| // Copyright 2023 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/ir/exit_switch.h" |
| |
| #include "gmock/gmock.h" |
| #include "src/tint/ir/ir_test_helper.h" |
| |
| namespace tint::ir { |
| namespace { |
| |
| using namespace tint::number_suffixes; // NOLINT |
| using IR_ExitSwitchTest = IRTestHelper; |
| |
| TEST_F(IR_ExitSwitchTest, Usage) { |
| auto* arg1 = b.Constant(1_u); |
| auto* arg2 = b.Constant(2_u); |
| auto* switch_ = b.Switch(true); |
| auto* e = b.ExitSwitch(switch_, arg1, arg2); |
| |
| EXPECT_THAT(arg1->Usages(), testing::UnorderedElementsAre(Usage{e, 0u})); |
| EXPECT_THAT(arg2->Usages(), testing::UnorderedElementsAre(Usage{e, 1u})); |
| EXPECT_EQ(switch_->Result(), nullptr); |
| } |
| |
| TEST_F(IR_ExitSwitchTest, Result) { |
| auto* arg1 = b.Constant(1_u); |
| auto* arg2 = b.Constant(2_u); |
| auto* switch_ = b.Switch(true); |
| auto* e = b.ExitSwitch(switch_, arg1, arg2); |
| |
| EXPECT_FALSE(e->HasResults()); |
| EXPECT_FALSE(e->HasMultiResults()); |
| } |
| |
| TEST_F(IR_ExitSwitchTest, Destroy) { |
| auto* swch = b.Switch(1_i); |
| auto* exit = b.ExitSwitch(swch); |
| EXPECT_THAT(swch->Exits(), testing::UnorderedElementsAre(exit)); |
| exit->Destroy(); |
| EXPECT_TRUE(swch->Exits().IsEmpty()); |
| EXPECT_FALSE(exit->Alive()); |
| } |
| |
| } // namespace |
| } // namespace tint::ir |