From c7fbc7e1237f0cc907070cd85167ac5728b0b518 Mon Sep 17 00:00:00 2001
From: StevenWdV <stevenwdv@gmail.com>
Date: Thu, 25 Nov 2021 15:18:20 +0100
Subject: Add/improve subspan testcases

---
 wrappers/csharp/Discovery.cs                     |  2 +-
 wrappers/csharp/EduVpnCommonTests/VerifyTests.cs | 15 ++++++++++++++-
 2 files changed, 15 insertions(+), 2 deletions(-)

(limited to 'wrappers/csharp')

diff --git a/wrappers/csharp/Discovery.cs b/wrappers/csharp/Discovery.cs
index 0d6fef1..1f3d1e8 100644
--- a/wrappers/csharp/Discovery.cs
+++ b/wrappers/csharp/Discovery.cs
@@ -17,7 +17,7 @@ namespace EduVpnCommon
 		/// <param name="signedJson">Signed .json file contents.</param>
 		/// <param name="expectedFileName">The file type to be verified, one of <c>server_list.json</c> or <c>organization_list.json</c>.</param>
 		/// <param name="minSignTime">Minimum time for signature. Should be set to at least the time in a previously retrieved file.</param>
-		/// <exception cref="ArgumentException">If <c>expectedFileName</c> is not one of the allowed valued.</exception>
+		/// <exception cref="ArgumentException">If <c>expectedFileName</c> is not one of the allowed values.</exception>
 		/// <exception cref="VerifyException">If signature verification fails.</exception>
 		public static void Verify(
 			ArraySegment<byte> signatureFileContent,
diff --git a/wrappers/csharp/EduVpnCommonTests/VerifyTests.cs b/wrappers/csharp/EduVpnCommonTests/VerifyTests.cs
index 933f2bc..41faf87 100644
--- a/wrappers/csharp/EduVpnCommonTests/VerifyTests.cs
+++ b/wrappers/csharp/EduVpnCommonTests/VerifyTests.cs
@@ -25,7 +25,20 @@ namespace EduVpnCommonTests
 				File.ReadAllBytes($"{testDataDir_}/{jsonFile}"),
 				expectedFileName,
 				DateTimeOffset.UnixEpoch);
-		
+
+		[Test]
+		[TestCase("dummy/server_list.json.minisig", "dummy/server_list.json", "server_list.json")]
+		public void TestValidSegment(string sigFile, string jsonFile, string expectedFileName)
+		{
+			var bytes = new byte[] { 1, 2, 3 }.Concat(File.ReadAllBytes($"{testDataDir_}/{jsonFile}"))
+				.Concat(new byte[] { 1, 2, 3 }).ToArray();
+			Discovery.Verify(
+				File.ReadAllBytes($"{testDataDir_}/{sigFile}"),
+				new(bytes, 3, bytes.Length - 3 - 3),
+				expectedFileName,
+				DateTimeOffset.UnixEpoch);
+		}
+
 		[Test]
 		[TestCase("dummy/random.txt", "dummy/server_list.json", "server_list.json")]
 		public void TestInvalidSignature(string sigFile, string jsonFile, string expectedFileName) =>
-- 
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