| // Copyright 2013 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. |
| |
| // Except for this comment, this file is a verbatim copy of the file |
| // with the same name in $GOROOT/src/go/internal/gccgoimporter without |
| // the import of "testenv". |
| |
| package gccgoimporter |
| |
| import ( |
| "go/types" |
| "io/ioutil" |
| "os" |
| "os/exec" |
| "path/filepath" |
| "regexp" |
| "strconv" |
| "testing" |
| ) |
| |
| type importerTest struct { |
| pkgpath, name, want, wantval string |
| wantinits []string |
| gccgoVersion int // minimum gccgo version (0 => any) |
| } |
| |
| func runImporterTest(t *testing.T, imp Importer, initmap map[*types.Package]InitData, test *importerTest) { |
| pkg, err := imp(make(map[string]*types.Package), test.pkgpath, ".", nil) |
| if err != nil { |
| t.Error(err) |
| return |
| } |
| |
| if test.name != "" { |
| obj := pkg.Scope().Lookup(test.name) |
| if obj == nil { |
| t.Errorf("%s: object not found", test.name) |
| return |
| } |
| |
| got := types.ObjectString(obj, types.RelativeTo(pkg)) |
| if got != test.want { |
| t.Errorf("%s: got %q; want %q", test.name, got, test.want) |
| } |
| |
| if test.wantval != "" { |
| gotval := obj.(*types.Const).Val().String() |
| if gotval != test.wantval { |
| t.Errorf("%s: got val %q; want val %q", test.name, gotval, test.wantval) |
| } |
| } |
| } |
| |
| if len(test.wantinits) > 0 { |
| initdata := initmap[pkg] |
| found := false |
| // Check that the package's own init function has the package's priority |
| for _, pkginit := range initdata.Inits { |
| if pkginit.InitFunc == test.wantinits[0] { |
| found = true |
| break |
| } |
| } |
| |
| if !found { |
| t.Errorf("%s: could not find expected function %q", test.pkgpath, test.wantinits[0]) |
| } |
| |
| // FIXME: the original version of this test was written against |
| // the v1 export data scheme for capturing init functions, so it |
| // verified the priority values. We moved away from the priority |
| // scheme some time ago; it is not clear how much work it would be |
| // to validate the new init export data. |
| } |
| } |
| |
| // When adding tests to this list, be sure to set the 'gccgoVersion' |
| // field if the testcases uses a "recent" Go addition (ex: aliases). |
| var importerTests = [...]importerTest{ |
| {pkgpath: "pointer", name: "Int8Ptr", want: "type Int8Ptr *int8"}, |
| {pkgpath: "complexnums", name: "NN", want: "const NN untyped complex", wantval: "(-1 + -1i)"}, |
| {pkgpath: "complexnums", name: "NP", want: "const NP untyped complex", wantval: "(-1 + 1i)"}, |
| {pkgpath: "complexnums", name: "PN", want: "const PN untyped complex", wantval: "(1 + -1i)"}, |
| {pkgpath: "complexnums", name: "PP", want: "const PP untyped complex", wantval: "(1 + 1i)"}, |
| {pkgpath: "conversions", name: "Bits", want: "const Bits Units", wantval: `"bits"`}, |
| {pkgpath: "time", name: "Duration", want: "type Duration int64"}, |
| {pkgpath: "time", name: "Nanosecond", want: "const Nanosecond Duration", wantval: "1"}, |
| {pkgpath: "unicode", name: "IsUpper", want: "func IsUpper(r rune) bool"}, |
| {pkgpath: "unicode", name: "MaxRune", want: "const MaxRune untyped rune", wantval: "1114111"}, |
| {pkgpath: "imports", wantinits: []string{"imports..import", "fmt..import"}}, |
| {pkgpath: "importsar", name: "Hello", want: "var Hello string"}, |
| {pkgpath: "aliases", name: "A14", gccgoVersion: 7, want: "type A14 = func(int, T0) chan T2"}, |
| {pkgpath: "aliases", name: "C0", gccgoVersion: 7, want: "type C0 struct{f1 C1; f2 C1}"}, |
| {pkgpath: "escapeinfo", name: "NewT", want: "func NewT(data []byte) *T"}, |
| {pkgpath: "issue27856", name: "M", gccgoVersion: 7, want: "type M struct{E F}"}, |
| {pkgpath: "v1reflect", name: "Type", want: "type Type interface{Align() int; AssignableTo(u Type) bool; Bits() int; ChanDir() ChanDir; Elem() Type; Field(i int) StructField; FieldAlign() int; FieldByIndex(index []int) StructField; FieldByName(name string) (StructField, bool); FieldByNameFunc(match func(string) bool) (StructField, bool); Implements(u Type) bool; In(i int) Type; IsVariadic() bool; Key() Type; Kind() Kind; Len() int; Method(int) Method; MethodByName(string) (Method, bool); Name() string; NumField() int; NumIn() int; NumMethod() int; NumOut() int; Out(i int) Type; PkgPath() string; Size() uintptr; String() string; common() *commonType; rawString() string; runtimeType() *runtimeType; uncommon() *uncommonType}"}, |
| {pkgpath: "nointerface", name: "I", want: "type I int"}, |
| {pkgpath: "issue29198", name: "FooServer", gccgoVersion: 7, want: "type FooServer struct{FooServer *FooServer; user string; ctx context.Context}"}, |
| {pkgpath: "issue30628", name: "Apple", want: "type Apple struct{hey sync.RWMutex; x int; RQ [517]struct{Count uintptr; NumBytes uintptr; Last uintptr}}"}, |
| {pkgpath: "issue31540", name: "S", gccgoVersion: 7, want: "type S struct{b int; map[Y]Z}"}, |
| {pkgpath: "issue34182", name: "T1", want: "type T1 struct{f *T2}"}, |
| } |
| |
| func TestGoxImporter(t *testing.T) { |
| testenv.MustHaveExec(t) // this is to skip nacl, js |
| initmap := make(map[*types.Package]InitData) |
| imp := GetImporter([]string{"testdata"}, initmap) |
| |
| for _, test := range importerTests { |
| runImporterTest(t, imp, initmap, &test) |
| } |
| } |
| |
| // gccgoPath returns a path to gccgo if it is present (either in |
| // path or specified via GCCGO environment variable), or an |
| // empty string if no gccgo is available. |
| func gccgoPath() string { |
| gccgoname := os.Getenv("GCCGO") |
| if gccgoname == "" { |
| gccgoname = "gccgo" |
| } |
| if gpath, gerr := exec.LookPath(gccgoname); gerr == nil { |
| return gpath |
| } |
| return "" |
| } |
| |
| func TestObjImporter(t *testing.T) { |
| // This test relies on gccgo being around. |
| gpath := gccgoPath() |
| if gpath == "" { |
| t.Skip("This test needs gccgo") |
| } |
| |
| verout, err := exec.Command(gpath, "--version").CombinedOutput() |
| if err != nil { |
| t.Logf("%s", verout) |
| t.Fatal(err) |
| } |
| vers := regexp.MustCompile(`([0-9]+)\.([0-9]+)`).FindSubmatch(verout) |
| if len(vers) == 0 { |
| t.Fatalf("could not find version number in %s", verout) |
| } |
| major, err := strconv.Atoi(string(vers[1])) |
| if err != nil { |
| t.Fatal(err) |
| } |
| minor, err := strconv.Atoi(string(vers[2])) |
| if err != nil { |
| t.Fatal(err) |
| } |
| t.Logf("gccgo version %d.%d", major, minor) |
| |
| tmpdir, err := ioutil.TempDir("", "TestObjImporter") |
| if err != nil { |
| t.Fatal(err) |
| } |
| defer os.RemoveAll(tmpdir) |
| |
| initmap := make(map[*types.Package]InitData) |
| imp := GetImporter([]string{tmpdir}, initmap) |
| |
| artmpdir, err := ioutil.TempDir("", "TestObjImporter") |
| if err != nil { |
| t.Fatal(err) |
| } |
| defer os.RemoveAll(artmpdir) |
| |
| arinitmap := make(map[*types.Package]InitData) |
| arimp := GetImporter([]string{artmpdir}, arinitmap) |
| |
| for _, test := range importerTests { |
| if major < test.gccgoVersion { |
| // Support for type aliases was added in GCC 7. |
| t.Logf("skipping %q: not supported before gccgo version %d", test.pkgpath, test.gccgoVersion) |
| continue |
| } |
| |
| gofile := filepath.Join("testdata", test.pkgpath+".go") |
| if _, err := os.Stat(gofile); os.IsNotExist(err) { |
| continue |
| } |
| ofile := filepath.Join(tmpdir, test.pkgpath+".o") |
| afile := filepath.Join(artmpdir, "lib"+test.pkgpath+".a") |
| |
| cmd := exec.Command(gpath, "-fgo-pkgpath="+test.pkgpath, "-c", "-o", ofile, gofile) |
| out, err := cmd.CombinedOutput() |
| if err != nil { |
| t.Logf("%s", out) |
| t.Fatalf("gccgo %s failed: %s", gofile, err) |
| } |
| |
| runImporterTest(t, imp, initmap, &test) |
| |
| cmd = exec.Command("ar", "cr", afile, ofile) |
| out, err = cmd.CombinedOutput() |
| if err != nil { |
| t.Logf("%s", out) |
| t.Fatalf("ar cr %s %s failed: %s", afile, ofile, err) |
| } |
| |
| runImporterTest(t, arimp, arinitmap, &test) |
| |
| if err = os.Remove(ofile); err != nil { |
| t.Fatal(err) |
| } |
| if err = os.Remove(afile); err != nil { |
| t.Fatal(err) |
| } |
| } |
| } |
