqual(sizeof(t), 4)
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self.assertRaises(TypeError, int_type, None, 4, True)
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self.assertIsNone(int_type("my_int", 4, True).primitive)
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self.assertIsNone(int_type("int", 4, False).primitive)
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def test_bool(self):
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t = bool_type("_Bool", 1)
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self.assertEqual(t.kind, TypeKind.BOOL)
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self.assertEqual(t.primitive, PrimitiveType.C_BOOL)
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self.assertEqual(t.language, DEFAULT_LANGUAGE)
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self.assertEqual(t.name, "_Bool")
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self.assertEqual(t.size, 1)
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self.assertTrue(t.is_complete())
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self.assertEqual(t, bool_type("_Bool", 1))
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self.assertNotEqual(t, bool_type("bool", 1))
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self.assertNotEqual(t, bool_type("_Bool", 2))
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self.assertEqual(repr(t), "bool_type(name='_Bool', size=1)")
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self.assertEqual(sizeof(t), 1)
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self.assertRaises(TypeError, bool_type, None, 1)
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def test_float(self):
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t = float_type("float", 4)
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self.assertEqual(t.primitive, PrimitiveType.C_FLOAT)
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self.assertEqual(t.kind, TypeKind.FLOAT)
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self.assertEqual(t.name, "float")
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self.assertEqual(t.size, 4)
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self.assertTrue(t.is_complete())
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self.assertEqual(t, float_type("float", 4))
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self.assertNotEqual(t, float_type("double", 4))
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self.assertNotEqual(t, float_type("float", 8))
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self.assertEqual(repr(t), "float_type(name='float', size=4)")
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self.assertEqual(sizeof(t), 4)
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self.assertRaises(TypeError, float_type, None, 4)
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def test_complex(self):
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t = complex_type("double _Complex", 16, float_type("double", 8))
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self.assertEqual(t.kind, TypeKind.COMPLEX)
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self.assertIsNone(t.primitive)
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self.assertEqual(t.language, DEFAULT_LANGUAGE)
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self.assertEqual(t.name, "double _Complex")
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self.assertEqual(t.size, 16)
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self.assertEqual(t.type, float_type("double", 8))
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self.assertTrue(t.is_complete())
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self.assertEqual(
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t, complex_type("double _Complex", 16, float_type("double", 8))
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)
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self.assertNotEqual(
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t, complex_type("float _Complex", 16, float_type("double", 8))
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)
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self.assertNotEqual(
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t, complex_type("double _Complex", 32, float_type("double", 8))
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)
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self.assertNotEqual(
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t, complex_type("double _Complex", 16, float_type("float", 4))
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)
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self.assertEqual(
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repr(t),
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"complex_type(name='double _Complex', size=16, type=float_type(name='double', size=8))",
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)
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self.assertEqual(sizeof(t), 16)
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self.assertRaises(TypeError, complex_type, None, 16, float_type("double", 8))
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self.assertRaises(TypeError, complex_type, "double _Complex", 16, None)
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self.assertRaisesRegex(
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ValueError,
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"must be floating-point or integer type",
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complex_type,
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"double _Complex",
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16,
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void_type(),
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)
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self.assertRaisesRegex(
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ValueError,
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"must be unqualified",
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complex_type,
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"double _Complex",
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16,
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float_type("double", 8, Qualifiers.CONST),
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)
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def test_struct(self):
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t = struct_type(
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"point",
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8,
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(
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TypeMember(int_type("int", 4, True), "x", 0),
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TypeMember(int_type("int", 4, True), "y", 32),
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),
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)
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self.assertEqual(t.kind, TypeKind.STRUCT)
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self.assertIsNone(t.primitive)
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self.assertEqual(t.language, DEFAULT_LANGUAGE)
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self.assertEqual(t.tag, "point")
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self.assertEqual(t.size, 8)
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self.assertEqual(
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t.members,
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(
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TypeMember(int_type("int", 4, True), "x", 0, 0),
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TypeMember(int_type("int", 4, True), "y", 32, 0),
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),
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)
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self.assertTrue(t.is_complete())
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self.assertEqual(
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t,
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struct_type(
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"point",
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8,
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(
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TypeMember(int_type("int", 4, True), "x", 0),
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TypeMember(int_type("int", 4, True), "y", 32),
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),
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),
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)
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# Different tag.
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self.assertNotEqual(
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t,
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struct_type(
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"pt",
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8,
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(
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TypeMember(int_type("int", 4, True), "x", 0),
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TypeMember(int_type("int", 4, True), "y", 32),
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),
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),
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)
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# Different size.
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self.assertNotEqual(
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t,
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struct_type(
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"point",
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16,
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(
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TypeMember(int_type("int", 4, True), "x", 0),
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TypeMember(int_type("int", 4, True), "y", 32),
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),
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),
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)
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# One is anonymous.
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self.assertNotEqual(
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t,
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struct_type(
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None,
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8,
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(
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TypeMember(int_type("int", 4, True), "x", 0),
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TypeMember(int_type("int", 4, True), "y", 32),
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),
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),
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)
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# Different members.
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self.assertNotEqual(
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t,
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struct_type(
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"point",
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8,
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(
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TypeMember(int_type("long", 8, True), "x", 0),
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TypeMember(int_type("long", 8, True), "y", 64),
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),
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),
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)
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# Different number of members.
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self.assertNotEqual(
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t,
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struct_type(
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"point",
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8,
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(
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TypeMember(int_type("int", 4, True), "x", 0),
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TypeMember(int_type("int", 4, True), "y", 32),
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TypeMember(int_type("int", 4, True), "z", 64),
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),
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),
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)
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# One member is anonymous.
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self.assertNotEqual(
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t,
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struct_type(
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"point",
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8,
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(
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TypeMember(int_type("int", 4, True), "x", 0),
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TypeMember(int_type("int", 4, True), None, 32),
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),
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),
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)
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# One is incomplete.
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self.assertNotEqual(t, struct_type("point"))
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self.assertEqual(
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repr(t),
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"struct_type(tag='point', size=8, members=(TypeMember(type=int_type(name='int', size=4, is_signed=True), name='x', bit_offset=0), TypeMember(type=int_type(name='int', size=4, is_signed=True), name='y', bit_offset=32)))",
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)
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self.assertEqual(sizeof(t), 8)
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t = struct_type(
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None,
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8,
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(
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TypeMember(int_type("int", 4, True), "x", 0),
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TypeMember(int_type("int", 4, True), "y", 32),
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),
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)
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self.assertEqual(t.kind, TypeKind.STRUCT)
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self.assertIsNone(t.primitive)
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self.assertIsNone(t.tag)
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self.assertEqual(t.size, 8)
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self.assertEqual(
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t.members,
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(
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TypeMember(int_type("int", 4, True), "x", 0, 0),
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TypeMember(int_type("int", 4, True), "y", 32, 0),
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),
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)
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self.assertTrue(t.is_complete())
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t = struct_type("color", 0, ())
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self.assertEqual(t.kind, TypeKind.STRUCT)
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self.assertIsNone(t.primitive)
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self.assertEqual(t.tag, "color")
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self.assertEqual(t.size, 0)
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self.assertEqual(t.members, ())
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self.assertTrue(t.is_complete())
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self.assertEqual(repr(t), "struct_type(tag='color', size=0, members=())")
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t = struct_type("color")
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self.assertEqual(t.kind, TypeKind.STRUCT)
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self.assertIsNone(t.primitive)
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self.assertEqual(t.tag, "color")
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self.assertIsNone(t.size)
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self.assertIsNone(t.members)
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self.assertFalse(t.is_complete())
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self.assertEqual(repr(t), "struct_type(tag='color', size=None, members=None)")
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t = struct_type(None, None, None)
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self.assertEqual(t.kind, TypeKind.STRUCT)
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self.assertIsNone(t.primitive)
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self.assertEqual(t.tag, None)
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self.assertIsNone(t.size)
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self.assertIsNone(t.members)
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self.assertFalse(t.is_complete())
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self.assertEqual(repr(t), "struct_type(tag=None, size=None, members=None)")
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self.assertRaises(TypeError, struct_type, 4)
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self.assertRaisesRegex(
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ValueError, "must not have size", struct_type, "point", 8, None
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)
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self.assertRaisesRegex(
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ValueError, "must have size", struct_type, "point", None, ()
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)
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self.assertRaisesRegex(
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TypeError, "must be sequence or None", struct_type, "point", 8, 4
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)
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self.assertRaisesRegex(
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TypeError, "must be TypeMember", struct_type, "point", 8, (4,)
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)
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# Bit size.
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t = struct_type(
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"point",
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8,
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(
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TypeMember(int_type("int", 4, True), "x", 0, 4),
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TypeMember(int_type("int", 4, True), "y", 32, 4),
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),
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)
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self.assertEqual(
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t.members,
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(
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TypeMember(int_type("int", 4, True), "x", 0, 4),
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TypeMember(int_type("int", 4, True), "y", 32, 4),
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),
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)
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def test_union(self):
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t = union_type(
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"option",
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4,
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(
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TypeMember(int_type("int", 4, True), "x"),
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TypeMember(int_type("unsigned int", 4, False), "y"),
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),
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)
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self.assertEqual(t.kind, TypeKind.UNION)
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self.assertIsNone(t.primitive)
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self.assertEqual(t.language, DEFAULT_LANGUAGE)
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self.assertEqual(t.tag, "option")
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self.assertEqual(t.size, 4)
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self.assertEqual(
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t.members,
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(
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TypeMember(int_type("int", 4, True), "x", 0, 0),
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TypeMember(int_type("unsigned int", 4, False), "y", 0, 0),
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),
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)
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self.assertTrue(t.is_complete())
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self.assertEqual(
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t,
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union_type(
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"option",
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4,
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(
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TypeMember(int_type("int", 4, True), "x"),
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TypeMember(int_type("unsigned int", 4, False), "y"),
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),
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),
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)
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# Different tag.
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self.assertNotEqual(
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t,
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union_type(
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"pt",
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4,
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(
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TypeMember(int_type("int", 4, True), "x"),
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TypeMember(int_type("unsigned int", 4, False), "y"),
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),
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),
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)
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# Different size.
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self.assertNotEqual(
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t,
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union_type(
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"option",
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8,
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(
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TypeMember(int_type("int", 4, True), "x"),
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TypeMember(int_type("unsigned int", 4, False), "y"),
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),
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),
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)
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# One is anonymous.
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self.assertNotEqual(
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t,
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union_type(
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None,
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4,
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(
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TypeMember(int_type("int", 4, True), "x"),
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TypeMember(int_type("unsigned int", 4, False), "y"),
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),
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),
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)
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# Different members.
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self.assertNotEqual(
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t,
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union_type(
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"option",
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4,
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(
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TypeMember(int_type("long", 8, True), "x"),
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TypeMember(int_type("unsigned long", 8, False), "y"),
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),
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),
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)
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# Different number of members.
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self.assertNotEqual(
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t,
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union_type(
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"option",
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4,
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(
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TypeMember(int_type("int", 4, True), "x"),
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TypeMember(int_type("unsigned int", 4, False), "y"),
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TypeMember(float_type("float", 4), "z"),
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),
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),
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)
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# One member is anonymous.
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self.assertNotEqual(
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t,
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union_type(
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"option",
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4,
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|
(
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TypeMember(int_type("int", 4, True), "x"),
|
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TypeMember(int_type("unsigned int", 4, False),),
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),
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),
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)
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# One is incomplete.
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self.assertNotEqual(t, union_type("option"))
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|
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self.assertEqual(
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repr(t),
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"union_type(tag='option', size=4, members=(TypeMember(type=int_type(name='int', size=4, is_signed=True), name='x', bit_offset=0), TypeMember(type=int_type(name='unsigned int', size=4, is_signed=False), name='y', bit_offset=0)))",
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)
|
|
self.assertEqual(sizeof(t), 4)
|
|
|
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t = union_type(
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None,
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4,
|
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(
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TypeMember(int_type("int", 4, True), "x"),
|
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TypeMember(int_type("unsigned int", 4, False), "y"),
|
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),
|
|
)
|
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self.assertEqual(t.kind, TypeKind.UNION)
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self.assertIsNone(t.primitive)
|
|
self.assertIsNone(t.tag)
|
|
self.assertEqual(t.size, 4)
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self.assertEqual(
|
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t.members,
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|
(
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TypeMember(int_type("int", 4, True), "x", 0, 0),
|
|
TypeMember(int_type("unsigned int", 4, False), "y", 0, 0),
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),
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)
|
|
self.assertTrue(t.is_complete())
|
|
|
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t = union_type("color", 0, ())
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|
self.assertEqual(t.kind, TypeKind.UNION)
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self.assertIsNone(t.primitive)
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|
self.assertEqual(t.tag, "color")
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self.assertEqual(t.size, 0)
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self.assertEqual(t.members, ())
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self.assertTrue(t.is_complete())
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|
self.assertEqual(repr(t), "union_type(tag='color', size=0, members=())")
|
|
|
|
t = union_type("color")
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|
self.assertEqual(t.kind, TypeKind.UNION)
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self.assertIsNone(t.primitive)
|
|
self.assertEqual(t.tag, "color")
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self.assertIsNone(t.size)
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self.assertIsNone(t.members)
|
|
self.assertFalse(t.is_complete())
|
|
self.assertEqual(repr(t), "union_type(tag='color', size=None, members=None)")
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|
|
|
t = union_type(None, None, None)
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self.assertEqual(t.kind, TypeKind.UNION)
|
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self.assertIsNone(t.primitive)
|
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self.assertEqual(t.tag, None)
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|
self.assertIsNone(t.size)
|
|
self.assertIsNone(t.members)
|
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self.assertFalse(t.is_complete())
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self.assertEqual(repr(t), "union_type(tag=None, size=None, members=None)")
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|
|
|
self.assertRaises(TypeError, union_type, 4)
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|
self.assertRaisesRegex(
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|
ValueError, "must not have size", union_type, "option", 8, None
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|
)
|
|
self.assertRaisesRegex(
|
|
ValueError, "must have size", union_type, "option", None, ()
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)
|
|
self.assertRaisesRegex(
|
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TypeError, "must be sequence or None", union_type, "option", 8, 4
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)
|
|
self.assertRaisesRegex(
|
|
TypeError, "must be TypeMember", union_type, "option", 8, (4,)
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)
|
|
|
|
# Bit size.
|
|
t = union_type(
|
|
"option",
|
|
4,
|
|
(
|
|
TypeMember(int_type("int", 4, True), "x", 0, 4),
|
|
TypeMember(int_type("unsigned int", 4, False), "y", 0, 4),
|
|
),
|
|
)
|
|
self.assertEqual(
|
|
t.members,
|
|
(
|
|
TypeMember(int_type("int", 4, True), "x", 0, 4),
|
|
TypeMember(int_type("unsigned int", 4, False), "y", 0, 4),
|
|
),
|
|
)
|
|
|
|
def test_class(self):
|
|
t = class_type(
|
|
"coord",
|
|
12,
|
|
(
|
|
TypeMember(int_type("int", 4, True), "x", 0),
|
|
TypeMember(int_type("int", 4, True), "y", 32),
|
|
TypeMember(int_type("int", 4, True), "z", 64),
|
|
),
|
|
)
|
|
self.assertEqual(t.kind, TypeKind.CLASS)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertEqual(t.language, DEFAULT_LANGUAGE)
|
|
self.assertEqual(t.tag, "coord")
|
|
self.assertEqual(t.size, 12)
|
|
self.assertEqual(
|
|
t.members,
|
|
(
|
|
TypeMember(int_type("int", 4, True), "x", 0, 0),
|
|
TypeMember(int_type("int", 4, True), "y", 32, 0),
|
|
TypeMember(int_type("int", 4, True), "z", 64, 0),
|
|
),
|
|
)
|
|
self.assertTrue(t.is_complete())
|
|
|
|
self.assertEqual(
|
|
t,
|
|
class_type(
|
|
"coord",
|
|
12,
|
|
(
|
|
TypeMember(int_type("int", 4, True), "x", 0),
|
|
TypeMember(int_type("int", 4, True), "y", 32),
|
|
TypeMember(int_type("int", 4, True), "z", 64),
|
|
),
|
|
),
|
|
)
|
|
# Different tag.
|
|
self.assertNotEqual(
|
|
t,
|
|
class_type(
|
|
"crd",
|
|
12,
|
|
(
|
|
TypeMember(int_type("int", 4, True), "x", 0),
|
|
TypeMember(int_type("int", 4, True), "y", 32),
|
|
TypeMember(int_type("int", 4, True), "z", 64),
|
|
),
|
|
),
|
|
)
|
|
# Different size.
|
|
self.assertNotEqual(
|
|
t,
|
|
class_type(
|
|
"coord",
|
|
16,
|
|
(
|
|
TypeMember(int_type("int", 4, True), "x", 0),
|
|
TypeMember(int_type("int", 4, True), "y", 32),
|
|
TypeMember(int_type("int", 4, True), "z", 64),
|
|
),
|
|
),
|
|
)
|
|
# One is anonymous.
|
|
self.assertNotEqual(
|
|
t,
|
|
class_type(
|
|
None,
|
|
12,
|
|
(
|
|
TypeMember(int_type("int", 4, True), "x", 0),
|
|
TypeMember(int_type("int", 4, True), "y", 32),
|
|
TypeMember(int_type("int", 4, True), "z", 64),
|
|
),
|
|
),
|
|
)
|
|
# Different members.
|
|
self.assertNotEqual(
|
|
t,
|
|
class_type(
|
|
"coord",
|
|
12,
|
|
(
|
|
TypeMember(int_type("long", 8, True), "x", 0),
|
|
TypeMember(int_type("long", 8, True), "y", 64),
|
|
TypeMember(int_type("long", 8, True), "z", 128),
|
|
),
|
|
),
|
|
)
|
|
# Different number of members.
|
|
self.assertNotEqual(
|
|
t,
|
|
class_type(
|
|
"coord",
|
|
12,
|
|
(
|
|
TypeMember(int_type("int", 4, True), "x", 0),
|
|
TypeMember(int_type("int", 4, True), "y", 32),
|
|
),
|
|
),
|
|
)
|
|
# One member is anonymous.
|
|
self.assertNotEqual(
|
|
t,
|
|
class_type(
|
|
"coord",
|
|
8,
|
|
(
|
|
TypeMember(int_type("int", 4, True), "x", 0, 0),
|
|
TypeMember(int_type("int", 4, True), None, 32, 0),
|
|
TypeMember(int_type("int", 4, True), "z", 64, 0),
|
|
),
|
|
),
|
|
)
|
|
# One is incomplete.
|
|
self.assertNotEqual(t, class_type("coord"))
|
|
|
|
self.assertEqual(
|
|
repr(t),
|
|
"class_type(tag='coord', size=12, members=(TypeMember(type=int_type(name='int', size=4, is_signed=True), name='x', bit_offset=0), TypeMember(type=int_type(name='int', size=4, is_signed=True), name='y', bit_offset=32), TypeMember(type=int_type(name='int', size=4, is_signed=True), name='z', bit_offset=64)))",
|
|
)
|
|
self.assertEqual(sizeof(t), 12)
|
|
|
|
t = class_type(
|
|
None,
|
|
12,
|
|
(
|
|
TypeMember(int_type("int", 4, True), "x", 0),
|
|
TypeMember(int_type("int", 4, True), "y", 32),
|
|
TypeMember(int_type("int", 4, True), "z", 64),
|
|
),
|
|
)
|
|
self.assertEqual(t.kind, TypeKind.CLASS)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertIsNone(t.tag)
|
|
self.assertEqual(t.size, 12)
|
|
self.assertEqual(
|
|
t.members,
|
|
(
|
|
TypeMember(int_type("int", 4, True), "x", 0, 0),
|
|
TypeMember(int_type("int", 4, True), "y", 32, 0),
|
|
TypeMember(int_type("int", 4, True), "z", 64, 0),
|
|
),
|
|
)
|
|
self.assertTrue(t.is_complete())
|
|
|
|
t = class_type("color", 0, ())
|
|
self.assertEqual(t.kind, TypeKind.CLASS)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertEqual(t.tag, "color")
|
|
self.assertEqual(t.size, 0)
|
|
self.assertEqual(t.members, ())
|
|
self.assertTrue(t.is_complete())
|
|
self.assertEqual(repr(t), "class_type(tag='color', size=0, members=())")
|
|
|
|
t = class_type("color")
|
|
self.assertEqual(t.kind, TypeKind.CLASS)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertEqual(t.tag, "color")
|
|
self.assertIsNone(t.size)
|
|
self.assertIsNone(t.members)
|
|
self.assertFalse(t.is_complete())
|
|
self.assertEqual(repr(t), "class_type(tag='color', size=None, members=None)")
|
|
|
|
t = class_type(None, None, None)
|
|
self.assertEqual(t.kind, TypeKind.CLASS)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertEqual(t.tag, None)
|
|
self.assertIsNone(t.size)
|
|
self.assertIsNone(t.members)
|
|
self.assertFalse(t.is_complete())
|
|
self.assertEqual(repr(t), "class_type(tag=None, size=None, members=None)")
|
|
|
|
self.assertRaises(TypeError, class_type, 4)
|
|
self.assertRaisesRegex(
|
|
ValueError, "must not have size", class_type, "coord", 12, None
|
|
)
|
|
self.assertRaisesRegex(
|
|
ValueError, "must have size", class_type, "coord", None, ()
|
|
)
|
|
self.assertRaisesRegex(
|
|
TypeError, "must be sequence or None", class_type, "coord", 12, 4
|
|
)
|
|
self.assertRaisesRegex(
|
|
TypeError, "must be TypeMember", class_type, "coord", 12, (4,)
|
|
)
|
|
|
|
# Bit size.
|
|
t = class_type(
|
|
"coord",
|
|
12,
|
|
(
|
|
TypeMember(int_type("int", 4, True), "x", 0, 4),
|
|
TypeMember(int_type("int", 4, True), "y", 32, 4),
|
|
TypeMember(int_type("int", 4, True), "z", 64, 4),
|
|
),
|
|
)
|
|
self.assertEqual(
|
|
t.members,
|
|
(
|
|
TypeMember(int_type("int", 4, True), "x", 0, 4),
|
|
TypeMember(int_type("int", 4, True), "y", 32, 4),
|
|
TypeMember(int_type("int", 4, True), "z", 64, 4),
|
|
),
|
|
)
|
|
|
|
def test_enum(self):
|
|
t = enum_type(
|
|
"color",
|
|
int_type("unsigned int", 4, False),
|
|
(
|
|
TypeEnumerator("RED", 0),
|
|
TypeEnumerator("GREEN", 1),
|
|
TypeEnumerator("BLUE", 2),
|
|
),
|
|
)
|
|
self.assertEqual(t.kind, TypeKind.ENUM)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertEqual(t.language, DEFAULT_LANGUAGE)
|
|
self.assertEqual(t.tag, "color")
|
|
self.assertEqual(t.type, int_type("unsigned int", 4, False))
|
|
self.assertEqual(
|
|
t.enumerators,
|
|
(
|
|
TypeEnumerator("RED", 0),
|
|
TypeEnumerator("GREEN", 1),
|
|
TypeEnumerator("BLUE", 2),
|
|
),
|
|
)
|
|
self.assertTrue(t.is_complete())
|
|
|
|
self.assertEqual(
|
|
t,
|
|
enum_type(
|
|
"color",
|
|
int_type("unsigned int", 4, False),
|
|
(
|
|
TypeEnumerator("RED", 0),
|
|
TypeEnumerator("GREEN", 1),
|
|
TypeEnumerator("BLUE", 2),
|
|
),
|
|
),
|
|
)
|
|
# Different tag.
|
|
self.assertNotEqual(
|
|
t,
|
|
enum_type(
|
|
"COLOR",
|
|
int_type("unsigned int", 4, False),
|
|
(
|
|
TypeEnumerator("RED", 0),
|
|
TypeEnumerator("GREEN", 1),
|
|
TypeEnumerator("BLUE", 2),
|
|
),
|
|
),
|
|
)
|
|
# One is anonymous.
|
|
self.assertNotEqual(
|
|
t,
|
|
enum_type(
|
|
None,
|
|
int_type("unsigned int", 4, False),
|
|
(
|
|
TypeEnumerator("RED", 0),
|
|
TypeEnumerator("GREEN", 1),
|
|
TypeEnumerator("BLUE", 2),
|
|
),
|
|
),
|
|
)
|
|
# Different compatible type.
|
|
self.assertNotEqual(
|
|
t,
|
|
enum_type(
|
|
"color",
|
|
int_type("int", 4, True),
|
|
(
|
|
TypeEnumerator("RED", 0),
|
|
TypeEnumerator("GREEN", 1),
|
|
TypeEnumerator("BLUE", 2),
|
|
),
|
|
),
|
|
)
|
|
# Different enumerators.
|
|
self.assertNotEqual(
|
|
t,
|
|
enum_type(
|
|
"color",
|
|
int_type("unsigned int", 4, False),
|
|
(
|
|
TypeEnumerator("RED", 0),
|
|
TypeEnumerator("YELLOW", 1),
|
|
TypeEnumerator("BLUE", 2),
|
|
),
|
|
),
|
|
)
|
|
# Different number of enumerators.
|
|
self.assertNotEqual(
|
|
t,
|
|
enum_type(
|
|
"color",
|
|
int_type("unsigned int", 4, False),
|
|
(TypeEnumerator("RED", 0), TypeEnumerator("GREEN", 1)),
|
|
),
|
|
)
|
|
# One is incomplete.
|
|
self.assertNotEqual(t, enum_type("color"))
|
|
|
|
self.assertEqual(
|
|
repr(t),
|
|
"enum_type(tag='color', type=int_type(name='unsigned int', size=4, is_signed=False), enumerators=(TypeEnumerator('RED', 0), TypeEnumerator('GREEN', 1), TypeEnumerator('BLUE', 2)))",
|
|
)
|
|
self.assertEqual(sizeof(t), 4)
|
|
|
|
t = enum_type("color", None, None)
|
|
self.assertEqual(t.kind, TypeKind.ENUM)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertEqual(t.tag, "color")
|
|
self.assertIsNone(t.type)
|
|
self.assertIsNone(t.enumerators)
|
|
self.assertFalse(t.is_complete())
|
|
|
|
self.assertEqual(repr(t), "enum_type(tag='color', type=None, enumerators=None)")
|
|
|
|
# A type with no enumerators isn't valid in C, but we allow it.
|
|
t = enum_type("color", int_type("unsigned int", 4, False), ())
|
|
self.assertEqual(t.kind, TypeKind.ENUM)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertEqual(t.tag, "color")
|
|
self.assertEqual(t.type, int_type("unsigned int", 4, False))
|
|
self.assertEqual(t.enumerators, ())
|
|
self.assertTrue(t.is_complete())
|
|
|
|
self.assertEqual(
|
|
repr(t),
|
|
"enum_type(tag='color', type=int_type(name='unsigned int', size=4, is_signed=False), enumerators=())",
|
|
)
|
|
|
|
self.assertRaisesRegex(TypeError, "must be Type", enum_type, "color", 4, ())
|
|
self.assertRaisesRegex(
|
|
ValueError, "must be integer type", enum_type, "color", void_type(), ()
|
|
)
|
|
self.assertRaisesRegex(
|
|
ValueError,
|
|
"must be unqualified",
|
|
enum_type,
|
|
"color",
|
|
int_type("unsigned int", 4, True, Qualifiers.CONST),
|
|
(),
|
|
)
|
|
self.assertRaisesRegex(
|
|
ValueError,
|
|
"must not have compatible type",
|
|
enum_type,
|
|
"color",
|
|
int_type("unsigned int", 4, False),
|
|
None,
|
|
)
|
|
self.assertRaisesRegex(
|
|
ValueError, "must have compatible type", enum_type, "color", None, ()
|
|
)
|
|
self.assertRaisesRegex(
|
|
TypeError,
|
|
"must be sequence or None",
|
|
enum_type,
|
|
"color",
|
|
int_type("unsigned int", 4, False),
|
|
4,
|
|
)
|
|
self.assertRaisesRegex(
|
|
TypeError,
|
|
"must be TypeEnumerator",
|
|
enum_type,
|
|
"color",
|
|
int_type("unsigned int", 4, False),
|
|
(4,),
|
|
)
|
|
|
|
def test_typedef(self):
|
|
t = typedef_type("INT", int_type("int", 4, True))
|
|
self.assertEqual(t.kind, TypeKind.TYPEDEF)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertEqual(t.language, DEFAULT_LANGUAGE)
|
|
self.assertEqual(t.name, "INT")
|
|
self.assertEqual(t.type, int_type("int", 4, True))
|
|
self.assertTrue(t.is_complete())
|
|
|
|
self.assertEqual(t, typedef_type("INT", int_type("int", 4, True)))
|
|
# Qualified type argument.
|
|
self.assertEqual(t, typedef_type("INT", int_type("int", 4, True)))
|
|
# Different name.
|
|
self.assertNotEqual(t, typedef_type("integer", int_type("int", 4, True)))
|
|
# Different type.
|
|
self.assertNotEqual(
|
|
t, typedef_type("integer", int_type("unsigned int", 4, False))
|
|
)
|
|
self.assertNotEqual(
|
|
t, typedef_type("INT", int_type("int", 4, True, Qualifiers.CONST))
|
|
)
|
|
|
|
self.assertEqual(
|
|
repr(t),
|
|
"typedef_type(name='INT', type=int_type(name='int', size=4, is_signed=True))",
|
|
)
|
|
self.assertEqual(sizeof(t), 4)
|
|
|
|
t = typedef_type("VOID", void_type())
|
|
self.assertFalse(t.is_complete())
|
|
|
|
self.assertRaises(TypeError, typedef_type, None, int_type("int", 4, True))
|
|
self.assertRaises(TypeError, typedef_type, "INT", 4)
|
|
|
|
self.assertEqual(
|
|
typedef_type("size_t", int_type("unsigned long", 8, False)).primitive,
|
|
PrimitiveType.C_SIZE_T,
|
|
)
|
|
self.assertEqual(
|
|
typedef_type("ptrdiff_t", int_type("long", 8, True)).primitive,
|
|
PrimitiveType.C_PTRDIFF_T,
|
|
)
|
|
|
|
def test_pointer(self):
|
|
t = pointer_type(8, int_type("int", 4, True))
|
|
self.assertEqual(t.kind, TypeKind.POINTER)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertEqual(t.language, DEFAULT_LANGUAGE)
|
|
self.assertEqual(t.size, 8)
|
|
self.assertEqual(t.type, int_type("int", 4, True))
|
|
self.assertTrue(t.is_complete())
|
|
|
|
self.assertEqual(t, pointer_type(8, int_type("int", 4, True)))
|
|
# Qualified type argument.
|
|
self.assertEqual(t, pointer_type(8, int_type("int", 4, True)))
|
|
# Different size.
|
|
self.assertNotEqual(t, pointer_type(4, int_type("int", 4, True)))
|
|
# Different type.
|
|
self.assertNotEqual(t, pointer_type(8, void_type()))
|
|
self.assertNotEqual(t, pointer_type(8, void_type(Qualifiers.CONST)))
|
|
|
|
self.assertEqual(
|
|
repr(t),
|
|
"pointer_type(size=8, type=int_type(name='int', size=4, is_signed=True))",
|
|
)
|
|
self.assertEqual(sizeof(t), 8)
|
|
|
|
self.assertRaises(TypeError, pointer_type, None, int_type("int", 4, True))
|
|
self.assertRaises(TypeError, pointer_type, 8, 4)
|
|
|
|
def test_array(self):
|
|
t = array_type(10, int_type("int", 4, True))
|
|
self.assertEqual(t.kind, TypeKind.ARRAY)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertEqual(t.language, DEFAULT_LANGUAGE)
|
|
self.assertEqual(t.length, 10)
|
|
self.assertEqual(t.type, int_type("int", 4, True))
|
|
self.assertTrue(t.is_complete())
|
|
|
|
self.assertEqual(t, array_type(10, int_type("int", 4, True)))
|
|
# Qualified type argument.
|
|
self.assertEqual(t, array_type(10, int_type("int", 4, True)))
|
|
# Different length.
|
|
self.assertNotEqual(t, array_type(4, int_type("int", 4, True)))
|
|
# Different type.
|
|
self.assertNotEqual(t, array_type(10, void_type()))
|
|
self.assertNotEqual(t, array_type(10, void_type(Qualifiers.CONST)))
|
|
|
|
self.assertEqual(
|
|
repr(t),
|
|
"array_type(length=10, type=int_type(name='int', size=4, is_signed=True))",
|
|
)
|
|
self.assertEqual(sizeof(t), 40)
|
|
|
|
t = array_type(0, int_type("int", 4, True))
|
|
self.assertEqual(t.kind, TypeKind.ARRAY)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertEqual(t.length, 0)
|
|
self.assertEqual(t.type, int_type("int", 4, True))
|
|
self.assertTrue(t.is_complete())
|
|
|
|
t = array_type(None, int_type("int", 4, True))
|
|
self.assertEqual(t.kind, TypeKind.ARRAY)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertIsNone(t.length)
|
|
self.assertEqual(t.type, int_type("int", 4, True))
|
|
self.assertFalse(t.is_complete())
|
|
|
|
self.assertRaises(TypeError, array_type, 10, 4)
|
|
|
|
def test_function(self):
|
|
t = function_type(void_type(), (TypeParameter(int_type("int", 4, True), "n"),))
|
|
self.assertEqual(t.kind, TypeKind.FUNCTION)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertEqual(t.language, DEFAULT_LANGUAGE)
|
|
self.assertEqual(t.type, void_type())
|
|
self.assertEqual(t.parameters, (TypeParameter(int_type("int", 4, True), "n"),))
|
|
self.assertFalse(t.is_variadic)
|
|
self.assertTrue(t.is_complete())
|
|
|
|
self.assertEqual(
|
|
t,
|
|
function_type(void_type(), (TypeParameter(int_type("int", 4, True), "n"),)),
|
|
)
|
|
# Different return type.
|
|
self.assertNotEqual(
|
|
t,
|
|
function_type(
|
|
int_type("int", 4, True),
|
|
(TypeParameter(int_type("int", 4, True), "n"),),
|
|
),
|
|
)
|
|
# Different parameter name.
|
|
self.assertNotEqual(
|
|
t,
|
|
function_type(void_type(), (TypeParameter(int_type("int", 4, True), "x"),)),
|
|
)
|
|
# Unnamed parameter.
|
|
self.assertNotEqual(
|
|
t, function_type(void_type(), (TypeParameter(int_type("int", 4, True),),))
|
|
)
|
|
# Different number of parameters.
|
|
self.assertNotEqual(
|
|
t,
|
|
function_type(
|
|
void_type(),
|
|
(
|
|
TypeParameter(int_type("int", 4, True), "n"),
|
|
TypeParameter(pointer_type(8, void_type()), "p"),
|
|
),
|
|
),
|
|
)
|
|
# One is variadic.
|
|
self.assertNotEqual(
|
|
t,
|
|
function_type(
|
|
void_type(), (TypeParameter(int_type("int", 4, True), "n"),), True
|
|
),
|
|
)
|
|
|
|
self.assertEqual(
|
|
repr(t),
|
|
"function_type(type=void_type(), parameters=(TypeParameter(type=int_type(name='int', size=4, is_signed=True), name='n'),), is_variadic=False)",
|
|
)
|
|
self.assertRaises(TypeError, sizeof, t)
|
|
|
|
self.assertFalse(function_type(void_type(), (), False).is_variadic)
|
|
self.assertTrue(function_type(void_type(), (), True).is_variadic)
|
|
|
|
self.assertRaisesRegex(TypeError, "must be Type", function_type, None, ())
|
|
self.assertRaisesRegex(
|
|
TypeError, "must be sequence", function_type, void_type(), None
|
|
)
|
|
self.assertRaisesRegex(
|
|
TypeError, "must be TypeParameter", function_type, void_type(), (4,)
|
|
)
|
|
|
|
def test_cycle(self):
|
|
t1 = struct_type("foo", 8, (TypeMember(lambda: pointer_type(8, t1), "next"),))
|
|
t2 = struct_type("foo", 8, (TypeMember(lambda: pointer_type(8, t2), "next"),))
|
|
t3, t4 = (
|
|
struct_type("foo", 8, (TypeMember(lambda: pointer_type(8, t4), "next"),)),
|
|
struct_type("foo", 8, (TypeMember(lambda: pointer_type(8, t3), "next"),)),
|
|
)
|
|
self.assertEqual(t1, t2)
|
|
self.assertEqual(t2, t3)
|
|
self.assertEqual(t3, t4)
|
|
|
|
self.assertEqual(
|
|
repr(t1),
|
|
"struct_type(tag='foo', size=8, members=(TypeMember(type=pointer_type(size=8, type=struct_type(tag='foo', ...)), name='next', bit_offset=0),))",
|
|
)
|
|
|
|
def test_cycle2(self):
|
|
t1 = struct_type(
|
|
"list_head",
|
|
16,
|
|
(
|
|
TypeMember(lambda: pointer_type(8, t1), "next"),
|
|
TypeMember(lambda: pointer_type(8, t1), "prev", 8),
|
|
),
|
|
)
|
|
t2 = struct_type(
|
|
"list_head",
|
|
16,
|
|
(
|
|
TypeMember(lambda: pointer_type(8, t2), "next"),
|
|
TypeMember(lambda: pointer_type(8, t2), "prev", 8),
|
|
),
|
|
)
|
|
self.assertEqual(t1, t2)
|
|
|
|
self.assertEqual(
|
|
repr(t1),
|
|
"struct_type(tag='list_head', size=16, members=(TypeMember(type=pointer_type(size=8, type=struct_type(tag='list_head', ...)), name='next', bit_offset=0), TypeMember(type=pointer_type(size=8, type=struct_type(tag='list_head', ...)), name='prev', bit_offset=8)))",
|
|
)
|
|
|
|
def test_infinite(self):
|
|
f = lambda: struct_type("foo", 0, (TypeMember(f, "next"),))
|
|
self.assertEqual(
|
|
repr(f()),
|
|
"struct_type(tag='foo', size=0, members=(TypeMember(type=struct_type(tag='foo', ...), name='next', bit_offset=0),))",
|
|
)
|
|
with self.assertRaisesRegex(RecursionError, "maximum.*depth"):
|
|
f() == f()
|
|
|
|
def test_bad_thunk(self):
|
|
t1 = struct_type(
|
|
"foo", 16, (TypeMember(lambda: exec('raise Exception("test")'), "bar"),)
|
|
)
|
|
with self.assertRaisesRegex(Exception, "test"):
|
|
t1.members[0].type
|
|
t1 = struct_type("foo", 16, (TypeMember(lambda: 0, "bar"),))
|
|
with self.assertRaisesRegex(TypeError, "type callable must return Type"):
|
|
t1.members[0].type
|
|
|
|
def test_qualifiers(self):
|
|
self.assertEqual(void_type().qualifiers, Qualifiers(0))
|
|
|
|
t = void_type(Qualifiers.CONST | Qualifiers.VOLATILE)
|
|
self.assertEqual(t.qualifiers, Qualifiers.CONST | Qualifiers.VOLATILE)
|
|
self.assertEqual(
|
|
repr(t), "void_type(qualifiers=<Qualifiers.VOLATILE|CONST: 3>)"
|
|
)
|
|
|
|
self.assertEqual(t.qualified(Qualifiers.ATOMIC), void_type(Qualifiers.ATOMIC))
|
|
self.assertEqual(t.unqualified(), void_type())
|
|
self.assertEqual(t.qualified(Qualifiers(0)), t.unqualified())
|
|
|
|
self.assertRaisesRegex(TypeError, "expected Qualifiers or None", void_type, 1.5)
|
|
|
|
def test_language(self):
|
|
self.assertEqual(void_type(language=None).language, DEFAULT_LANGUAGE)
|
|
self.assertEqual(void_type(language=Language.C).language, Language.C)
|
|
|
|
def test_cmp(self):
|
|
self.assertEqual(void_type(), void_type())
|
|
self.assertEqual(void_type(Qualifiers.CONST), void_type(Qualifiers.CONST))
|
|
self.assertNotEqual(void_type(), void_type(Qualifiers.CONST))
|
|
self.assertNotEqual(void_type(), int_type("int", 4, True))
|
|
self.assertNotEqual(void_type(), 1)
|
|
self.assertNotEqual(1, void_type())
|
|
|
|
|
|
class TestTypeEnumerator(unittest.TestCase):
|
|
def test_init(self):
|
|
e = TypeEnumerator("a", 1)
|
|
self.assertEqual(e.name, "a")
|
|
self.assertEqual(e.value, 1)
|
|
|
|
self.assertRaises(TypeError, TypeEnumerator, "a", None)
|
|
self.assertRaises(TypeError, TypeEnumerator, None, 1)
|
|
|
|
def test_repr(self):
|
|
e = TypeEnumerator("a", 1)
|
|
self.assertEqual(repr(e), "TypeEnumerator('a', 1)")
|
|
|
|
def test_sequence(self):
|
|
e = TypeEnumerator("a", 1)
|
|
name, value = e
|
|
self.assertEqual(name, "a")
|
|
self.assertEqual(value, 1)
|
|
self.assertEqual(list(e), ["a", 1])
|
|
|
|
def test_cmp(self):
|
|
self.assertEqual(TypeEnumerator("a", 1), TypeEnumerator(name="a", value=1))
|
|
self.assertNotEqual(TypeEnumerator("a", 1), TypeEnumerator("a", 2))
|
|
self.assertNotEqual(TypeEnumerator("b", 1), TypeEnumerator("a", 1))
|
|
|
|
|
|
class TestTypeMember(unittest.TestCase):
|
|
def test_init(self):
|
|
m = TypeMember(void_type())
|
|
self.assertEqual(m.type, void_type())
|
|
self.assertIsNone(m.name)
|
|
self.assertEqual(m.bit_offset, 0)
|
|
self.assertEqual(m.offset, 0)
|
|
self.assertEqual(m.bit_field_size, 0)
|
|
|
|
m = TypeMember(void_type(), "foo")
|
|
self.assertEqual(m.type, void_type())
|
|
self.assertEqual(m.name, "foo")
|
|
self.assertEqual(m.bit_offset, 0)
|
|
self.assertEqual(m.offset, 0)
|
|
self.assertEqual(m.bit_field_size, 0)
|
|
|
|
m = TypeMember(void_type(), "foo", 8)
|
|
self.assertEqual(m.type, void_type())
|
|
self.assertEqual(m.name, "foo")
|
|
self.assertEqual(m.bit_offset, 8)
|
|
self.assertEqual(m.offset, 1)
|
|
self.assertEqual(m.bit_field_size, 0)
|
|
|
|
m = TypeMember(void_type(), "foo", 9, 7)
|
|
self.assertEqual(m.type, void_type())
|
|
self.assertEqual(m.name, "foo")
|
|
self.assertEqual(m.bit_offset, 9)
|
|
self.assertRaises(ValueError, getattr, m, "offset")
|
|
self.assertEqual(m.bit_field_size, 7)
|
|
|
|
self.assertRaises(TypeError, TypeMember, None)
|
|
self.assertRaises(TypeError, TypeMember, void_type(), 1)
|
|
self.assertRaises(TypeError, TypeMember, void_type(), "foo", None)
|
|
self.assertRaises(TypeError, TypeMember, void_type(), "foo", 0, None)
|
|
|
|
def test_callable(self):
|
|
m = TypeMember(void_type)
|
|
self.assertEqual(m.type, void_type())
|
|
|
|
m = TypeMember(lambda: int_type("int", 4, True))
|
|
self.assertEqual(m.type, int_type("int", 4, True))
|
|
|
|
m = TypeMember(lambda: None)
|
|
self.assertRaises(TypeError, getattr, m, "type")
|
|
|
|
def test_repr(self):
|
|
m = TypeMember(type=void_type, name="foo")
|
|
self.assertEqual(
|
|
repr(m), "TypeMember(type=void_type(), name='foo', bit_offset=0)"
|
|
)
|
|
|
|
m = TypeMember(type=void_type, bit_field_size=4)
|
|
self.assertEqual(
|
|
repr(m),
|
|
"TypeMember(type=void_type(), name=None, bit_offset=0, bit_field_size=4)",
|
|
)
|
|
|
|
m = TypeMember(lambda: None)
|
|
self.assertRaises(TypeError, repr, m)
|
|
|
|
def test_cmp(self):
|
|
self.assertEqual(TypeMember(void_type()), TypeMember(void_type(), None, 0, 0))
|
|
self.assertEqual(
|
|
TypeMember(bit_offset=9, bit_field_size=7, type=void_type, name="foo"),
|
|
TypeMember(void_type(), "foo", 9, 7),
|
|
)
|
|
self.assertNotEqual(
|
|
TypeMember(int_type("int", 4, True)), TypeMember(void_type(), None, 0, 0)
|
|
)
|
|
self.assertNotEqual(
|
|
TypeMember(void_type(), "foo"), TypeMember(void_type(), None, 0, 0)
|
|
)
|
|
self.assertNotEqual(
|
|
TypeMember(void_type(), bit_offset=8), TypeMember(void_type(), None, 0, 0)
|
|
)
|
|
self.assertNotEqual(
|
|
TypeMember(void_type(), bit_field_size=8),
|
|
TypeMember(void_type(), None, 0, 0),
|
|
)
|
|
|
|
|
|
class TestTypeParameter(unittest.TestCase):
|
|
def test_init(self):
|
|
p = TypeParameter(void_type())
|
|
self.assertEqual(p.type, void_type())
|
|
self.assertIsNone(p.name)
|
|
|
|
p = TypeParameter(void_type(), "foo")
|
|
self.assertEqual(p.type, void_type())
|
|
self.assertEqual(p.name, "foo")
|
|
|
|
self.assertRaises(TypeError, TypeParameter, None)
|
|
self.assertRaises(TypeError, TypeParameter, void_type(), 1)
|
|
|
|
def test_callable(self):
|
|
p = TypeParameter(void_type)
|
|
self.assertEqual(p.type, void_type())
|
|
|
|
p = TypeParameter(lambda: int_type("int", 4, True))
|
|
self.assertEqual(p.type, int_type("int", 4, True))
|
|
|
|
p = TypeParameter(lambda: None)
|
|
self.assertRaises(TypeError, getattr, p, "type")
|
|
|
|
def test_repr(self):
|
|
p = TypeParameter(type=void_type, name="foo")
|
|
self.assertEqual(repr(p), "TypeParameter(type=void_type(), name='foo')")
|
|
|
|
p = TypeParameter(type=void_type)
|
|
self.assertEqual(repr(p), "TypeParameter(type=void_type(), name=None)")
|
|
|
|
p = TypeParameter(lambda: None)
|
|
self.assertRaises(TypeError, repr, p)
|
|
|
|
def test_cmp(self):
|
|
self.assertEqual(TypeParameter(void_type()), TypeParameter(void_type(), None))
|
|
self.assertEqual(
|
|
TypeParameter(name="foo", type=void_type), TypeParameter(void_type(), "foo")
|
|
)
|
|
self.assertNotEqual(
|
|
TypeParameter(int_type("int", 4, True)), TypeParameter(void_type(), None)
|
|
)
|
|
self.assertNotEqual(
|
|
TypeParameter(void_type(), "foo"), TypeParameter(void_type(), None)
|
|
)
|