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-rw-r--r--ber/int_test.go32
1 files changed, 32 insertions, 0 deletions
diff --git a/ber/int_test.go b/ber/int_test.go
new file mode 100644
index 0000000..f0bd182
--- /dev/null
+++ b/ber/int_test.go
@@ -0,0 +1,32 @@
+package ber
+
+import (
+ "testing"
+ "bytes"
+)
+
+func test(t *testing.T, i int, b []byte) {
+ a := marshalInt(i)
+ if !bytes.Equal(a, b) {
+ t.Error("BER", i, "expected", b, "got", a)
+ }
+
+ n := unmarshalInt(b)
+ if n != i {
+ t.Error("UnBER", b, "expected", i, "got", n)
+ }
+
+}
+
+func TestInt(t *testing.T) {
+ test(t, 0, []byte{0x00})
+ test(t, 127, []byte{0x7F})
+ test(t, 128, []byte{0x00, 0x80})
+ test(t, 256, []byte{0x01, 0x00})
+ test(t, -128, []byte{0x80})
+ test(t, -129, []byte{0xFF, 0x7F})
+
+ test(t, 8388607, []byte{0x7f, 0xFF, 0xFF})
+ test(t, -136, []byte{0xFF, 0x78})
+ test(t, -8388607, []byte{0x80, 0x00, 0x01})
+}