summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--spew/config.go9
-rw-r--r--spew/dump.go6
-rw-r--r--spew/spew_test.go11
3 files changed, 23 insertions, 3 deletions
diff --git a/spew/config.go b/spew/config.go
index 5552827..9db83c6 100644
--- a/spew/config.go
+++ b/spew/config.go
@@ -67,6 +67,15 @@ type ConfigState struct {
// Google App Engine or with the "safe" build tag specified.
DisablePointerMethods bool
+ // DisablePointerAddresses specifies whether to disable the printing of
+ // pointer addresses. This is useful when diffing data structures in tests.
+ DisablePointerAddresses bool
+
+ // DisableCapacities specifies whether to disable the printing of capacities
+ // for arrays, slices, maps and channels. This is useful when diffing
+ // data structures in tests.
+ DisableCapacities bool
+
// ContinueOnMethod specifies whether or not recursion should continue once
// a custom error or Stringer interface is invoked. The default, false,
// means it will print the results of invoking the custom error or Stringer
diff --git a/spew/dump.go b/spew/dump.go
index a0ff95e..95f9dbf 100644
--- a/spew/dump.go
+++ b/spew/dump.go
@@ -129,7 +129,7 @@ func (d *dumpState) dumpPtr(v reflect.Value) {
d.w.Write(closeParenBytes)
// Display pointer information.
- if len(pointerChain) > 0 {
+ if !d.cs.DisablePointerAddresses && len(pointerChain) > 0 {
d.w.Write(openParenBytes)
for i, addr := range pointerChain {
if i > 0 {
@@ -282,13 +282,13 @@ func (d *dumpState) dump(v reflect.Value) {
case reflect.Map, reflect.String:
valueLen = v.Len()
}
- if valueLen != 0 || valueCap != 0 {
+ if valueLen != 0 || !d.cs.DisableCapacities && valueCap != 0 {
d.w.Write(openParenBytes)
if valueLen != 0 {
d.w.Write(lenEqualsBytes)
printInt(d.w, int64(valueLen), 10)
}
- if valueCap != 0 {
+ if !d.cs.DisableCapacities && valueCap != 0 {
if valueLen != 0 {
d.w.Write(spaceBytes)
}
diff --git a/spew/spew_test.go b/spew/spew_test.go
index dbbc085..f1f6b71 100644
--- a/spew/spew_test.go
+++ b/spew/spew_test.go
@@ -130,12 +130,19 @@ func initSpewTests() {
scsNoPmethods := &spew.ConfigState{Indent: " ", DisablePointerMethods: true}
scsMaxDepth := &spew.ConfigState{Indent: " ", MaxDepth: 1}
scsContinue := &spew.ConfigState{Indent: " ", ContinueOnMethod: true}
+ scsNoPtrAddr := &spew.ConfigState{DisablePointerAddresses: true}
+ scsNoCap := &spew.ConfigState{DisableCapacities: true}
// Variables for tests on types which implement Stringer interface with and
// without a pointer receiver.
ts := stringer("test")
tps := pstringer("test")
+ type ptrTester struct {
+ s *struct{}
+ }
+ tptr := &ptrTester{s: &struct{}{}}
+
// depthTester is used to test max depth handling for structs, array, slices
// and maps.
type depthTester struct {
@@ -192,6 +199,10 @@ func initSpewTests() {
{scsContinue, fCSFprint, "", te, "(error: 10) 10"},
{scsContinue, fCSFdump, "", te, "(spew_test.customError) " +
"(error: 10) 10\n"},
+ {scsNoPtrAddr, fCSFprint, "", tptr, "<*>{<*>{}}"},
+ {scsNoPtrAddr, fCSSdump, "", tptr, "(*spew_test.ptrTester)({\ns: (*struct {})({\n})\n})\n"},
+ {scsNoCap, fCSSdump, "", make([]string, 0, 10), "([]string) {\n}\n"},
+ {scsNoCap, fCSSdump, "", make([]string, 1, 10), "([]string) (len=1) {\n(string) \"\"\n}\n"},
}
}