|  | // 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/ast/discard_statement.h" | 
|  |  | 
|  | #include <sstream> | 
|  |  | 
|  | #include "gtest/gtest.h" | 
|  |  | 
|  | namespace tint { | 
|  | namespace ast { | 
|  | namespace { | 
|  |  | 
|  | using DiscardStatementTest = testing::Test; | 
|  |  | 
|  | TEST_F(DiscardStatementTest, Creation) { | 
|  | DiscardStatement stmt; | 
|  | EXPECT_EQ(stmt.line(), 0u); | 
|  | EXPECT_EQ(stmt.column(), 0u); | 
|  | } | 
|  |  | 
|  | TEST_F(DiscardStatementTest, Creation_WithSource) { | 
|  | DiscardStatement stmt(Source{20, 2}); | 
|  | EXPECT_EQ(stmt.line(), 20u); | 
|  | EXPECT_EQ(stmt.column(), 2u); | 
|  | } | 
|  |  | 
|  | TEST_F(DiscardStatementTest, IsDiscard) { | 
|  | DiscardStatement stmt; | 
|  | EXPECT_TRUE(stmt.IsDiscard()); | 
|  | } | 
|  |  | 
|  | TEST_F(DiscardStatementTest, IsValid) { | 
|  | DiscardStatement stmt; | 
|  | EXPECT_TRUE(stmt.IsValid()); | 
|  | } | 
|  |  | 
|  | TEST_F(DiscardStatementTest, ToStr) { | 
|  | DiscardStatement stmt; | 
|  | std::ostringstream out; | 
|  | stmt.to_str(out, 2); | 
|  | EXPECT_EQ(out.str(), R"(  Discard{} | 
|  | )"); | 
|  | } | 
|  |  | 
|  | }  // namespace | 
|  | }  // namespace ast | 
|  | }  // namespace tint |