| // 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" |
| #include "src/tint/utils/string.h" |
| |
| namespace tint::reader::wgsl { |
| namespace { |
| |
| TEST_F(ParserImplTest, StructDecl_Parses) { |
| auto p = parser(R"( |
| struct S { |
| a : i32, |
| b : f32, |
| })"); |
| auto s = p->struct_decl(); |
| EXPECT_FALSE(p->has_error()); |
| EXPECT_FALSE(s.errored); |
| EXPECT_TRUE(s.matched); |
| ASSERT_NE(s.value, nullptr); |
| ASSERT_EQ(s->name, p->builder().Symbols().Register("S")); |
| ASSERT_EQ(s->members.size(), 2u); |
| EXPECT_EQ(s->members[0]->symbol, p->builder().Symbols().Register("a")); |
| EXPECT_EQ(s->members[1]->symbol, p->builder().Symbols().Register("b")); |
| } |
| |
| TEST_F(ParserImplTest, StructDecl_Unicode_Parses) { |
| const std::string struct_ident = // "𝓼𝓽𝓻𝓾𝓬𝓽𝓾𝓻𝓮" |
| "\xf0\x9d\x93\xbc\xf0\x9d\x93\xbd\xf0\x9d\x93\xbb\xf0\x9d\x93\xbe\xf0\x9d" |
| "\x93\xac\xf0\x9d\x93\xbd\xf0\x9d\x93\xbe\xf0\x9d\x93\xbb\xf0\x9d\x93" |
| "\xae"; |
| const std::string member_a_ident = // "𝕞𝕖𝕞𝕓𝕖𝕣_𝕒" |
| "\xf0\x9d\x95\x9e\xf0\x9d\x95\x96\xf0\x9d\x95\x9e\xf0\x9d\x95\x93\xf0\x9d" |
| "\x95\x96\xf0\x9d\x95\xa3\x5f\xf0\x9d\x95\x92"; |
| const std::string member_b_ident = // "𝔪𝔢𝔪𝔟𝔢𝔯_𝔟" |
| "\xf0\x9d\x94\xaa\xf0\x9d\x94\xa2\xf0\x9d\x94\xaa\xf0\x9d\x94\x9f\xf0\x9d" |
| "\x94\xa2\xf0\x9d\x94\xaf\x5f\xf0\x9d\x94\x9f"; |
| |
| std::string src = R"( |
| struct $struct { |
| $member_a : i32, |
| $member_b : f32, |
| })"; |
| src = utils::ReplaceAll(src, "$struct", struct_ident); |
| src = utils::ReplaceAll(src, "$member_a", member_a_ident); |
| src = utils::ReplaceAll(src, "$member_b", member_b_ident); |
| |
| auto p = parser(src); |
| |
| auto s = p->struct_decl(); |
| EXPECT_FALSE(p->has_error()); |
| EXPECT_FALSE(s.errored); |
| EXPECT_TRUE(s.matched); |
| ASSERT_NE(s.value, nullptr); |
| ASSERT_EQ(s->name, p->builder().Symbols().Register(struct_ident)); |
| ASSERT_EQ(s->members.size(), 2u); |
| EXPECT_EQ(s->members[0]->symbol, p->builder().Symbols().Register(member_a_ident)); |
| EXPECT_EQ(s->members[1]->symbol, p->builder().Symbols().Register(member_b_ident)); |
| } |
| |
| TEST_F(ParserImplTest, StructDecl_EmptyMembers) { |
| auto p = parser("struct S {}"); |
| |
| auto s = p->struct_decl(); |
| EXPECT_FALSE(p->has_error()); |
| EXPECT_FALSE(s.errored); |
| EXPECT_TRUE(s.matched); |
| ASSERT_NE(s.value, nullptr); |
| ASSERT_EQ(s->members.size(), 0u); |
| } |
| |
| TEST_F(ParserImplTest, StructDecl_MissingIdent) { |
| auto p = parser("struct {}"); |
| |
| auto s = p->struct_decl(); |
| EXPECT_TRUE(s.errored); |
| EXPECT_FALSE(s.matched); |
| EXPECT_EQ(s.value, nullptr); |
| |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:8: expected identifier for struct declaration"); |
| } |
| |
| TEST_F(ParserImplTest, StructDecl_MissingBracketLeft) { |
| auto p = parser("struct S }"); |
| |
| auto s = p->struct_decl(); |
| EXPECT_TRUE(s.errored); |
| EXPECT_FALSE(s.matched); |
| EXPECT_EQ(s.value, nullptr); |
| |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:10: expected '{' for struct declaration"); |
| } |
| |
| // TODO(crbug.com/tint/1475): Remove this. |
| TEST_F(ParserImplTest, DEPRECATED_StructDecl_Parses_WithSemicolons) { |
| auto p = parser(R"( |
| struct S { |
| a : i32; |
| b : f32; |
| })"); |
| auto s = p->struct_decl(); |
| EXPECT_FALSE(p->has_error()); |
| EXPECT_FALSE(s.errored); |
| EXPECT_TRUE(s.matched); |
| ASSERT_NE(s.value, nullptr); |
| ASSERT_EQ(s->name, p->builder().Symbols().Register("S")); |
| ASSERT_EQ(s->members.size(), 2u); |
| EXPECT_EQ(s->members[0]->symbol, p->builder().Symbols().Register("a")); |
| EXPECT_EQ(s->members[1]->symbol, p->builder().Symbols().Register("b")); |
| } |
| |
| } // namespace |
| } // namespace tint::reader::wgsl |