// itself via "go test -cover".
func TestCoverWithToolExec(t *testing.T) {
	testenv.MustHaveExec(t)

	toolexecArg := "-toolexec=" + testcover(t)

	t.Run("CoverHTML", func(t *testing.T) {
		testCoverHTML(t, toolexecArg)
	})
	t.Run("HtmlUnformatted", func(t *testing.T) {
		testHtmlUnformatted(t, toolexecArg)
	})
	t.Run("FuncWithDuplicateLines", func(t *testing.T) {
		testFuncWithDuplicateLines(t, toolexecArg)
	})

		t.Fatal(err)
	}

	cmd := testenv.Command(t,
		testenv.GoToolPath(t), "build", "-o",
		filepath.Join(tmpdir, "output"))

	cmd.Env = append(os.Environ(),
		"GOARCH=amd64", "GOOS=linux", "GOPATH="+filepath.Join(tmpdir, "_gopath"))
	cmd.Dir = tmpdir

	out, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatalf("error %s output %s", err, out)
	}
	cmd2 := testenv.Command(t,

//go:build unix

package os_test

import (
	"errors"
	"internal/testenv"
	"math"
	. "os"
	"runtime"
	"syscall"
	"testing"
)

func TestErrProcessDone(t *testing.T) {
	testenv.MustHaveGoBuild(t)
	t.Parallel()

	p, err := StartProcess(testenv.GoToolPath(t), []string{"go"}, &ProcAttr{})
	if err != nil {
		t.Fatalf("starting test process: %v", err)
	}
	p.Wait()

Laura Kassovic <******@****.***> 1701107622 -0800

package swig

import (
	"cmd/internal/quoted"
	"internal/testenv"
	"os"
	"os/exec"
	"path/filepath"
	"regexp"
	"strconv"
	"strings"
	"sync"
	"testing"
)

func TestStdio(t *testing.T) {
	testenv.MustHaveCGO(t)
	mustHaveSwig(t)
	run(t, "testdata/stdio", false)
}

func TestCall(t *testing.T) {
	testenv.MustHaveCGO(t)
	mustHaveSwig(t)
	mustHaveCxx(t)

	}
}

// Tests that the nethttpomithttp2 build tag doesn't rot too much,
// even if there's not a regular builder on it.
func TestOmitHTTP2(t *testing.T) {
	if testing.Short() {
		t.Skip("skipping in short mode")
	}
	t.Parallel()
	goTool := testenv.GoToolPath(t)
	out, err := testenv.Command(t, goTool, "test", "-short", "-tags=nethttpomithttp2", "net/http").CombinedOutput()
	if err != nil {

var testingTrueInPackageVarInit = testing.Testing()

// init is part of TestTesting.
func init() {
	if testing.Testing() {
		testingTrueInInit = true
	}
}

var testingProg = `
package main

import (
	"fmt"
	"testing"
)

func main() {
	fmt.Println(testing.Testing())
}
`

func TestTesting(t *testing.T) {
	if !testing.Testing() {

// license that can be found in the LICENSE file.

package obj

import (
	"bytes"
	"internal/testenv"
	"os"
	"path/filepath"
	"testing"
	"unsafe"

	"cmd/internal/goobj"
	"cmd/internal/sys"
)

var dummyArch = LinkArch{Arch: sys.ArchAMD64}

func TestContentHash64(t *testing.T) {
	s1 := &LSym{P: []byte("A")}
	s2 := &LSym{P: []byte("A\x00\x00\x00")}
	s1.Set(AttrContentAddressable, true)

package main

import (
	"bytes"
	"internal/testenv"
	"os"
	"path/filepath"
	"strconv"
	"testing"
)

// Issues 43830, 46295
func TestCGOLTO(t *testing.T) {
	testenv.MustHaveCGO(t)
	testenv.MustHaveGoBuild(t)

	t.Parallel()

	goEnv := func(arg string) string {
		cmd := testenv.Command(t, testenv.GoToolPath(t), "env", arg)
		cmd.Stderr = new(bytes.Buffer)

	cmd.Stdin = os.Stdin
	cmd.Stdout = os.Stdout
	cmd.Stderr = os.Stderr
	if err := cmd.Run(); err != nil {
		os.Exit(1)
	}
	os.Exit(0)
}

func testDWARF(t *testing.T, buildmode string, expectDWARF bool, env ...string) {
	testenv.MustHaveCGO(t)
	testenv.MustHaveGoBuild(t)

	if !platform.ExecutableHasDWARF(runtime.GOOS, runtime.GOARCH) {
		t.Skipf("skipping on %s/%s: no DWARF symbol table in executables", runtime.GOOS, runtime.GOARCH)