aboutsummaryrefslogtreecommitdiffstats
path: root/test/libevmasm/Assembler.cpp
blob: 6976755f966614e7ae82c177d734964c6fed8a94 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
/*
    This file is part of solidity.

    solidity is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    solidity is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with solidity.  If not, see <http://www.gnu.org/licenses/>.
*/
/**
 * @author Alex Beregszaszi
 * @date 2018
 * Tests for the assembler.
 */

#include <libdevcore/JSON.h>
#include <libevmasm/Assembly.h>

#include <boost/test/unit_test.hpp>

#include <string>
#include <tuple>
#include <memory>

using namespace std;
using namespace langutil;
using namespace dev::eth;

namespace dev
{
namespace solidity
{
namespace test
{

namespace
{
    void checkCompilation(::dev::eth::Assembly const& _assembly)
    {
        LinkerObject output = _assembly.assemble();
        BOOST_CHECK(output.bytecode.size() > 0);
        BOOST_CHECK(output.toHex().length() > 0);
    }
}

BOOST_AUTO_TEST_SUITE(Assembler)

BOOST_AUTO_TEST_CASE(all_assembly_items)
{
    Assembly _assembly;
    auto root_asm = make_shared<CharStream>("", "root.asm");
    _assembly.setSourceLocation(SourceLocation(1, 3, root_asm));

    Assembly _subAsm;
    auto sub_asm = make_shared<CharStream>("", "sub.asm");
    _subAsm.setSourceLocation(SourceLocation(6, 8, sub_asm));
    _subAsm.append(Instruction::INVALID);
    shared_ptr<Assembly> _subAsmPtr = make_shared<Assembly>(_subAsm);

    // Tag
    auto tag = _assembly.newTag();
    _assembly.append(tag);
    // Operation
    _assembly.append(u256(1));
    _assembly.append(u256(2));
    // Push
    _assembly.append(Instruction::KECCAK256);
    // PushProgramSize
    _assembly.appendProgramSize();
    // PushLibraryAddress
    _assembly.appendLibraryAddress("someLibrary");
    // PushTag + Operation
    _assembly.appendJump(tag);
    // PushString
    _assembly.append("Unused feature for pushing string");
    // PushData
    _assembly.append(bytes{0x1, 0x2, 0x3, 0x4});
    // PushSubSize
    auto sub = _assembly.appendSubroutine(_subAsmPtr);
    // PushSub
    _assembly.pushSubroutineOffset(size_t(sub.data()));
    // PushDeployTimeAddress
    _assembly.append(PushDeployTimeAddress);
    // Operation
    _assembly.append(Instruction::STOP);
    _assembly.appendAuxiliaryDataToEnd(bytes{0x42, 0x66});
    _assembly.appendAuxiliaryDataToEnd(bytes{0xee, 0xaa});

    checkCompilation(_assembly);

    BOOST_CHECK_EQUAL(
        _assembly.assemble().toHex(),
        "5b6001600220606773__$bf005014d9d0f534b8fcb268bd84c491a2$__"
        "6000567f556e75736564206665617475726520666f722070757368696e"
        "6720737472696e605f6001605e73000000000000000000000000000000000000000000fe"
        "fe010203044266eeaa"
    );
    BOOST_CHECK_EQUAL(
        _assembly.assemblyString(),
        "    /* \"root.asm\":1:3   */\n"
        "tag_1:\n"
        "  keccak256(0x02, 0x01)\n"
        "  bytecodeSize\n"
        "  linkerSymbol(\"bf005014d9d0f534b8fcb268bd84c491a2380f4acd260d1ccfe9cd8201f7e994\")\n"
        "  jump(tag_1)\n"
        "  data_027497964124140851e8a9992ba16b5c1aaf9730b78d6036c8d65e3bb5ea4c8f\n"
        "  data_a6885b3731702da62e8e4a8f584ac46a7f6822f4e2ba50fba902f67b1588d23b\n"
        "  dataSize(sub_0)\n"
        "  dataOffset(sub_0)\n"
        "  deployTimeAddress()\n"
        "  stop\n"
        "stop\n"
        "data_a6885b3731702da62e8e4a8f584ac46a7f6822f4e2ba50fba902f67b1588d23b 01020304\n"
        "\n"
        "sub_0: assembly {\n"
        "        /* \"sub.asm\":6:8   */\n"
        "      invalid\n"
        "}\n"
        "\n"
        "auxdata: 0x4266eeaa\n"
    );
    BOOST_CHECK_EQUAL(
        dev::jsonCompactPrint(_assembly.assemblyJSON()),
        "{\".auxdata\":\"4266eeaa\",\".code\":[{\"begin\":1,\"end\":3,\"name\":\"tag\",\"value\":\"1\"},"
        "{\"begin\":1,\"end\":3,\"name\":\"JUMPDEST\"},"
        "{\"begin\":1,\"end\":3,\"name\":\"PUSH\",\"value\":\"1\"},"
        "{\"begin\":1,\"end\":3,\"name\":\"PUSH\",\"value\":\"2\"},"
        "{\"begin\":1,\"end\":3,\"name\":\"KECCAK256\"},"
        "{\"begin\":1,\"end\":3,\"name\":\"PUSHSIZE\"},"
        "{\"begin\":1,\"end\":3,\"name\":\"PUSHLIB\",\"value\":\"someLibrary\"},"
        "{\"begin\":1,\"end\":3,\"name\":\"PUSH [tag]\",\"value\":\"1\"},"
        "{\"begin\":1,\"end\":3,\"name\":\"JUMP\"},"
        "{\"begin\":1,\"end\":3,\"name\":\"PUSH tag\",\"value\":\"Unused feature for pushing string\"},"
        "{\"begin\":1,\"end\":3,\"name\":\"PUSH data\",\"value\":\"A6885B3731702DA62E8E4A8F584AC46A7F6822F4E2BA50FBA902F67B1588D23B\"},"
        "{\"begin\":1,\"end\":3,\"name\":\"PUSH #[$]\",\"value\":\"0000000000000000000000000000000000000000000000000000000000000000\"},"
        "{\"begin\":1,\"end\":3,\"name\":\"PUSH [$]\",\"value\":\"0000000000000000000000000000000000000000000000000000000000000000\"},"
        "{\"begin\":1,\"end\":3,\"name\":\"PUSHDEPLOYADDRESS\"},"
        "{\"begin\":1,\"end\":3,\"name\":\"STOP\"}],"
        "\".data\":{\"0\":{\".code\":[{\"begin\":6,\"end\":8,\"name\":\"INVALID\"}]},"
        "\"A6885B3731702DA62E8E4A8F584AC46A7F6822F4E2BA50FBA902F67B1588D23B\":\"01020304\"}}"
    );
}

BOOST_AUTO_TEST_SUITE_END()

}
}
} // end namespaces