| 1 | // Copyright 2013 The Go Authors. All rights reserved. |
|---|---|
| 2 | // Use of this source code is governed by a BSD-style |
| 3 | // license that can be found in the LICENSE file. |
| 4 | |
| 5 | // Except for this comment, this file is a verbatim copy of the file |
| 6 | // with the same name in $GOROOT/src/go/internal/gccgoimporter. |
| 7 | |
| 8 | package gccgoimporter |
| 9 | |
| 10 | import ( |
| 11 | "go/types" |
| 12 | "runtime" |
| 13 | "testing" |
| 14 | ) |
| 15 | |
| 16 | // importablePackages is a list of packages that we verify that we can |
| 17 | // import. This should be all standard library packages in all relevant |
| 18 | // versions of gccgo. Note that since gccgo follows a different release |
| 19 | // cycle, and since different systems have different versions installed, |
| 20 | // we can't use the last-two-versions rule of the gc toolchain. |
| 21 | var importablePackages = [...]string{ |
| 22 | "archive/tar", |
| 23 | "archive/zip", |
| 24 | "bufio", |
| 25 | "bytes", |
| 26 | "compress/bzip2", |
| 27 | "compress/flate", |
| 28 | "compress/gzip", |
| 29 | "compress/lzw", |
| 30 | "compress/zlib", |
| 31 | "container/heap", |
| 32 | "container/list", |
| 33 | "container/ring", |
| 34 | "crypto/aes", |
| 35 | "crypto/cipher", |
| 36 | "crypto/des", |
| 37 | "crypto/dsa", |
| 38 | "crypto/ecdsa", |
| 39 | "crypto/elliptic", |
| 40 | "crypto", |
| 41 | "crypto/hmac", |
| 42 | "crypto/md5", |
| 43 | "crypto/rand", |
| 44 | "crypto/rc4", |
| 45 | "crypto/rsa", |
| 46 | "crypto/sha1", |
| 47 | "crypto/sha256", |
| 48 | "crypto/sha512", |
| 49 | "crypto/subtle", |
| 50 | "crypto/tls", |
| 51 | "crypto/x509", |
| 52 | "crypto/x509/pkix", |
| 53 | "database/sql/driver", |
| 54 | "database/sql", |
| 55 | "debug/dwarf", |
| 56 | "debug/elf", |
| 57 | "debug/gosym", |
| 58 | "debug/macho", |
| 59 | "debug/pe", |
| 60 | "encoding/ascii85", |
| 61 | "encoding/asn1", |
| 62 | "encoding/base32", |
| 63 | "encoding/base64", |
| 64 | "encoding/binary", |
| 65 | "encoding/csv", |
| 66 | "encoding/gob", |
| 67 | // "encoding", // Added in GCC 4.9. |
| 68 | "encoding/hex", |
| 69 | "encoding/json", |
| 70 | "encoding/pem", |
| 71 | "encoding/xml", |
| 72 | "errors", |
| 73 | "expvar", |
| 74 | "flag", |
| 75 | "fmt", |
| 76 | "go/ast", |
| 77 | "go/build", |
| 78 | "go/doc", |
| 79 | // "go/format", // Added in GCC 4.8. |
| 80 | "go/parser", |
| 81 | "go/printer", |
| 82 | "go/scanner", |
| 83 | "go/token", |
| 84 | "hash/adler32", |
| 85 | "hash/crc32", |
| 86 | "hash/crc64", |
| 87 | "hash/fnv", |
| 88 | "hash", |
| 89 | "html", |
| 90 | "html/template", |
| 91 | "image/color", |
| 92 | // "image/color/palette", // Added in GCC 4.9. |
| 93 | "image/draw", |
| 94 | "image/gif", |
| 95 | "image", |
| 96 | "image/jpeg", |
| 97 | "image/png", |
| 98 | "index/suffixarray", |
| 99 | "io", |
| 100 | "io/ioutil", |
| 101 | "log", |
| 102 | "log/syslog", |
| 103 | "math/big", |
| 104 | "math/cmplx", |
| 105 | "math", |
| 106 | "math/rand", |
| 107 | "mime", |
| 108 | "mime/multipart", |
| 109 | "net", |
| 110 | "net/http/cgi", |
| 111 | // "net/http/cookiejar", // Added in GCC 4.8. |
| 112 | "net/http/fcgi", |
| 113 | "net/http", |
| 114 | "net/http/httptest", |
| 115 | "net/http/httputil", |
| 116 | "net/http/pprof", |
| 117 | "net/mail", |
| 118 | "net/rpc", |
| 119 | "net/rpc/jsonrpc", |
| 120 | "net/smtp", |
| 121 | "net/textproto", |
| 122 | "net/url", |
| 123 | "os/exec", |
| 124 | "os", |
| 125 | "os/signal", |
| 126 | "os/user", |
| 127 | "path/filepath", |
| 128 | "path", |
| 129 | "reflect", |
| 130 | "regexp", |
| 131 | "regexp/syntax", |
| 132 | "runtime/debug", |
| 133 | "runtime", |
| 134 | "runtime/pprof", |
| 135 | "sort", |
| 136 | "strconv", |
| 137 | "strings", |
| 138 | "sync/atomic", |
| 139 | "sync", |
| 140 | "syscall", |
| 141 | "testing", |
| 142 | "testing/iotest", |
| 143 | "testing/quick", |
| 144 | "text/scanner", |
| 145 | "text/tabwriter", |
| 146 | "text/template", |
| 147 | "text/template/parse", |
| 148 | "time", |
| 149 | "unicode", |
| 150 | "unicode/utf16", |
| 151 | "unicode/utf8", |
| 152 | } |
| 153 | |
| 154 | func TestInstallationImporter(t *testing.T) { |
| 155 | // This test relies on gccgo being around. |
| 156 | gpath := gccgoPath() |
| 157 | if gpath == "" { |
| 158 | t.Skip("This test needs gccgo") |
| 159 | } |
| 160 | if runtime.GOOS == "aix" { |
| 161 | // We don't yet have a debug/xcoff package for reading |
| 162 | // object files on AIX. Remove this skip if/when issue #29038 |
| 163 | // is implemented (see also issue #49445). |
| 164 | t.Skip("no support yet for debug/xcoff") |
| 165 | } |
| 166 | |
| 167 | var inst GccgoInstallation |
| 168 | err := inst.InitFromDriver(gpath) |
| 169 | if err != nil { |
| 170 | t.Fatal(err) |
| 171 | } |
| 172 | imp := inst.GetImporter(nil, nil) |
| 173 | |
| 174 | // Ensure we don't regress the number of packages we can parse. First import |
| 175 | // all packages into the same map and then each individually. |
| 176 | pkgMap := make(map[string]*types.Package) |
| 177 | for _, pkg := range importablePackages { |
| 178 | _, err = imp(pkgMap, pkg, ".", nil) |
| 179 | if err != nil { |
| 180 | t.Error(err) |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | for _, pkg := range importablePackages { |
| 185 | _, err = imp(make(map[string]*types.Package), pkg, ".", nil) |
| 186 | if err != nil { |
| 187 | t.Error(err) |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | // Test for certain specific entities in the imported data. |
| 192 | for _, test := range [...]importerTest{ |
| 193 | {pkgpath: "io", name: "Reader", want: "type Reader interface{Read(p []byte) (n int, err error)}"}, |
| 194 | {pkgpath: "io", name: "ReadWriter", want: "type ReadWriter interface{Reader; Writer}"}, |
| 195 | {pkgpath: "math", name: "Pi", want: "const Pi untyped float"}, |
| 196 | {pkgpath: "math", name: "Sin", want: "func Sin(x float64) float64"}, |
| 197 | {pkgpath: "sort", name: "Search", want: "func Search(n int, f func(int) bool) int"}, |
| 198 | {pkgpath: "unsafe", name: "Pointer", want: "type Pointer"}, |
| 199 | } { |
| 200 | runImporterTest(t, imp, nil, &test) |
| 201 | } |
| 202 | } |
| 203 |
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