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// 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.
package gccgoimporter
import (
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"runtime"
"testing"
"code.google.com/p/go.tools/go/types"
)
type importerTest struct {
pkgpath, name, want, wantval string
}
func runImporterTest(t *testing.T, imp types.Importer, test *importerTest) {
pkg, err := imp(make(map[string]*types.Package), test.pkgpath)
if err != nil {
t.Error(err)
return
}
obj := pkg.Scope().Lookup(test.name)
if obj == nil {
t.Errorf("%s: object not found", test.name)
return
}
got := types.ObjectString(pkg, obj)
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)
}
}
}
var importerTests = [...]importerTest{
{pkgpath: "pointer", name: "Int8Ptr", want: "type Int8Ptr *int8"},
{pkgpath: "complexnums", name: "NN", want: "const NN untyped complex", wantval: "(-1/1 + -1/1i)"},
{pkgpath: "complexnums", name: "NP", want: "const NP untyped complex", wantval: "(-1/1 + 1/1i)"},
{pkgpath: "complexnums", name: "PN", want: "const PN untyped complex", wantval: "(1/1 + -1/1i)"},
{pkgpath: "complexnums", name: "PP", want: "const PP untyped complex", wantval: "(1/1 + 1/1i)"},
}
func TestGoxImporter(t *testing.T) {
imp := GetImporter([]string{"testdata"})
for _, test := range importerTests {
runImporterTest(t, imp, &test)
}
}
func TestObjImporter(t *testing.T) {
// This test relies on gccgo being around, which it most likely will be if we
// were compiled with gccgo.
if runtime.Compiler != "gccgo" {
t.Skip("This test needs gccgo")
return
}
tmpdir, err := ioutil.TempDir("", "")
if err != nil {
t.Fatal(err)
}
imp := GetImporter([]string{tmpdir})
for _, test := range importerTests {
gofile := filepath.Join("testdata", test.pkgpath+".go")
ofile := filepath.Join(tmpdir, test.pkgpath+".o")
cmd := exec.Command("gccgo", "-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, &test)
if err := os.Remove(ofile); err != nil {
t.Fatal(err)
}
}
if err = os.Remove(tmpdir); err != nil {
t.Fatal(err)
}
}
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