1 files changed, 114 insertions, 0 deletions
diff --git a/src/replay_test.go b/src/replay_test.go
new file mode 100644
index 0000000..e75c5c1
--- /dev/null
+++ b/src/replay_test.go
@@ -0,0 +1,114 @@
+package main
+
+import (
+	"testing"
+)
+
+/* Ported from the linux kernel implementation
+ *
+ *
+ */
+
+/* Copyright (C) 2015-2017 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. */
+
+func TestReplay(t *testing.T) {
+	var filter ReplayFilter
+
+	T_LIM := CounterWindowSize + 1
+
+	testNumber := 0
+	T := func(n uint64, v bool) {
+		testNumber++
+		if filter.ValidateCounter(n) != v {
+			t.Fatal("Test", testNumber, "failed", n, v)
+		}
+	}
+
+	filter.Init()
+
+	/*  1 */ T(0, true)
+	/*  2 */ T(1, true)
+	/*  3 */ T(1, false)
+	/*  4 */ T(9, true)
+	/*  5 */ T(8, true)
+	/*  6 */ T(7, true)
+	/*  7 */ T(7, false)
+	/*  8 */ T(T_LIM, true)
+	/*  9 */ T(T_LIM-1, true)
+	/* 10 */ T(T_LIM-1, false)
+	/* 11 */ T(T_LIM-2, true)
+	/* 12 */ T(2, true)
+	/* 13 */ T(2, false)
+	/* 14 */ T(T_LIM+16, true)
+	/* 15 */ T(3, false)
+	/* 16 */ T(T_LIM+16, false)
+	/* 17 */ T(T_LIM*4, true)
+	/* 18 */ T(T_LIM*4-(T_LIM-1), true)
+	/* 19 */ T(10, false)
+	/* 20 */ T(T_LIM*4-T_LIM, false)
+	/* 21 */ T(T_LIM*4-(T_LIM+1), false)
+	/* 22 */ T(T_LIM*4-(T_LIM-2), true)
+	/* 23 */ T(T_LIM*4+1-T_LIM, false)
+	/* 24 */ T(0, false)
+	/* 25 */ T(RejectAfterMessages, false)
+	/* 26 */ T(RejectAfterMessages-1, true)
+	/* 27 */ T(RejectAfterMessages, false)
+	/* 28 */ T(RejectAfterMessages-1, false)
+	/* 29 */ T(RejectAfterMessages-2, true)
+	/* 30 */ T(RejectAfterMessages+1, false)
+	/* 31 */ T(RejectAfterMessages+2, false)
+	/* 32 */ T(RejectAfterMessages-2, false)
+	/* 33 */ T(RejectAfterMessages-3, true)
+	/* 34 */ T(0, false)
+
+	t.Log("Bulk test 1")
+	filter.Init()
+	testNumber = 0
+	for i := uint64(1); i <= CounterWindowSize; i++ {
+		T(i, true)
+	}
+	T(0, true)
+	T(0, false)
+
+	t.Log("Bulk test 2")
+	filter.Init()
+	testNumber = 0
+	for i := uint64(2); i <= CounterWindowSize+1; i++ {
+		T(i, true)
+	}
+	T(1, true)
+	T(0, false)
+
+	t.Log("Bulk test 3")
+	filter.Init()
+	testNumber = 0
+	for i := CounterWindowSize + 1; i > 0; i-- {
+		T(i, true)
+	}
+
+	t.Log("Bulk test 4")
+	filter.Init()
+	testNumber = 0
+	for i := CounterWindowSize + 2; i > 1; i-- {
+		T(i, true)
+	}
+	T(0, false)
+
+	t.Log("Bulk test 5")
+	filter.Init()
+	testNumber = 0
+	for i := CounterWindowSize; i > 0; i-- {
+		T(i, true)
+	}
+	T(CounterWindowSize+1, true)
+	T(0, false)
+
+	t.Log("Bulk test 6")
+	filter.Init()
+	testNumber = 0
+	for i := CounterWindowSize; i > 0; i-- {
+		T(i, true)
+	}
+	T(0, true)
+	T(CounterWindowSize+1, true)
+}