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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgo/] [go/] [exp/] [types/] [gcimporter_test.go] - Rev 861
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// Copyright 2011 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 types
import (
"go/ast"
"io/ioutil"
"os/exec"
"path/filepath"
"runtime"
"strings"
"testing"
"time"
)
var gcName, gcPath string // compiler name and path
func init() {
// determine compiler
switch runtime.GOARCH {
case "386":
gcName = "8g"
case "amd64":
gcName = "6g"
case "arm":
gcName = "5g"
default:
gcName = "unknown-GOARCH-compiler"
gcPath = gcName
return
}
gcPath = filepath.Join(runtime.GOROOT(), "/bin/tool/", gcName)
}
func compile(t *testing.T, dirname, filename string) {
cmd := exec.Command(gcPath, filename)
cmd.Dir = dirname
out, err := cmd.CombinedOutput()
if err != nil {
t.Errorf("%s %s failed: %s", gcName, filename, err)
return
}
t.Logf("%s", string(out))
}
// Use the same global imports map for all tests. The effect is
// as if all tested packages were imported into a single package.
var imports = make(map[string]*ast.Object)
func testPath(t *testing.T, path string) bool {
_, err := GcImporter(imports, path)
if err != nil {
t.Errorf("testPath(%s): %s", path, err)
return false
}
return true
}
const maxTime = 3 * time.Second
func testDir(t *testing.T, dir string, endTime time.Time) (nimports int) {
dirname := filepath.Join(pkgRoot, dir)
list, err := ioutil.ReadDir(dirname)
if err != nil {
t.Errorf("testDir(%s): %s", dirname, err)
}
for _, f := range list {
if time.Now().After(endTime) {
t.Log("testing time used up")
return
}
switch {
case !f.IsDir():
// try extensions
for _, ext := range pkgExts {
if strings.HasSuffix(f.Name(), ext) {
name := f.Name()[0 : len(f.Name())-len(ext)] // remove extension
if testPath(t, filepath.Join(dir, name)) {
nimports++
}
}
}
case f.IsDir():
nimports += testDir(t, filepath.Join(dir, f.Name()), endTime)
}
}
return
}
func TestGcImport(t *testing.T) {
compile(t, "testdata", "exports.go")
nimports := 0
if testPath(t, "./testdata/exports") {
nimports++
}
nimports += testDir(t, "", time.Now().Add(maxTime)) // installed packages
t.Logf("tested %d imports", nimports)
}
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