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xesite/vendor/github.com/davecgh/go-spew/spew/format_test.go

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2018-07-01 20:38:18 +00:00
/*
* 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
- Slice containing standard float32 values
- Slice containing type with custom formatter on pointer receiver only
- Slice containing interfaces
- 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
- Type that has a custom Error interface
- %x passthrough with uint
- %#x passthrough with uint
- %f passthrough with precision
- %f passthrough with width and precision
- %d passthrough with width
- %q passthrough with string
*/
package spew_test
import (
"bytes"
"fmt"
"testing"
"unsafe"
"github.com/davecgh/go-spew/spew"
)
// formatterTest is used to describe a test to be performed against NewFormatter.
type formatterTest struct {
format string
in interface{}
wants []string
}
// formatterTests houses all of the tests to be performed against NewFormatter.
var formatterTests = make([]formatterTest, 0)
// addFormatterTest is a helper method to append the passed input and desired
// result to formatterTests.
func addFormatterTest(format string, in interface{}, wants ...string) {
test := formatterTest{format, in, wants}
formatterTests = append(formatterTests, test)
}
func addIntFormatterTests() {
// Max int8.
v := int8(127)
nv := (*int8)(nil)
pv := &v
vAddr := fmt.Sprintf("%p", pv)
pvAddr := fmt.Sprintf("%p", &pv)
vt := "int8"
vs := "127"
addFormatterTest("%v", v, vs)
addFormatterTest("%v", pv, "<*>"+vs)
addFormatterTest("%v", &pv, "<**>"+vs)
addFormatterTest("%v", nv, "<nil>")
addFormatterTest("%+v", v, vs)
addFormatterTest("%+v", pv, "<*>("+vAddr+")"+vs)
addFormatterTest("%+v", &pv, "<**>("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%#v", v, "("+vt+")"+vs)
addFormatterTest("%#v", pv, "(*"+vt+")"+vs)
addFormatterTest("%#v", &pv, "(**"+vt+")"+vs)
addFormatterTest("%#v", nv, "(*"+vt+")"+"<nil>")
addFormatterTest("%#+v", v, "("+vt+")"+vs)
addFormatterTest("%#+v", pv, "(*"+vt+")("+vAddr+")"+vs)
addFormatterTest("%#+v", &pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%#+v", nv, "(*"+vt+")"+"<nil>")
// Max int16.
v2 := int16(32767)
nv2 := (*int16)(nil)
pv2 := &v2
v2Addr := fmt.Sprintf("%p", pv2)
pv2Addr := fmt.Sprintf("%p", &pv2)
v2t := "int16"
v2s := "32767"
addFormatterTest("%v", v2, v2s)
addFormatterTest("%v", pv2, "<*>"+v2s)
addFormatterTest("%v", &pv2, "<**>"+v2s)
addFormatterTest("%v", nv2, "<nil>")
addFormatterTest("%+v", v2, v2s)
addFormatterTest("%+v", pv2, "<*>("+v2Addr+")"+v2s)
addFormatterTest("%+v", &pv2, "<**>("+pv2Addr+"->"+v2Addr+")"+v2s)
addFormatterTest("%+v", nv2, "<nil>")
addFormatterTest("%#v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#v", pv2, "(*"+v2t+")"+v2s)
addFormatterTest("%#v", &pv2, "(**"+v2t+")"+v2s)
addFormatterTest("%#v", nv2, "(*"+v2t+")"+"<nil>")
addFormatterTest("%#+v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#+v", pv2, "(*"+v2t+")("+v2Addr+")"+v2s)
addFormatterTest("%#+v", &pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")"+v2s)
addFormatterTest("%#+v", nv2, "(*"+v2t+")"+"<nil>")
// Max int32.
v3 := int32(2147483647)
nv3 := (*int32)(nil)
pv3 := &v3
v3Addr := fmt.Sprintf("%p", pv3)
pv3Addr := fmt.Sprintf("%p", &pv3)
v3t := "int32"
v3s := "2147483647"
addFormatterTest("%v", v3, v3s)
addFormatterTest("%v", pv3, "<*>"+v3s)
addFormatterTest("%v", &pv3, "<**>"+v3s)
addFormatterTest("%v", nv3, "<nil>")
addFormatterTest("%+v", v3, v3s)
addFormatterTest("%+v", pv3, "<*>("+v3Addr+")"+v3s)
addFormatterTest("%+v", &pv3, "<**>("+pv3Addr+"->"+v3Addr+")"+v3s)
addFormatterTest("%+v", nv3, "<nil>")
addFormatterTest("%#v", v3, "("+v3t+")"+v3s)
addFormatterTest("%#v", pv3, "(*"+v3t+")"+v3s)
addFormatterTest("%#v", &pv3, "(**"+v3t+")"+v3s)
addFormatterTest("%#v", nv3, "(*"+v3t+")"+"<nil>")
addFormatterTest("%#+v", v3, "("+v3t+")"+v3s)
addFormatterTest("%#+v", pv3, "(*"+v3t+")("+v3Addr+")"+v3s)
addFormatterTest("%#+v", &pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")"+v3s)
addFormatterTest("%#v", nv3, "(*"+v3t+")"+"<nil>")
// Max int64.
v4 := int64(9223372036854775807)
nv4 := (*int64)(nil)
pv4 := &v4
v4Addr := fmt.Sprintf("%p", pv4)
pv4Addr := fmt.Sprintf("%p", &pv4)
v4t := "int64"
v4s := "9223372036854775807"
addFormatterTest("%v", v4, v4s)
addFormatterTest("%v", pv4, "<*>"+v4s)
addFormatterTest("%v", &pv4, "<**>"+v4s)
addFormatterTest("%v", nv4, "<nil>")
addFormatterTest("%+v", v4, v4s)
addFormatterTest("%+v", pv4, "<*>("+v4Addr+")"+v4s)
addFormatterTest("%+v", &pv4, "<**>("+pv4Addr+"->"+v4Addr+")"+v4s)
addFormatterTest("%+v", nv4, "<nil>")
addFormatterTest("%#v", v4, "("+v4t+")"+v4s)
addFormatterTest("%#v", pv4, "(*"+v4t+")"+v4s)
addFormatterTest("%#v", &pv4, "(**"+v4t+")"+v4s)
addFormatterTest("%#v", nv4, "(*"+v4t+")"+"<nil>")
addFormatterTest("%#+v", v4, "("+v4t+")"+v4s)
addFormatterTest("%#+v", pv4, "(*"+v4t+")("+v4Addr+")"+v4s)
addFormatterTest("%#+v", &pv4, "(**"+v4t+")("+pv4Addr+"->"+v4Addr+")"+v4s)
addFormatterTest("%#+v", nv4, "(*"+v4t+")"+"<nil>")
// Max int.
v5 := int(2147483647)
nv5 := (*int)(nil)
pv5 := &v5
v5Addr := fmt.Sprintf("%p", pv5)
pv5Addr := fmt.Sprintf("%p", &pv5)
v5t := "int"
v5s := "2147483647"
addFormatterTest("%v", v5, v5s)
addFormatterTest("%v", pv5, "<*>"+v5s)
addFormatterTest("%v", &pv5, "<**>"+v5s)
addFormatterTest("%v", nv5, "<nil>")
addFormatterTest("%+v", v5, v5s)
addFormatterTest("%+v", pv5, "<*>("+v5Addr+")"+v5s)
addFormatterTest("%+v", &pv5, "<**>("+pv5Addr+"->"+v5Addr+")"+v5s)
addFormatterTest("%+v", nv5, "<nil>")
addFormatterTest("%#v", v5, "("+v5t+")"+v5s)
addFormatterTest("%#v", pv5, "(*"+v5t+")"+v5s)
addFormatterTest("%#v", &pv5, "(**"+v5t+")"+v5s)
addFormatterTest("%#v", nv5, "(*"+v5t+")"+"<nil>")
addFormatterTest("%#+v", v5, "("+v5t+")"+v5s)
addFormatterTest("%#+v", pv5, "(*"+v5t+")("+v5Addr+")"+v5s)
addFormatterTest("%#+v", &pv5, "(**"+v5t+")("+pv5Addr+"->"+v5Addr+")"+v5s)
addFormatterTest("%#+v", nv5, "(*"+v5t+")"+"<nil>")
}
func addUintFormatterTests() {
// Max uint8.
v := uint8(255)
nv := (*uint8)(nil)
pv := &v
vAddr := fmt.Sprintf("%p", pv)
pvAddr := fmt.Sprintf("%p", &pv)
vt := "uint8"
vs := "255"
addFormatterTest("%v", v, vs)
addFormatterTest("%v", pv, "<*>"+vs)
addFormatterTest("%v", &pv, "<**>"+vs)
addFormatterTest("%v", nv, "<nil>")
addFormatterTest("%+v", v, vs)
addFormatterTest("%+v", pv, "<*>("+vAddr+")"+vs)
addFormatterTest("%+v", &pv, "<**>("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%#v", v, "("+vt+")"+vs)
addFormatterTest("%#v", pv, "(*"+vt+")"+vs)
addFormatterTest("%#v", &pv, "(**"+vt+")"+vs)
addFormatterTest("%#v", nv, "(*"+vt+")"+"<nil>")
addFormatterTest("%#+v", v, "("+vt+")"+vs)
addFormatterTest("%#+v", pv, "(*"+vt+")("+vAddr+")"+vs)
addFormatterTest("%#+v", &pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%#+v", nv, "(*"+vt+")"+"<nil>")
// Max uint16.
v2 := uint16(65535)
nv2 := (*uint16)(nil)
pv2 := &v2
v2Addr := fmt.Sprintf("%p", pv2)
pv2Addr := fmt.Sprintf("%p", &pv2)
v2t := "uint16"
v2s := "65535"
addFormatterTest("%v", v2, v2s)
addFormatterTest("%v", pv2, "<*>"+v2s)
addFormatterTest("%v", &pv2, "<**>"+v2s)
addFormatterTest("%v", nv2, "<nil>")
addFormatterTest("%+v", v2, v2s)
addFormatterTest("%+v", pv2, "<*>("+v2Addr+")"+v2s)
addFormatterTest("%+v", &pv2, "<**>("+pv2Addr+"->"+v2Addr+")"+v2s)
addFormatterTest("%+v", nv2, "<nil>")
addFormatterTest("%#v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#v", pv2, "(*"+v2t+")"+v2s)
addFormatterTest("%#v", &pv2, "(**"+v2t+")"+v2s)
addFormatterTest("%#v", nv2, "(*"+v2t+")"+"<nil>")
addFormatterTest("%#+v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#+v", pv2, "(*"+v2t+")("+v2Addr+")"+v2s)
addFormatterTest("%#+v", &pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")"+v2s)
addFormatterTest("%#+v", nv2, "(*"+v2t+")"+"<nil>")
// Max uint32.
v3 := uint32(4294967295)
nv3 := (*uint32)(nil)
pv3 := &v3
v3Addr := fmt.Sprintf("%p", pv3)
pv3Addr := fmt.Sprintf("%p", &pv3)
v3t := "uint32"
v3s := "4294967295"
addFormatterTest("%v", v3, v3s)
addFormatterTest("%v", pv3, "<*>"+v3s)
addFormatterTest("%v", &pv3, "<**>"+v3s)
addFormatterTest("%v", nv3, "<nil>")
addFormatterTest("%+v", v3, v3s)
addFormatterTest("%+v", pv3, "<*>("+v3Addr+")"+v3s)
addFormatterTest("%+v", &pv3, "<**>("+pv3Addr+"->"+v3Addr+")"+v3s)
addFormatterTest("%+v", nv3, "<nil>")
addFormatterTest("%#v", v3, "("+v3t+")"+v3s)
addFormatterTest("%#v", pv3, "(*"+v3t+")"+v3s)
addFormatterTest("%#v", &pv3, "(**"+v3t+")"+v3s)
addFormatterTest("%#v", nv3, "(*"+v3t+")"+"<nil>")
addFormatterTest("%#+v", v3, "("+v3t+")"+v3s)
addFormatterTest("%#+v", pv3, "(*"+v3t+")("+v3Addr+")"+v3s)
addFormatterTest("%#+v", &pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")"+v3s)
addFormatterTest("%#v", nv3, "(*"+v3t+")"+"<nil>")
// Max uint64.
v4 := uint64(18446744073709551615)
nv4 := (*uint64)(nil)
pv4 := &v4
v4Addr := fmt.Sprintf("%p", pv4)
pv4Addr := fmt.Sprintf("%p", &pv4)
v4t := "uint64"
v4s := "18446744073709551615"
addFormatterTest("%v", v4, v4s)
addFormatterTest("%v", pv4, "<*>"+v4s)
addFormatterTest("%v", &pv4, "<**>"+v4s)
addFormatterTest("%v", nv4, "<nil>")
addFormatterTest("%+v", v4, v4s)
addFormatterTest("%+v", pv4, "<*>("+v4Addr+")"+v4s)
addFormatterTest("%+v", &pv4, "<**>("+pv4Addr+"->"+v4Addr+")"+v4s)
addFormatterTest("%+v", nv4, "<nil>")
addFormatterTest("%#v", v4, "("+v4t+")"+v4s)
addFormatterTest("%#v", pv4, "(*"+v4t+")"+v4s)
addFormatterTest("%#v", &pv4, "(**"+v4t+")"+v4s)
addFormatterTest("%#v", nv4, "(*"+v4t+")"+"<nil>")
addFormatterTest("%#+v", v4, "("+v4t+")"+v4s)
addFormatterTest("%#+v", pv4, "(*"+v4t+")("+v4Addr+")"+v4s)
addFormatterTest("%#+v", &pv4, "(**"+v4t+")("+pv4Addr+"->"+v4Addr+")"+v4s)
addFormatterTest("%#+v", nv4, "(*"+v4t+")"+"<nil>")
// Max uint.
v5 := uint(4294967295)
nv5 := (*uint)(nil)
pv5 := &v5
v5Addr := fmt.Sprintf("%p", pv5)
pv5Addr := fmt.Sprintf("%p", &pv5)
v5t := "uint"
v5s := "4294967295"
addFormatterTest("%v", v5, v5s)
addFormatterTest("%v", pv5, "<*>"+v5s)
addFormatterTest("%v", &pv5, "<**>"+v5s)
addFormatterTest("%v", nv5, "<nil>")
addFormatterTest("%+v", v5, v5s)
addFormatterTest("%+v", pv5, "<*>("+v5Addr+")"+v5s)
addFormatterTest("%+v", &pv5, "<**>("+pv5Addr+"->"+v5Addr+")"+v5s)
addFormatterTest("%+v", nv5, "<nil>")
addFormatterTest("%#v", v5, "("+v5t+")"+v5s)
addFormatterTest("%#v", pv5, "(*"+v5t+")"+v5s)
addFormatterTest("%#v", &pv5, "(**"+v5t+")"+v5s)
addFormatterTest("%#v", nv5, "(*"+v5t+")"+"<nil>")
addFormatterTest("%#+v", v5, "("+v5t+")"+v5s)
addFormatterTest("%#+v", pv5, "(*"+v5t+")("+v5Addr+")"+v5s)
addFormatterTest("%#+v", &pv5, "(**"+v5t+")("+pv5Addr+"->"+v5Addr+")"+v5s)
addFormatterTest("%#v", nv5, "(*"+v5t+")"+"<nil>")
}
func addBoolFormatterTests() {
// Boolean true.
v := bool(true)
nv := (*bool)(nil)
pv := &v
vAddr := fmt.Sprintf("%p", pv)
pvAddr := fmt.Sprintf("%p", &pv)
vt := "bool"
vs := "true"
addFormatterTest("%v", v, vs)
addFormatterTest("%v", pv, "<*>"+vs)
addFormatterTest("%v", &pv, "<**>"+vs)
addFormatterTest("%v", nv, "<nil>")
addFormatterTest("%+v", v, vs)
addFormatterTest("%+v", pv, "<*>("+vAddr+")"+vs)
addFormatterTest("%+v", &pv, "<**>("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%#v", v, "("+vt+")"+vs)
addFormatterTest("%#v", pv, "(*"+vt+")"+vs)
addFormatterTest("%#v", &pv, "(**"+vt+")"+vs)
addFormatterTest("%#v", nv, "(*"+vt+")"+"<nil>")
addFormatterTest("%#+v", v, "("+vt+")"+vs)
addFormatterTest("%#+v", pv, "(*"+vt+")("+vAddr+")"+vs)
addFormatterTest("%#+v", &pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%#+v", nv, "(*"+vt+")"+"<nil>")
// Boolean false.
v2 := bool(false)
pv2 := &v2
v2Addr := fmt.Sprintf("%p", pv2)
pv2Addr := fmt.Sprintf("%p", &pv2)
v2t := "bool"
v2s := "false"
addFormatterTest("%v", v2, v2s)
addFormatterTest("%v", pv2, "<*>"+v2s)
addFormatterTest("%v", &pv2, "<**>"+v2s)
addFormatterTest("%+v", v2, v2s)
addFormatterTest("%+v", pv2, "<*>("+v2Addr+")"+v2s)
addFormatterTest("%+v", &pv2, "<**>("+pv2Addr+"->"+v2Addr+")"+v2s)
addFormatterTest("%#v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#v", pv2, "(*"+v2t+")"+v2s)
addFormatterTest("%#v", &pv2, "(**"+v2t+")"+v2s)
addFormatterTest("%#+v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#+v", pv2, "(*"+v2t+")("+v2Addr+")"+v2s)
addFormatterTest("%#+v", &pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")"+v2s)
}
func addFloatFormatterTests() {
// 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"
addFormatterTest("%v", v, vs)
addFormatterTest("%v", pv, "<*>"+vs)
addFormatterTest("%v", &pv, "<**>"+vs)
addFormatterTest("%v", nv, "<nil>")
addFormatterTest("%+v", v, vs)
addFormatterTest("%+v", pv, "<*>("+vAddr+")"+vs)
addFormatterTest("%+v", &pv, "<**>("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%#v", v, "("+vt+")"+vs)
addFormatterTest("%#v", pv, "(*"+vt+")"+vs)
addFormatterTest("%#v", &pv, "(**"+vt+")"+vs)
addFormatterTest("%#v", nv, "(*"+vt+")"+"<nil>")
addFormatterTest("%#+v", v, "("+vt+")"+vs)
addFormatterTest("%#+v", pv, "(*"+vt+")("+vAddr+")"+vs)
addFormatterTest("%#+v", &pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%#+v", nv, "(*"+vt+")"+"<nil>")
// 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"
addFormatterTest("%v", v2, v2s)
addFormatterTest("%v", pv2, "<*>"+v2s)
addFormatterTest("%v", &pv2, "<**>"+v2s)
addFormatterTest("%+v", nv2, "<nil>")
addFormatterTest("%+v", v2, v2s)
addFormatterTest("%+v", pv2, "<*>("+v2Addr+")"+v2s)
addFormatterTest("%+v", &pv2, "<**>("+pv2Addr+"->"+v2Addr+")"+v2s)
addFormatterTest("%+v", nv2, "<nil>")
addFormatterTest("%#v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#v", pv2, "(*"+v2t+")"+v2s)
addFormatterTest("%#v", &pv2, "(**"+v2t+")"+v2s)
addFormatterTest("%#v", nv2, "(*"+v2t+")"+"<nil>")
addFormatterTest("%#+v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#+v", pv2, "(*"+v2t+")("+v2Addr+")"+v2s)
addFormatterTest("%#+v", &pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")"+v2s)
addFormatterTest("%#+v", nv2, "(*"+v2t+")"+"<nil>")
}
func addComplexFormatterTests() {
// 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)"
addFormatterTest("%v", v, vs)
addFormatterTest("%v", pv, "<*>"+vs)
addFormatterTest("%v", &pv, "<**>"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%+v", v, vs)
addFormatterTest("%+v", pv, "<*>("+vAddr+")"+vs)
addFormatterTest("%+v", &pv, "<**>("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%#v", v, "("+vt+")"+vs)
addFormatterTest("%#v", pv, "(*"+vt+")"+vs)
addFormatterTest("%#v", &pv, "(**"+vt+")"+vs)
addFormatterTest("%#v", nv, "(*"+vt+")"+"<nil>")
addFormatterTest("%#+v", v, "("+vt+")"+vs)
addFormatterTest("%#+v", pv, "(*"+vt+")("+vAddr+")"+vs)
addFormatterTest("%#+v", &pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%#+v", nv, "(*"+vt+")"+"<nil>")
// 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)"
addFormatterTest("%v", v2, v2s)
addFormatterTest("%v", pv2, "<*>"+v2s)
addFormatterTest("%v", &pv2, "<**>"+v2s)
addFormatterTest("%+v", nv2, "<nil>")
addFormatterTest("%+v", v2, v2s)
addFormatterTest("%+v", pv2, "<*>("+v2Addr+")"+v2s)
addFormatterTest("%+v", &pv2, "<**>("+pv2Addr+"->"+v2Addr+")"+v2s)
addFormatterTest("%+v", nv2, "<nil>")
addFormatterTest("%#v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#v", pv2, "(*"+v2t+")"+v2s)
addFormatterTest("%#v", &pv2, "(**"+v2t+")"+v2s)
addFormatterTest("%#v", nv2, "(*"+v2t+")"+"<nil>")
addFormatterTest("%#+v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#+v", pv2, "(*"+v2t+")("+v2Addr+")"+v2s)
addFormatterTest("%#+v", &pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")"+v2s)
addFormatterTest("%#+v", nv2, "(*"+v2t+")"+"<nil>")
}
func addArrayFormatterTests() {
// Array containing standard ints.
v := [3]int{1, 2, 3}
nv := (*[3]int)(nil)
pv := &v
vAddr := fmt.Sprintf("%p", pv)
pvAddr := fmt.Sprintf("%p", &pv)
vt := "[3]int"
vs := "[1 2 3]"
addFormatterTest("%v", v, vs)
addFormatterTest("%v", pv, "<*>"+vs)
addFormatterTest("%v", &pv, "<**>"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%+v", v, vs)
addFormatterTest("%+v", pv, "<*>("+vAddr+")"+vs)
addFormatterTest("%+v", &pv, "<**>("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%#v", v, "("+vt+")"+vs)
addFormatterTest("%#v", pv, "(*"+vt+")"+vs)
addFormatterTest("%#v", &pv, "(**"+vt+")"+vs)
addFormatterTest("%#v", nv, "(*"+vt+")"+"<nil>")
addFormatterTest("%#+v", v, "("+vt+")"+vs)
addFormatterTest("%#+v", pv, "(*"+vt+")("+vAddr+")"+vs)
addFormatterTest("%#+v", &pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%#+v", nv, "(*"+vt+")"+"<nil>")
// Array containing type with custom formatter on pointer receiver only.
v2 := [3]pstringer{"1", "2", "3"}
nv2 := (*[3]pstringer)(nil)
pv2 := &v2
v2Addr := fmt.Sprintf("%p", pv2)
pv2Addr := fmt.Sprintf("%p", &pv2)
v2t := "[3]spew_test.pstringer"
v2sp := "[stringer 1 stringer 2 stringer 3]"
v2s := v2sp
if spew.UnsafeDisabled {
v2s = "[1 2 3]"
}
addFormatterTest("%v", v2, v2s)
addFormatterTest("%v", pv2, "<*>"+v2sp)
addFormatterTest("%v", &pv2, "<**>"+v2sp)
addFormatterTest("%+v", nv2, "<nil>")
addFormatterTest("%+v", v2, v2s)
addFormatterTest("%+v", pv2, "<*>("+v2Addr+")"+v2sp)
addFormatterTest("%+v", &pv2, "<**>("+pv2Addr+"->"+v2Addr+")"+v2sp)
addFormatterTest("%+v", nv2, "<nil>")
addFormatterTest("%#v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#v", pv2, "(*"+v2t+")"+v2sp)
addFormatterTest("%#v", &pv2, "(**"+v2t+")"+v2sp)
addFormatterTest("%#v", nv2, "(*"+v2t+")"+"<nil>")
addFormatterTest("%#+v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#+v", pv2, "(*"+v2t+")("+v2Addr+")"+v2sp)
addFormatterTest("%#+v", &pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")"+v2sp)
addFormatterTest("%#+v", nv2, "(*"+v2t+")"+"<nil>")
// Array containing interfaces.
v3 := [3]interface{}{"one", int(2), uint(3)}
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 := "[one 2 3]"
v3s2 := "[(" + v3t2 + ")one (" + v3t3 + ")2 (" + v3t4 + ")3]"
addFormatterTest("%v", v3, v3s)
addFormatterTest("%v", pv3, "<*>"+v3s)
addFormatterTest("%v", &pv3, "<**>"+v3s)
addFormatterTest("%+v", nv3, "<nil>")
addFormatterTest("%+v", v3, v3s)
addFormatterTest("%+v", pv3, "<*>("+v3Addr+")"+v3s)
addFormatterTest("%+v", &pv3, "<**>("+pv3Addr+"->"+v3Addr+")"+v3s)
addFormatterTest("%+v", nv3, "<nil>")
addFormatterTest("%#v", v3, "("+v3t+")"+v3s2)
addFormatterTest("%#v", pv3, "(*"+v3t+")"+v3s2)
addFormatterTest("%#v", &pv3, "(**"+v3t+")"+v3s2)
addFormatterTest("%#v", nv3, "(*"+v3t+")"+"<nil>")
addFormatterTest("%#+v", v3, "("+v3t+")"+v3s2)
addFormatterTest("%#+v", pv3, "(*"+v3t+")("+v3Addr+")"+v3s2)
addFormatterTest("%#+v", &pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")"+v3s2)
addFormatterTest("%#+v", nv3, "(*"+v3t+")"+"<nil>")
}
func addSliceFormatterTests() {
// Slice containing standard float32 values.
v := []float32{3.14, 6.28, 12.56}
nv := (*[]float32)(nil)
pv := &v
vAddr := fmt.Sprintf("%p", pv)
pvAddr := fmt.Sprintf("%p", &pv)
vt := "[]float32"
vs := "[3.14 6.28 12.56]"
addFormatterTest("%v", v, vs)
addFormatterTest("%v", pv, "<*>"+vs)
addFormatterTest("%v", &pv, "<**>"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%+v", v, vs)
addFormatterTest("%+v", pv, "<*>("+vAddr+")"+vs)
addFormatterTest("%+v", &pv, "<**>("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%#v", v, "("+vt+")"+vs)
addFormatterTest("%#v", pv, "(*"+vt+")"+vs)
addFormatterTest("%#v", &pv, "(**"+vt+")"+vs)
addFormatterTest("%#v", nv, "(*"+vt+")"+"<nil>")
addFormatterTest("%#+v", v, "("+vt+")"+vs)
addFormatterTest("%#+v", pv, "(*"+vt+")("+vAddr+")"+vs)
addFormatterTest("%#+v", &pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%#+v", nv, "(*"+vt+")"+"<nil>")
// Slice containing type with custom formatter on pointer receiver only.
v2 := []pstringer{"1", "2", "3"}
nv2 := (*[]pstringer)(nil)
pv2 := &v2
v2Addr := fmt.Sprintf("%p", pv2)
pv2Addr := fmt.Sprintf("%p", &pv2)
v2t := "[]spew_test.pstringer"
v2s := "[stringer 1 stringer 2 stringer 3]"
addFormatterTest("%v", v2, v2s)
addFormatterTest("%v", pv2, "<*>"+v2s)
addFormatterTest("%v", &pv2, "<**>"+v2s)
addFormatterTest("%+v", nv2, "<nil>")
addFormatterTest("%+v", v2, v2s)
addFormatterTest("%+v", pv2, "<*>("+v2Addr+")"+v2s)
addFormatterTest("%+v", &pv2, "<**>("+pv2Addr+"->"+v2Addr+")"+v2s)
addFormatterTest("%+v", nv2, "<nil>")
addFormatterTest("%#v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#v", pv2, "(*"+v2t+")"+v2s)
addFormatterTest("%#v", &pv2, "(**"+v2t+")"+v2s)
addFormatterTest("%#v", nv2, "(*"+v2t+")"+"<nil>")
addFormatterTest("%#+v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#+v", pv2, "(*"+v2t+")("+v2Addr+")"+v2s)
addFormatterTest("%#+v", &pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")"+v2s)
addFormatterTest("%#+v", nv2, "(*"+v2t+")"+"<nil>")
// Slice containing interfaces.
v3 := []interface{}{"one", int(2), uint(3), nil}
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 := "[one 2 3 <nil>]"
v3s2 := "[(" + v3t2 + ")one (" + v3t3 + ")2 (" + v3t4 + ")3 (" + v3t5 +
")<nil>]"
addFormatterTest("%v", v3, v3s)
addFormatterTest("%v", pv3, "<*>"+v3s)
addFormatterTest("%v", &pv3, "<**>"+v3s)
addFormatterTest("%+v", nv3, "<nil>")
addFormatterTest("%+v", v3, v3s)
addFormatterTest("%+v", pv3, "<*>("+v3Addr+")"+v3s)
addFormatterTest("%+v", &pv3, "<**>("+pv3Addr+"->"+v3Addr+")"+v3s)
addFormatterTest("%+v", nv3, "<nil>")
addFormatterTest("%#v", v3, "("+v3t+")"+v3s2)
addFormatterTest("%#v", pv3, "(*"+v3t+")"+v3s2)
addFormatterTest("%#v", &pv3, "(**"+v3t+")"+v3s2)
addFormatterTest("%#v", nv3, "(*"+v3t+")"+"<nil>")
addFormatterTest("%#+v", v3, "("+v3t+")"+v3s2)
addFormatterTest("%#+v", pv3, "(*"+v3t+")("+v3Addr+")"+v3s2)
addFormatterTest("%#+v", &pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")"+v3s2)
addFormatterTest("%#+v", nv3, "(*"+v3t+")"+"<nil>")
// Nil slice.
var v4 []int
nv4 := (*[]int)(nil)
pv4 := &v4
v4Addr := fmt.Sprintf("%p", pv4)
pv4Addr := fmt.Sprintf("%p", &pv4)
v4t := "[]int"
v4s := "<nil>"
addFormatterTest("%v", v4, v4s)
addFormatterTest("%v", pv4, "<*>"+v4s)
addFormatterTest("%v", &pv4, "<**>"+v4s)
addFormatterTest("%+v", nv4, "<nil>")
addFormatterTest("%+v", v4, v4s)
addFormatterTest("%+v", pv4, "<*>("+v4Addr+")"+v4s)
addFormatterTest("%+v", &pv4, "<**>("+pv4Addr+"->"+v4Addr+")"+v4s)
addFormatterTest("%+v", nv4, "<nil>")
addFormatterTest("%#v", v4, "("+v4t+")"+v4s)
addFormatterTest("%#v", pv4, "(*"+v4t+")"+v4s)
addFormatterTest("%#v", &pv4, "(**"+v4t+")"+v4s)
addFormatterTest("%#v", nv4, "(*"+v4t+")"+"<nil>")
addFormatterTest("%#+v", v4, "("+v4t+")"+v4s)
addFormatterTest("%#+v", pv4, "(*"+v4t+")("+v4Addr+")"+v4s)
addFormatterTest("%#+v", &pv4, "(**"+v4t+")("+pv4Addr+"->"+v4Addr+")"+v4s)
addFormatterTest("%#+v", nv4, "(*"+v4t+")"+"<nil>")
}
func addStringFormatterTests() {
// Standard string.
v := "test"
nv := (*string)(nil)
pv := &v
vAddr := fmt.Sprintf("%p", pv)
pvAddr := fmt.Sprintf("%p", &pv)
vt := "string"
vs := "test"
addFormatterTest("%v", v, vs)
addFormatterTest("%v", pv, "<*>"+vs)
addFormatterTest("%v", &pv, "<**>"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%+v", v, vs)
addFormatterTest("%+v", pv, "<*>("+vAddr+")"+vs)
addFormatterTest("%+v", &pv, "<**>("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%#v", v, "("+vt+")"+vs)
addFormatterTest("%#v", pv, "(*"+vt+")"+vs)
addFormatterTest("%#v", &pv, "(**"+vt+")"+vs)
addFormatterTest("%#v", nv, "(*"+vt+")"+"<nil>")
addFormatterTest("%#+v", v, "("+vt+")"+vs)
addFormatterTest("%#+v", pv, "(*"+vt+")("+vAddr+")"+vs)
addFormatterTest("%#+v", &pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%#+v", nv, "(*"+vt+")"+"<nil>")
}
func addInterfaceFormatterTests() {
// Nil interface.
var v interface{}
nv := (*interface{})(nil)
pv := &v
vAddr := fmt.Sprintf("%p", pv)
pvAddr := fmt.Sprintf("%p", &pv)
vt := "interface {}"
vs := "<nil>"
addFormatterTest("%v", v, vs)
addFormatterTest("%v", pv, "<*>"+vs)
addFormatterTest("%v", &pv, "<**>"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%+v", v, vs)
addFormatterTest("%+v", pv, "<*>("+vAddr+")"+vs)
addFormatterTest("%+v", &pv, "<**>("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%#v", v, "("+vt+")"+vs)
addFormatterTest("%#v", pv, "(*"+vt+")"+vs)
addFormatterTest("%#v", &pv, "(**"+vt+")"+vs)
addFormatterTest("%#v", nv, "(*"+vt+")"+"<nil>")
addFormatterTest("%#+v", v, "("+vt+")"+vs)
addFormatterTest("%#+v", pv, "(*"+vt+")("+vAddr+")"+vs)
addFormatterTest("%#+v", &pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%#+v", nv, "(*"+vt+")"+"<nil>")
// Sub-interface.
v2 := interface{}(uint16(65535))
pv2 := &v2
v2Addr := fmt.Sprintf("%p", pv2)
pv2Addr := fmt.Sprintf("%p", &pv2)
v2t := "uint16"
v2s := "65535"
addFormatterTest("%v", v2, v2s)
addFormatterTest("%v", pv2, "<*>"+v2s)
addFormatterTest("%v", &pv2, "<**>"+v2s)
addFormatterTest("%+v", v2, v2s)
addFormatterTest("%+v", pv2, "<*>("+v2Addr+")"+v2s)
addFormatterTest("%+v", &pv2, "<**>("+pv2Addr+"->"+v2Addr+")"+v2s)
addFormatterTest("%#v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#v", pv2, "(*"+v2t+")"+v2s)
addFormatterTest("%#v", &pv2, "(**"+v2t+")"+v2s)
addFormatterTest("%#+v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#+v", pv2, "(*"+v2t+")("+v2Addr+")"+v2s)
addFormatterTest("%#+v", &pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")"+v2s)
}
func addMapFormatterTests() {
// Map with string keys and int vals.
v := map[string]int{"one": 1, "two": 2}
nilMap := map[string]int(nil)
nv := (*map[string]int)(nil)
pv := &v
vAddr := fmt.Sprintf("%p", pv)
pvAddr := fmt.Sprintf("%p", &pv)
vt := "map[string]int"
vs := "map[one:1 two:2]"
vs2 := "map[two:2 one:1]"
addFormatterTest("%v", v, vs, vs2)
addFormatterTest("%v", pv, "<*>"+vs, "<*>"+vs2)
addFormatterTest("%v", &pv, "<**>"+vs, "<**>"+vs2)
addFormatterTest("%+v", nilMap, "<nil>")
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%+v", v, vs, vs2)
addFormatterTest("%+v", pv, "<*>("+vAddr+")"+vs, "<*>("+vAddr+")"+vs2)
addFormatterTest("%+v", &pv, "<**>("+pvAddr+"->"+vAddr+")"+vs,
"<**>("+pvAddr+"->"+vAddr+")"+vs2)
addFormatterTest("%+v", nilMap, "<nil>")
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%#v", v, "("+vt+")"+vs, "("+vt+")"+vs2)
addFormatterTest("%#v", pv, "(*"+vt+")"+vs, "(*"+vt+")"+vs2)
addFormatterTest("%#v", &pv, "(**"+vt+")"+vs, "(**"+vt+")"+vs2)
addFormatterTest("%#v", nilMap, "("+vt+")"+"<nil>")
addFormatterTest("%#v", nv, "(*"+vt+")"+"<nil>")
addFormatterTest("%#+v", v, "("+vt+")"+vs, "("+vt+")"+vs2)
addFormatterTest("%#+v", pv, "(*"+vt+")("+vAddr+")"+vs,
"(*"+vt+")("+vAddr+")"+vs2)
addFormatterTest("%#+v", &pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")"+vs,
"(**"+vt+")("+pvAddr+"->"+vAddr+")"+vs2)
addFormatterTest("%#+v", nilMap, "("+vt+")"+"<nil>")
addFormatterTest("%#+v", nv, "(*"+vt+")"+"<nil>")
// Map with custom formatter type on pointer receiver only keys and vals.
v2 := map[pstringer]pstringer{"one": "1"}
nv2 := (*map[pstringer]pstringer)(nil)
pv2 := &v2
v2Addr := fmt.Sprintf("%p", pv2)
pv2Addr := fmt.Sprintf("%p", &pv2)
v2t := "map[spew_test.pstringer]spew_test.pstringer"
v2s := "map[stringer one:stringer 1]"
if spew.UnsafeDisabled {
v2s = "map[one:1]"
}
addFormatterTest("%v", v2, v2s)
addFormatterTest("%v", pv2, "<*>"+v2s)
addFormatterTest("%v", &pv2, "<**>"+v2s)
addFormatterTest("%+v", nv2, "<nil>")
addFormatterTest("%+v", v2, v2s)
addFormatterTest("%+v", pv2, "<*>("+v2Addr+")"+v2s)
addFormatterTest("%+v", &pv2, "<**>("+pv2Addr+"->"+v2Addr+")"+v2s)
addFormatterTest("%+v", nv2, "<nil>")
addFormatterTest("%#v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#v", pv2, "(*"+v2t+")"+v2s)
addFormatterTest("%#v", &pv2, "(**"+v2t+")"+v2s)
addFormatterTest("%#v", nv2, "(*"+v2t+")"+"<nil>")
addFormatterTest("%#+v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#+v", pv2, "(*"+v2t+")("+v2Addr+")"+v2s)
addFormatterTest("%#+v", &pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")"+v2s)
addFormatterTest("%#+v", nv2, "(*"+v2t+")"+"<nil>")
// Map with interface keys and values.
v3 := map[interface{}]interface{}{"one": 1}
nv3 := (*map[interface{}]interface{})(nil)
pv3 := &v3
v3Addr := fmt.Sprintf("%p", pv3)
pv3Addr := fmt.Sprintf("%p", &pv3)
v3t := "map[interface {}]interface {}"
v3t1 := "string"
v3t2 := "int"
v3s := "map[one:1]"
v3s2 := "map[(" + v3t1 + ")one:(" + v3t2 + ")1]"
addFormatterTest("%v", v3, v3s)
addFormatterTest("%v", pv3, "<*>"+v3s)
addFormatterTest("%v", &pv3, "<**>"+v3s)
addFormatterTest("%+v", nv3, "<nil>")
addFormatterTest("%+v", v3, v3s)
addFormatterTest("%+v", pv3, "<*>("+v3Addr+")"+v3s)
addFormatterTest("%+v", &pv3, "<**>("+pv3Addr+"->"+v3Addr+")"+v3s)
addFormatterTest("%+v", nv3, "<nil>")
addFormatterTest("%#v", v3, "("+v3t+")"+v3s2)
addFormatterTest("%#v", pv3, "(*"+v3t+")"+v3s2)
addFormatterTest("%#v", &pv3, "(**"+v3t+")"+v3s2)
addFormatterTest("%#v", nv3, "(*"+v3t+")"+"<nil>")
addFormatterTest("%#+v", v3, "("+v3t+")"+v3s2)
addFormatterTest("%#+v", pv3, "(*"+v3t+")("+v3Addr+")"+v3s2)
addFormatterTest("%#+v", &pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")"+v3s2)
addFormatterTest("%#+v", nv3, "(*"+v3t+")"+"<nil>")
// Map with nil interface value
v4 := map[string]interface{}{"nil": nil}
nv4 := (*map[string]interface{})(nil)
pv4 := &v4
v4Addr := fmt.Sprintf("%p", pv4)
pv4Addr := fmt.Sprintf("%p", &pv4)
v4t := "map[string]interface {}"
v4t1 := "interface {}"
v4s := "map[nil:<nil>]"
v4s2 := "map[nil:(" + v4t1 + ")<nil>]"
addFormatterTest("%v", v4, v4s)
addFormatterTest("%v", pv4, "<*>"+v4s)
addFormatterTest("%v", &pv4, "<**>"+v4s)
addFormatterTest("%+v", nv4, "<nil>")
addFormatterTest("%+v", v4, v4s)
addFormatterTest("%+v", pv4, "<*>("+v4Addr+")"+v4s)
addFormatterTest("%+v", &pv4, "<**>("+pv4Addr+"->"+v4Addr+")"+v4s)
addFormatterTest("%+v", nv4, "<nil>")
addFormatterTest("%#v", v4, "("+v4t+")"+v4s2)
addFormatterTest("%#v", pv4, "(*"+v4t+")"+v4s2)
addFormatterTest("%#v", &pv4, "(**"+v4t+")"+v4s2)
addFormatterTest("%#v", nv4, "(*"+v4t+")"+"<nil>")
addFormatterTest("%#+v", v4, "("+v4t+")"+v4s2)
addFormatterTest("%#+v", pv4, "(*"+v4t+")("+v4Addr+")"+v4s2)
addFormatterTest("%#+v", &pv4, "(**"+v4t+")("+pv4Addr+"->"+v4Addr+")"+v4s2)
addFormatterTest("%#+v", nv4, "(*"+v4t+")"+"<nil>")
}
func addStructFormatterTests() {
// 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 := "{127 255}"
vs2 := "{a:127 b:255}"
vs3 := "{a:(" + vt2 + ")127 b:(" + vt3 + ")255}"
addFormatterTest("%v", v, vs)
addFormatterTest("%v", pv, "<*>"+vs)
addFormatterTest("%v", &pv, "<**>"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%+v", v, vs2)
addFormatterTest("%+v", pv, "<*>("+vAddr+")"+vs2)
addFormatterTest("%+v", &pv, "<**>("+pvAddr+"->"+vAddr+")"+vs2)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%#v", v, "("+vt+")"+vs3)
addFormatterTest("%#v", pv, "(*"+vt+")"+vs3)
addFormatterTest("%#v", &pv, "(**"+vt+")"+vs3)
addFormatterTest("%#v", nv, "(*"+vt+")"+"<nil>")
addFormatterTest("%#+v", v, "("+vt+")"+vs3)
addFormatterTest("%#+v", pv, "(*"+vt+")("+vAddr+")"+vs3)
addFormatterTest("%#+v", &pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")"+vs3)
addFormatterTest("%#+v", nv, "(*"+vt+")"+"<nil>")
// 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 := "{{127 255} true}"
v2s2 := "{s1:{a:127 b:255} b:true}"
v2s3 := "{s1:(" + v2t2 + "){a:(" + v2t3 + ")127 b:(" + v2t4 + ")255} b:(" +
v2t5 + ")true}"
addFormatterTest("%v", v2, v2s)
addFormatterTest("%v", pv2, "<*>"+v2s)
addFormatterTest("%v", &pv2, "<**>"+v2s)
addFormatterTest("%+v", nv2, "<nil>")
addFormatterTest("%+v", v2, v2s2)
addFormatterTest("%+v", pv2, "<*>("+v2Addr+")"+v2s2)
addFormatterTest("%+v", &pv2, "<**>("+pv2Addr+"->"+v2Addr+")"+v2s2)
addFormatterTest("%+v", nv2, "<nil>")
addFormatterTest("%#v", v2, "("+v2t+")"+v2s3)
addFormatterTest("%#v", pv2, "(*"+v2t+")"+v2s3)
addFormatterTest("%#v", &pv2, "(**"+v2t+")"+v2s3)
addFormatterTest("%#v", nv2, "(*"+v2t+")"+"<nil>")
addFormatterTest("%#+v", v2, "("+v2t+")"+v2s3)
addFormatterTest("%#+v", pv2, "(*"+v2t+")("+v2Addr+")"+v2s3)
addFormatterTest("%#+v", &pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")"+v2s3)
addFormatterTest("%#+v", nv2, "(*"+v2t+")"+"<nil>")
// 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 := "{stringer test stringer test2}"
v3sp := v3s
v3s2 := "{s:stringer test S:stringer test2}"
v3s2p := v3s2
v3s3 := "{s:(" + v3t2 + ")stringer test S:(" + v3t2 + ")stringer test2}"
v3s3p := v3s3
if spew.UnsafeDisabled {
v3s = "{test test2}"
v3sp = "{test stringer test2}"
v3s2 = "{s:test S:test2}"
v3s2p = "{s:test S:stringer test2}"
v3s3 = "{s:(" + v3t2 + ")test S:(" + v3t2 + ")test2}"
v3s3p = "{s:(" + v3t2 + ")test S:(" + v3t2 + ")stringer test2}"
}
addFormatterTest("%v", v3, v3s)
addFormatterTest("%v", pv3, "<*>"+v3sp)
addFormatterTest("%v", &pv3, "<**>"+v3sp)
addFormatterTest("%+v", nv3, "<nil>")
addFormatterTest("%+v", v3, v3s2)
addFormatterTest("%+v", pv3, "<*>("+v3Addr+")"+v3s2p)
addFormatterTest("%+v", &pv3, "<**>("+pv3Addr+"->"+v3Addr+")"+v3s2p)
addFormatterTest("%+v", nv3, "<nil>")
addFormatterTest("%#v", v3, "("+v3t+")"+v3s3)
addFormatterTest("%#v", pv3, "(*"+v3t+")"+v3s3p)
addFormatterTest("%#v", &pv3, "(**"+v3t+")"+v3s3p)
addFormatterTest("%#v", nv3, "(*"+v3t+")"+"<nil>")
addFormatterTest("%#+v", v3, "("+v3t+")"+v3s3)
addFormatterTest("%#+v", pv3, "(*"+v3t+")("+v3Addr+")"+v3s3p)
addFormatterTest("%#+v", &pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")"+v3s3p)
addFormatterTest("%#+v", nv3, "(*"+v3t+")"+"<nil>")
// Struct that contains embedded struct and field to same struct.
e := embed{"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 := "{<*>{embedstr} <*>{embedstr}}"
v4s2 := "{embed:<*>(" + eAddr + "){a:embedstr} e:<*>(" + eAddr +
"){a:embedstr}}"
v4s3 := "{embed:(*" + v4t2 + "){a:(" + v4t3 + ")embedstr} e:(*" + v4t2 +
"){a:(" + v4t3 + ")embedstr}}"
v4s4 := "{embed:(*" + v4t2 + ")(" + eAddr + "){a:(" + v4t3 +
")embedstr} e:(*" + v4t2 + ")(" + eAddr + "){a:(" + v4t3 + ")embedstr}}"
addFormatterTest("%v", v4, v4s)
addFormatterTest("%v", pv4, "<*>"+v4s)
addFormatterTest("%v", &pv4, "<**>"+v4s)
addFormatterTest("%+v", nv4, "<nil>")
addFormatterTest("%+v", v4, v4s2)
addFormatterTest("%+v", pv4, "<*>("+v4Addr+")"+v4s2)
addFormatterTest("%+v", &pv4, "<**>("+pv4Addr+"->"+v4Addr+")"+v4s2)
addFormatterTest("%+v", nv4, "<nil>")
addFormatterTest("%#v", v4, "("+v4t+")"+v4s3)
addFormatterTest("%#v", pv4, "(*"+v4t+")"+v4s3)
addFormatterTest("%#v", &pv4, "(**"+v4t+")"+v4s3)
addFormatterTest("%#v", nv4, "(*"+v4t+")"+"<nil>")
addFormatterTest("%#+v", v4, "("+v4t+")"+v4s4)
addFormatterTest("%#+v", pv4, "(*"+v4t+")("+v4Addr+")"+v4s4)
addFormatterTest("%#+v", &pv4, "(**"+v4t+")("+pv4Addr+"->"+v4Addr+")"+v4s4)
addFormatterTest("%#+v", nv4, "(*"+v4t+")"+"<nil>")
}
func addUintptrFormatterTests() {
// Null pointer.
v := uintptr(0)
nv := (*uintptr)(nil)
pv := &v
vAddr := fmt.Sprintf("%p", pv)
pvAddr := fmt.Sprintf("%p", &pv)
vt := "uintptr"
vs := "<nil>"
addFormatterTest("%v", v, vs)
addFormatterTest("%v", pv, "<*>"+vs)
addFormatterTest("%v", &pv, "<**>"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%+v", v, vs)
addFormatterTest("%+v", pv, "<*>("+vAddr+")"+vs)
addFormatterTest("%+v", &pv, "<**>("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%#v", v, "("+vt+")"+vs)
addFormatterTest("%#v", pv, "(*"+vt+")"+vs)
addFormatterTest("%#v", &pv, "(**"+vt+")"+vs)
addFormatterTest("%#v", nv, "(*"+vt+")"+"<nil>")
addFormatterTest("%#+v", v, "("+vt+")"+vs)
addFormatterTest("%#+v", pv, "(*"+vt+")("+vAddr+")"+vs)
addFormatterTest("%#+v", &pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%#+v", nv, "(*"+vt+")"+"<nil>")
// Address of real variable.
i := 1
v2 := uintptr(unsafe.Pointer(&i))
pv2 := &v2
v2Addr := fmt.Sprintf("%p", pv2)
pv2Addr := fmt.Sprintf("%p", &pv2)
v2t := "uintptr"
v2s := fmt.Sprintf("%p", &i)
addFormatterTest("%v", v2, v2s)
addFormatterTest("%v", pv2, "<*>"+v2s)
addFormatterTest("%v", &pv2, "<**>"+v2s)
addFormatterTest("%+v", v2, v2s)
addFormatterTest("%+v", pv2, "<*>("+v2Addr+")"+v2s)
addFormatterTest("%+v", &pv2, "<**>("+pv2Addr+"->"+v2Addr+")"+v2s)
addFormatterTest("%#v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#v", pv2, "(*"+v2t+")"+v2s)
addFormatterTest("%#v", &pv2, "(**"+v2t+")"+v2s)
addFormatterTest("%#+v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#+v", pv2, "(*"+v2t+")("+v2Addr+")"+v2s)
addFormatterTest("%#+v", &pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")"+v2s)
}
func addUnsafePointerFormatterTests() {
// Null pointer.
v := unsafe.Pointer(uintptr(0))
nv := (*unsafe.Pointer)(nil)
pv := &v
vAddr := fmt.Sprintf("%p", pv)
pvAddr := fmt.Sprintf("%p", &pv)
vt := "unsafe.Pointer"
vs := "<nil>"
addFormatterTest("%v", v, vs)
addFormatterTest("%v", pv, "<*>"+vs)
addFormatterTest("%v", &pv, "<**>"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%+v", v, vs)
addFormatterTest("%+v", pv, "<*>("+vAddr+")"+vs)
addFormatterTest("%+v", &pv, "<**>("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%#v", v, "("+vt+")"+vs)
addFormatterTest("%#v", pv, "(*"+vt+")"+vs)
addFormatterTest("%#v", &pv, "(**"+vt+")"+vs)
addFormatterTest("%#v", nv, "(*"+vt+")"+"<nil>")
addFormatterTest("%#+v", v, "("+vt+")"+vs)
addFormatterTest("%#+v", pv, "(*"+vt+")("+vAddr+")"+vs)
addFormatterTest("%#+v", &pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%#+v", nv, "(*"+vt+")"+"<nil>")
// 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)
addFormatterTest("%v", v2, v2s)
addFormatterTest("%v", pv2, "<*>"+v2s)
addFormatterTest("%v", &pv2, "<**>"+v2s)
addFormatterTest("%+v", v2, v2s)
addFormatterTest("%+v", pv2, "<*>("+v2Addr+")"+v2s)
addFormatterTest("%+v", &pv2, "<**>("+pv2Addr+"->"+v2Addr+")"+v2s)
addFormatterTest("%#v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#v", pv2, "(*"+v2t+")"+v2s)
addFormatterTest("%#v", &pv2, "(**"+v2t+")"+v2s)
addFormatterTest("%#+v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#+v", pv2, "(*"+v2t+")("+v2Addr+")"+v2s)
addFormatterTest("%#+v", &pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")"+v2s)
}
func addChanFormatterTests() {
// 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>"
addFormatterTest("%v", v, vs)
addFormatterTest("%v", pv, "<*>"+vs)
addFormatterTest("%v", &pv, "<**>"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%+v", v, vs)
addFormatterTest("%+v", pv, "<*>("+vAddr+")"+vs)
addFormatterTest("%+v", &pv, "<**>("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%#v", v, "("+vt+")"+vs)
addFormatterTest("%#v", pv, "(*"+vt+")"+vs)
addFormatterTest("%#v", &pv, "(**"+vt+")"+vs)
addFormatterTest("%#v", nv, "(*"+vt+")"+"<nil>")
addFormatterTest("%#+v", v, "("+vt+")"+vs)
addFormatterTest("%#+v", pv, "(*"+vt+")("+vAddr+")"+vs)
addFormatterTest("%#+v", &pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%#+v", nv, "(*"+vt+")"+"<nil>")
// 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)
addFormatterTest("%v", v2, v2s)
addFormatterTest("%v", pv2, "<*>"+v2s)
addFormatterTest("%v", &pv2, "<**>"+v2s)
addFormatterTest("%+v", v2, v2s)
addFormatterTest("%+v", pv2, "<*>("+v2Addr+")"+v2s)
addFormatterTest("%+v", &pv2, "<**>("+pv2Addr+"->"+v2Addr+")"+v2s)
addFormatterTest("%#v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#v", pv2, "(*"+v2t+")"+v2s)
addFormatterTest("%#v", &pv2, "(**"+v2t+")"+v2s)
addFormatterTest("%#+v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#+v", pv2, "(*"+v2t+")("+v2Addr+")"+v2s)
addFormatterTest("%#+v", &pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")"+v2s)
}
func addFuncFormatterTests() {
// Function with no params and no returns.
v := addIntFormatterTests
nv := (*func())(nil)
pv := &v
vAddr := fmt.Sprintf("%p", pv)
pvAddr := fmt.Sprintf("%p", &pv)
vt := "func()"
vs := fmt.Sprintf("%p", v)
addFormatterTest("%v", v, vs)
addFormatterTest("%v", pv, "<*>"+vs)
addFormatterTest("%v", &pv, "<**>"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%+v", v, vs)
addFormatterTest("%+v", pv, "<*>("+vAddr+")"+vs)
addFormatterTest("%+v", &pv, "<**>("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%#v", v, "("+vt+")"+vs)
addFormatterTest("%#v", pv, "(*"+vt+")"+vs)
addFormatterTest("%#v", &pv, "(**"+vt+")"+vs)
addFormatterTest("%#v", nv, "(*"+vt+")"+"<nil>")
addFormatterTest("%#+v", v, "("+vt+")"+vs)
addFormatterTest("%#+v", pv, "(*"+vt+")("+vAddr+")"+vs)
addFormatterTest("%#+v", &pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%#+v", nv, "(*"+vt+")"+"<nil>")
// Function with param and no returns.
v2 := TestFormatter
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)
addFormatterTest("%v", v2, v2s)
addFormatterTest("%v", pv2, "<*>"+v2s)
addFormatterTest("%v", &pv2, "<**>"+v2s)
addFormatterTest("%+v", nv2, "<nil>")
addFormatterTest("%+v", v2, v2s)
addFormatterTest("%+v", pv2, "<*>("+v2Addr+")"+v2s)
addFormatterTest("%+v", &pv2, "<**>("+pv2Addr+"->"+v2Addr+")"+v2s)
addFormatterTest("%+v", nv2, "<nil>")
addFormatterTest("%#v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#v", pv2, "(*"+v2t+")"+v2s)
addFormatterTest("%#v", &pv2, "(**"+v2t+")"+v2s)
addFormatterTest("%#v", nv2, "(*"+v2t+")"+"<nil>")
addFormatterTest("%#+v", v2, "("+v2t+")"+v2s)
addFormatterTest("%#+v", pv2, "(*"+v2t+")("+v2Addr+")"+v2s)
addFormatterTest("%#+v", &pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")"+v2s)
addFormatterTest("%#+v", nv2, "(*"+v2t+")"+"<nil>")
// 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)
addFormatterTest("%v", v3, v3s)
addFormatterTest("%v", pv3, "<*>"+v3s)
addFormatterTest("%v", &pv3, "<**>"+v3s)
addFormatterTest("%+v", nv3, "<nil>")
addFormatterTest("%+v", v3, v3s)
addFormatterTest("%+v", pv3, "<*>("+v3Addr+")"+v3s)
addFormatterTest("%+v", &pv3, "<**>("+pv3Addr+"->"+v3Addr+")"+v3s)
addFormatterTest("%+v", nv3, "<nil>")
addFormatterTest("%#v", v3, "("+v3t+")"+v3s)
addFormatterTest("%#v", pv3, "(*"+v3t+")"+v3s)
addFormatterTest("%#v", &pv3, "(**"+v3t+")"+v3s)
addFormatterTest("%#v", nv3, "(*"+v3t+")"+"<nil>")
addFormatterTest("%#+v", v3, "("+v3t+")"+v3s)
addFormatterTest("%#+v", pv3, "(*"+v3t+")("+v3Addr+")"+v3s)
addFormatterTest("%#+v", &pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")"+v3s)
addFormatterTest("%#+v", nv3, "(*"+v3t+")"+"<nil>")
}
func addCircularFormatterTests() {
// 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 := "{<*>{<*><shown>}}"
vs2 := "{<*><shown>}"
vs3 := "{c:<*>(" + vAddr + "){c:<*>(" + vAddr + ")<shown>}}"
vs4 := "{c:<*>(" + vAddr + ")<shown>}"
vs5 := "{c:(*" + vt + "){c:(*" + vt + ")<shown>}}"
vs6 := "{c:(*" + vt + ")<shown>}"
vs7 := "{c:(*" + vt + ")(" + vAddr + "){c:(*" + vt + ")(" + vAddr +
")<shown>}}"
vs8 := "{c:(*" + vt + ")(" + vAddr + ")<shown>}"
addFormatterTest("%v", v, vs)
addFormatterTest("%v", pv, "<*>"+vs2)
addFormatterTest("%v", &pv, "<**>"+vs2)
addFormatterTest("%+v", v, vs3)
addFormatterTest("%+v", pv, "<*>("+vAddr+")"+vs4)
addFormatterTest("%+v", &pv, "<**>("+pvAddr+"->"+vAddr+")"+vs4)
addFormatterTest("%#v", v, "("+vt+")"+vs5)
addFormatterTest("%#v", pv, "(*"+vt+")"+vs6)
addFormatterTest("%#v", &pv, "(**"+vt+")"+vs6)
addFormatterTest("%#+v", v, "("+vt+")"+vs7)
addFormatterTest("%#+v", pv, "(*"+vt+")("+vAddr+")"+vs8)
addFormatterTest("%#+v", &pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")"+vs8)
// 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 := "{<*>{<*>{<*><shown>}}}"
v2s2 := "{<*>{<*><shown>}}"
v2s3 := "{ps2:<*>(" + ts2Addr + "){ps1:<*>(" + v2Addr + "){ps2:<*>(" +
ts2Addr + ")<shown>}}}"
v2s4 := "{ps2:<*>(" + ts2Addr + "){ps1:<*>(" + v2Addr + ")<shown>}}"
v2s5 := "{ps2:(*" + v2t2 + "){ps1:(*" + v2t + "){ps2:(*" + v2t2 +
")<shown>}}}"
v2s6 := "{ps2:(*" + v2t2 + "){ps1:(*" + v2t + ")<shown>}}"
v2s7 := "{ps2:(*" + v2t2 + ")(" + ts2Addr + "){ps1:(*" + v2t +
")(" + v2Addr + "){ps2:(*" + v2t2 + ")(" + ts2Addr +
")<shown>}}}"
v2s8 := "{ps2:(*" + v2t2 + ")(" + ts2Addr + "){ps1:(*" + v2t +
")(" + v2Addr + ")<shown>}}"
addFormatterTest("%v", v2, v2s)
addFormatterTest("%v", pv2, "<*>"+v2s2)
addFormatterTest("%v", &pv2, "<**>"+v2s2)
addFormatterTest("%+v", v2, v2s3)
addFormatterTest("%+v", pv2, "<*>("+v2Addr+")"+v2s4)
addFormatterTest("%+v", &pv2, "<**>("+pv2Addr+"->"+v2Addr+")"+v2s4)
addFormatterTest("%#v", v2, "("+v2t+")"+v2s5)
addFormatterTest("%#v", pv2, "(*"+v2t+")"+v2s6)
addFormatterTest("%#v", &pv2, "(**"+v2t+")"+v2s6)
addFormatterTest("%#+v", v2, "("+v2t+")"+v2s7)
addFormatterTest("%#+v", pv2, "(*"+v2t+")("+v2Addr+")"+v2s8)
addFormatterTest("%#+v", &pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")"+v2s8)
// 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 := "{<*>{<*>{<*>{<*><shown>}}}}"
v3s2 := "{<*>{<*>{<*><shown>}}}"
v3s3 := "{ps2:<*>(" + tic2Addr + "){ps3:<*>(" + tic3Addr + "){ps1:<*>(" +
v3Addr + "){ps2:<*>(" + tic2Addr + ")<shown>}}}}"
v3s4 := "{ps2:<*>(" + tic2Addr + "){ps3:<*>(" + tic3Addr + "){ps1:<*>(" +
v3Addr + ")<shown>}}}"
v3s5 := "{ps2:(*" + v3t2 + "){ps3:(*" + v3t3 + "){ps1:(*" + v3t +
"){ps2:(*" + v3t2 + ")<shown>}}}}"
v3s6 := "{ps2:(*" + v3t2 + "){ps3:(*" + v3t3 + "){ps1:(*" + v3t +
")<shown>}}}"
v3s7 := "{ps2:(*" + v3t2 + ")(" + tic2Addr + "){ps3:(*" + v3t3 + ")(" +
tic3Addr + "){ps1:(*" + v3t + ")(" + v3Addr + "){ps2:(*" + v3t2 +
")(" + tic2Addr + ")<shown>}}}}"
v3s8 := "{ps2:(*" + v3t2 + ")(" + tic2Addr + "){ps3:(*" + v3t3 + ")(" +
tic3Addr + "){ps1:(*" + v3t + ")(" + v3Addr + ")<shown>}}}"
addFormatterTest("%v", v3, v3s)
addFormatterTest("%v", pv3, "<*>"+v3s2)
addFormatterTest("%v", &pv3, "<**>"+v3s2)
addFormatterTest("%+v", v3, v3s3)
addFormatterTest("%+v", pv3, "<*>("+v3Addr+")"+v3s4)
addFormatterTest("%+v", &pv3, "<**>("+pv3Addr+"->"+v3Addr+")"+v3s4)
addFormatterTest("%#v", v3, "("+v3t+")"+v3s5)
addFormatterTest("%#v", pv3, "(*"+v3t+")"+v3s6)
addFormatterTest("%#v", &pv3, "(**"+v3t+")"+v3s6)
addFormatterTest("%#+v", v3, "("+v3t+")"+v3s7)
addFormatterTest("%#+v", pv3, "(*"+v3t+")("+v3Addr+")"+v3s8)
addFormatterTest("%#+v", &pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")"+v3s8)
}
func addPanicFormatterTests() {
// 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"
addFormatterTest("%v", v, vs)
addFormatterTest("%v", pv, "<*>"+vs)
addFormatterTest("%v", &pv, "<**>"+vs)
addFormatterTest("%v", nv, "<nil>")
addFormatterTest("%+v", v, vs)
addFormatterTest("%+v", pv, "<*>("+vAddr+")"+vs)
addFormatterTest("%+v", &pv, "<**>("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%#v", v, "("+vt+")"+vs)
addFormatterTest("%#v", pv, "(*"+vt+")"+vs)
addFormatterTest("%#v", &pv, "(**"+vt+")"+vs)
addFormatterTest("%#v", nv, "(*"+vt+")"+"<nil>")
addFormatterTest("%#+v", v, "("+vt+")"+vs)
addFormatterTest("%#+v", pv, "(*"+vt+")("+vAddr+")"+vs)
addFormatterTest("%#+v", &pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%#+v", nv, "(*"+vt+")"+"<nil>")
}
func addErrorFormatterTests() {
// 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"
addFormatterTest("%v", v, vs)
addFormatterTest("%v", pv, "<*>"+vs)
addFormatterTest("%v", &pv, "<**>"+vs)
addFormatterTest("%v", nv, "<nil>")
addFormatterTest("%+v", v, vs)
addFormatterTest("%+v", pv, "<*>("+vAddr+")"+vs)
addFormatterTest("%+v", &pv, "<**>("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%+v", nv, "<nil>")
addFormatterTest("%#v", v, "("+vt+")"+vs)
addFormatterTest("%#v", pv, "(*"+vt+")"+vs)
addFormatterTest("%#v", &pv, "(**"+vt+")"+vs)
addFormatterTest("%#v", nv, "(*"+vt+")"+"<nil>")
addFormatterTest("%#+v", v, "("+vt+")"+vs)
addFormatterTest("%#+v", pv, "(*"+vt+")("+vAddr+")"+vs)
addFormatterTest("%#+v", &pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")"+vs)
addFormatterTest("%#+v", nv, "(*"+vt+")"+"<nil>")
}
func addPassthroughFormatterTests() {
// %x passthrough with uint.
v := uint(4294967295)
pv := &v
vAddr := fmt.Sprintf("%x", pv)
pvAddr := fmt.Sprintf("%x", &pv)
vs := "ffffffff"
addFormatterTest("%x", v, vs)
addFormatterTest("%x", pv, vAddr)
addFormatterTest("%x", &pv, pvAddr)
// %#x passthrough with uint.
v2 := int(2147483647)
pv2 := &v2
v2Addr := fmt.Sprintf("%#x", pv2)
pv2Addr := fmt.Sprintf("%#x", &pv2)
v2s := "0x7fffffff"
addFormatterTest("%#x", v2, v2s)
addFormatterTest("%#x", pv2, v2Addr)
addFormatterTest("%#x", &pv2, pv2Addr)
// %f passthrough with precision.
addFormatterTest("%.2f", 3.1415, "3.14")
addFormatterTest("%.3f", 3.1415, "3.142")
addFormatterTest("%.4f", 3.1415, "3.1415")
// %f passthrough with width and precision.
addFormatterTest("%5.2f", 3.1415, " 3.14")
addFormatterTest("%6.3f", 3.1415, " 3.142")
addFormatterTest("%7.4f", 3.1415, " 3.1415")
// %d passthrough with width.
addFormatterTest("%3d", 127, "127")
addFormatterTest("%4d", 127, " 127")
addFormatterTest("%5d", 127, " 127")
// %q passthrough with string.
addFormatterTest("%q", "test", "\"test\"")
}
// TestFormatter executes all of the tests described by formatterTests.
func TestFormatter(t *testing.T) {
// Setup tests.
addIntFormatterTests()
addUintFormatterTests()
addBoolFormatterTests()
addFloatFormatterTests()
addComplexFormatterTests()
addArrayFormatterTests()
addSliceFormatterTests()
addStringFormatterTests()
addInterfaceFormatterTests()
addMapFormatterTests()
addStructFormatterTests()
addUintptrFormatterTests()
addUnsafePointerFormatterTests()
addChanFormatterTests()
addFuncFormatterTests()
addCircularFormatterTests()
addPanicFormatterTests()
addErrorFormatterTests()
addPassthroughFormatterTests()
t.Logf("Running %d tests", len(formatterTests))
for i, test := range formatterTests {
buf := new(bytes.Buffer)
spew.Fprintf(buf, test.format, test.in)
s := buf.String()
if testFailed(s, test.wants) {
t.Errorf("Formatter #%d format: %s got: %s %s", i, test.format, s,
stringizeWants(test.wants))
continue
}
}
}
type testStruct struct {
x int
}
func (ts testStruct) String() string {
return fmt.Sprintf("ts.%d", ts.x)
}
type testStructP struct {
x int
}
func (ts *testStructP) String() string {
return fmt.Sprintf("ts.%d", ts.x)
}
func TestPrintSortedKeys(t *testing.T) {
cfg := spew.ConfigState{SortKeys: true}
s := cfg.Sprint(map[int]string{1: "1", 3: "3", 2: "2"})
expected := "map[1:1 2:2 3:3]"
if s != expected {
t.Errorf("Sorted keys mismatch 1:\n %v %v", s, expected)
}
s = cfg.Sprint(map[stringer]int{"1": 1, "3": 3, "2": 2})
expected = "map[stringer 1:1 stringer 2:2 stringer 3:3]"
if s != expected {
t.Errorf("Sorted keys mismatch 2:\n %v %v", s, expected)
}
s = cfg.Sprint(map[pstringer]int{pstringer("1"): 1, pstringer("3"): 3, pstringer("2"): 2})
expected = "map[stringer 1:1 stringer 2:2 stringer 3:3]"
if spew.UnsafeDisabled {
expected = "map[1:1 2:2 3:3]"
}
if s != expected {
t.Errorf("Sorted keys mismatch 3:\n %v %v", s, expected)
}
s = cfg.Sprint(map[testStruct]int{testStruct{1}: 1, testStruct{3}: 3, testStruct{2}: 2})
expected = "map[ts.1:1 ts.2:2 ts.3:3]"
if s != expected {
t.Errorf("Sorted keys mismatch 4:\n %v %v", s, expected)
}
if !spew.UnsafeDisabled {
s = cfg.Sprint(map[testStructP]int{testStructP{1}: 1, testStructP{3}: 3, testStructP{2}: 2})
expected = "map[ts.1:1 ts.2:2 ts.3:3]"
if s != expected {
t.Errorf("Sorted keys mismatch 5:\n %v %v", s, expected)
}
}
s = cfg.Sprint(map[customError]int{customError(1): 1, customError(3): 3, customError(2): 2})
expected = "map[error: 1:1 error: 2:2 error: 3:3]"
if s != expected {
t.Errorf("Sorted keys mismatch 6:\n %v %v", s, expected)
}
}