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go-spew
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Dump non-zero len and cap for applicable types. 

Closes #16.
This commit is contained in:
Josh Rickmar 2014-05-05 22:09:56 -05:00
parent 9ed19f9b0c
commit ab46504215
6 changed files with 192 additions and 98 deletions
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2
spew/common.go
View File

@ -142,6 +142,8 @@ var (
closeAngleBytes = []byte(">")
openMapBytes = []byte("map[")
closeMapBytes = []byte("]")
lenEqualsBytes = []byte("len=")
capEqualsBytes = []byte("cap=")
)
// hexDigits is used to map a decimal value to a hex digit.

6
spew/doc.go
View File

@ -128,14 +128,14 @@ shown here.
flag: (main.Flag) flagTwo,
data: (uintptr) <nil>
}),
ExportedField: (map[interface {}]interface {}) {
(string) "one": (bool) true
ExportedField: (map[interface {}]interface {}) (len=1) {
(string) (len=3) "one": (bool) true
}
}
Byte (and uint8) arrays and slices are displayed uniquely like the hexdump -C
command as shown.
([]uint8) {
([]uint8) (len=32 cap=32) {
00000000 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 |............... |
00000010 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f 30 |!"#$%&'()*+,-./0|
00000020 31 32 |12|

26
spew/dump.go
View File

@ -270,6 +270,32 @@ func (d *dumpState) dump(v reflect.Value) {
}
d.ignoreNextType = false
// Display length and capacity if the built-in len and cap functions
// work with the value's kind and the len/cap itself is non-zero.
valueLen, valueCap := 0, 0
switch v.Kind() {
case reflect.Array, reflect.Slice, reflect.Chan:
valueLen, valueCap = v.Len(), v.Cap()
case reflect.Map, reflect.String:
valueLen = v.Len()
}
if valueLen != 0 || valueCap != 0 {
d.w.Write(openParenBytes)
if valueLen != 0 {
d.w.Write(lenEqualsBytes)
printInt(d.w, int64(valueLen), 10)
}
if valueCap != 0 {
if valueLen != 0 {
d.w.Write(spaceBytes)
}
d.w.Write(capEqualsBytes)
printInt(d.w, int64(valueCap), 10)
}
d.w.Write(closeParenBytes)
d.w.Write(spaceBytes)
}
// Call Stringer/error interfaces if they exist and the handle methods flag
// is enabled
if !d.cs.DisableMethods {

230
spew/dump_test.go
View File

@ -304,33 +304,50 @@ func addComplexDumpTests() {
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 := "{\n (" + vt + ") 1,\n (" + vt + ") 2,\n (" + vt + ") 3\n}"
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.
v2 := [3]pstringer{"1", "2", "3"}
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"
v2s := "{\n (" + v2t + ") stringer 1,\n (" + v2t + ") stringer 2,\n (" +
v2t + ") stringer 3\n}"
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, "([3]"+v2t+") "+v2s+"\n")
addDumpTest(pv2, "(*[3]"+v2t+")("+v2Addr+")("+v2s+")\n")
addDumpTest(&pv2, "(**[3]"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
addDumpTest(nv2, "(*[3]"+v2t+")(<nil>)\n")
// Array containing interfaces.
v3 := [3]interface{}{"one", int(2), uint(3)}
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)
@ -339,8 +356,9 @@ func addArrayDumpTests() {
v3t2 := "string"
v3t3 := "int"
v3t4 := "uint"
v3s := "{\n (" + v3t2 + ") \"one\",\n (" + v3t3 + ") 2,\n (" + v3t4 +
") 3\n}"
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")
@ -354,12 +372,15 @@ func addArrayDumpTests() {
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 := "{\n 00000000 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20" +
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" +
@ -374,33 +395,50 @@ func addArrayDumpTests() {
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 := "{\n (" + vt + ") 3.14,\n (" + vt + ") 6.28,\n (" + vt + ") 12.56\n}"
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.
v2 := []pstringer{"1", "2", "3"}
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 := "{\n (" + v2t + ") stringer 1,\n (" + v2t + ") stringer 2,\n (" +
v2t + ") stringer 3\n}"
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.
v3 := []interface{}{"one", int(2), uint(3), nil}
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)
@ -410,8 +448,9 @@ func addSliceDumpTests() {
v3t3 := "int"
v3t4 := "uint"
v3t5 := "interface {}"
v3s := "{\n (" + v3t2 + ") \"one\",\n (" + v3t3 + ") 2,\n (" + v3t4 +
") 3,\n (" + v3t5 + ") <nil>\n}"
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")
@ -425,12 +464,15 @@ func addSliceDumpTests() {
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 := "{\n 00000000 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20" +
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" +
@ -458,12 +500,13 @@ func addSliceDumpTests() {
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 := "\"test\""
vs := "(len=" + vLen + ") \"test\""
addDumpTest(v, "("+vt+") "+vs+"\n")
addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
@ -498,69 +541,90 @@ func addInterfaceDumpTests() {
func addMapDumpTests() {
// Map with string keys and int vals.
v := map[string]int{"one": 1, "two": 2}
nv := (*map[string]int)(nil)
pv := &v
vAddr := fmt.Sprintf("%p", pv)
pvAddr := fmt.Sprintf("%p", &pv)
vt := "map[string]int"
vt1 := "string"
vt2 := "int"
vs := "{\n (" + vt1 + ") \"one\": (" + vt2 + ") 1,\n (" + vt1 +
") \"two\": (" + vt2 + ") 2\n}"
vs2 := "{\n (" + vt1 + ") \"two\": (" + vt2 + ") 2,\n (" + vt1 +
") \"one\": (" + vt2 + ") 1\n}"
addDumpTest(v, "("+vt+") "+vs+"\n", "("+vt+") "+vs2+"\n")
addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n",
"(*"+vt+")("+vAddr+")("+vs2+")\n")
addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n",
"(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs2+")\n")
addDumpTest(nv, "(*"+vt+")(<nil>)\n")
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))
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")
// 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"
v2t1 := "spew_test.pstringer"
v2t2 := "spew_test.pstringer"
v2s := "{\n (" + v2t1 + ") stringer one: (" + v2t2 + ") stringer 1\n}"
addDumpTest(v2, "("+v2t+") "+v2s+"\n")
addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
addDumpTest(nv2, "(*"+v2t+")(<nil>)\n")
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))
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}"
addDumpTest(m2, "("+m2t+") "+m2s+"\n")
addDumpTest(pm2, "(*"+m2t+")("+m2Addr+")("+m2s+")\n")
addDumpTest(&pm2, "(**"+m2t+")("+pm2Addr+"->"+m2Addr+")("+m2s+")\n")
addDumpTest(nm2, "(*"+m2t+")(<nil>)\n")
// 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 := "{\n (" + v3t1 + ") \"one\": (" + v3t2 + ") 1\n}"
addDumpTest(v3, "("+v3t+") "+v3s+"\n")
addDumpTest(pv3, "(*"+v3t+")("+v3Addr+")("+v3s+")\n")
addDumpTest(&pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")("+v3s+")\n")
addDumpTest(nv3, "(*"+v3t+")(<nil>)\n")
k3 := "one"
k3Len := fmt.Sprintf("%d", len(k3))
m3 := map[interface{}]interface{}{k3: 1}
m3Len := fmt.Sprintf("%d", len(m3))
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")
// 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 := "string"
v4t2 := "interface {}"
v4s := "{\n (" + v4t1 + ") \"nil\": (" + v4t2 + ") <nil>\n}"
addDumpTest(v4, "("+v4t+") "+v4s+"\n")
addDumpTest(pv4, "(*"+v4t+")("+v4Addr+")("+v4s+")\n")
addDumpTest(&pv4, "(**"+v4t+")("+pv4Addr+"->"+v4Addr+")("+v4s+")\n")
addDumpTest(nv4, "(*"+v4t+")(<nil>)\n")
k4 := "nil"
k4Len := fmt.Sprintf("%d", len(k4))
m4 := map[string]interface{}{k4: nil}
m4Len := fmt.Sprintf("%d", len(m4))
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")
}
func addStructDumpTests() {
@ -618,8 +682,8 @@ func addStructDumpTests() {
pv3Addr := fmt.Sprintf("%p", &pv3)
v3t := "spew_test.s3"
v3t2 := "spew_test.pstringer"
v3s := "{\n s: (" + v3t2 + ") stringer test,\n S: (" + v3t2 +
") stringer test2\n}"
v3s := "{\n s: (" + v3t2 + ") (len=4) stringer test,\n S: (" + v3t2 +
") (len=5) stringer test2\n}"
addDumpTest(v3, "("+v3t+") "+v3s+"\n")
addDumpTest(pv3, "(*"+v3t+")("+v3Addr+")("+v3s+")\n")
addDumpTest(&pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")("+v3s+")\n")
@ -627,6 +691,7 @@ func addStructDumpTests() {
// 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
@ -637,8 +702,9 @@ func addStructDumpTests() {
v4t2 := "spew_test.embed"
v4t3 := "string"
v4s := "{\n embed: (*" + v4t2 + ")(" + eAddr + ")({\n a: (" + v4t3 +
") \"embedstr\"\n }),\n e: (*" + v4t2 + ")(" + eAddr + ")({\n" +
" a: (" + v4t3 + ") \"embedstr\"\n })\n}"
") (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")
@ -900,10 +966,10 @@ func TestDump(t *testing.T) {
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) {
(int) 1: (string) "1",
(int) 2: (string) "2",
(int) 3: (string) "3"
expected := `(map[int]string) (len=3) {
(int) 1: (string) (len=1) "1",
(int) 2: (string) (len=1) "2",
(int) 3: (string) (len=1) "3"
}
`
if s != expected {

18
spew/example_test.go
View File

@ -105,12 +105,12 @@ func ExampleDump() {
// flag: (spew_test.Flag) flagTwo,
// data: (uintptr) <nil>
// },
// ExportedField: (map[interface {}]interface {}) {
// (string) "one": (bool) true
// ExportedField: (map[interface {}]interface {}) (len=1) {
// (string) (len=3) "one": (bool) true
// }
// }
// (spew_test.Flag) Unknown flag (5)
// ([]uint8) {
// ([]uint8) (len=34 cap=34) {
// 00000000 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 |............... |
// 00000010 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f 30 |!"#$%&'()*+,-./0|
// 00000020 31 32 |12|
@ -156,8 +156,8 @@ func ExampleConfigState() {
// Output:
// v: map[one:1]
// (map[string]int) {
// (string) "one": (int) 1
// (map[string]int) (len=1) {
// (string) (len=3) "one": (int) 1
// }
}
@ -185,8 +185,8 @@ func ExampleConfigState_Dump() {
// flag: (spew_test.Flag) flagTwo,
// data: (uintptr) <nil>
// },
// ExportedField: (map[interface {}]interface {}) {
// (string) "one": (bool) true
// ExportedField: (map[interface {}]interface {}) (len=1) {
// (string) (len=3) "one": (bool) true
// }
// }
// (spew_test.Foo) {
@ -194,8 +194,8 @@ func ExampleConfigState_Dump() {
// flag: (spew_test.Flag) flagTwo,
// data: (uintptr) <nil>
// },
// ExportedField: (map[interface {}]interface {}) {
// (string) "one": (bool) true
// ExportedField: (map[interface {}]interface {}) (len=1) {
// (string) (len=3) "one": (bool) true
// }
// }
//

8
spew/spew_test.go
View File

@ -182,12 +182,12 @@ func initSpewTests() {
{scsMaxDepth, fCSFprint, "", dt, "{{<max>} [<max>] [<max>] map[<max>]}"},
{scsMaxDepth, fCSFdump, "", dt, "(spew_test.depthTester) {\n" +
" ic: (spew_test.indirCir1) {\n <max depth reached>\n },\n" +
" arr: ([1]string) {\n <max depth reached>\n },\n" +
" slice: ([]string) {\n <max depth reached>\n },\n" +
" m: (map[string]int) {\n <max depth reached>\n }\n}\n"},
" arr: ([1]string) (len=1 cap=1) {\n <max depth reached>\n },\n" +
" slice: ([]string) (len=1 cap=1) {\n <max depth reached>\n },\n" +
" m: (map[string]int) (len=1) {\n <max depth reached>\n }\n}\n"},
{scsContinue, fCSFprint, "", ts, "(stringer test) test"},
{scsContinue, fCSFdump, "", ts, "(spew_test.stringer) " +
"(stringer test) \"test\"\n"},
"(len=4) (stringer test) \"test\"\n"},
{scsContinue, fCSFprint, "", te, "(error: 10) 10"},
{scsContinue, fCSFdump, "", te, "(spew_test.customError) " +
"(error: 10) 10\n"},