| // Copyright 2014 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package armasm |
| |
| import ( |
| "encoding/hex" |
| "io/ioutil" |
| "strconv" |
| "strings" |
| "testing" |
| ) |
| |
| func TestDecode(t *testing.T) { |
| data, err := ioutil.ReadFile("testdata/decode.txt") |
| if err != nil { |
| t.Fatal(err) |
| } |
| all := string(data) |
| for strings.Contains(all, "\t\t") { |
| all = strings.Replace(all, "\t\t", "\t", -1) |
| } |
| for _, line := range strings.Split(all, "\n") { |
| line = strings.TrimSpace(line) |
| if line == "" || strings.HasPrefix(line, "#") { |
| continue |
| } |
| f := strings.SplitN(line, "\t", 4) |
| i := strings.Index(f[0], "|") |
| if i < 0 { |
| t.Errorf("parsing %q: missing | separator", f[0]) |
| continue |
| } |
| if i%2 != 0 { |
| t.Errorf("parsing %q: misaligned | separator", f[0]) |
| } |
| size := i / 2 |
| code, err := hex.DecodeString(f[0][:i] + f[0][i+1:]) |
| if err != nil { |
| t.Errorf("parsing %q: %v", f[0], err) |
| continue |
| } |
| mode, err := strconv.Atoi(f[1]) |
| if err != nil { |
| t.Errorf("invalid mode %q in: %s", f[1], line) |
| continue |
| } |
| syntax, asm := f[2], f[3] |
| inst, err := Decode(code, Mode(mode)) |
| var out string |
| if err != nil { |
| out = "error: " + err.Error() |
| } else { |
| switch syntax { |
| case "gnu": |
| out = GNUSyntax(inst) |
| case "plan9": |
| out = Plan9Syntax(inst, 0, nil, nil) |
| default: |
| t.Errorf("unknown syntax %q", syntax) |
| continue |
| } |
| } |
| if out != asm || inst.Len != size { |
| t.Errorf("Decode(%s) [%s] = %s, %d, want %s, %d", f[0], syntax, out, inst.Len, asm, size) |
| } |
| } |
| } |
