// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package modload

import (
	"context"
	"errors"
	"fmt"
	"io/fs"
	"os"
	"path"
	"path/filepath"
	"runtime"
	"sort"
	"strings"
	"sync"

	"cmd/go/internal/cfg"
	"cmd/go/internal/fsys"
	"cmd/go/internal/gover"
	"cmd/go/internal/imports"

	got := formatStack(pcs)
	want := `redacted.go:0: runtime.gopanic
traceback_system_test.go:85: runtime_test.child7: 	panic("oops")
traceback_system_test.go:68: runtime_test.child6: 	child7() // appears in stack trace
traceback_system_test.go:59: runtime_test.child5: 	child6() // appears in stack trace
traceback_system_test.go:53: runtime_test.child4: 	child5()
traceback_system_test.go:49: runtime_test.child3: 	child4()

// Copyright 2022 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 main

import (
	"cmd/go/internal/base"
	"os"
	"strings"
	"testing"
)

func TestChdir(t *testing.T) {
	// We want -C to apply to every go subcommand.
	// Test that every command either has a -C flag registered
	// or has CustomFlags set. In the latter case, the command

The -go=version flag sets the expected Go language version.

The -toolchain=name flag sets the Go toolchain to use.

The -print flag prints the final go.work in its text format instead of
writing it back to go.mod.

The -json flag prints the final go.work file in JSON format instead of
writing it back to go.mod. The JSON output corresponds to these Go types:

	type GoWork struct {

// Copyright 2021 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.

// Issue 42580: cmd/cgo: shifting identifier position in ast

package errorstest

import (
	"bytes"
	"fmt"
	"go/ast"
	"go/parser"
	"go/token"
	"internal/testenv"
	"os"
	"os/exec"
	"path/filepath"
	"strings"
	"testing"
)

type ShortPosition struct {

// Copyright 2017 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 test

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

func TestReproducibleBuilds(t *testing.T) {
	tests := []string{
		"issue20272.go",
		"issue27013.go",
		"issue30202.go",
	}

	testenv.MustHaveGoBuild(t)
	iters := 10

}

var tests = []GoodFileTest{
	{"file.go", true},
	{"file.c", true},
	{"file_foo.go", true},
	{"file_" + thisArch + ".go", true},
	{"file_" + otherArch + ".go", false},
	{"file_" + thisOS + ".go", true},
	{"file_" + otherOS + ".go", false},
	{"file_" + thisOS + "_" + thisArch + ".go", true},
	{"file_" + otherOS + "_" + thisArch + ".go", false},
	{"file_" + thisOS + "_" + otherArch + ".go", false},

//
//	go get toolchain@patch
//
// See https://golang.org/ref/mod#go-get for details.
//
// In earlier versions of Go, 'go get' was used to build and install packages.
// Now, 'go get' is dedicated to adjusting dependencies in go.mod. 'go install'
// may be used to build and install commands instead. When a version is specified,
// 'go install' runs in module-aware mode and ignores the go.mod file in the

// Copyright 2012 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.

//go:build ignore

//
// usage:
//
// go run makeisprint.go -output isprint.go
//

package main

import (
	"bytes"
	"flag"
	"fmt"
	"go/format"
	"log"
	"os"
	"slices"
	"unicode"
)

	// Output:
	// By user: [{dmr C 100} {glenda Go 200} {gri Go 100} {gri Smalltalk 80} {ken C 150} {ken Go 200} {r Go 100} {r C 150} {rsc Go 200}]
	// By user,<lines: [{dmr C 100} {glenda Go 200} {gri Smalltalk 80} {gri Go 100} {ken C 150} {ken Go 200} {r Go 100} {r C 150} {rsc Go 200}]
	// By user,>lines: [{dmr C 100} {glenda Go 200} {gri Go 100} {gri Smalltalk 80} {ken Go 200} {ken C 150} {r C 150} {r Go 100} {rsc Go 200}]