/*
* Copyright (C) 2014 The Android Open Source Project
*
* 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 "pretty_printer.h"
#include "base/arena_allocator.h"
#include "builder.h"
#include "dex/dex_file.h"
#include "dex/dex_instruction.h"
#include "nodes.h"
#include "optimizing_unit_test.h"
#include "gtest/gtest.h"
namespace art {
class PrettyPrinterTest : public OptimizingUnitTest {
protected:
void TestCode(const std::vector<uint16_t>& data, const char* expected);
};
void PrettyPrinterTest::TestCode(const std::vector<uint16_t>& data, const char* expected) {
HGraph* graph = CreateCFG(data);
StringPrettyPrinter printer(graph);
printer.VisitInsertionOrder();
ASSERT_STREQ(expected, printer.str().c_str());
}
TEST_F(PrettyPrinterTest, ReturnVoid) {
const std::vector<uint16_t> data = ZERO_REGISTER_CODE_ITEM(
Instruction::RETURN_VOID);
const char* expected =
"BasicBlock 0, succ: 1\n"
" 0: SuspendCheck\n"
" 1: Goto 1\n"
"BasicBlock 1, pred: 0, succ: 2\n"
" 2: ReturnVoid\n"
"BasicBlock 2, pred: 1\n"
" 3: Exit\n";
TestCode(data, expected);
}
TEST_F(PrettyPrinterTest, CFG1) {
const char* expected =
"BasicBlock 0, succ: 1\n"
" 0: SuspendCheck\n"
" 1: Goto 1\n"
"BasicBlock 1, pred: 0, succ: 2\n"
" 2: Goto 2\n"
"BasicBlock 2, pred: 1, succ: 3\n"
" 3: ReturnVoid\n"
"BasicBlock 3, pred: 2\n"
" 4: Exit\n";
const std::vector<uint16_t> data =
ZERO_REGISTER_CODE_ITEM(
Instruction::GOTO | 0x100,
Instruction::RETURN_VOID);
TestCode(data, expected);
}
TEST_F(PrettyPrinterTest, CFG2) {
const char* expected =
"BasicBlock 0, succ: 1\n"
" 0: SuspendCheck\n"
" 1: Goto 1\n"
"BasicBlock 1, pred: 0, succ: 2\n"
" 2: Goto 2\n"
"BasicBlock 2, pred: 1, succ: 3\n"
" 3: Goto 3\n"
"BasicBlock 3, pred: 2, succ: 4\n"
" 4: ReturnVoid\n"
"BasicBlock 4, pred: 3\n"
" 5: Exit\n";
const std::vector<uint16_t> data = ZERO_REGISTER_CODE_ITEM(
Instruction::GOTO | 0x100,
Instruction::GOTO | 0x100,
Instruction::RETURN_VOID);
TestCode(data, expected);
}
TEST_F(PrettyPrinterTest, CFG3) {
const char* expected =
"BasicBlock 0, succ: 1\n"
" 0: SuspendCheck\n"
" 1: Goto 1\n"
"BasicBlock 1, pred: 0, succ: 3\n"
" 2: Goto 3\n"
"BasicBlock 2, pred: 3, succ: 4\n"
" 4: ReturnVoid\n"
"BasicBlock 3, pred: 1, succ: 2\n"
" 3: Goto 2\n"
"BasicBlock 4, pred: 2\n"
" 5: Exit\n";
const std::vector<uint16_t> data1 = ZERO_REGISTER_CODE_ITEM(
Instruction::GOTO | 0x200,
Instruction::RETURN_VOID,
Instruction::GOTO | 0xFF00);
TestCode(data1, expected);
const std::vector<uint16_t> data2 = ZERO_REGISTER_CODE_ITEM(
Instruction::GOTO_16, 3,
Instruction::RETURN_VOID,
Instruction::GOTO_16, 0xFFFF);
TestCode(data2, expected);
const std::vector<uint16_t> data3 = ZERO_REGISTER_CODE_ITEM(
Instruction::GOTO_32, 4, 0,
Instruction::RETURN_VOID,
Instruction::GOTO_32, 0xFFFF, 0xFFFF);
TestCode(data3, expected);
}
TEST_F(PrettyPrinterTest, CFG4) {
const char* expected =
"BasicBlock 0, succ: 3\n"
" 1: SuspendCheck\n"
" 2: Goto 3\n"
"BasicBlock 1, pred: 3, 1, succ: 1\n"
" 3: SuspendCheck\n"
" 4: Goto 1\n"
"BasicBlock 3, pred: 0, succ: 1\n"
" 0: Goto 1\n";
const std::vector<uint16_t> data1 = ZERO_REGISTER_CODE_ITEM(
Instruction::NOP,
Instruction::GOTO | 0xFF00);
TestCode(data1, expected);
const std::vector<uint16_t> data2 = ZERO_REGISTER_CODE_ITEM(
Instruction::GOTO_32, 0, 0);
TestCode(data2, expected);
}
TEST_F(PrettyPrinterTest, CFG5) {
const char* expected =
"BasicBlock 0, succ: 1\n"
" 0: SuspendCheck\n"
" 1: Goto 1\n"
"BasicBlock 1, pred: 0, succ: 3\n"
" 2: ReturnVoid\n"
"BasicBlock 3, pred: 1\n"
" 3: Exit\n";
const std::vector<uint16_t> data = ZERO_REGISTER_CODE_ITEM(
Instruction::RETURN_VOID,
Instruction::GOTO | 0x100,
Instruction::GOTO | 0xFE00);
TestCode(data, expected);
}
TEST_F(PrettyPrinterTest, CFG6) {
const char* expected =
"BasicBlock 0, succ: 1\n"
" 3: IntConstant [4, 4]\n"
" 1: SuspendCheck\n"
" 2: Goto 1\n"
"BasicBlock 1, pred: 0, succ: 5, 2\n"
" 4: Equal(3, 3) [5]\n"
" 5: If(4)\n"
"BasicBlock 2, pred: 1, succ: 3\n"
" 6: Goto 3\n"
"BasicBlock 3, pred: 5, 2, succ: 4\n"
" 7: ReturnVoid\n"
"BasicBlock 4, pred: 3\n"
" 8: Exit\n"
"BasicBlock 5, pred: 1, succ: 3\n"
" 0: Goto 3\n";
const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
Instruction::CONST_4 | 0 | 0,
Instruction::IF_EQ, 3,
Instruction::GOTO | 0x100,
Instruction::RETURN_VOID);
TestCode(data, expected);
}
TEST_F(PrettyPrinterTest, CFG7) {
const char* expected =
"BasicBlock 0, succ: 1\n"
" 4: IntConstant [5, 5]\n"
" 2: SuspendCheck\n"
" 3: Goto 1\n"
"BasicBlock 1, pred: 0, succ: 5, 6\n"
" 5: Equal(4, 4) [6]\n"
" 6: If(5)\n"
"BasicBlock 2, pred: 6, 3, succ: 3\n"
" 11: Goto 3\n"
"BasicBlock 3, pred: 5, 2, succ: 2\n"
" 8: SuspendCheck\n"
" 9: Goto 2\n"
"BasicBlock 5, pred: 1, succ: 3\n"
" 0: Goto 3\n"
"BasicBlock 6, pred: 1, succ: 2\n"
" 1: Goto 2\n";
const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
Instruction::CONST_4 | 0 | 0,
Instruction::IF_EQ, 3,
Instruction::GOTO | 0x100,
Instruction::GOTO | 0xFF00);
TestCode(data, expected);
}
TEST_F(PrettyPrinterTest, IntConstant) {
const char* expected =
"BasicBlock 0, succ: 1\n"
" 2: IntConstant\n"
" 0: SuspendCheck\n"
" 1: Goto 1\n"
"BasicBlock 1, pred: 0, succ: 2\n"
" 3: ReturnVoid\n"
"BasicBlock 2, pred: 1\n"
" 4: Exit\n";
const std::vector<uint16_t> data = ONE_REGISTER_CODE_ITEM(
Instruction::CONST_4 | 0 | 0,
Instruction::RETURN_VOID);
TestCode(data, expected);
}
} // namespace art