# Copyright 2024 Pavlo Penenko
#
# 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 metashade.util.testing import ctx_cls_hg

class TestScopes:
    @ctx_cls_hg
    def test_undeclared_symbol(self, ctx_cls):
        with ctx_cls(no_file = True) as sh:
            with sh.function('add', sh.Float4)(a = sh.Float4, b = sh.Float4):
                with pytest.raises(
                    AttributeError,
                    match = "Undeclared symbol: 'c'"
                ):
                    sh.return_(sh.a + sh.c)
