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-rw-r--r--libpod/network/network_test.go35
1 files changed, 35 insertions, 0 deletions
diff --git a/libpod/network/network_test.go b/libpod/network/network_test.go
new file mode 100644
index 000000000..1969e792c
--- /dev/null
+++ b/libpod/network/network_test.go
@@ -0,0 +1,35 @@
+package network
+
+import (
+ "net"
+ "testing"
+)
+
+func parseCIDR(n string) *net.IPNet {
+ _, parsedNet, _ := net.ParseCIDR(n)
+ return parsedNet
+}
+
+func Test_networkIntersect(t *testing.T) {
+ type args struct {
+ n1 *net.IPNet
+ n2 *net.IPNet
+ }
+ tests := []struct {
+ name string
+ args args
+ want bool
+ }{
+ {"16 and 24 intersects", args{n1: parseCIDR("192.168.0.0/16"), n2: parseCIDR("192.168.1.0/24")}, true},
+ {"24 and 25 intersects", args{n1: parseCIDR("192.168.1.0/24"), n2: parseCIDR("192.168.1.0/25")}, true},
+ {"Two 24s", args{n1: parseCIDR("192.168.1.0/24"), n2: parseCIDR("192.168.2.0/24")}, false},
+ }
+ for _, tt := range tests {
+ test := tt
+ t.Run(tt.name, func(t *testing.T) {
+ if got := networkIntersect(test.args.n1, test.args.n2); got != test.want {
+ t.Errorf("networkIntersect() = %v, want %v", got, test.want)
+ }
+ })
+ }
+}