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// 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_helper_test.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