blob: 33ce48f1bec9df0ce503fe8d6213528696668dff [file] [log] [blame]
// 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/if.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_IfTest = IRTestHelper;
TEST_F(IR_IfTest, Usage) {
auto* cond = b.Constant(true);
auto* if_ = b.If(cond);
EXPECT_THAT(cond->Usages(), testing::UnorderedElementsAre(Usage{if_, 0u}));
}
TEST_F(IR_IfTest, Result) {
auto* if_ = b.If(b.Constant(true));
EXPECT_FALSE(if_->HasResults());
EXPECT_FALSE(if_->HasMultiResults());
}
TEST_F(IR_IfTest, Parent) {
auto* cond = b.Constant(true);
auto* if_ = b.If(cond);
EXPECT_EQ(if_->True()->Parent(), if_);
EXPECT_EQ(if_->False()->Parent(), if_);
}
TEST_F(IR_IfTest, Fail_NullTrueBlock) {
EXPECT_FATAL_FAILURE(
{
Module mod;
Builder b{mod};
If if_(b.Constant(false), nullptr, b.Block());
},
"");
}
TEST_F(IR_IfTest, Fail_NullFalseBlock) {
EXPECT_FATAL_FAILURE(
{
Module mod;
Builder b{mod};
If if_(b.Constant(false), b.Block(), nullptr);
},
"");
}
} // namespace
} // namespace tint::ir