)

func TestNewerToolchain(t *testing.T) {
	for _, tt := range newerToolchainTests {
		out, err := newerToolchain(tt.need, tt.list)
		if (err != nil) != (out == "") {
			t.Errorf("newerToolchain(%v, %v) = %v, %v, want error", tt.need, tt.list, out, err)
			continue
		}
		if out != tt.out {
			t.Errorf("newerToolchain(%v, %v) = %v, %v want %v, nil", tt.need, tt.list, out, err, tt.out)
		}
	}
}

var f = strings.Fields

		}
	}
	sort.Slice(list, func(i, j int) bool {
		return gover.Compare(list[i], list[j]) < 0
	})
	return list, nil
}

// newerToolchain implements NewerToolchain where the list of choices is known.
// It is separated out for easier testing of this logic.
func newerToolchain(need string, list []string) (string, error) {
	// Consider each release in the list, from newest to oldest,

env GOTOOLCHAIN=local
go mod edit -toolchain=none -go=1.50.0
grep 'go 1.50.0$' go.mod
! grep toolchain go.mod
env GOTOOLCHAIN=auto
! go version
stderr 'running go1.50.0 from PATH'

# NewerToolchain should find Go 1.50.0.
env GOTOOLCHAIN=local
go mod edit -toolchain=none -go=1.22
grep 'go 1.22$' go.mod
! grep toolchain go.mod
env GOTOOLCHAIN=path
! go run rsc.io/fortune@v0.0.1