| // Copyright 2023 The Dawn & Tint Authors | 
 | // | 
 | // Redistribution and use in source and binary forms, with or without | 
 | // modification, are permitted provided that the following conditions are met: | 
 | // | 
 | // 1. Redistributions of source code must retain the above copyright notice, this | 
 | //    list of conditions and the following disclaimer. | 
 | // | 
 | // 2. Redistributions in binary form must reproduce the above copyright notice, | 
 | //    this list of conditions and the following disclaimer in the documentation | 
 | //    and/or other materials provided with the distribution. | 
 | // | 
 | // 3. Neither the name of the copyright holder nor the names of its | 
 | //    contributors may be used to endorse or promote products derived from | 
 | //    this software without specific prior written permission. | 
 | // | 
 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | 
 | // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 
 | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 
 | // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | 
 | // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | 
 | // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | 
 | // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | 
 | // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | 
 | // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
 |  | 
 | #include "src/tint/lang/core/ir/builder.h" | 
 | #include "src/tint/lang/core/ir/instruction.h" | 
 | #include "src/tint/lang/core/ir/ir_helper_test.h" | 
 |  | 
 | namespace tint::core::ir { | 
 | namespace { | 
 |  | 
 | using IR_UnreachableTest = IRTestHelper; | 
 |  | 
 | TEST_F(IR_UnreachableTest, Unreachable) { | 
 |     auto* inst = b.Unreachable(); | 
 |     ASSERT_TRUE(inst->Is<ir::Unreachable>()); | 
 | } | 
 |  | 
 | TEST_F(IR_UnreachableTest, Result) { | 
 |     auto* inst = b.Unreachable(); | 
 |  | 
 |     EXPECT_TRUE(inst->Results().IsEmpty()); | 
 | } | 
 |  | 
 | TEST_F(IR_UnreachableTest, Clone) { | 
 |     auto* d = b.Unreachable(); | 
 |     auto* new_d = clone_ctx.Clone(d); | 
 |  | 
 |     EXPECT_NE(d, new_d); | 
 |     EXPECT_NE(nullptr, new_d); | 
 | } | 
 |  | 
 | }  // namespace | 
 | }  // namespace tint::core::ir |