| // 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, VariableIdentDecl_Parses) { |
| auto p = parser("my_var : f32"); |
| auto decl = p->expect_variable_ident_decl("test"); |
| ASSERT_FALSE(p->has_error()) << p->error(); |
| ASSERT_FALSE(decl.errored); |
| ASSERT_EQ(decl->name, "my_var"); |
| ASSERT_NE(decl->type, nullptr); |
| ASSERT_TRUE(decl->type->Is<ast::F32>()); |
| |
| EXPECT_EQ(decl->source.range, (Source::Range{{1u, 1u}, {1u, 7u}})); |
| EXPECT_EQ(decl->type->source.range, (Source::Range{{1u, 10u}, {1u, 13u}})); |
| } |
| |
| TEST_F(ParserImplTest, VariableIdentDecl_Inferred_Parses) { |
| auto p = parser("my_var = 1.0"); |
| auto decl = p->expect_variable_ident_decl("test", /*allow_inferred = */ true); |
| ASSERT_FALSE(p->has_error()) << p->error(); |
| ASSERT_FALSE(decl.errored); |
| ASSERT_EQ(decl->name, "my_var"); |
| ASSERT_EQ(decl->type, nullptr); |
| |
| EXPECT_EQ(decl->source.range, (Source::Range{{1u, 1u}, {1u, 7u}})); |
| } |
| |
| TEST_F(ParserImplTest, VariableIdentDecl_MissingIdent) { |
| auto p = parser(": f32"); |
| auto decl = p->expect_variable_ident_decl("test"); |
| ASSERT_TRUE(p->has_error()); |
| ASSERT_TRUE(decl.errored); |
| ASSERT_EQ(p->error(), "1:1: expected identifier for test"); |
| } |
| |
| TEST_F(ParserImplTest, VariableIdentDecl_MissingColon) { |
| auto p = parser("my_var f32"); |
| auto decl = p->expect_variable_ident_decl("test"); |
| ASSERT_TRUE(p->has_error()); |
| ASSERT_TRUE(decl.errored); |
| ASSERT_EQ(p->error(), "1:8: expected ':' for test"); |
| } |
| |
| TEST_F(ParserImplTest, VariableIdentDecl_MissingType) { |
| auto p = parser("my_var :"); |
| auto decl = p->expect_variable_ident_decl("test"); |
| ASSERT_TRUE(p->has_error()); |
| ASSERT_TRUE(decl.errored); |
| ASSERT_EQ(p->error(), "1:9: invalid type for test"); |
| } |
| |
| TEST_F(ParserImplTest, VariableIdentDecl_InvalidIdent) { |
| auto p = parser("123 : f32"); |
| auto decl = p->expect_variable_ident_decl("test"); |
| ASSERT_TRUE(p->has_error()); |
| ASSERT_TRUE(decl.errored); |
| ASSERT_EQ(p->error(), "1:1: expected identifier for test"); |
| } |
| |
| } // namespace |
| } // namespace tint::reader::wgsl |