1// run
2
3//go:build !nacl && !js && !wasip1
4
5// Copyright 2014 The Go Authors. All rights reserved.
6// Use of this source code is governed by a BSD-style
7// license that can be found in the LICENSE file.
8
9// Run the sinit test.
10
11package main
12
13import (
14	"fmt"
15	"io/ioutil"
16	"os"
17	"os/exec"
18	"path/filepath"
19	"strings"
20)
21
22var tmpDir string
23
24func cleanup() {
25	os.RemoveAll(tmpDir)
26}
27
28func run(cmdline ...string) {
29	args := strings.Fields(strings.Join(cmdline, " "))
30	cmd := exec.Command(args[0], args[1:]...)
31	out, err := cmd.CombinedOutput()
32	if err != nil {
33		fmt.Printf("$ %s\n", cmdline)
34		fmt.Println(string(out))
35		fmt.Println(err)
36		cleanup()
37		os.Exit(1)
38	}
39}
40
41func runFail(cmdline ...string) {
42	args := strings.Fields(strings.Join(cmdline, " "))
43	cmd := exec.Command(args[0], args[1:]...)
44	out, err := cmd.CombinedOutput()
45	if err == nil {
46		fmt.Printf("$ %s\n", cmdline)
47		fmt.Println(string(out))
48		fmt.Println("SHOULD HAVE FAILED!")
49		cleanup()
50		os.Exit(1)
51	}
52}
53
54func main() {
55	var err error
56	tmpDir, err = ioutil.TempDir("", "")
57	if err != nil {
58		fmt.Println(err)
59		os.Exit(1)
60	}
61	tmp := func(name string) string {
62		return filepath.Join(tmpDir, name)
63	}
64
65    importcfg, err := exec.Command("go", "list", "-export", "-f", "{{if .Export}}packagefile {{.ImportPath}}={{.Export}}{{end}}", "std").Output()
66    if err != nil {
67        fmt.Println(err)
68        os.Exit(1)
69    }
70    os.WriteFile(tmp("importcfg"), importcfg, 0644)
71
72	// helloworld.go is package main
73    run("go tool compile -p=main -importcfg", tmp("importcfg"), "-o", tmp("linkmain.o"), "helloworld.go")
74	run("go tool compile -p=main -importcfg", tmp("importcfg"), " -pack -o", tmp("linkmain.a"), "helloworld.go")
75	run("go tool link -importcfg", tmp("importcfg"), "-o", tmp("linkmain.exe"), tmp("linkmain.o"))
76	run("go tool link -importcfg", tmp("importcfg"), "-o", tmp("linkmain.exe"), tmp("linkmain.a"))
77
78	// linkmain.go is not
79	run("go tool compile -importcfg", tmp("importcfg"), "-p=notmain -o", tmp("linkmain1.o"), "linkmain.go")
80	run("go tool compile -importcfg", tmp("importcfg"), "-p=notmain -pack -o", tmp("linkmain1.a"), "linkmain.go")
81	runFail("go tool link -importcfg", tmp("importcfg"), "-o", tmp("linkmain.exe"), tmp("linkmain1.o"))
82	runFail("go tool link -importcfg", tmp("importcfg"), "-o", tmp("linkmain.exe"), tmp("linkmain1.a"))
83	cleanup()
84}
85