1 // Copyright 2016 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.
5 package gccgoexportdata_test
12 "golang.org/x/tools/go/gccgoexportdata"
15 // Test ensures this package can read gccgo export data from the
16 // .go_export from a standalone ELF file or such a file in an archive
19 // The testdata/{short,long}.a ELF archive files were produced by:
21 // $ echo 'package foo; func F()' > foo.go
22 // $ gccgo -c -fgo-pkgpath blah foo.go
23 // $ objcopy -j .go_export foo.o foo.gox
24 // $ ar q short.a foo.gox
25 // $ objcopy -j .go_export foo.o name-longer-than-16-bytes.gox
26 // $ ar q long.a name-longer-than-16-bytes.gox
28 // The file long.a contains an archive string table.
30 // The errors.gox file (an ELF object file) comes from the toolchain's
32 func Test(t *testing.T) {
33 for _, test := range []struct {
34 filename, path, member, wantType string
36 {"testdata/errors.gox", "errors", "New", "func(text string) error"},
37 {"testdata/short.a", "short", "F", "func()"},
38 {"testdata/long.a", "long", "F", "func()"},
40 t.Logf("filename = %s", test.filename)
41 f, err := os.Open(test.filename)
47 r, err := gccgoexportdata.NewReader(f)
53 imports := make(map[string]*types.Package)
54 pkg, err := gccgoexportdata.Read(r, nil, imports, test.path)
60 // Check type of designated package member.
61 obj := pkg.Scope().Lookup(test.member)
63 t.Errorf("%s.%s not found", test.path, test.member)
66 if obj.Type().String() != test.wantType {
67 t.Errorf("%s.%s.Type = %s, want %s",
68 test.path, test.member, obj.Type(), test.wantType)