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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, StructBodyDecl_Parses) {
auto p = parser("{a : i32}");
auto& builder = p->builder();
auto m = p->expect_struct_body_decl();
ASSERT_FALSE(p->has_error());
ASSERT_FALSE(m.errored);
ASSERT_EQ(m.value.size(), 1u);
const auto* mem = m.value[0];
EXPECT_EQ(mem->symbol, builder.Symbols().Get("a"));
EXPECT_TRUE(mem->type->Is<ast::I32>());
EXPECT_EQ(mem->attributes.size(), 0u);
}
TEST_F(ParserImplTest, StructBodyDecl_Parses_TrailingComma) {
auto p = parser("{a : i32,}");
auto& builder = p->builder();
auto m = p->expect_struct_body_decl();
ASSERT_FALSE(p->has_error());
ASSERT_FALSE(m.errored);
ASSERT_EQ(m.value.size(), 1u);
const auto* mem = m.value[0];
EXPECT_EQ(mem->symbol, builder.Symbols().Get("a"));
EXPECT_TRUE(mem->type->Is<ast::I32>());
EXPECT_EQ(mem->attributes.size(), 0u);
}
TEST_F(ParserImplTest, StructBodyDecl_ParsesEmpty) {
auto p = parser("{}");
auto m = p->expect_struct_body_decl();
ASSERT_FALSE(p->has_error());
ASSERT_FALSE(m.errored);
ASSERT_EQ(m.value.size(), 0u);
}
TEST_F(ParserImplTest, StructBodyDecl_InvalidAlign) {
auto p = parser(R"(
{
@align(nan) a : i32,
})");
auto m = p->expect_struct_body_decl();
ASSERT_TRUE(p->has_error());
ASSERT_TRUE(m.errored);
EXPECT_EQ(p->error(), "3:10: expected signed integer literal for align attribute");
}
TEST_F(ParserImplTest, StructBodyDecl_InvalidSize) {
auto p = parser(R"(
{
@size(nan) a : i32,
})");
auto m = p->expect_struct_body_decl();
ASSERT_TRUE(p->has_error());
ASSERT_TRUE(m.errored);
EXPECT_EQ(p->error(), "3:9: expected signed integer literal for size attribute");
}
TEST_F(ParserImplTest, StructBodyDecl_MissingClosingBracket) {
auto p = parser("{a : i32,");
auto m = p->expect_struct_body_decl();
ASSERT_TRUE(p->has_error());
ASSERT_TRUE(m.errored);
EXPECT_EQ(p->error(), "1:10: expected '}' for struct declaration");
}
TEST_F(ParserImplTest, StructBodyDecl_InvalidToken) {
auto p = parser(R"(
{
a : i32,
1.23
} )");
auto m = p->expect_struct_body_decl();
ASSERT_TRUE(p->has_error());
ASSERT_TRUE(m.errored);
EXPECT_EQ(p->error(), "4:3: expected '}' for struct declaration");
}
} // namespace
} // namespace tint::reader::wgsl