| // 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/reader/wgsl/parser_impl_test_helper.h" |
| |
| namespace tint { |
| namespace reader { |
| namespace 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->decorations.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(), |
| "3:11: expected signed integer literal for align decoration"); |
| } |
| |
| 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(), |
| "3:10: expected signed integer literal for size decoration"); |
| } |
| |
| 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 identifier for struct member"); |
| } |
| |
| } // namespace |
| } // namespace wgsl |
| } // namespace reader |
| } // namespace tint |