| // 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/break_if.h" |
| |
| #include "gmock/gmock.h" |
| #include "gtest/gtest-spi.h" |
| #include "src/tint/ir/ir_test_helper.h" |
| |
| namespace tint::ir { |
| namespace { |
| |
| using namespace tint::number_suffixes; // NOLINT |
| using IR_BreakIfTest = IRTestHelper; |
| |
| TEST_F(IR_BreakIfTest, Usage) { |
| auto* loop = b.Loop(); |
| auto* cond = b.Constant(true); |
| auto* arg1 = b.Constant(1_u); |
| auto* arg2 = b.Constant(2_u); |
| |
| auto* brk = b.BreakIf(cond, loop, arg1, arg2); |
| |
| EXPECT_THAT(cond->Usages(), testing::UnorderedElementsAre(Usage{brk, 0u})); |
| EXPECT_THAT(arg1->Usages(), testing::UnorderedElementsAre(Usage{brk, 1u})); |
| EXPECT_THAT(arg2->Usages(), testing::UnorderedElementsAre(Usage{brk, 2u})); |
| } |
| |
| TEST_F(IR_BreakIfTest, Results) { |
| auto* loop = b.Loop(); |
| auto* cond = b.Constant(true); |
| auto* arg1 = b.Constant(1_u); |
| auto* arg2 = b.Constant(2_u); |
| |
| auto* brk = b.BreakIf(cond, loop, arg1, arg2); |
| EXPECT_FALSE(brk->HasResults()); |
| EXPECT_FALSE(brk->HasMultiResults()); |
| } |
| |
| TEST_F(IR_BreakIfTest, Fail_NullLoop) { |
| EXPECT_FATAL_FAILURE( |
| { |
| Module mod; |
| Builder b{mod}; |
| b.BreakIf(true, nullptr); |
| }, |
| ""); |
| } |
| |
| } // namespace |
| } // namespace tint::ir |