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

// Package testenv provides information about what functionality
// is available in different testing environments run by the Go team.
//
// It is an internal package because these details are specific
// to the Go team's test setup (on build.golang.org) and not
// fundamental to tests in general.
package testenv

import (
	"bytes"
	"errors"
	"flag"
	"fmt"
	"internal/cfg"

	importcfgfile := filepath.Join(tmpdir, "importcfg")
	testenv.WriteImportcfg(t, importcfgfile, nil, main)

	cmd := testenv.Command(t, testenv.GoToolPath(t), "tool", "compile", "-importcfg="+importcfgfile, "-p=main", "main.go")
	cmd.Dir = tmpdir
	out, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatalf("failed to compile main.go: %v, output: %s\n", err, out)
	}

	"cmd/link/internal/ld"
	"debug/elf"
	"fmt"
	"internal/platform"
	"internal/testenv"
	"os"
	"os/exec"
	"path/filepath"
	"runtime"
	"strings"
	"sync"
	"testing"
	"text/template"
)

func getCCAndCCFLAGS(t *testing.T, env []string) (string, []string) {
	goTool := testenv.GoToolPath(t)
	cmd := testenv.Command(t, goTool, "env", "CC")
	cmd.Env = env
	ccb, err := cmd.Output()
	if err != nil {

	goTool, err := testenv.GoTool()
	if err != nil {
		t.Fatalf("testenv.GoTool(): %v", err)
	}
	t.Logf("testenv.GoTool() = %q", goTool)

	gotInfo, err := os.Stat(goTool)
	if err != nil {
		t.Fatal(err)
	}
	if !os.SameFile(wantInfo, gotInfo) {
		t.Fatalf("%q is not the same file as %q", absWant, goTool)
	}
}

func TestHasGoBuild(t *testing.T) {
	if !testenv.HasGoBuild() {
		switch runtime.GOOS {

import (
	"bufio"
	"bytes"
	"fmt"
	"internal/testenv"
	"os/exec"
	"path/filepath"
	"runtime"
	"strings"
	"syscall"
	"testing"
)

func TestVectoredHandlerExceptionInNonGoThread(t *testing.T) {
	if *flagQuick {
		t.Skip("-quick")
	}
	if strings.HasPrefix(testenv.Builder(), "windows-amd64-2012") {
		testenv.SkipFlaky(t, 49681)
	}
	testenv.MustHaveGoBuild(t)
	testenv.MustHaveCGO(t)
	testenv.MustHaveExecPath(t, "gcc")

	dst := filepath.Join(dir, "test")

	// Compile source.
	cmd := testenv.Command(t, testenv.GoToolPath(t), "build", "-o", dst, src)
	out, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatalf("could not build target: %v\n%s", err, out)
	}

	// Check destination to see if scanf code was included.
	cmd = testenv.Command(t, testenv.GoToolPath(t), "tool", "nm", dst)
	out, err = cmd.CombinedOutput()
	if err != nil {

package runtime_test

import (
	"bytes"
	"internal/testenv"
	"os"
	"os/exec"
	"testing"
)

// Test that the generated code for the lock rank graph is up-to-date.
func TestLockRankGenerated(t *testing.T) {
	testenv.MustHaveGoRun(t)
	cmd := testenv.CleanCmdEnv(testenv.Command(t, testenv.GoToolPath(t), "run", "mklockrank.go"))
	want, err := cmd.Output()
	if err != nil {

	testenv.MustHaveGoBuild(t)

	cmd := testenv.Command(t, testenv.GoToolPath(t), "test")
	cmd.Dir = "testdata/testbranch"
	if out, err := testenv.CleanCmdEnv(cmd).CombinedOutput(); err != nil {
		t.Errorf("Branch test failed: %v\n%s", err, out)
	}
}

func TestPCAlign(t *testing.T) {
	dir := t.TempDir()
	tmpfile := filepath.Join(dir, "x.s")
	asm := `
TEXT _stub(SB),$0-0
	FENCE
	PCALIGN	$8
	FENCE
	RET

		testEnv.initCSINodes(scenario.initCSINodes)
		testEnv.initVolumes(scenario.initPVs, nil)
		testEnv.initClaims(scenario.initPVCs, nil)
		testEnv.assumeVolumes(t, "node1", pod, scenario.bindings, scenario.provisionedPVCs)

		// Before execute
		if err := testEnv.updateVolumes(ctx, scenario.apiPVs); err != nil {
			t.Errorf("Failed to update PVs: %v", err)
		}

package ld

import (
	"internal/testenv"
	"path/filepath"
	"testing"
)

func TestNooptCgoBuild(t *testing.T) {
	if testing.Short() {
		t.Skip("skipping test in short mode.")
	}
	t.Parallel()

	testenv.MustHaveGoBuild(t)
	testenv.MustHaveCGO(t)
	dir := t.TempDir()
	cmd := testenv.Command(t, testenv.GoToolPath(t), "build", "-gcflags=-N -l", "-o", filepath.Join(dir, "a.out"))