From c470ef88655408027d7ca01fa439daa582222b9d Mon Sep 17 00:00:00 2001
From: Didactic Drunk <1479616+didactic-drunk@users.noreply.github.com>
Date: Mon, 16 Sep 2019 01:51:54 -0700
Subject: [PATCH] Add Nonce spec.

---
 spec/sodium/nonce_spec.cr | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 spec/sodium/nonce_spec.cr

diff --git a/spec/sodium/nonce_spec.cr b/spec/sodium/nonce_spec.cr
new file mode 100644
index 0000000..1420beb
--- /dev/null
+++ b/spec/sodium/nonce_spec.cr
@@ -0,0 +1,31 @@
+require "../spec_helper"
+require "../../src/sodium/nonce"
+
+zero = Bytes.new(Sodium::Nonce::NONCE_SIZE)
+one = Bytes.new(Sodium::Nonce::NONCE_SIZE).dup
+one[0] = 1_u8
+
+describe Sodium::Nonce do
+  it "generates a random nonce" do
+    nonce = Sodium::Nonce.random
+    nonce.should_not eq zero
+  end
+
+  it "loads an existing nonce" do
+    nonce = Sodium::Nonce.new one
+    nonce.to_slice.should eq one
+  end
+
+  it "zero nonce with increment" do
+    nonce = Sodium::Nonce.zero
+    nonce.to_slice.should eq zero
+
+    nonce.used?.should be_false
+    nonce.used!
+    nonce.used?.should be_true
+
+    nonce.increment
+    nonce.to_slice.should eq one
+    nonce.used?.should be_false
+  end
+end