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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 (
"go/types"
"testing"
)
// importablePackages is a list of packages that we verify that we can
// import. This should be all standard library packages in all relevant
// versions of gccgo. Note that since gccgo follows a different release
// cycle, and since different systems have different versions installed,
// we can't use the last-two-versions rule of the gc toolchain.
var importablePackages = [...]string{
"archive/tar",
"archive/zip",
"bufio",
"bytes",
"compress/bzip2",
"compress/flate",
"compress/gzip",
"compress/lzw",
"compress/zlib",
"container/heap",
"container/list",
"container/ring",
"crypto/aes",
"crypto/cipher",
"crypto/des",
"crypto/dsa",
"crypto/ecdsa",
"crypto/elliptic",
"crypto",
"crypto/hmac",
"crypto/md5",
"crypto/rand",
"crypto/rc4",
"crypto/rsa",
"crypto/sha1",
"crypto/sha256",
"crypto/sha512",
"crypto/subtle",
"crypto/tls",
"crypto/x509",
"crypto/x509/pkix",
"database/sql/driver",
"database/sql",
"debug/dwarf",
"debug/elf",
"debug/gosym",
"debug/macho",
"debug/pe",
"encoding/ascii85",
"encoding/asn1",
"encoding/base32",
"encoding/base64",
"encoding/binary",
"encoding/csv",
"encoding/gob",
// "encoding", // Added in GCC 4.9.
"encoding/hex",
"encoding/json",
"encoding/pem",
"encoding/xml",
"errors",
"expvar",
"flag",
"fmt",
"go/ast",
"go/build",
"go/doc",
// "go/format", // Added in GCC 4.8.
"go/parser",
"go/printer",
"go/scanner",
"go/token",
"hash/adler32",
"hash/crc32",
"hash/crc64",
"hash/fnv",
"hash",
"html",
"html/template",
"image/color",
// "image/color/palette", // Added in GCC 4.9.
"image/draw",
"image/gif",
"image",
"image/jpeg",
"image/png",
"index/suffixarray",
"io",
"io/ioutil",
"log",
"log/syslog",
"math/big",
"math/cmplx",
"math",
"math/rand",
"mime",
"mime/multipart",
"net",
"net/http/cgi",
// "net/http/cookiejar", // Added in GCC 4.8.
"net/http/fcgi",
"net/http",
"net/http/httptest",
"net/http/httputil",
"net/http/pprof",
"net/mail",
"net/rpc",
"net/rpc/jsonrpc",
"net/smtp",
"net/textproto",
"net/url",
"os/exec",
"os",
"os/signal",
"os/user",
"path/filepath",
"path",
"reflect",
"regexp",
"regexp/syntax",
"runtime/debug",
"runtime",
"runtime/pprof",
"sort",
"strconv",
"strings",
"sync/atomic",
"sync",
"syscall",
"testing",
"testing/iotest",
"testing/quick",
"text/scanner",
"text/tabwriter",
"text/template",
"text/template/parse",
"time",
"unicode",
"unicode/utf16",
"unicode/utf8",
}
func TestInstallationImporter(t *testing.T) {
// This test relies on gccgo being around.
gpath := gccgoPath()
if gpath == "" {
t.Skip("This test needs gccgo")
}
// Even when we have gccgo, this doesn't work while building
// gccgo itself.
t.Skip("gccgo is not necessarily available")
var inst GccgoInstallation
err := inst.InitFromDriver(gpath)
if err != nil {
t.Fatal(err)
}
imp := inst.GetImporter(nil, nil)
// Ensure we don't regress the number of packages we can parse. First import
// all packages into the same map and then each individually.
pkgMap := make(map[string]*types.Package)
for _, pkg := range importablePackages {
_, err = imp(pkgMap, pkg, ".", nil)
if err != nil {
t.Error(err)
}
}
for _, pkg := range importablePackages {
_, err = imp(make(map[string]*types.Package), pkg, ".", nil)
if err != nil {
t.Error(err)
}
}
// Test for certain specific entities in the imported data.
for _, test := range [...]importerTest{
{pkgpath: "io", name: "Reader", want: "type Reader interface{Read(p []byte) (n int, err error)}"},
{pkgpath: "io", name: "ReadWriter", want: "type ReadWriter interface{Reader; Writer}"},
{pkgpath: "math", name: "Pi", want: "const Pi untyped float"},
{pkgpath: "math", name: "Sin", want: "func Sin(x float64) float64"},
{pkgpath: "sort", name: "Search", want: "func Search(n int, f func(int) bool) int"},
{pkgpath: "unsafe", name: "Pointer", want: "type Pointer"},
} {
runImporterTest(t, imp, nil, &test)
}
}