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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/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