Merge pull request #32 from arduino/listcompare

Added PathList.Equals method

Author: cmaglie

list.go

@@ -57,6 +57,20 @@ func (p *PathList) AsStrings() []string {
 	return res
 }
 
+// Equals returns true if the current PathList is equal to the
+// PathList passed as argument
+func (p *PathList) Equals(other PathList) bool {
+	if len(*p) != len(other) {
+		return false
+	}
+	for i, path := range *p {
+		if !path.EqualsTo(other[i]) {
+			return false
+		}
+	}
+	return true
+}
+
 // FilterDirs remove all entries except directories
 func (p *PathList) FilterDirs() {
 	res := (*p)[:0]

list_test.go

@@ -51,12 +51,15 @@ func TestListConstructors(t *testing.T) {
 	require.True(t, list3.ContainsEquivalentTo(New("d/../a")))
 
 	list4 := list3.Clone()
+	require.True(t, list3.Equals(list4))
 	require.Equal(t, "[a b c]", fmt.Sprintf("%s", list4))
 	list4.AddIfMissing(New("d"))
 	require.Equal(t, "[a b c d]", fmt.Sprintf("%s", list4))
 	list4.AddIfMissing(New("b"))
 	require.Equal(t, "[a b c d]", fmt.Sprintf("%s", list4))
 	list4.AddAllMissing(NewPathList("a", "e", "i", "o", "u"))
+	require.False(t, list3.Equals(list4))
+	require.False(t, list4.Equals(list3))
 	require.Equal(t, "[a b c d e i o u]", fmt.Sprintf("%s", list4))
 }