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// 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, AttributeDecl_EmptyStr) {
auto p = parser("");
auto attrs = p->attribute_list();
EXPECT_FALSE(p->has_error());
EXPECT_FALSE(attrs.errored);
EXPECT_FALSE(attrs.matched);
EXPECT_EQ(attrs.value.size(), 0u);
}
TEST_F(ParserImplTest, AttributeDecl_Single) {
auto p = parser("@size(4)");
auto attrs = p->attribute_list();
EXPECT_FALSE(p->has_error());
EXPECT_FALSE(attrs.errored);
EXPECT_TRUE(attrs.matched);
ASSERT_EQ(attrs.value.size(), 1u);
auto* attr = attrs.value[0]->As<ast::Attribute>();
ASSERT_NE(attr, nullptr);
EXPECT_TRUE(attr->Is<ast::StructMemberSizeAttribute>());
}
TEST_F(ParserImplTest, AttributeDecl_InvalidAttribute) {
auto p = parser("@size(nan)");
auto attrs = p->attribute_list();
EXPECT_TRUE(p->has_error()) << p->error();
EXPECT_TRUE(attrs.errored);
EXPECT_FALSE(attrs.matched);
EXPECT_EQ(p->error(), "1:7: expected signed integer literal for size attribute");
}
} // namespace
} // namespace tint::reader::wgsl