github.com/aloncn/graphics-go@v0.0.1/src/go/internal/gccgoimporter/gccgoinstallation_test.go (about)

     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  package gccgoimporter
     6  
     7  import (
     8  	"go/types"
     9  	"runtime"
    10  	"testing"
    11  )
    12  
    13  var importablePackages = [...]string{
    14  	"archive/tar",
    15  	"archive/zip",
    16  	"bufio",
    17  	"bytes",
    18  	"compress/bzip2",
    19  	"compress/flate",
    20  	"compress/gzip",
    21  	"compress/lzw",
    22  	"compress/zlib",
    23  	"container/heap",
    24  	"container/list",
    25  	"container/ring",
    26  	"crypto/aes",
    27  	"crypto/cipher",
    28  	"crypto/des",
    29  	"crypto/dsa",
    30  	"crypto/ecdsa",
    31  	"crypto/elliptic",
    32  	"crypto",
    33  	"crypto/hmac",
    34  	"crypto/md5",
    35  	"crypto/rand",
    36  	"crypto/rc4",
    37  	"crypto/rsa",
    38  	"crypto/sha1",
    39  	"crypto/sha256",
    40  	"crypto/sha512",
    41  	"crypto/subtle",
    42  	"crypto/tls",
    43  	"crypto/x509",
    44  	"crypto/x509/pkix",
    45  	"database/sql/driver",
    46  	"database/sql",
    47  	"debug/dwarf",
    48  	"debug/elf",
    49  	"debug/gosym",
    50  	"debug/macho",
    51  	"debug/pe",
    52  	"encoding/ascii85",
    53  	"encoding/asn1",
    54  	"encoding/base32",
    55  	"encoding/base64",
    56  	"encoding/binary",
    57  	"encoding/csv",
    58  	"encoding/gob",
    59  	"encoding",
    60  	"encoding/hex",
    61  	"encoding/json",
    62  	"encoding/pem",
    63  	"encoding/xml",
    64  	"errors",
    65  	"exp/proxy",
    66  	"exp/terminal",
    67  	"expvar",
    68  	"flag",
    69  	"fmt",
    70  	"go/ast",
    71  	"go/build",
    72  	"go/doc",
    73  	"go/format",
    74  	"go/parser",
    75  	"go/printer",
    76  	"go/scanner",
    77  	"go/token",
    78  	"hash/adler32",
    79  	"hash/crc32",
    80  	"hash/crc64",
    81  	"hash/fnv",
    82  	"hash",
    83  	"html",
    84  	"html/template",
    85  	"image/color",
    86  	"image/color/palette",
    87  	"image/draw",
    88  	"image/gif",
    89  	"image",
    90  	"image/jpeg",
    91  	"image/png",
    92  	"index/suffixarray",
    93  	"io",
    94  	"io/ioutil",
    95  	"log",
    96  	"log/syslog",
    97  	"math/big",
    98  	"math/cmplx",
    99  	"math",
   100  	"math/rand",
   101  	"mime",
   102  	"mime/multipart",
   103  	"net",
   104  	"net/http/cgi",
   105  	"net/http/cookiejar",
   106  	"net/http/fcgi",
   107  	"net/http",
   108  	"net/http/httptest",
   109  	"net/http/httputil",
   110  	"net/http/pprof",
   111  	"net/mail",
   112  	"net/rpc",
   113  	"net/rpc/jsonrpc",
   114  	"net/smtp",
   115  	"net/textproto",
   116  	"net/url",
   117  	"old/regexp",
   118  	"old/template",
   119  	"os/exec",
   120  	"os",
   121  	"os/signal",
   122  	"os/user",
   123  	"path/filepath",
   124  	"path",
   125  	"reflect",
   126  	"regexp",
   127  	"regexp/syntax",
   128  	"runtime/debug",
   129  	"runtime",
   130  	"runtime/pprof",
   131  	"sort",
   132  	"strconv",
   133  	"strings",
   134  	"sync/atomic",
   135  	"sync",
   136  	"syscall",
   137  	"testing",
   138  	"testing/iotest",
   139  	"testing/quick",
   140  	"text/scanner",
   141  	"text/tabwriter",
   142  	"text/template",
   143  	"text/template/parse",
   144  	"time",
   145  	"unicode",
   146  	"unicode/utf16",
   147  	"unicode/utf8",
   148  }
   149  
   150  func TestInstallationImporter(t *testing.T) {
   151  	// This test relies on gccgo being around, which it most likely will be if we
   152  	// were compiled with gccgo.
   153  	if runtime.Compiler != "gccgo" {
   154  		t.Skip("This test needs gccgo")
   155  		return
   156  	}
   157  
   158  	var inst GccgoInstallation
   159  	err := inst.InitFromDriver("gccgo")
   160  	if err != nil {
   161  		t.Fatal(err)
   162  	}
   163  	imp := inst.GetImporter(nil, nil)
   164  
   165  	// Ensure we don't regress the number of packages we can parse. First import
   166  	// all packages into the same map and then each individually.
   167  	pkgMap := make(map[string]*types.Package)
   168  	for _, pkg := range importablePackages {
   169  		_, err = imp(pkgMap, pkg)
   170  		if err != nil {
   171  			t.Error(err)
   172  		}
   173  	}
   174  
   175  	for _, pkg := range importablePackages {
   176  		_, err = imp(make(map[string]*types.Package), pkg)
   177  		if err != nil {
   178  			t.Error(err)
   179  		}
   180  	}
   181  
   182  	// Test for certain specific entities in the imported data.
   183  	for _, test := range [...]importerTest{
   184  		{pkgpath: "io", name: "Reader", want: "type Reader interface{Read(p []uint8) (n int, err error)}"},
   185  		{pkgpath: "io", name: "ReadWriter", want: "type ReadWriter interface{Reader; Writer}"},
   186  		{pkgpath: "math", name: "Pi", want: "const Pi untyped float"},
   187  		{pkgpath: "math", name: "Sin", want: "func Sin(x float64) float64"},
   188  		{pkgpath: "sort", name: "Ints", want: "func Ints(a []int)"},
   189  		{pkgpath: "unsafe", name: "Pointer", want: "type Pointer unsafe.Pointer"},
   190  	} {
   191  		runImporterTest(t, imp, nil, &test)
   192  	}
   193  }