blob: f6a721f20a5228d420aeed9092443e98ba6b6bff [file] [log] [blame]
#!/usr/bin/env python3
# Copyright 2016 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS-IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import pytest
from fruit_test_common import *
from fruit_test_config import CXX_COMPILER_NAME
import re
COMMON_DEFINITIONS = '''
#include "test_common.h"
struct Annotation {};
struct Annotation1 {};
struct Annotation2 {};
'''
@pytest.mark.parametrize('XAnnot,intAnnot', [
('X', 'int'),
('fruit::Annotated<Annotation1, X>', 'fruit::Annotated<Annotation2, int>'),
])
def test_error_not_base(XAnnot, intAnnot):
source = '''
struct X {};
fruit::Component<> getComponent() {
return fruit::createComponent()
.addMultibinding<XAnnot, intAnnot>();
}
'''
expect_compile_error(
'NotABaseClassOfError<X,int>',
'I is not a base class of C.',
COMMON_DEFINITIONS,
source,
locals())
@pytest.mark.parametrize('ScalerAnnot,ScalerImplAnnot', [
('Scaler', 'ScalerImpl'),
('fruit::Annotated<Annotation1, Scaler>', 'fruit::Annotated<Annotation2, ScalerImpl>'),
])
def test_error_abstract_class(ScalerAnnot, ScalerImplAnnot):
source = '''
struct Scaler {
virtual double scale(double x) = 0;
};
struct ScalerImpl : public Scaler {
// Note: here we "forgot" to implement scale() (on purpose, for this test) so ScalerImpl is an abstract class.
};
fruit::Component<> getComponent() {
return fruit::createComponent()
.addMultibinding<ScalerAnnot, ScalerImplAnnot>();
}
'''
expect_compile_error(
'NoBindingFoundForAbstractClassError<ScalerImplAnnot,ScalerImpl>',
'No explicit binding was found for T, and note that C is an abstract class',
COMMON_DEFINITIONS,
source,
locals())
@pytest.mark.parametrize('ScalerAnnot,ScalerImplAnnot', [
('Scaler', 'ScalerImpl'),
('fruit::Annotated<Annotation1, Scaler>', 'fruit::Annotated<Annotation2, ScalerImpl>'),
])
@pytest.mark.skipif(
re.search('Clang', CXX_COMPILER_NAME) is None,
reason = 'This is Clang-only because GCC >=4.9 refuses to even mention the type C() when C is an abstract class, '
'while Clang allows to mention the type (but of course there can be no functions with this type)')
def test_error_abstract_class_clang(ScalerAnnot, ScalerImplAnnot):
source = '''
struct Scaler {
virtual double scale(double x) = 0;
};
struct ScalerImpl : public Scaler {
INJECT(ScalerImpl()) = default;
// Note: here we "forgot" to implement scale() (on purpose, for this test) so ScalerImpl is an abstract class.
};
fruit::Component<> getComponent() {
return fruit::createComponent()
.addMultibinding<ScalerAnnot, ScalerImplAnnot>();
}
'''
expect_compile_error(
'CannotConstructAbstractClassError<ScalerImpl>',
'The specified class can.t be constructed because it.s an abstract class.',
COMMON_DEFINITIONS,
source,
locals())
if __name__== '__main__':
main(__file__)