/*
 * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

/*
Test Summary:
NOTE: For each test, a nil pointer, a single pointer and double pointer to the
base test element are also tested to ensure proper indirection across all types.

- Max int8, int16, int32, int64, int
- Max uint8, uint16, uint32, uint64, uint
- Boolean true and false
- Standard complex64 and complex128
- Array containing standard ints
- Array containing type with custom formatter on pointer receiver only
- Array containing interfaces
- Array containing bytes
- Slice containing standard float32 values
- Slice containing type with custom formatter on pointer receiver only
- Slice containing interfaces
- Slice containing bytes
- Nil slice
- Standard string
- Nil interface
- Sub-interface
- Map with string keys and int vals
- Map with custom formatter type on pointer receiver only keys and vals
- Map with interface keys and values
- Map with nil interface value
- Struct with primitives
- Struct that contains another struct
- Struct that contains custom type with Stringer pointer interface via both
  exported and unexported fields
- Struct that contains embedded struct and field to same struct
- Uintptr to 0 (null pointer)
- Uintptr address of real variable
- Unsafe.Pointer to 0 (null pointer)
- Unsafe.Pointer to address of real variable
- Nil channel
- Standard int channel
- Function with no params and no returns
- Function with param and no returns
- Function with multiple params and multiple returns
- Struct that is circular through self referencing
- Structs that are circular through cross referencing
- Structs that are indirectly circular
- Type that panics in its Stringer interface
*/

package spew_test

import (
	"bytes"
	"fmt"
	"testing"
	"unsafe"

	"github.com/davecgh/go-spew/spew"
)

// dumpTest is used to describe a test to be performed against the Dump method.
type dumpTest struct {
	in    interface{}
	wants []string
}

// dumpTests houses all of the tests to be performed against the Dump method.
var dumpTests = make([]dumpTest, 0)

// addDumpTest is a helper method to append the passed input and desired result
// to dumpTests
func addDumpTest(in interface{}, wants ...string) {
	test := dumpTest{in, wants}
	dumpTests = append(dumpTests, test)
}

func addIntDumpTests() {
	// Max int8.
	v := int8(127)
	nv := (*int8)(nil)
	pv := &v
	vAddr := fmt.Sprintf("%p", pv)
	pvAddr := fmt.Sprintf("%p", &pv)
	vt := "int8"
	vs := "127"
	addDumpTest(v, "("+vt+") "+vs+"\n")
	addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
	addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
	addDumpTest(nv, "(*"+vt+")(<nil>)\n")

	// Max int16.
	v2 := int16(32767)
	nv2 := (*int16)(nil)
	pv2 := &v2
	v2Addr := fmt.Sprintf("%p", pv2)
	pv2Addr := fmt.Sprintf("%p", &pv2)
	v2t := "int16"
	v2s := "32767"
	addDumpTest(v2, "("+v2t+") "+v2s+"\n")
	addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
	addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
	addDumpTest(nv2, "(*"+v2t+")(<nil>)\n")

	// Max int32.
	v3 := int32(2147483647)
	nv3 := (*int32)(nil)
	pv3 := &v3
	v3Addr := fmt.Sprintf("%p", pv3)
	pv3Addr := fmt.Sprintf("%p", &pv3)
	v3t := "int32"
	v3s := "2147483647"
	addDumpTest(v3, "("+v3t+") "+v3s+"\n")
	addDumpTest(pv3, "(*"+v3t+")("+v3Addr+")("+v3s+")\n")
	addDumpTest(&pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")("+v3s+")\n")
	addDumpTest(nv3, "(*"+v3t+")(<nil>)\n")

	// Max int64.
	v4 := int64(9223372036854775807)
	nv4 := (*int64)(nil)
	pv4 := &v4
	v4Addr := fmt.Sprintf("%p", pv4)
	pv4Addr := fmt.Sprintf("%p", &pv4)
	v4t := "int64"
	v4s := "9223372036854775807"
	addDumpTest(v4, "("+v4t+") "+v4s+"\n")
	addDumpTest(pv4, "(*"+v4t+")("+v4Addr+")("+v4s+")\n")
	addDumpTest(&pv4, "(**"+v4t+")("+pv4Addr+"->"+v4Addr+")("+v4s+")\n")
	addDumpTest(nv4, "(*"+v4t+")(<nil>)\n")

	// Max int.
	v5 := int(2147483647)
	nv5 := (*int)(nil)
	pv5 := &v5
	v5Addr := fmt.Sprintf("%p", pv5)
	pv5Addr := fmt.Sprintf("%p", &pv5)
	v5t := "int"
	v5s := "2147483647"
	addDumpTest(v5, "("+v5t+") "+v5s+"\n")
	addDumpTest(pv5, "(*"+v5t+")("+v5Addr+")("+v5s+")\n")
	addDumpTest(&pv5, "(**"+v5t+")("+pv5Addr+"->"+v5Addr+")("+v5s+")\n")
	addDumpTest(nv5, "(*"+v5t+")(<nil>)\n")
}

func addUintDumpTests() {
	// Max uint8.
	v := uint8(255)
	nv := (*uint8)(nil)
	pv := &v
	vAddr := fmt.Sprintf("%p", pv)
	pvAddr := fmt.Sprintf("%p", &pv)
	vt := "uint8"
	vs := "255"
	addDumpTest(v, "("+vt+") "+vs+"\n")
	addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
	addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
	addDumpTest(nv, "(*"+vt+")(<nil>)\n")

	// Max uint16.
	v2 := uint16(65535)
	nv2 := (*uint16)(nil)
	pv2 := &v2
	v2Addr := fmt.Sprintf("%p", pv2)
	pv2Addr := fmt.Sprintf("%p", &pv2)
	v2t := "uint16"
	v2s := "65535"
	addDumpTest(v2, "("+v2t+") "+v2s+"\n")
	addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
	addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
	addDumpTest(nv2, "(*"+v2t+")(<nil>)\n")

	// Max uint32.
	v3 := uint32(4294967295)
	nv3 := (*uint32)(nil)
	pv3 := &v3
	v3Addr := fmt.Sprintf("%p", pv3)
	pv3Addr := fmt.Sprintf("%p", &pv3)
	v3t := "uint32"
	v3s := "4294967295"
	addDumpTest(v3, "("+v3t+") "+v3s+"\n")
	addDumpTest(pv3, "(*"+v3t+")("+v3Addr+")("+v3s+")\n")
	addDumpTest(&pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")("+v3s+")\n")
	addDumpTest(nv3, "(*"+v3t+")(<nil>)\n")

	// Max uint64.
	v4 := uint64(18446744073709551615)
	nv4 := (*uint64)(nil)
	pv4 := &v4
	v4Addr := fmt.Sprintf("%p", pv4)
	pv4Addr := fmt.Sprintf("%p", &pv4)
	v4t := "uint64"
	v4s := "18446744073709551615"
	addDumpTest(v4, "("+v4t+") "+v4s+"\n")
	addDumpTest(pv4, "(*"+v4t+")("+v4Addr+")("+v4s+")\n")
	addDumpTest(&pv4, "(**"+v4t+")("+pv4Addr+"->"+v4Addr+")("+v4s+")\n")
	addDumpTest(nv4, "(*"+v4t+")(<nil>)\n")

	// Max uint.
	v5 := uint(4294967295)
	nv5 := (*uint)(nil)
	pv5 := &v5
	v5Addr := fmt.Sprintf("%p", pv5)
	pv5Addr := fmt.Sprintf("%p", &pv5)
	v5t := "uint"
	v5s := "4294967295"
	addDumpTest(v5, "("+v5t+") "+v5s+"\n")
	addDumpTest(pv5, "(*"+v5t+")("+v5Addr+")("+v5s+")\n")
	addDumpTest(&pv5, "(**"+v5t+")("+pv5Addr+"->"+v5Addr+")("+v5s+")\n")
	addDumpTest(nv5, "(*"+v5t+")(<nil>)\n")
}

func addBoolDumpTests() {
	// Boolean true.
	v := bool(true)
	nv := (*bool)(nil)
	pv := &v
	vAddr := fmt.Sprintf("%p", pv)
	pvAddr := fmt.Sprintf("%p", &pv)
	vt := "bool"
	vs := "true"
	addDumpTest(v, "("+vt+") "+vs+"\n")
	addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
	addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
	addDumpTest(nv, "(*"+vt+")(<nil>)\n")

	// Boolean false.
	v2 := bool(false)
	pv2 := &v2
	v2Addr := fmt.Sprintf("%p", pv2)
	pv2Addr := fmt.Sprintf("%p", &pv2)
	v2t := "bool"
	v2s := "false"
	addDumpTest(v2, "("+v2t+") "+v2s+"\n")
	addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
	addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
}

func addFloatDumpTests() {
	// Standard float32.
	v := float32(3.1415)
	nv := (*float32)(nil)
	pv := &v
	vAddr := fmt.Sprintf("%p", pv)
	pvAddr := fmt.Sprintf("%p", &pv)
	vt := "float32"
	vs := "3.1415"
	addDumpTest(v, "("+vt+") "+vs+"\n")
	addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
	addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
	addDumpTest(nv, "(*"+vt+")(<nil>)\n")

	// Standard float64.
	v2 := float64(3.1415926)
	nv2 := (*float64)(nil)
	pv2 := &v2
	v2Addr := fmt.Sprintf("%p", pv2)
	pv2Addr := fmt.Sprintf("%p", &pv2)
	v2t := "float64"
	v2s := "3.1415926"
	addDumpTest(v2, "("+v2t+") "+v2s+"\n")
	addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
	addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
	addDumpTest(nv2, "(*"+v2t+")(<nil>)\n")
}

func addComplexDumpTests() {
	// Standard complex64.
	v := complex(float32(6), -2)
	nv := (*complex64)(nil)
	pv := &v
	vAddr := fmt.Sprintf("%p", pv)
	pvAddr := fmt.Sprintf("%p", &pv)
	vt := "complex64"
	vs := "(6-2i)"
	addDumpTest(v, "("+vt+") "+vs+"\n")
	addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
	addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
	addDumpTest(nv, "(*"+vt+")(<nil>)\n")

	// Standard complex128.
	v2 := complex(float64(-6), 2)
	nv2 := (*complex128)(nil)
	pv2 := &v2
	v2Addr := fmt.Sprintf("%p", pv2)
	pv2Addr := fmt.Sprintf("%p", &pv2)
	v2t := "complex128"
	v2s := "(-6+2i)"
	addDumpTest(v2, "("+v2t+") "+v2s+"\n")
	addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
	addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
	addDumpTest(nv2, "(*"+v2t+")(<nil>)\n")
}

func addArrayDumpTests() {
	// Array containing standard ints.
	v := [3]int{1, 2, 3}
	vLen := fmt.Sprintf("%d", len(v))
	vCap := fmt.Sprintf("%d", cap(v))
	nv := (*[3]int)(nil)
	pv := &v
	vAddr := fmt.Sprintf("%p", pv)
	pvAddr := fmt.Sprintf("%p", &pv)
	vt := "int"
	vs := "(len=" + vLen + " cap=" + vCap + ") {\n (" + vt + ") 1,\n (" +
		vt + ") 2,\n (" + vt + ") 3\n}"
	addDumpTest(v, "([3]"+vt+") "+vs+"\n")
	addDumpTest(pv, "(*[3]"+vt+")("+vAddr+")("+vs+")\n")
	addDumpTest(&pv, "(**[3]"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
	addDumpTest(nv, "(*[3]"+vt+")(<nil>)\n")

	// Array containing type with custom formatter on pointer receiver only.
	v2i0 := pstringer("1")
	v2i1 := pstringer("2")
	v2i2 := pstringer("3")
	v2 := [3]pstringer{v2i0, v2i1, v2i2}
	v2i0Len := fmt.Sprintf("%d", len(v2i0))
	v2i1Len := fmt.Sprintf("%d", len(v2i1))
	v2i2Len := fmt.Sprintf("%d", len(v2i2))
	v2Len := fmt.Sprintf("%d", len(v2))
	v2Cap := fmt.Sprintf("%d", cap(v2))
	nv2 := (*[3]pstringer)(nil)
	pv2 := &v2
	v2Addr := fmt.Sprintf("%p", pv2)
	pv2Addr := fmt.Sprintf("%p", &pv2)
	v2t := "spew_test.pstringer"
	v2sp := "(len=" + v2Len + " cap=" + v2Cap + ") {\n (" + v2t +
		") (len=" + v2i0Len + ") stringer 1,\n (" + v2t +
		") (len=" + v2i1Len + ") stringer 2,\n (" + v2t +
		") (len=" + v2i2Len + ") " + "stringer 3\n}"
	v2s := v2sp
	if spew.UnsafeDisabled {
		v2s = "(len=" + v2Len + " cap=" + v2Cap + ") {\n (" + v2t +
			") (len=" + v2i0Len + ") \"1\",\n (" + v2t + ") (len=" +
			v2i1Len + ") \"2\",\n (" + v2t + ") (len=" + v2i2Len +
			") " + "\"3\"\n}"
	}
	addDumpTest(v2, "([3]"+v2t+") "+v2s+"\n")
	addDumpTest(pv2, "(*[3]"+v2t+")("+v2Addr+")("+v2sp+")\n")
	addDumpTest(&pv2, "(**[3]"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2sp+")\n")
	addDumpTest(nv2, "(*[3]"+v2t+")(<nil>)\n")

	// Array containing interfaces.
	v3i0 := "one"
	v3 := [3]interface{}{v3i0, int(2), uint(3)}
	v3i0Len := fmt.Sprintf("%d", len(v3i0))
	v3Len := fmt.Sprintf("%d", len(v3))
	v3Cap := fmt.Sprintf("%d", cap(v3))
	nv3 := (*[3]interface{})(nil)
	pv3 := &v3
	v3Addr := fmt.Sprintf("%p", pv3)
	pv3Addr := fmt.Sprintf("%p", &pv3)
	v3t := "[3]interface {}"
	v3t2 := "string"
	v3t3 := "int"
	v3t4 := "uint"
	v3s := "(len=" + v3Len + " cap=" + v3Cap + ") {\n (" + v3t2 + ") " +
		"(len=" + v3i0Len + ") \"one\",\n (" + v3t3 + ") 2,\n (" +
		v3t4 + ") 3\n}"
	addDumpTest(v3, "("+v3t+") "+v3s+"\n")
	addDumpTest(pv3, "(*"+v3t+")("+v3Addr+")("+v3s+")\n")
	addDumpTest(&pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")("+v3s+")\n")
	addDumpTest(nv3, "(*"+v3t+")(<nil>)\n")

	// Array containing bytes.
	v4 := [34]byte{
		0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
		0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20,
		0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28,
		0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30,
		0x31, 0x32,
	}
	v4Len := fmt.Sprintf("%d", len(v4))
	v4Cap := fmt.Sprintf("%d", cap(v4))
	nv4 := (*[34]byte)(nil)
	pv4 := &v4
	v4Addr := fmt.Sprintf("%p", pv4)
	pv4Addr := fmt.Sprintf("%p", &pv4)
	v4t := "[34]uint8"
	v4s := "(len=" + v4Len + " cap=" + v4Cap + ") " +
		"{\n 00000000  11 12 13 14 15 16 17 18  19 1a 1b 1c 1d 1e 1f 20" +
		"  |............... |\n" +
		" 00000010  21 22 23 24 25 26 27 28  29 2a 2b 2c 2d 2e 2f 30" +
		"  |!\"#$%&'()*+,-./0|\n" +
		" 00000020  31 32                                           " +
		"  |12|\n}"
	addDumpTest(v4, "("+v4t+") "+v4s+"\n")
	addDumpTest(pv4, "(*"+v4t+")("+v4Addr+")("+v4s+")\n")
	addDumpTest(&pv4, "(**"+v4t+")("+pv4Addr+"->"+v4Addr+")("+v4s+")\n")
	addDumpTest(nv4, "(*"+v4t+")(<nil>)\n")
}

func addSliceDumpTests() {
	// Slice containing standard float32 values.
	v := []float32{3.14, 6.28, 12.56}
	vLen := fmt.Sprintf("%d", len(v))
	vCap := fmt.Sprintf("%d", cap(v))
	nv := (*[]float32)(nil)
	pv := &v
	vAddr := fmt.Sprintf("%p", pv)
	pvAddr := fmt.Sprintf("%p", &pv)
	vt := "float32"
	vs := "(len=" + vLen + " cap=" + vCap + ") {\n (" + vt + ") 3.14,\n (" +
		vt + ") 6.28,\n (" + vt + ") 12.56\n}"
	addDumpTest(v, "([]"+vt+") "+vs+"\n")
	addDumpTest(pv, "(*[]"+vt+")("+vAddr+")("+vs+")\n")
	addDumpTest(&pv, "(**[]"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
	addDumpTest(nv, "(*[]"+vt+")(<nil>)\n")

	// Slice containing type with custom formatter on pointer receiver only.
	v2i0 := pstringer("1")
	v2i1 := pstringer("2")
	v2i2 := pstringer("3")
	v2 := []pstringer{v2i0, v2i1, v2i2}
	v2i0Len := fmt.Sprintf("%d", len(v2i0))
	v2i1Len := fmt.Sprintf("%d", len(v2i1))
	v2i2Len := fmt.Sprintf("%d", len(v2i2))
	v2Len := fmt.Sprintf("%d", len(v2))
	v2Cap := fmt.Sprintf("%d", cap(v2))
	nv2 := (*[]pstringer)(nil)
	pv2 := &v2
	v2Addr := fmt.Sprintf("%p", pv2)
	pv2Addr := fmt.Sprintf("%p", &pv2)
	v2t := "spew_test.pstringer"
	v2s := "(len=" + v2Len + " cap=" + v2Cap + ") {\n (" + v2t + ") (len=" +
		v2i0Len + ") stringer 1,\n (" + v2t + ") (len=" + v2i1Len +
		") stringer 2,\n (" + v2t + ") (len=" + v2i2Len + ") " +
		"stringer 3\n}"
	addDumpTest(v2, "([]"+v2t+") "+v2s+"\n")
	addDumpTest(pv2, "(*[]"+v2t+")("+v2Addr+")("+v2s+")\n")
	addDumpTest(&pv2, "(**[]"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
	addDumpTest(nv2, "(*[]"+v2t+")(<nil>)\n")

	// Slice containing interfaces.
	v3i0 := "one"
	v3 := []interface{}{v3i0, int(2), uint(3), nil}
	v3i0Len := fmt.Sprintf("%d", len(v3i0))
	v3Len := fmt.Sprintf("%d", len(v3))
	v3Cap := fmt.Sprintf("%d", cap(v3))
	nv3 := (*[]interface{})(nil)
	pv3 := &v3
	v3Addr := fmt.Sprintf("%p", pv3)
	pv3Addr := fmt.Sprintf("%p", &pv3)
	v3t := "[]interface {}"
	v3t2 := "string"
	v3t3 := "int"
	v3t4 := "uint"
	v3t5 := "interface {}"
	v3s := "(len=" + v3Len + " cap=" + v3Cap + ") {\n (" + v3t2 + ") " +
		"(len=" + v3i0Len + ") \"one\",\n (" + v3t3 + ") 2,\n (" +
		v3t4 + ") 3,\n (" + v3t5 + ") <nil>\n}"
	addDumpTest(v3, "("+v3t+") "+v3s+"\n")
	addDumpTest(pv3, "(*"+v3t+")("+v3Addr+")("+v3s+")\n")
	addDumpTest(&pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")("+v3s+")\n")
	addDumpTest(nv3, "(*"+v3t+")(<nil>)\n")

	// Slice containing bytes.
	v4 := []byte{
		0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
		0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20,
		0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28,
		0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30,
		0x31, 0x32,
	}
	v4Len := fmt.Sprintf("%d", len(v4))
	v4Cap := fmt.Sprintf("%d", cap(v4))
	nv4 := (*[]byte)(nil)
	pv4 := &v4
	v4Addr := fmt.Sprintf("%p", pv4)
	pv4Addr := fmt.Sprintf("%p", &pv4)
	v4t := "[]uint8"
	v4s := "(len=" + v4Len + " cap=" + v4Cap + ") " +
		"{\n 00000000  11 12 13 14 15 16 17 18  19 1a 1b 1c 1d 1e 1f 20" +
		"  |............... |\n" +
		" 00000010  21 22 23 24 25 26 27 28  29 2a 2b 2c 2d 2e 2f 30" +
		"  |!\"#$%&'()*+,-./0|\n" +
		" 00000020  31 32                                           " +
		"  |12|\n}"
	addDumpTest(v4, "("+v4t+") "+v4s+"\n")
	addDumpTest(pv4, "(*"+v4t+")("+v4Addr+")("+v4s+")\n")
	addDumpTest(&pv4, "(**"+v4t+")("+pv4Addr+"->"+v4Addr+")("+v4s+")\n")
	addDumpTest(nv4, "(*"+v4t+")(<nil>)\n")

	// Nil slice.
	v5 := []int(nil)
	nv5 := (*[]int)(nil)
	pv5 := &v5
	v5Addr := fmt.Sprintf("%p", pv5)
	pv5Addr := fmt.Sprintf("%p", &pv5)
	v5t := "[]int"
	v5s := "<nil>"
	addDumpTest(v5, "("+v5t+") "+v5s+"\n")
	addDumpTest(pv5, "(*"+v5t+")("+v5Addr+")("+v5s+")\n")
	addDumpTest(&pv5, "(**"+v5t+")("+pv5Addr+"->"+v5Addr+")("+v5s+")\n")
	addDumpTest(nv5, "(*"+v5t+")(<nil>)\n")
}

func addStringDumpTests() {
	// Standard string.
	v := "test"
	vLen := fmt.Sprintf("%d", len(v))
	nv := (*string)(nil)
	pv := &v
	vAddr := fmt.Sprintf("%p", pv)
	pvAddr := fmt.Sprintf("%p", &pv)
	vt := "string"
	vs := "(len=" + vLen + ") \"test\""
	addDumpTest(v, "("+vt+") "+vs+"\n")
	addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
	addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
	addDumpTest(nv, "(*"+vt+")(<nil>)\n")
}

func addInterfaceDumpTests() {
	// Nil interface.
	var v interface{}
	nv := (*interface{})(nil)
	pv := &v
	vAddr := fmt.Sprintf("%p", pv)
	pvAddr := fmt.Sprintf("%p", &pv)
	vt := "interface {}"
	vs := "<nil>"
	addDumpTest(v, "("+vt+") "+vs+"\n")
	addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
	addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
	addDumpTest(nv, "(*"+vt+")(<nil>)\n")

	// Sub-interface.
	v2 := interface{}(uint16(65535))
	pv2 := &v2
	v2Addr := fmt.Sprintf("%p", pv2)
	pv2Addr := fmt.Sprintf("%p", &pv2)
	v2t := "uint16"
	v2s := "65535"
	addDumpTest(v2, "("+v2t+") "+v2s+"\n")
	addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
	addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
}

func addMapDumpTests() {
	// Map with string keys and int vals.
	k := "one"
	kk := "two"
	m := map[string]int{k: 1, kk: 2}
	klen := fmt.Sprintf("%d", len(k)) // not kLen to shut golint up
	kkLen := fmt.Sprintf("%d", len(kk))
	mLen := fmt.Sprintf("%d", len(m))
	nilMap := map[string]int(nil)
	nm := (*map[string]int)(nil)
	pm := &m
	mAddr := fmt.Sprintf("%p", pm)
	pmAddr := fmt.Sprintf("%p", &pm)
	mt := "map[string]int"
	mt1 := "string"
	mt2 := "int"
	ms := "(len=" + mLen + ") {\n (" + mt1 + ") (len=" + klen + ") " +
		"\"one\": (" + mt2 + ") 1,\n (" + mt1 + ") (len=" + kkLen +
		") \"two\": (" + mt2 + ") 2\n}"
	ms2 := "(len=" + mLen + ") {\n (" + mt1 + ") (len=" + kkLen + ") " +
		"\"two\": (" + mt2 + ") 2,\n (" + mt1 + ") (len=" + klen +
		") \"one\": (" + mt2 + ") 1\n}"
	addDumpTest(m, "("+mt+") "+ms+"\n", "("+mt+") "+ms2+"\n")
	addDumpTest(pm, "(*"+mt+")("+mAddr+")("+ms+")\n",
		"(*"+mt+")("+mAddr+")("+ms2+")\n")
	addDumpTest(&pm, "(**"+mt+")("+pmAddr+"->"+mAddr+")("+ms+")\n",
		"(**"+mt+")("+pmAddr+"->"+mAddr+")("+ms2+")\n")
	addDumpTest(nm, "(*"+mt+")(<nil>)\n")
	addDumpTest(nilMap, "("+mt+") <nil>\n")

	// Map with custom formatter type on pointer receiver only keys and vals.
	k2 := pstringer("one")
	v2 := pstringer("1")
	m2 := map[pstringer]pstringer{k2: v2}
	k2Len := fmt.Sprintf("%d", len(k2))
	v2Len := fmt.Sprintf("%d", len(v2))
	m2Len := fmt.Sprintf("%d", len(m2))
	nilMap2 := map[pstringer]pstringer(nil)
	nm2 := (*map[pstringer]pstringer)(nil)
	pm2 := &m2
	m2Addr := fmt.Sprintf("%p", pm2)
	pm2Addr := fmt.Sprintf("%p", &pm2)
	m2t := "map[spew_test.pstringer]spew_test.pstringer"
	m2t1 := "spew_test.pstringer"
	m2t2 := "spew_test.pstringer"
	m2s := "(len=" + m2Len + ") {\n (" + m2t1 + ") (len=" + k2Len + ") " +
		"stringer one: (" + m2t2 + ") (len=" + v2Len + ") stringer 1\n}"
	if spew.UnsafeDisabled {
		m2s = "(len=" + m2Len + ") {\n (" + m2t1 + ") (len=" + k2Len +
			") " + "\"one\": (" + m2t2 + ") (len=" + v2Len +
			") \"1\"\n}"
	}
	addDumpTest(m2, "("+m2t+") "+m2s+"\n")
	addDumpTest(pm2, "(*"+m2t+")("+m2Addr+")("+m2s+")\n")
	addDumpTest(&pm2, "(**"+m2t+")("+pm2Addr+"->"+m2Addr+")("+m2s+")\n")
	addDumpTest(nm2, "(*"+m2t+")(<nil>)\n")
	addDumpTest(nilMap2, "("+m2t+") <nil>\n")

	// Map with interface keys and values.
	k3 := "one"
	k3Len := fmt.Sprintf("%d", len(k3))
	m3 := map[interface{}]interface{}{k3: 1}
	m3Len := fmt.Sprintf("%d", len(m3))
	nilMap3 := map[interface{}]interface{}(nil)
	nm3 := (*map[interface{}]interface{})(nil)
	pm3 := &m3
	m3Addr := fmt.Sprintf("%p", pm3)
	pm3Addr := fmt.Sprintf("%p", &pm3)
	m3t := "map[interface {}]interface {}"
	m3t1 := "string"
	m3t2 := "int"
	m3s := "(len=" + m3Len + ") {\n (" + m3t1 + ") (len=" + k3Len + ") " +
		"\"one\": (" + m3t2 + ") 1\n}"
	addDumpTest(m3, "("+m3t+") "+m3s+"\n")
	addDumpTest(pm3, "(*"+m3t+")("+m3Addr+")("+m3s+")\n")
	addDumpTest(&pm3, "(**"+m3t+")("+pm3Addr+"->"+m3Addr+")("+m3s+")\n")
	addDumpTest(nm3, "(*"+m3t+")(<nil>)\n")
	addDumpTest(nilMap3, "("+m3t+") <nil>\n")

	// Map with nil interface value.
	k4 := "nil"
	k4Len := fmt.Sprintf("%d", len(k4))
	m4 := map[string]interface{}{k4: nil}
	m4Len := fmt.Sprintf("%d", len(m4))
	nilMap4 := map[string]interface{}(nil)
	nm4 := (*map[string]interface{})(nil)
	pm4 := &m4
	m4Addr := fmt.Sprintf("%p", pm4)
	pm4Addr := fmt.Sprintf("%p", &pm4)
	m4t := "map[string]interface {}"
	m4t1 := "string"
	m4t2 := "interface {}"
	m4s := "(len=" + m4Len + ") {\n (" + m4t1 + ") (len=" + k4Len + ")" +
		" \"nil\": (" + m4t2 + ") <nil>\n}"
	addDumpTest(m4, "("+m4t+") "+m4s+"\n")
	addDumpTest(pm4, "(*"+m4t+")("+m4Addr+")("+m4s+")\n")
	addDumpTest(&pm4, "(**"+m4t+")("+pm4Addr+"->"+m4Addr+")("+m4s+")\n")
	addDumpTest(nm4, "(*"+m4t+")(<nil>)\n")
	addDumpTest(nilMap4, "("+m4t+") <nil>\n")
}

func addStructDumpTests() {
	// Struct with primitives.
	type s1 struct {
		a int8
		b uint8
	}
	v := s1{127, 255}
	nv := (*s1)(nil)
	pv := &v
	vAddr := fmt.Sprintf("%p", pv)
	pvAddr := fmt.Sprintf("%p", &pv)
	vt := "spew_test.s1"
	vt2 := "int8"
	vt3 := "uint8"
	vs := "{\n a: (" + vt2 + ") 127,\n b: (" + vt3 + ") 255\n}"
	addDumpTest(v, "("+vt+") "+vs+"\n")
	addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
	addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
	addDumpTest(nv, "(*"+vt+")(<nil>)\n")

	// Struct that contains another struct.
	type s2 struct {
		s1 s1
		b  bool
	}
	v2 := s2{s1{127, 255}, true}
	nv2 := (*s2)(nil)
	pv2 := &v2
	v2Addr := fmt.Sprintf("%p", pv2)
	pv2Addr := fmt.Sprintf("%p", &pv2)
	v2t := "spew_test.s2"
	v2t2 := "spew_test.s1"
	v2t3 := "int8"
	v2t4 := "uint8"
	v2t5 := "bool"
	v2s := "{\n s1: (" + v2t2 + ") {\n  a: (" + v2t3 + ") 127,\n  b: (" +
		v2t4 + ") 255\n },\n b: (" + v2t5 + ") true\n}"
	addDumpTest(v2, "("+v2t+") "+v2s+"\n")
	addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
	addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
	addDumpTest(nv2, "(*"+v2t+")(<nil>)\n")

	// Struct that contains custom type with Stringer pointer interface via both
	// exported and unexported fields.
	type s3 struct {
		s pstringer
		S pstringer
	}
	v3 := s3{"test", "test2"}
	nv3 := (*s3)(nil)
	pv3 := &v3
	v3Addr := fmt.Sprintf("%p", pv3)
	pv3Addr := fmt.Sprintf("%p", &pv3)
	v3t := "spew_test.s3"
	v3t2 := "spew_test.pstringer"
	v3s := "{\n s: (" + v3t2 + ") (len=4) stringer test,\n S: (" + v3t2 +
		") (len=5) stringer test2\n}"
	v3sp := v3s
	if spew.UnsafeDisabled {
		v3s = "{\n s: (" + v3t2 + ") (len=4) \"test\",\n S: (" +
			v3t2 + ") (len=5) \"test2\"\n}"
		v3sp = "{\n s: (" + v3t2 + ") (len=4) \"test\",\n S: (" +
			v3t2 + ") (len=5) stringer test2\n}"
	}
	addDumpTest(v3, "("+v3t+") "+v3s+"\n")
	addDumpTest(pv3, "(*"+v3t+")("+v3Addr+")("+v3sp+")\n")
	addDumpTest(&pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")("+v3sp+")\n")
	addDumpTest(nv3, "(*"+v3t+")(<nil>)\n")

	// Struct that contains embedded struct and field to same struct.
	e := embed{"embedstr"}
	eLen := fmt.Sprintf("%d", len("embedstr"))
	v4 := embedwrap{embed: &e, e: &e}
	nv4 := (*embedwrap)(nil)
	pv4 := &v4
	eAddr := fmt.Sprintf("%p", &e)
	v4Addr := fmt.Sprintf("%p", pv4)
	pv4Addr := fmt.Sprintf("%p", &pv4)
	v4t := "spew_test.embedwrap"
	v4t2 := "spew_test.embed"
	v4t3 := "string"
	v4s := "{\n embed: (*" + v4t2 + ")(" + eAddr + ")({\n  a: (" + v4t3 +
		") (len=" + eLen + ") \"embedstr\"\n }),\n e: (*" + v4t2 +
		")(" + eAddr + ")({\n  a: (" + v4t3 + ") (len=" + eLen + ")" +
		" \"embedstr\"\n })\n}"
	addDumpTest(v4, "("+v4t+") "+v4s+"\n")
	addDumpTest(pv4, "(*"+v4t+")("+v4Addr+")("+v4s+")\n")
	addDumpTest(&pv4, "(**"+v4t+")("+pv4Addr+"->"+v4Addr+")("+v4s+")\n")
	addDumpTest(nv4, "(*"+v4t+")(<nil>)\n")
}

func addUintptrDumpTests() {
	// Null pointer.
	v := uintptr(0)
	pv := &v
	vAddr := fmt.Sprintf("%p", pv)
	pvAddr := fmt.Sprintf("%p", &pv)
	vt := "uintptr"
	vs := "<nil>"
	addDumpTest(v, "("+vt+") "+vs+"\n")
	addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
	addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")

	// Address of real variable.
	i := 1
	v2 := uintptr(unsafe.Pointer(&i))
	nv2 := (*uintptr)(nil)
	pv2 := &v2
	v2Addr := fmt.Sprintf("%p", pv2)
	pv2Addr := fmt.Sprintf("%p", &pv2)
	v2t := "uintptr"
	v2s := fmt.Sprintf("%p", &i)
	addDumpTest(v2, "("+v2t+") "+v2s+"\n")
	addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
	addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
	addDumpTest(nv2, "(*"+v2t+")(<nil>)\n")
}

func addUnsafePointerDumpTests() {
	// Null pointer.
	v := unsafe.Pointer(nil)
	nv := (*unsafe.Pointer)(nil)
	pv := &v
	vAddr := fmt.Sprintf("%p", pv)
	pvAddr := fmt.Sprintf("%p", &pv)
	vt := "unsafe.Pointer"
	vs := "<nil>"
	addDumpTest(v, "("+vt+") "+vs+"\n")
	addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
	addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
	addDumpTest(nv, "(*"+vt+")(<nil>)\n")

	// Address of real variable.
	i := 1
	v2 := unsafe.Pointer(&i)
	pv2 := &v2
	v2Addr := fmt.Sprintf("%p", pv2)
	pv2Addr := fmt.Sprintf("%p", &pv2)
	v2t := "unsafe.Pointer"
	v2s := fmt.Sprintf("%p", &i)
	addDumpTest(v2, "("+v2t+") "+v2s+"\n")
	addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
	addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
	addDumpTest(nv, "(*"+vt+")(<nil>)\n")
}

func addChanDumpTests() {
	// Nil channel.
	var v chan int
	pv := &v
	nv := (*chan int)(nil)
	vAddr := fmt.Sprintf("%p", pv)
	pvAddr := fmt.Sprintf("%p", &pv)
	vt := "chan int"
	vs := "<nil>"
	addDumpTest(v, "("+vt+") "+vs+"\n")
	addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
	addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
	addDumpTest(nv, "(*"+vt+")(<nil>)\n")

	// Real channel.
	v2 := make(chan int)
	pv2 := &v2
	v2Addr := fmt.Sprintf("%p", pv2)
	pv2Addr := fmt.Sprintf("%p", &pv2)
	v2t := "chan int"
	v2s := fmt.Sprintf("%p", v2)
	addDumpTest(v2, "("+v2t+") "+v2s+"\n")
	addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
	addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
}

func addFuncDumpTests() {
	// Function with no params and no returns.
	v := addIntDumpTests
	nv := (*func())(nil)
	pv := &v
	vAddr := fmt.Sprintf("%p", pv)
	pvAddr := fmt.Sprintf("%p", &pv)
	vt := "func()"
	vs := fmt.Sprintf("%p", v)
	addDumpTest(v, "("+vt+") "+vs+"\n")
	addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
	addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
	addDumpTest(nv, "(*"+vt+")(<nil>)\n")

	// Function with param and no returns.
	v2 := TestDump
	nv2 := (*func(*testing.T))(nil)
	pv2 := &v2
	v2Addr := fmt.Sprintf("%p", pv2)
	pv2Addr := fmt.Sprintf("%p", &pv2)
	v2t := "func(*testing.T)"
	v2s := fmt.Sprintf("%p", v2)
	addDumpTest(v2, "("+v2t+") "+v2s+"\n")
	addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
	addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
	addDumpTest(nv2, "(*"+v2t+")(<nil>)\n")

	// Function with multiple params and multiple returns.
	var v3 = func(i int, s string) (b bool, err error) {
		return true, nil
	}
	nv3 := (*func(int, string) (bool, error))(nil)
	pv3 := &v3
	v3Addr := fmt.Sprintf("%p", pv3)
	pv3Addr := fmt.Sprintf("%p", &pv3)
	v3t := "func(int, string) (bool, error)"
	v3s := fmt.Sprintf("%p", v3)
	addDumpTest(v3, "("+v3t+") "+v3s+"\n")
	addDumpTest(pv3, "(*"+v3t+")("+v3Addr+")("+v3s+")\n")
	addDumpTest(&pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")("+v3s+")\n")
	addDumpTest(nv3, "(*"+v3t+")(<nil>)\n")
}

func addCircularDumpTests() {
	// Struct that is circular through self referencing.
	type circular struct {
		c *circular
	}
	v := circular{nil}
	v.c = &v
	pv := &v
	vAddr := fmt.Sprintf("%p", pv)
	pvAddr := fmt.Sprintf("%p", &pv)
	vt := "spew_test.circular"
	vs := "{\n c: (*" + vt + ")(" + vAddr + ")({\n  c: (*" + vt + ")(" +
		vAddr + ")(<already shown>)\n })\n}"
	vs2 := "{\n c: (*" + vt + ")(" + vAddr + ")(<already shown>)\n}"
	addDumpTest(v, "("+vt+") "+vs+"\n")
	addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs2+")\n")
	addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs2+")\n")

	// Structs that are circular through cross referencing.
	v2 := xref1{nil}
	ts2 := xref2{&v2}
	v2.ps2 = &ts2
	pv2 := &v2
	ts2Addr := fmt.Sprintf("%p", &ts2)
	v2Addr := fmt.Sprintf("%p", pv2)
	pv2Addr := fmt.Sprintf("%p", &pv2)
	v2t := "spew_test.xref1"
	v2t2 := "spew_test.xref2"
	v2s := "{\n ps2: (*" + v2t2 + ")(" + ts2Addr + ")({\n  ps1: (*" + v2t +
		")(" + v2Addr + ")({\n   ps2: (*" + v2t2 + ")(" + ts2Addr +
		")(<already shown>)\n  })\n })\n}"
	v2s2 := "{\n ps2: (*" + v2t2 + ")(" + ts2Addr + ")({\n  ps1: (*" + v2t +
		")(" + v2Addr + ")(<already shown>)\n })\n}"
	addDumpTest(v2, "("+v2t+") "+v2s+"\n")
	addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s2+")\n")
	addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s2+")\n")

	// Structs that are indirectly circular.
	v3 := indirCir1{nil}
	tic2 := indirCir2{nil}
	tic3 := indirCir3{&v3}
	tic2.ps3 = &tic3
	v3.ps2 = &tic2
	pv3 := &v3
	tic2Addr := fmt.Sprintf("%p", &tic2)
	tic3Addr := fmt.Sprintf("%p", &tic3)
	v3Addr := fmt.Sprintf("%p", pv3)
	pv3Addr := fmt.Sprintf("%p", &pv3)
	v3t := "spew_test.indirCir1"
	v3t2 := "spew_test.indirCir2"
	v3t3 := "spew_test.indirCir3"
	v3s := "{\n ps2: (*" + v3t2 + ")(" + tic2Addr + ")({\n  ps3: (*" + v3t3 +
		")(" + tic3Addr + ")({\n   ps1: (*" + v3t + ")(" + v3Addr +
		")({\n    ps2: (*" + v3t2 + ")(" + tic2Addr +
		")(<already shown>)\n   })\n  })\n })\n}"
	v3s2 := "{\n ps2: (*" + v3t2 + ")(" + tic2Addr + ")({\n  ps3: (*" + v3t3 +
		")(" + tic3Addr + ")({\n   ps1: (*" + v3t + ")(" + v3Addr +
		")(<already shown>)\n  })\n })\n}"
	addDumpTest(v3, "("+v3t+") "+v3s+"\n")
	addDumpTest(pv3, "(*"+v3t+")("+v3Addr+")("+v3s2+")\n")
	addDumpTest(&pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")("+v3s2+")\n")
}

func addPanicDumpTests() {
	// Type that panics in its Stringer interface.
	v := panicer(127)
	nv := (*panicer)(nil)
	pv := &v
	vAddr := fmt.Sprintf("%p", pv)
	pvAddr := fmt.Sprintf("%p", &pv)
	vt := "spew_test.panicer"
	vs := "(PANIC=test panic)127"
	addDumpTest(v, "("+vt+") "+vs+"\n")
	addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
	addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
	addDumpTest(nv, "(*"+vt+")(<nil>)\n")
}

func addErrorDumpTests() {
	// Type that has a custom Error interface.
	v := customError(127)
	nv := (*customError)(nil)
	pv := &v
	vAddr := fmt.Sprintf("%p", pv)
	pvAddr := fmt.Sprintf("%p", &pv)
	vt := "spew_test.customError"
	vs := "error: 127"
	addDumpTest(v, "("+vt+") "+vs+"\n")
	addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
	addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
	addDumpTest(nv, "(*"+vt+")(<nil>)\n")
}

// TestDump executes all of the tests described by dumpTests.
func TestDump(t *testing.T) {
	// Setup tests.
	addIntDumpTests()
	addUintDumpTests()
	addBoolDumpTests()
	addFloatDumpTests()
	addComplexDumpTests()
	addArrayDumpTests()
	addSliceDumpTests()
	addStringDumpTests()
	addInterfaceDumpTests()
	addMapDumpTests()
	addStructDumpTests()
	addUintptrDumpTests()
	addUnsafePointerDumpTests()
	addChanDumpTests()
	addFuncDumpTests()
	addCircularDumpTests()
	addPanicDumpTests()
	addErrorDumpTests()
	addCgoDumpTests()

	t.Logf("Running %d tests", len(dumpTests))
	for i, test := range dumpTests {
		buf := new(bytes.Buffer)
		spew.Fdump(buf, test.in)
		s := buf.String()
		if testFailed(s, test.wants) {
			t.Errorf("Dump #%d\n got: %s %s", i, s, stringizeWants(test.wants))
			continue
		}
	}
}

func TestDumpSortedKeys(t *testing.T) {
	cfg := spew.ConfigState{SortKeys: true}
	s := cfg.Sdump(map[int]string{1: "1", 3: "3", 2: "2"})
	expected := "(map[int]string) (len=3) {\n(int) 1: (string) (len=1) " +
		"\"1\",\n(int) 2: (string) (len=1) \"2\",\n(int) 3: (string) " +
		"(len=1) \"3\"\n" +
		"}\n"
	if s != expected {
		t.Errorf("Sorted keys mismatch:\n  %v %v", s, expected)
	}

	s = cfg.Sdump(map[stringer]int{"1": 1, "3": 3, "2": 2})
	expected = "(map[spew_test.stringer]int) (len=3) {\n" +
		"(spew_test.stringer) (len=1) stringer 1: (int) 1,\n" +
		"(spew_test.stringer) (len=1) stringer 2: (int) 2,\n" +
		"(spew_test.stringer) (len=1) stringer 3: (int) 3\n" +
		"}\n"
	if s != expected {
		t.Errorf("Sorted keys mismatch:\n  %v %v", s, expected)
	}

	s = cfg.Sdump(map[pstringer]int{pstringer("1"): 1, pstringer("3"): 3, pstringer("2"): 2})
	expected = "(map[spew_test.pstringer]int) (len=3) {\n" +
		"(spew_test.pstringer) (len=1) stringer 1: (int) 1,\n" +
		"(spew_test.pstringer) (len=1) stringer 2: (int) 2,\n" +
		"(spew_test.pstringer) (len=1) stringer 3: (int) 3\n" +
		"}\n"
	if spew.UnsafeDisabled {
		expected = "(map[spew_test.pstringer]int) (len=3) {\n" +
			"(spew_test.pstringer) (len=1) \"1\": (int) 1,\n" +
			"(spew_test.pstringer) (len=1) \"2\": (int) 2,\n" +
			"(spew_test.pstringer) (len=1) \"3\": (int) 3\n" +
			"}\n"
	}
	if s != expected {
		t.Errorf("Sorted keys mismatch:\n  %v %v", s, expected)
	}

	s = cfg.Sdump(map[customError]int{customError(1): 1, customError(3): 3, customError(2): 2})
	expected = "(map[spew_test.customError]int) (len=3) {\n" +
		"(spew_test.customError) error: 1: (int) 1,\n" +
		"(spew_test.customError) error: 2: (int) 2,\n" +
		"(spew_test.customError) error: 3: (int) 3\n" +
		"}\n"
	if s != expected {
		t.Errorf("Sorted keys mismatch:\n  %v %v", s, expected)
	}

}

func TestDumpOmitEmpty(t *testing.T) {
	cfg := spew.ConfigState{OmitEmpty: true, DisablePointerAddresses: true}
	type s struct {
		S1         *s
		S2         *s
		Int        int
		Int8       int8
		Int16      int16
		Int32      int32
		Int64      int64
		Uint       uint32
		Uint8      uint8
		Uint16     uint16
		Uint32     uint32
		Uint64     uint64
		Uintptr    uintptr
		Float32    float32
		Float64    float64
		Complex64  complex64
		Complex128 complex128
		UnsafePtr  unsafe.Pointer
		Interface  interface{}
		Bool       bool
		Chan       chan string
		String     string
		Map        map[string]int
		Slice      []string
		Array      [0]string
	}
	s1 := s{S1: &s{S2: &s{Int: 5}}}
	actual := cfg.Sdump(s1)
	expected := `(spew_test.s) {
S1: (*spew_test.s)({
S2: (*spew_test.s)({
Int: (int) 5,
}),
}),
}
`
	if actual != expected {
		t.Errorf("Omit empty fields incorrect:\n  %v %v", actual, expected)
	}
}