| // 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 "gtest/gtest.h" |
| #include "src/reader/wgsl/parser_impl.h" |
| |
| namespace tint { |
| namespace reader { |
| namespace wgsl { |
| |
| using ParserImplTest = testing::Test; |
| |
| TEST_F(ParserImplTest, ParenRhsStmt) { |
| ParserImpl p{"(a + b)"}; |
| auto e = p.paren_rhs_stmt(); |
| ASSERT_FALSE(p.has_error()) << p.error(); |
| ASSERT_NE(e, nullptr); |
| ASSERT_TRUE(e->IsRelational()); |
| } |
| |
| TEST_F(ParserImplTest, ParenRhsStmt_MissingLeftParen) { |
| ParserImpl p{"true)"}; |
| auto e = p.paren_rhs_stmt(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:1: expected ("); |
| } |
| |
| TEST_F(ParserImplTest, ParenRhsStmt_MissingRightParen) { |
| ParserImpl p{"(true"}; |
| auto e = p.paren_rhs_stmt(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:6: expected )"); |
| } |
| |
| TEST_F(ParserImplTest, ParenRhsStmt_InvalidExpression) { |
| ParserImpl p{"(if (a() {})"}; |
| auto e = p.paren_rhs_stmt(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:2: unable to parse expression"); |
| } |
| |
| TEST_F(ParserImplTest, ParenRhsStmt_MissingExpression) { |
| ParserImpl p{"()"}; |
| auto e = p.paren_rhs_stmt(); |
| ASSERT_TRUE(p.has_error()); |
| ASSERT_EQ(e, nullptr); |
| EXPECT_EQ(p.error(), "1:2: unable to parse expression"); |
| } |
| |
| } // namespace wgsl |
| } // namespace reader |
| } // namespace tint |