// Store sets the value of the [Value] v to val.
// All calls to Store for a given Value must use values of the same concrete type.
// Store of an inconsistent type panics, as does Store(nil).
func (v *Value) Store(val any) {
	if val == nil {
		panic("sync/atomic: store of nil value into Value")
	}
	vp := (*efaceWords)(unsafe.Pointer(v))
	vlp := (*efaceWords)(unsafe.Pointer(&val))
	for {
		typ := LoadPointer(&vp.typ)

const never = "function did"

func unreachable() {
	panic("control flow shouldn't reach here")
}

// Calls f and verifies that f always/never panics depending on signal.
func testPanic(signal string, f func()) {
	defer func() {
		s := never
		if recover() != nil {
			s = always // f panicked
		}
		if s != signal {
			panic(signal + " panic")
		}
	}()
	f()
}

	defer mustNotRecover()
	defer func() {
		recover()
		defer mustRecover(3)
		panic(3)
	}()
	panic(2)
}

func test4() {
	// Single panic.
	defer mustNotRecover()
	defer func() {
		recover()
	}()
	panic(4)
}

func test5() {
	// Single panic but recover called via defer
	defer mustNotRecover()
	defer func() {
		defer recover()
	}()
	panic(5)
}

	logpkg.Fatalln("%d", 1)  // ERROR "Fatalln call has possible Printf formatting directive %d"
	logpkg.Panic("%d", 1)    // ERROR "Panic call has possible Printf formatting directive %d"
	logpkg.Panicf("%d", "x") // ERROR "Panicf format %d has arg \x22x\x22 of wrong type string"
	logpkg.Panicln("%d", 1)  // ERROR "Panicln call has possible Printf formatting directive %d"

	defer func() {
		mustNotRecover()
	}()
	panic(1)
}

func test2() {
	// Recover only sees the panic argument
	// if it is called from a deferred call.
	// It does not see the panic when called from a call within a deferred call (too late)
	// nor does it see the panic when it *is* the deferred call (too early).
	defer mustRecover(2)
	defer recover() // should be no-op
	panic(2)
}

func test3() {

# 'go test -json' should say a test fails if it exits 1 and prints nothing.
! go test -json ./exit1main
stdout '"Action":"fail".*\n\z'
! stdout '"Test":.*\n\z'

# 'go test -json' should say a test fails if it panics.
! go test -json ./panic
stdout '"Action":"fail".*\n\z'
! stdout '"Test":.*\n\z'

-- go.mod --
module example.com/test

go 1.14

-- pass/pass_test.go --
package pass_test

import "testing"

	emptySlice := []int{}

	if !panics(func() { Min(emptySlice) }) {
		t.Errorf("Min([]): got no panic, want panic")
	}

	if !panics(func() { Max(emptySlice) }) {
		t.Errorf("Max([]): got no panic, want panic")
	}

	if !panics(func() { MinFunc(emptySlice, intCmp) }) {
		t.Errorf("MinFunc([]): got no panic, want panic")
	}

	if !panics(func() { MaxFunc(emptySlice, intCmp) }) {

		~string
}

func Smallest[T Ordered](s []T) T {
	r := s[0] // panics if slice is empty
	for _, v := range s[1:] {
		if v < r {
			r = v
		}
	}
	return r
}

func main() {
	vec1 := []float64{5.3, 1.2, 32.8}
	vec2 := []string{"abc", "def", "aaa"}

	want1 := 1.2
	if got := Smallest(vec1); got != want1 {
		panic(fmt.Sprintf("got %d, want %d", got, want1))
	}
	want2 := "aaa"

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

//go:build windows

package fdtest

// Exists is not implemented on windows and panics.
func Exists(fd uintptr) bool {
	panic("unimplemented")

// the rest of the program. Used to hang indefinitely.
func TestNoRaceAtomicCrash(t *testing.T) {
	var mutex sync.Mutex
	var nilptr *int32
	panics := 0
	defer func() {
		if x := recover(); x != nil {
			mutex.Lock()
			panics++
			mutex.Unlock()
		} else {
			panic("no panic")
		}
	}()
	atomic.AddInt32(nilptr, 1)
}

func TestNoRaceDeferAtomicStore(t *testing.T) {