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- //go:build !e2e_testing
- // +build !e2e_testing
- package overlay
- import "testing"
- var runAdvMSSTests = []struct {
- name string
- tun *tun
- r Route
- expected int
- }{
- // Standard case, default MTU is the device max MTU
- {"default", &tun{DefaultMTU: 1440, MaxMTU: 1440}, Route{}, 0},
- {"default-min", &tun{DefaultMTU: 1440, MaxMTU: 1440}, Route{MTU: 1440}, 0},
- {"default-low", &tun{DefaultMTU: 1440, MaxMTU: 1440}, Route{MTU: 1200}, 1160},
- // Case where we have a route MTU set higher than the default
- {"route", &tun{DefaultMTU: 1440, MaxMTU: 8941}, Route{}, 1400},
- {"route-min", &tun{DefaultMTU: 1440, MaxMTU: 8941}, Route{MTU: 1440}, 1400},
- {"route-high", &tun{DefaultMTU: 1440, MaxMTU: 8941}, Route{MTU: 8941}, 0},
- }
- func TestTunAdvMSS(t *testing.T) {
- for _, tt := range runAdvMSSTests {
- t.Run(tt.name, func(t *testing.T) {
- o := tt.tun.advMSS(tt.r)
- if o != tt.expected {
- t.Errorf("got %d, want %d", o, tt.expected)
- }
- })
- }
- }
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