Resolved confliced and removed unnecessary codes

Author: xarus01

builtin/testfile

@@ -4,5 +4,3 @@ require (
 	github.com/gopherjs/gopherwasm v1.0.0 // indirect
 	github.com/peterh/liner v1.1.0
 )
-
-go 1.13

go.mod

@@ -93,6 +93,16 @@ func (a Bool) M__ne__(other Object) (Object, error) {
 	return True, nil
 }
 
+func notEq(eq Object, err error) (Object, error) {
+	if err != nil {
+		return nil, err
+	}
+	if eq == NotImplemented {
+		return eq, nil
+	}
+	return Not(eq)
+}
+
 // Check interface is satisfied
 var _ I__bool__ = Bool(false)
 var _ I__index__ = Bool(false)

py/bool.go

@@ -193,6 +193,9 @@ func (a StringDict) M__ne__(other Object) (Object, error) {
 	if err != nil {
 		return nil, err
 	}
+	if res == NotImplemented {
+		return res, nil
+	}
 	if res == True {
 		return False, nil
 	}

py/dict.go

@@ -236,6 +236,9 @@ func (a *Set) M__ne__(other Object) (Object, error) {
 	if err != nil {
 		return nil, err
 	}
+	if eq == NotImplemented {
+		return eq, nil
+	}
 	if eq == True {
 		return False, nil
 	}

py/set.go

@@ -151,6 +151,31 @@ func (r *Slice) GetIndices(length int) (start, stop, step, slicelength int, err
 	return
 }
 
+func (a *Slice) M__eq__(other Object) (Object, error) {
+	b, ok := other.(*Slice)
+	if !ok {
+		return NotImplemented, nil
+	}
+
+	if a.Start != b.Start {
+		return False, nil
+	}
+
+	if a.Stop != b.Stop {
+		return False, nil
+	}
+
+	if a.Step != b.Step {
+		return False, nil
+	}
+
+	return True, nil
+}
+
+func (a *Slice) M__ne__(other Object) (Object, error) {
+	return notEq(a.M__eq__(other))
+}
+
 func init() {
 	SliceType.Dict["start"] = &Property{
 		Fget: func(self Object) (Object, error) {

py/slice.go

@@ -41,4 +41,15 @@
 assert a.__contains__('hello')
 assert not a.__contains__('world')
 
+doc="__eq__, __ne__"
+a = {'a': 'b'}
+assert a.__eq__(3) != True
+assert a.__ne__(3) != False
+assert a.__ne__(3) != True
+assert a.__ne__(3) != False
+
+assert a.__ne__({}) == True
+assert a.__eq__({'a': 'b'}) == True
+assert a.__ne__({'a': 'b'}) == False
+
 doc="finished"

py/tests/dict.py

@@ -81,4 +81,15 @@
 assert 4 in c
 assert 5 in c
 
+doc="__eq__, __ne__"
+a = set([1,2,3])
+assert a.__eq__(3) != True
+assert a.__ne__(3) != False
+assert a.__ne__(3) != True
+assert a.__ne__(3) != False # This part should be changed in comparison with NotImplemented
+
+assert a.__ne__(set()) == True
+assert a.__eq__({1,2,3}) == True
+assert a.__ne__({1,2,3}) == False
+
 doc="finished"

py/tests/set.py

@@ -13,4 +13,15 @@
 assert a.stop == 10
 assert a.step == 1
 
+assert slice(1).__eq__(slice(1))
+assert slice(1) != slice(2)
+assert slice(1) == slice(None, 1, None)
+assert slice(0, 0, 0) == slice(0, 0, 0)
+
+assert slice(0, 0, 1) != slice(0, 0, 0)
+assert slice(0, 1, 0) != slice(0, 0, 0)
+assert slice(1, 0, 0) != slice(0, 0, 0)
+assert slice(0).__ne__(slice(1))
+assert slice(0, None, 3).__ne__(slice(0, 0, 3))
+
 doc="finished"