1 // Copyright 2014 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package ppc64asm 6 7 import ( 8 "encoding/binary" 9 "encoding/hex" 10 "io/ioutil" 11 "strings" 12 "testing" 13 ) 14 15 func TestDecode(t *testing.T) { 16 data, err := ioutil.ReadFile("testdata/decode.txt") 17 if err != nil { 18 t.Fatal(err) 19 } 20 all := string(data) 21 for strings.Contains(all, "\t\t") { 22 all = strings.Replace(all, "\t\t", "\t", -1) 23 } 24 for _, line := range strings.Split(all, "\n") { 25 line = strings.TrimSpace(line) 26 if line == "" || strings.HasPrefix(line, "#") { 27 continue 28 } 29 f := strings.SplitN(line, "\t", 3) 30 i := strings.Index(f[0], "|") 31 if i < 0 { 32 t.Errorf("parsing %q: missing | separator", f[0]) 33 continue 34 } 35 if i%2 != 0 { 36 t.Errorf("parsing %q: misaligned | separator", f[0]) 37 } 38 size := i / 2 39 code, err := hex.DecodeString(f[0][:i] + f[0][i+1:]) 40 if err != nil { 41 t.Errorf("parsing %q: %v", f[0], err) 42 continue 43 } 44 syntax, asm := f[1], f[2] 45 inst, err := Decode(code, binary.BigEndian) 46 var out string 47 if err != nil { 48 out = "error: " + err.Error() 49 } else { 50 switch syntax { 51 case "gnu": 52 out = GNUSyntax(inst) 53 //case "plan9": 54 // out = GoSyntax(inst, 0, nil, nil) 55 default: 56 t.Errorf("unknown syntax %q", syntax) 57 continue 58 } 59 } 60 if out != asm || inst.Len != size { 61 t.Errorf("Decode(%s) [%s] = %s want %s", f[0], syntax, out, asm) 62 } 63 } 64 } 65
