1 files changed, 51 insertions, 0 deletions
diff --git a/ethutil/natspec/natspec_test.go b/ethutil/natspec/natspec_test.go
new file mode 100644
index 000000000..48a9cb25c
--- /dev/null
+++ b/ethutil/natspec/natspec_test.go
@@ -0,0 +1,51 @@
+package natspec
+
+import (
+	"testing"
+)
+
+func TestNotice(t *testing.T) {
+
+	ns, err := NewNATSpec(`
+	{
+            "jsonrpc": "2.0",
+            "method": "eth_call",
+            "params": [{
+                "to": "0x8521742d3f456bd237e312d6e30724960f72517a",
+                "data": "0xc6888fa1000000000000000000000000000000000000000000000000000000000000007a"
+            }],
+            "id": 6
+        }
+	`)
+
+	if err != nil {
+		t.Errorf("NewNATSpec error %v", err)
+	}
+
+	ns.SetABI(`
+	[{
+            "name": "multiply",
+            "constant": false,
+            "type": "function",
+            "inputs": [{
+                "name": "a",
+                "type": "uint256"
+            }],
+            "outputs": [{
+                "name": "d",
+                "type": "uint256"
+            }]
+        }]
+	`)
+	ns.SetDescription("Will multiply `a` by 7 and return `a * 7`.")
+	ns.SetMethod("multiply")
+
+	notice := ns.Parse()
+
+	expected := "Will multiply 122 by 7 and return 854."
+	if notice != expected {
+		t.Errorf("incorrect notice. expected %v, got %v", expected, notice)
+	} else {
+		t.Logf("returned notice \"%v\"", notice)
+	}
+}