--- /dev/null
+// 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}"},
+ {pkgpath: "notinheap", name: "S", want: "type S struct{}"},
+}
+
+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)
+ }
+ }
+}
projects / dotfiles / .git / blobdiff