// 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.

package runtime_test

import (
	"flag"
	"fmt"
	"io"
	. "runtime"
	"runtime/debug"
	"slices"
	"strings"
	"sync"
	"testing"
	"time"
	"unsafe"
)

// flagQuick is set by the -quick option to skip some relatively slow tests.

Sascha Grunert <******@****.***> 1717050802 +0200

	// Make sure we don't have any extra frames on the stack (due to
	// open-coded defer processing)
	want := []string{"runtime.Callers", "runtime_test.TestCallersPanic.func1",
		"runtime.gopanic", "runtime_test.f3", "runtime_test.f2", "runtime_test.f1",
		"runtime_test.TestCallersPanic"}

	defer func() {
		if r := recover(); r == nil {
			t.Fatal("did not panic")
		}
		pcs := make([]uintptr, 20)

		r := ttiSimple1()
		check(t, r, "runtime_test.ttiSimple3(...)", "runtime_test.ttiSimple2(...)", "runtime_test.ttiSimple1()")
	})

	t.Run("sigpanic", func(t *testing.T) {
		// Check that sigpanic from an inlined function prints correctly
		r := ttiSigpanic1()
		check(t, r, "runtime_test.ttiSigpanic1.func1()", "panic", "runtime_test.ttiSigpanic3(...)", "runtime_test.ttiSigpanic2(...)", "runtime_test.ttiSigpanic1()")
	})

		// nil calls to interface methods cause a sigpanic.
		testStackWrapperPanic(t, func() { I.M(nil) }, "runtime_test.I.M")
	})
	t.Run("panicwrap", func(t *testing.T) {
		// Nil calls to value method wrappers call panicwrap.
		wrapper := (*structWithMethod).nop
		testStackWrapperPanic(t, func() { wrapper(nil) }, "runtime_test.(*structWithMethod).nop")
	})
}

func testStackWrapperPanic(t *testing.T, cb func(), expect string) {

			{
				"runtime.unlock",
				"runtime.semrelease1",
				"runtime_test.TestRuntimeLockMetricsAndProfile.func6.1",
				"runtime_test.(*contentionWorker).run",
			},
			{
				"runtime.unlock",
				"runtime.semacquire1",
				"runtime.semacquire",
				"runtime_test.TestRuntimeLockMetricsAndProfile.func6.1",
				"runtime_test.(*contentionWorker).run",
			},
		}

// Copyright 2019 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 runtime_test

import (
	"internal/goos"
	"math/rand"
	. "runtime"
	"testing"
)

func checkPageCache(t *testing.T, got, want PageCache) {
	if got.Base() != want.Base() {
		t.Errorf("bad pageCache base: got 0x%x, want 0x%x", got.Base(), want.Base())
	}

// Copyright 2023 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 runtime_test

import (
	"runtime"
	"testing"
	"time"
	"unsafe"
)

type obj struct {
	x int64
	y int64
	z int64
}

type objWith[T any] struct {
	x int64
	y int64
	z int64
	o T
}

var (
	globalUintptr                uintptr

// Copyright 2013 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 runtime_test

import (
	"flag"
	"fmt"
	"internal/race"
	"internal/testenv"
	"os"
	"os/exec"
	"reflect"
	"runtime"
	. "runtime"
	"strings"
	"sync/atomic"
	"testing"
	"time"
	"unsafe"
)

var testMemStatsCount int

// Copyright 2011 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 runtime_test

import (
	"fmt"
	"testing"
)

const N = 20

func BenchmarkMakeSliceCopy(b *testing.B) {
	const length = 32
	var bytes = make([]byte, 8*length)
	var ints = make([]int, length)
	var ptrs = make([]*byte, length)
	b.Run("mallocmove", func(b *testing.B) {