Apply Fuzz test.

This release handles to diagnose testing.F in Go1.18.

update linter

package main

import (
	"os"
	"testing"
)

var (
	ee = os.Setenv("a", "b") // never seen
)

func setup() {
	os.Setenv("a", "b")        // never seen
	err := os.Setenv("a", "b") // never seen
	if err != nil {
		_ = err
	}
	os.Setenv("a", "b") // never seen
}

func F(t *testing.T) {
	setup()
	os.Setenv("a", "b")        // want "os\\.Setenv\\(\\) can be replaced by `t\\.Setenv\\(\\)` in F"
	err := os.Setenv("a", "b") // want "os\\.Setenv\\(\\) can be replaced by `t\\.Setenv\\(\\)` in F"
	_ = err
	if err := os.Setenv("a", "b"); err != nil { // want "os\\.Setenv\\(\\) can be replaced by `t\\.Setenv\\(\\)` in F"
		_ = err
	}
}

func BF(b *testing.B) {
	TBF(b)
	os.Setenv("a", "b")        // want "os\\.Setenv\\(\\) can be replaced by `b\\.Setenv\\(\\)` in BF"
	err := os.Setenv("a", "b") // want "os\\.Setenv\\(\\) can be replaced by `b\\.Setenv\\(\\)` in BF"
	_ = err
	if err := os.Setenv("a", "b"); err != nil { // want "os\\.Setenv\\(\\) can be replaced by `b\\.Setenv\\(\\)` in BF"
		_ = err
	}
}

func TBF(tb testing.TB) {
	os.Setenv("a", "b")        // want "os\\.Setenv\\(\\) can be replaced by `tb\\.Setenv\\(\\)` in TBF"
	err := os.Setenv("a", "b") // want "os\\.Setenv\\(\\) can be replaced by `tb\\.Setenv\\(\\)` in TBF"
	_ = err
	if err := os.Setenv("a", "b"); err != nil { // want "os\\.Setenv\\(\\) can be replaced by `tb\\.Setenv\\(\\)` in TBF"
		_ = err
	}
}

package main_test

import (
	"os"
	"testing"
)

var (
	e = os.Setenv("a", "b") // never seen
)

func testsetup() {
	os.Setenv("a", "b")        // if -all = true, want  "os\\.Setenv\\(\\) can be replaced by `testing\\.Setenv\\(\\)` in testsetup"
	err := os.Setenv("a", "b") // if -all = true, want  "os\\.Setenv\\(\\) can be replaced by `testing\\.Setenv\\(\\)` in testsetup"
	if err != nil {
		_ = err
	}
	os.Setenv("a", "b") // if -all = true, "func setup is not using testing.Setenv"
}

func TestF(t *testing.T) {
	testsetup()
	os.Setenv("a", "b")        // want "os\\.Setenv\\(\\) can be replaced by `t\\.Setenv\\(\\)` in TestF"
	err := os.Setenv("a", "b") // want "os\\.Setenv\\(\\) can be replaced by `t\\.Setenv\\(\\)` in TestF"
	_ = err
	if err := os.Setenv("a", "b"); err != nil { // want "os\\.Setenv\\(\\) can be replaced by `t\\.Setenv\\(\\)` in TestF"
		_ = err
	}
}

func BenchmarkF(b *testing.B) {
	TB(b)
	os.Setenv("a", "b")        // want "os\\.Setenv\\(\\) can be replaced by `b\\.Setenv\\(\\)` in BenchmarkF"
	err := os.Setenv("a", "b") // want "os\\.Setenv\\(\\) can be replaced by `b\\.Setenv\\(\\)` in BenchmarkF"
	_ = err
	if err := os.Setenv("a", "b"); err != nil { // want "os\\.Setenv\\(\\) can be replaced by `b\\.Setenv\\(\\)` in BenchmarkF"
		_ = err
	}
}

func TB(tb testing.TB) {
	os.Setenv("a", "b")        // want "os\\.Setenv\\(\\) can be replaced by `tb\\.Setenv\\(\\)` in TB"
	err := os.Setenv("a", "b") // want "os\\.Setenv\\(\\) can be replaced by `tb\\.Setenv\\(\\)` in TB"
	_ = err
	if err := os.Setenv("a", "b"); err != nil { // want "os\\.Setenv\\(\\) can be replaced by `tb\\.Setenv\\(\\)` in TB"
		_ = err
	}
}

fix all flag

v1.3.7

fix all flag

improve report message

v1.3.6

improve report message

delete confition and force option

v1.2.6

delete condition if go version is higher than 1.17 and delete force o…

Fix report message

v1.1.6

fix report message

Add all option

You can use all to check all methods.
By default, only methods that take *testing.T, *testing.B, and testing.TB as arguments are checked.

adjust package

v1.0.5

adjust function

fix panic error by out of range

v1.0.4

fix out of range panic

fix check version

v1.0.3

fix check version