tests: add dsize option signature tests

Signed-off-by: jason taylor <jtfas90@gmail.com>

diff --git a/tests/test-dsize-values/README.md b/tests/test-dsize-values/README.md
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+# Description
+
+Test dsize keyword values against pcap.
+
+This test case has signatures with all the current possible
+dsize value options, all signatures should alert.
+
+# PCAP
+
+The pcap is a flowsynth generated pcap.

diff --git a/tests/test-dsize-values/input.pcap b/tests/test-dsize-values/input.pcap
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Binary files /dev/null and b/tests/test-dsize-values/input.pcap differ

diff --git a/tests/test-dsize-values/test.rules b/tests/test-dsize-values/test.rules
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+alert tcp any any -> any any (msg:"dsize exact size"; dsize:10; sid:1; rev:1;)
+
+alert tcp any any -> any any (msg:"dsize less than value"; dsize:<10; sid:2; rev:1;)
+
+alert tcp any any -> any any (msg:"dsize less than or equal value"; dsize:<=10; sid:3; rev:1;)
+
+alert tcp any any -> any any (msg:"dsize greater than value"; dsize:>8; sid:4; rev:1;)
+
+alert tcp any any -> any any (msg:"dsize greater than or equal value"; dsize:>=10; sid:5; rev:1;)
+
+alert tcp any any -> any any (msg:"dsize range value"; dsize:8<>20; sid:6; rev:1;)
+
+alert tcp any any -> any any (msg:"dsize not equal value"; dsize:!9; sid:7; rev:1;)

diff --git a/tests/test-dsize-values/test.yaml b/tests/test-dsize-values/test.yaml
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+args:
+- -k none
+
+requires:
+   min-version: 7.0.0
+
+checks:
+- filter:
+    count: 4
+    match:
+      alert.signature: dsize less than value
+- filter:
+    count: 5
+    match:
+      alert.signature: dsize less than or equal value
+- filter:
+    count: 1
+    match:
+      alert.signature: dsize exact size
+- filter:
+    count: 1
+    match:
+      alert.signature: dsize greater than value
+- filter:
+    count: 1
+    match:
+      alert.signature: dsize greater than or equal value
+- filter:
+    count: 1
+    match:
+      alert.signature: dsize range value
+- filter:
+    count: 1
+    match:
+      alert.signature: dsize not equal value