blob: 133dd369184ba007e38133882954054de50cb5eb [file] [log] [blame] [edit]
// Copyright 2020 The Tint Authors.
//
// 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.
#include "src/tint/reader/wgsl/parser_impl_test_helper.h"
namespace tint::reader::wgsl {
namespace {
TEST_F(ParserImplTest, AttributeList_Parses) {
auto p = parser(R"(@location(4) @builtin(position))");
auto attrs = p->attribute_list();
ASSERT_FALSE(p->has_error()) << p->error();
ASSERT_FALSE(attrs.errored);
ASSERT_TRUE(attrs.matched);
ASSERT_EQ(attrs.value.size(), 2u);
auto* attr_0 = attrs.value[0]->As<ast::Attribute>();
auto* attr_1 = attrs.value[1]->As<ast::Attribute>();
ASSERT_NE(attr_0, nullptr);
ASSERT_NE(attr_1, nullptr);
ASSERT_TRUE(attr_0->Is<ast::LocationAttribute>());
EXPECT_EQ(attr_0->As<ast::LocationAttribute>()->value, 4u);
ASSERT_TRUE(attr_1->Is<ast::BuiltinAttribute>());
EXPECT_EQ(attr_1->As<ast::BuiltinAttribute>()->builtin, ast::Builtin::kPosition);
}
TEST_F(ParserImplTest, AttributeList_Invalid) {
auto p = parser(R"(@invalid)");
auto attrs = p->attribute_list();
EXPECT_TRUE(p->has_error());
EXPECT_TRUE(attrs.errored);
EXPECT_FALSE(attrs.matched);
EXPECT_TRUE(attrs.value.empty());
EXPECT_EQ(p->error(), R"(1:2: expected attribute)");
}
TEST_F(ParserImplTest, AttributeList_InvalidValue) {
auto p = parser("@builtin(invalid)");
auto attrs = p->attribute_list();
EXPECT_TRUE(p->has_error());
EXPECT_TRUE(attrs.errored);
EXPECT_FALSE(attrs.matched);
EXPECT_TRUE(attrs.value.empty());
EXPECT_EQ(p->error(), "1:10: invalid value for builtin attribute");
}
} // namespace
} // namespace tint::reader::wgsl