From 17b6cd5ed8452a0408370abbbb9ea856b11f4c1b Mon Sep 17 00:00:00 2001
From: "Sruthi Keerthi Rangavajhula (from Dev Box)"
 <srangavajhul@microsoft.com>
Date: Tue, 18 Jun 2024 23:04:26 -0700
Subject: [PATCH] Add signing key issuer validation test for V2 Authority
 validating V1 token

---
 .../AadSigningKeyIssuerValidatorTests.cs            | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/test/Microsoft.IdentityModel.Validators.Tests/AadSigningKeyIssuerValidatorTests.cs b/test/Microsoft.IdentityModel.Validators.Tests/AadSigningKeyIssuerValidatorTests.cs
index b979f7c49e..950d830a25 100644
--- a/test/Microsoft.IdentityModel.Validators.Tests/AadSigningKeyIssuerValidatorTests.cs
+++ b/test/Microsoft.IdentityModel.Validators.Tests/AadSigningKeyIssuerValidatorTests.cs
@@ -289,6 +289,19 @@ public static TheoryData<AadSigningKeyIssuerTheoryData> ValidateIssuerSigningKey
                     OpenIdConnectConfiguration = mockConfiguration
                 });
 
+                jwk = KeyingMaterial.JsonWebKeyP256;
+                jwk.AdditionalData.Add(OpenIdProviderMetadataNames.Issuer, ValidatorConstants.AadIssuerV2CommonAuthority);
+                mockConfiguration.JsonWebKeySet.Keys.Add(jwk);
+                mockConfiguration.Issuer = ValidatorConstants.AadIssuerV2CommonAuthority;
+                var jwtSecurityTokenV1Issuer = new JwtSecurityToken(issuer: ValidatorConstants.V1Issuer, claims: new[] { issClaim, tidClaim });
+                theoryData.Add(new AadSigningKeyIssuerTheoryData
+                {
+                    TestId = "HappyPath_V2AuthorityV1TokenIssuer_Matches_SigningKeyIssuer",
+                    SecurityKey = KeyingMaterial.JsonWebKeyP256,
+                    SecurityToken = jwtSecurityTokenV1Issuer,
+                    OpenIdConnectConfiguration = mockConfiguration
+                });
+
                 theoryData.Add(new AadSigningKeyIssuerTheoryData
                 {
                     TestId = "MissingTenantIdClaimInToken",