Merge pull request #18 from bayashi/add-pointer-address-for-pointer

Add IsPointerType() in obj.go

obj/obj.go

@@ -101,6 +101,11 @@ func (o *Object) IsDumpableRawType() bool {
 	return false
 }
 
+// Return boolean whether the value is a pointer
+func (o *Object) IsPointerType() bool {
+	return o.value != nil && reflect.TypeOf(o.value).Kind() == reflect.Pointer
+}
+
 // format and truncate. For `fmt/print.go` Formatter interface
 func (o *Object) Format(s fmt.State, verb rune) {
 	switch verb {

obj/obj_test.go

@@ -2,6 +2,7 @@ package obj
 
 import (
 	"fmt"
+	"regexp"
 	"testing"
 )
 
@@ -54,6 +55,26 @@ func TestIsDumpableRawType(t *testing.T) {
 	}
 }
 
+func TestIsPointerType(t *testing.T) {
+	i := 123
+	if o := NewObject(&i); !o.IsPointerType() {
+		t.Error("IsPointerType() was wrong")
+	}
+	if o := NewObject(7); o.IsPointerType() {
+		t.Error("IsPointerType() was wrong")
+	}
+}
+
+func TestPointerValue(t *testing.T) {
+	i := 123
+	o := NewObject(&i)
+
+	expectRe := regexp.MustCompile(`\(\*int\)\([0-9a-fx]+\)`)
+	if expectRe.FindStringSubmatch(o.AsString()) == nil {
+		t.Errorf("Not matched the regexp `%s` for %q", expectRe.String(), o.AsString())
+	}
+}
+
 func TestDump(t *testing.T) {
 	o := NewObject(123)
 	if o.AsDumpString() != "(int) 123\n" {