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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/loop.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_LoopTest = IRTestHelper;
TEST_F(IR_LoopTest, Parent) {
auto* loop = b.Loop();
EXPECT_EQ(loop->Initializer()->Parent(), loop);
EXPECT_EQ(loop->Body()->Parent(), loop);
EXPECT_EQ(loop->Continuing()->Parent(), loop);
}
TEST_F(IR_LoopTest, Result) {
auto* loop = b.Loop();
EXPECT_FALSE(loop->HasResults());
EXPECT_FALSE(loop->HasMultiResults());
}
TEST_F(IR_LoopTest, Fail_NullInitializerBlock) {
EXPECT_FATAL_FAILURE(
{
Module mod;
Builder b{mod};
Loop loop(nullptr, b.MultiInBlock(), b.MultiInBlock());
},
"");
}
TEST_F(IR_LoopTest, Fail_NullBodyBlock) {
EXPECT_FATAL_FAILURE(
{
Module mod;
Builder b{mod};
Loop loop(b.Block(), nullptr, b.MultiInBlock());
},
"");
}
TEST_F(IR_LoopTest, Fail_NullContinuingBlock) {
EXPECT_FATAL_FAILURE(
{
Module mod;
Builder b{mod};
Loop loop(b.Block(), b.MultiInBlock(), nullptr);
},
"");
}
} // namespace
} // namespace tint::ir