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disasm_test.go
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disasm_test.go
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package go8086
import (
"bufio"
"github.com/stretchr/testify/assert"
"os"
"strconv"
"strings"
"testing"
)
type disasmTest struct {
address uint16
bytes Bytes
out string
line string
}
func disasmTests() []disasmTest {
file, err := os.Open("test/data.s")
if err != nil {
panic(err)
}
defer file.Close()
tests := []disasmTest{}
scanner := bufio.NewScanner(file)
for scanner.Scan() {
line := scanner.Text()
s := strings.Fields(scanner.Text())
address, _ := strconv.ParseUint(s[0], 16, 16)
in := hexStrToBytes(s[1])
t := disasmTest{uint16(address), in, strings.Join(s[2:], " "), line}
tests = append(tests, t)
}
return tests
}
func hexStrToBytes(s string) Bytes {
if len(s) == 0 {
return Bytes{}
} else {
i, _ := strconv.ParseInt(s[0:2], 16, 16)
b := byte(i)
return append(Bytes{b}, hexStrToBytes(s[2:])...)
}
}
func TestDisasm(t *testing.T) {
for _, test := range disasmTests() {
op := getOpcode(nil, test.address, test.bytes)
assert.Equal(t, test.out, op.Disasm())
assert.Equal(t, test.bytes, op.bytes)
}
}