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fix tun_linux_test.go & a nit

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Jay Wren
2025-10-23 16:16:40 -04:00
parent 433c531ae4
commit 0a94f9f990
2 changed files with 13 additions and 12 deletions
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23
overlay/tun_linux_test.go
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@@ -6,26 +6,27 @@ package overlay
import "testing"
var runAdvMSSTests = []struct {
name string
tun *tun
r Route
expected int
name string
defaultMTU int
maxMTU int
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},
{"default", 1440, 1440, Route{}, 0},
{"default-min", 1440, 1440, Route{MTU: 1440}, 0},
{"default-low", 1440, 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},
{"route", 1440, 8941, Route{}, 1400},
{"route-min", 1440, 8941, Route{MTU: 1440}, 1400},
{"route-high", 1440, 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)
o := advMSS(tt.r, tt.defaultMTU, tt.maxMTU)
if o != tt.expected {
t.Errorf("got %d, want %d", o, tt.expected)
}