| 1 | 'use strict'
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| 2 |
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| 3 | var tape = require('tape')
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| 4 | var disassemble = require('../src/code/disassembler').disassemble
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| 5 |
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| 6 | tape('Disassembler', function (t) {
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| 7 | t.test('empty', function (st) {
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| 8 | st.plan(1)
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| 9 | st.equal(disassemble(''), '')
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| 10 | })
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| 11 | t.test('add', function (st) {
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| 12 | st.plan(1)
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| 13 | st.equal(disassemble('0x01'), 'add')
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| 14 | })
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| 15 | t.test('push', function (st) {
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| 16 | st.plan(1)
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| 17 | st.equal(disassemble('0x640203'), '0x0203000000')
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| 18 | })
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| 19 | t.test('complexcode', function (st) {
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| 20 | st.plan(1)
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| 21 | var code = '60606040526009600060005055607e8060186000396000f360606040526000357c0100000000000000000000000000000000000000000000000000000000900480630dbe671f146039576035565b6002565b3460025760486004805050604a565b005b6000600090505b600a811015607a5760006000818150548092919060010191905055505b80806001019150506051565b5b5056'
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| 22 | var asm = `mstore(0x40, 0x60)
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| 23 | 0x09
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| 24 | 0x00
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| 25 | pop(0x00)
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| 26 | sstore
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| 27 | 0x7e
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| 28 | dup1
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| 29 | 0x18
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| 30 | 0x00
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| 31 | codecopy
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| 32 | 0x00
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| 33 | return
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| 34 | mstore(0x40, 0x60)
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| 35 | calldataload(0x00)
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| 36 | 0x0100000000000000000000000000000000000000000000000000000000
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| 37 | swap1
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| 38 | div
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| 39 | dup1
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| 40 | 0x0dbe671f
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| 41 | eq
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| 42 | 0x39
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| 43 | jumpi
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| 44 | jump(0x35)
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| 45 | label1:
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| 46 | jump(0x02)
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| 47 | label2:
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| 48 | jumpi(0x02, callvalue())
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| 49 | 0x48
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| 50 | 0x04
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| 51 | dup1
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| 52 | pop
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| 53 | pop
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| 54 | jump(0x4a)
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| 55 | label3:
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| 56 | stop()
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| 57 | label4:
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| 58 | 0x00
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| 59 | 0x00
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| 60 | swap1
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| 61 | pop
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| 62 | label5:
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| 63 | 0x0a
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| 64 | dup2
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| 65 | lt
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| 66 | iszero
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| 67 | 0x7a
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| 68 | jumpi
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| 69 | 0x00
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| 70 | 0x00
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| 71 | dup2
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| 72 | dup2
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| 73 | pop
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| 74 | sload
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| 75 | dup1
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| 76 | swap3
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| 77 | swap2
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| 78 | swap1
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| 79 | 0x01
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| 80 | add
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| 81 | swap2
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| 82 | swap1
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| 83 | pop
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| 84 | sstore
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| 85 | pop
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| 86 | label6:
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| 87 | dup1
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| 88 | dup1
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| 89 | 0x01
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| 90 | add
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| 91 | swap2
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| 92 | pop
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| 93 | pop
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| 94 | jump(0x51)
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| 95 | label7:
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| 96 | label8:
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| 97 | pop
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| 98 | jump`
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| 99 | st.equal(disassemble(code), asm)
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| 100 | })
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| 101 | })
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