Source file test/linkmain_run.go

     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  
    11  package main
    12  
    13  import (
    14  	"fmt"
    15  	"io/ioutil"
    16  	"os"
    17  	"os/exec"
    18  	"path/filepath"
    19  	"strings"
    20  )
    21  
    22  var tmpDir string
    23  
    24  func cleanup() {
    25  	os.RemoveAll(tmpDir)
    26  }
    27  
    28  func 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  
    41  func 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  
    54  func 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  

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