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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 "gtest/gtest-spi.h"
#include "src/tint/lang/core/ir/block.h"
#include "src/tint/lang/core/ir/builder.h"
#include "src/tint/lang/core/ir/ir_helper_test.h"
#include "src/tint/lang/core/ir/module.h"
namespace tint::core::ir {
namespace {
using IR_InstructionTest = IRTestHelper;
TEST_F(IR_InstructionTest, InsertBefore) {
auto* inst1 = b.Loop();
auto* inst2 = b.Loop();
auto* blk = b.Block();
blk->Append(inst2);
inst1->InsertBefore(inst2);
EXPECT_EQ(2u, blk->Length());
EXPECT_EQ(inst1->Block(), blk);
}
TEST_F(IR_InstructionTest, Fail_InsertBeforeNullptr) {
EXPECT_FATAL_FAILURE(
{
Module mod;
Builder b{mod};
auto* inst1 = b.Loop();
inst1->InsertBefore(nullptr);
},
"");
}
TEST_F(IR_InstructionTest, Fail_InsertBeforeNotInserted) {
EXPECT_FATAL_FAILURE(
{
Module mod;
Builder b{mod};
auto* inst1 = b.Loop();
auto* inst2 = b.Loop();
inst1->InsertBefore(inst2);
},
"");
}
TEST_F(IR_InstructionTest, InsertAfter) {
auto* inst1 = b.Loop();
auto* inst2 = b.Loop();
auto* blk = b.Block();
blk->Append(inst2);
inst1->InsertAfter(inst2);
EXPECT_EQ(2u, blk->Length());
EXPECT_EQ(inst1->Block(), blk);
}
TEST_F(IR_InstructionTest, Fail_InsertAfterNullptr) {
EXPECT_FATAL_FAILURE(
{
Module mod;
Builder b{mod};
auto* inst1 = b.Loop();
inst1->InsertAfter(nullptr);
},
"");
}
TEST_F(IR_InstructionTest, Fail_InsertAfterNotInserted) {
EXPECT_FATAL_FAILURE(
{
Module mod;
Builder b{mod};
auto* inst1 = b.Loop();
auto* inst2 = b.Loop();
inst1->InsertAfter(inst2);
},
"");
}
TEST_F(IR_InstructionTest, ReplaceWith) {
auto* inst1 = b.Loop();
auto* inst2 = b.Loop();
auto* blk = b.Block();
blk->Append(inst2);
inst2->ReplaceWith(inst1);
EXPECT_EQ(1u, blk->Length());
EXPECT_EQ(inst1->Block(), blk);
EXPECT_EQ(inst2->Block(), nullptr);
}
TEST_F(IR_InstructionTest, Fail_ReplaceWithNullptr) {
EXPECT_FATAL_FAILURE(
{
Module mod;
Builder b{mod};
auto* inst1 = b.Loop();
auto* blk = b.Block();
blk->Append(inst1);
inst1->ReplaceWith(nullptr);
},
"");
}
TEST_F(IR_InstructionTest, Fail_ReplaceWithNotInserted) {
EXPECT_FATAL_FAILURE(
{
Module mod;
Builder b{mod};
auto* inst1 = b.Loop();
auto* inst2 = b.Loop();
inst1->ReplaceWith(inst2);
},
"");
}
TEST_F(IR_InstructionTest, Remove) {
auto* inst1 = b.Loop();
auto* blk = b.Block();
blk->Append(inst1);
EXPECT_EQ(1u, blk->Length());
inst1->Remove();
EXPECT_EQ(0u, blk->Length());
EXPECT_EQ(inst1->Block(), nullptr);
}
TEST_F(IR_InstructionTest, Fail_RemoveNotInserted) {
EXPECT_FATAL_FAILURE(
{
Module mod;
Builder b{mod};
auto* inst1 = b.Loop();
inst1->Remove();
},
"");
}
} // namespace
} // namespace tint::core::ir