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# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import imp
import os.path
import sys
import unittest
from mojom.generate import module as mojom
from mojom.generate import translate
from mojom.parse import ast
class TranslateTest(unittest.TestCase):
"""Tests |parser.Parse()|."""
def testSimpleArray(self):
"""Tests a simple int32[]."""
# pylint: disable=W0212
self.assertEquals(translate._MapKind("int32[]"), "a:i32")
def testAssociativeArray(self):
"""Tests a simple uint8{string}."""
# pylint: disable=W0212
self.assertEquals(translate._MapKind("uint8{string}"), "m[s][u8]")
def testLeftToRightAssociativeArray(self):
"""Makes sure that parsing is done from right to left on the internal kinds
in the presence of an associative array."""
# pylint: disable=W0212
self.assertEquals(translate._MapKind("uint8[]{string}"), "m[s][a:u8]")
def testTranslateSimpleUnions(self):
"""Makes sure that a simple union is translated correctly."""
tree = ast.Mojom(None, ast.ImportList(), [
ast.Union(
"SomeUnion", None,
ast.UnionBody([
ast.UnionField("a", None, None, "int32"),
ast.UnionField("b", None, None, "string")
]))
])
translation = translate.OrderedModule(tree, "mojom_tree", [])
self.assertEqual(1, len(translation.unions))
union = translation.unions[0]
self.assertTrue(isinstance(union, mojom.Union))
self.assertEqual("SomeUnion", union.mojom_name)
self.assertEqual(2, len(union.fields))
self.assertEqual("a", union.fields[0].mojom_name)
self.assertEqual(mojom.INT32.spec, union.fields[0].kind.spec)
self.assertEqual("b", union.fields[1].mojom_name)
self.assertEqual(mojom.STRING.spec, union.fields[1].kind.spec)
def testMapKindRaisesWithDuplicate(self):
"""Verifies _MapTreeForType() raises when passed two values with the same
name."""
methods = [
ast.Method('dup', None, None, ast.ParameterList(), None),
ast.Method('dup', None, None, ast.ParameterList(), None)
]
with self.assertRaises(Exception):
translate._ElemsOfType(methods, ast.Method, 'scope')
def testAssociatedKinds(self):
"""Tests type spec translation of associated interfaces and requests."""
# pylint: disable=W0212
self.assertEquals(
translate._MapKind("asso<SomeInterface>?"), "?asso:x:SomeInterface")
self.assertEquals(
translate._MapKind("asso<SomeInterface&>?"), "?asso:r:x:SomeInterface")
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