diff --git a/src/pkg/gearman/gearman_test.go b/src/pkg/gearman/gearman_test.go
new file mode 100644
index 0000000..8a1da06
--- /dev/null
+++ b/src/pkg/gearman/gearman_test.go
@@ -0,0 +1,47 @@
+package gearman
+
+import (
+    "testing"
+)
+
+func TestByteToUint32(t * testing.T) {
+    if u := byteToUint32([4]byte{0, 0, 0, 0}); u != 0 {
+        t.Errorf("Number %t should be zero.", u)
+    }
+    if u := byteToUint32([4]byte{0xF, 0xF, 0xF, 0xF}); u != 252645135 {
+        t.Errorf("Number %t should be 252645135.", u)
+    }
+}
+
+func BenchmarkByteToUnit32(b * testing.B) {
+    for i := 0; i < b.N; i++ {
+        byteToUint32([4]byte{0xF, 0xF, 0xF, 0xF});
+    }
+}
+
+func TestUint32ToByte(t * testing.T) {
+    if b := uint32ToByte(0); len(b) != 4 {
+        t.Errorf("%t", b)
+    } else {
+        for i := 0; i < 4; i ++ {
+            if b[i] != 0 {
+                t.Errorf("%t", b[i])
+            }
+        }
+    }
+    if b := uint32ToByte(252645135); len(b) != 4 {
+        t.Errorf("%t", b)
+    } else {
+        for i := 0; i < 4; i++ {
+            if b[i] != 0xf {
+                t.Errorf("%t", b[i])
+            }
+        }
+    }
+}
+
+func BenchmarkUint32ToByte(b *testing.B) {
+    for i := 0; i < b.N; i++ {
+        uint32ToByte(123456);
+    }
+}