Encoding helpers with tests

encoding_test.go

@@ -0,0 +1,50 @@
+package main
+
+import (
+  "testing"
+  "fmt"
+)
+
+func TestCompactEncode(t *testing.T) {
+  test1 := []int{1,2,3,4,5}
+  if res := CompactEncode(test1); res != "\x11\x23\x45" {
+    t.Error(fmt.Sprintf("even compact encode failed. Got: %q", res))
+  }
+
+  test2 := []int{0, 1, 2, 3, 4, 5}
+  if res := CompactEncode(test2); res != "\x00\x01\x23\x45" {
+    t.Error(fmt.Sprintf("odd compact encode failed. Got: %q", res))
+  }
+
+  test3 := []int{0, 15, 1, 12, 11, 8, /*term*/16}
+  if res := CompactEncode(test3); res != "\x20\x0f\x1c\xb8" {
+    t.Error(fmt.Sprintf("odd terminated compact encode failed. Got: %q", res))
+  }
+
+  test4 := []int{15, 1, 12, 11, 8, /*term*/16}
+  if res := CompactEncode(test4); res != "\x3f\x1c\xb8" {
+    t.Error(fmt.Sprintf("even terminated compact encode failed. Got: %q", res))
+  }
+}
+
+// Helper function for comparing slices
+func CompareIntSlice(a, b []int) bool {
+  if len(a) != len(b) {
+    return false
+  }
+  for i, v := range a {
+    if v != b[i] {
+      return false
+    }
+  }
+  return true
+}
+
+func TestCompactHexDecode(t *testing.T) {
+  exp := []int{7, 6, 6, 5, 7, 2, 6, 2, 16}
+  res := CompactHexDecode("verb")
+
+  if !CompareIntSlice(res, exp) {
+    t.Error("Error compact hex decode. Expected", exp, "got", res)
+  }
+}