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-rw-r--r--tests/regression/ip/ip.t.payload21
1 files changed, 21 insertions, 0 deletions
diff --git a/tests/regression/ip/ip.t.payload b/tests/regression/ip/ip.t.payload
index 147923c2..da2dc218 100644
--- a/tests/regression/ip/ip.t.payload
+++ b/tests/regression/ip/ip.t.payload
@@ -363,3 +363,24 @@ ip test-ip input
[ payload load 1b @ network header + 9 => reg 10 ]
[ lookup reg 1 set set%d ]
+# ip version 4 ip hdrlength 5
+ip test-ip4 input
+ [ payload load 1b @ network header + 0 => reg 1 ]
+ [ bitwise reg 1 = (reg=1 & 0x000000f0 ) ^ 0x00000000 ]
+ [ cmp eq reg 1 0x00000040 ]
+ [ payload load 1b @ network header + 0 => reg 1 ]
+ [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
+ [ cmp eq reg 1 0x00000005 ]
+
+# ip hdrlength 0
+ip test-ip4 input
+ [ payload load 1b @ network header + 0 => reg 1 ]
+ [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
+ [ cmp eq reg 1 0x00000000 ]
+
+# ip hdrlength 15
+ip test-ip4 input
+ [ payload load 1b @ network header + 0 => reg 1 ]
+ [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
+ [ cmp eq reg 1 0x0000000f ]
+