File size: 2,923 Bytes
e36aeda | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 | // Copyright 2020 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 pkgpath
import (
"internal/testenv"
"os"
"testing"
)
const testEnvName = "GO_PKGPATH_TEST_COMPILER"
// This init function supports TestToSymbolFunc. For simplicity,
// we use the test binary itself as a sample gccgo driver.
// We set an environment variable to specify how it should behave.
func init() {
switch os.Getenv(testEnvName) {
case "":
return
case "v1":
os.Stdout.WriteString(`.string "go.l__ufer.Run"`)
os.Exit(0)
case "v2":
os.Stdout.WriteString(`.string "go.l..u00e4ufer.Run"`)
os.Exit(0)
case "v3":
os.Stdout.WriteString(`.string "go_0l_u00e4ufer.Run"`)
os.Exit(0)
case "error":
os.Stdout.WriteString(`unknown string`)
os.Exit(0)
}
}
func TestToSymbolFunc(t *testing.T) {
testenv.MustHaveExec(t)
const input = "pä世🜃"
tests := []struct {
env string
fail bool
mangled string
}{
{
env: "v1",
mangled: "p___",
},
{
env: "v2",
mangled: "p..u00e4..u4e16..U0001f703",
},
{
env: "v3",
mangled: "p_u00e4_u4e16_U0001f703",
},
{
env: "error",
fail: true,
},
}
cmd := os.Args[0]
tmpdir := t.TempDir()
defer os.Unsetenv(testEnvName)
for _, test := range tests {
t.Run(test.env, func(t *testing.T) {
os.Setenv(testEnvName, test.env)
fn, err := ToSymbolFunc(cmd, tmpdir)
if err != nil {
if !test.fail {
t.Errorf("ToSymbolFunc(%q, %q): unexpected error %v", cmd, tmpdir, err)
}
} else if test.fail {
t.Errorf("ToSymbolFunc(%q, %q) succeeded but expected to fail", cmd, tmpdir)
} else if got, want := fn(input), test.mangled; got != want {
t.Errorf("ToSymbolFunc(%q, %q)(%q) = %q, want %q", cmd, tmpdir, input, got, want)
}
})
}
}
var symbolTests = []struct {
input, v1, v2, v3 string
}{
{
"",
"",
"",
"",
},
{
"bytes",
"bytes",
"bytes",
"bytes",
},
{
"net/http",
"net_http",
"net..z2fhttp",
"net_1http",
},
{
"golang.org/x/net/http",
"golang_org_x_net_http",
"golang.x2eorg..z2fx..z2fnet..z2fhttp",
"golang_0org_1x_1net_1http",
},
{
"pä世.🜃",
"p____",
"p..u00e4..u4e16.x2e..U0001f703",
"p_u00e4_u4e16_0_U0001f703",
},
}
func TestV1(t *testing.T) {
for _, test := range symbolTests {
if got, want := toSymbolV1(test.input), test.v1; got != want {
t.Errorf("toSymbolV1(%q) = %q, want %q", test.input, got, want)
}
}
}
func TestV2(t *testing.T) {
for _, test := range symbolTests {
if got, want := toSymbolV2(test.input), test.v2; got != want {
t.Errorf("toSymbolV2(%q) = %q, want %q", test.input, got, want)
}
}
}
func TestV3(t *testing.T) {
for _, test := range symbolTests {
if got, want := toSymbolV3(test.input), test.v3; got != want {
t.Errorf("toSymbolV3(%q) = %q, want %q", test.input, got, want)
}
}
}
|