| // 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/lang/core/ir/switch.h" |
| |
| #include "gmock/gmock.h" |
| #include "gtest/gtest-spi.h" |
| #include "src/tint/lang/core/ir/ir_test_helper.h" |
| |
| namespace tint::ir { |
| namespace { |
| |
| using namespace tint::number_suffixes; // NOLINT |
| using IR_SwitchTest = IRTestHelper; |
| |
| TEST_F(IR_SwitchTest, Usage) { |
| auto* cond = b.Constant(true); |
| auto* switch_ = b.Switch(cond); |
| EXPECT_THAT(cond->Usages(), testing::UnorderedElementsAre(Usage{switch_, 0u})); |
| } |
| |
| TEST_F(IR_SwitchTest, Results) { |
| auto* cond = b.Constant(true); |
| auto* switch_ = b.Switch(cond); |
| EXPECT_FALSE(switch_->HasResults()); |
| EXPECT_FALSE(switch_->HasMultiResults()); |
| } |
| |
| TEST_F(IR_SwitchTest, Parent) { |
| auto* switch_ = b.Switch(1_i); |
| b.Case(switch_, {Switch::CaseSelector{nullptr}}); |
| EXPECT_THAT(switch_->Cases().Front().Block()->Parent(), switch_); |
| } |
| |
| } // namespace |
| } // namespace tint::ir |