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Fix potential null pointer exceptions in msg_test.go

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Added robustness and improved error handling in msg_test.go by adding null checks before calling values from the genHeader map in RequestMDNTo and related functions. This enhancement was necessary to avoid the operations on non-existing keys and potential null pointer exceptions.
This commit is contained in:
Winni Neessen 2023-11-29 17:46:30 +01:00
parent fb17547e69
commit ddcad3710d
Signed by: wneessen
GPG key ID: 5F3AF39B820C119D
1 changed files with 15 additions and 9 deletions
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24
msg_test.go
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@ -1135,9 +1135,11 @@ func TestMsg_RequestMDN(t *testing.T) {
if err := m.RequestMDNTo(v); err != nil { if err := m.RequestMDNTo(v); err != nil {
t.Errorf("RequestMDNTo with a single valid address failed: %s", err) t.Errorf("RequestMDNTo with a single valid address failed: %s", err)
} }
if m.genHeader[HeaderDispositionNotificationTo][0] != fmt.Sprintf("<%s>", v) { if val := m.genHeader[HeaderDispositionNotificationTo]; val != nil && len(val) > 1 {
t.Errorf("RequestMDNTo with a single valid address failed. Expected: %s, got: %s", v, if val[0] != fmt.Sprintf("<%s>", v) {
m.genHeader[HeaderDispositionNotificationTo][0]) t.Errorf("RequestMDNTo with a single valid address failed. Expected: %s, got: %s", v,
val[0])
}
} }
m.Reset() m.Reset()
@ -1145,13 +1147,17 @@ func TestMsg_RequestMDN(t *testing.T) {
if err := m.RequestMDNTo(vl...); err != nil { if err := m.RequestMDNTo(vl...); err != nil {
t.Errorf("RequestMDNTo with a multiple valid address failed: %s", err) t.Errorf("RequestMDNTo with a multiple valid address failed: %s", err)
} }
if m.genHeader[HeaderDispositionNotificationTo][0] != fmt.Sprintf("<%s>", v) { if val := m.genHeader[HeaderDispositionNotificationTo]; val != nil && len(val) > 0 {
t.Errorf("RequestMDNTo with a multiple valid addresses failed. Expected 0: %s, got 0: %s", v, if val[0] != fmt.Sprintf("<%s>", v) {
m.genHeader[HeaderDispositionNotificationTo][0]) t.Errorf("RequestMDNTo with a multiple valid addresses failed. Expected 0: %s, got 0: %s", v,
val[0])
}
} }
if m.genHeader[HeaderDispositionNotificationTo][1] != fmt.Sprintf("<%s>", v2) { if val := m.genHeader[HeaderDispositionNotificationTo]; val != nil && len(val) > 1 {
t.Errorf("RequestMDNTo with a multiple valid addresses failed. Expected 1: %s, got 1: %s", v2, if val[1] != fmt.Sprintf("<%s>", v2) {
m.genHeader[HeaderDispositionNotificationTo][1]) t.Errorf("RequestMDNTo with a multiple valid addresses failed. Expected 1: %s, got 1: %s", v2,
val[1])
}
} }
m.Reset() m.Reset()