From bd7ebaf490d265d9ba03cf99494873f080ce4cfc Mon Sep 17 00:00:00 2001
From: stakx <stakx@eml.cc>
Date: Sat, 17 Aug 2019 17:06:07 +0200
Subject: [PATCH] Uninvoke `SequenceSetup` on `mock.Invocations.Clear()` (#896)

* Add failing test: `mock.Invocations.Clear()` does not reset sequence setups
* Fix test by specializing `SequenceSetup.Uninvoke()`
---
 src/Moq/SequenceSetup.cs              |  5 +++++
 tests/Moq.Tests/InvocationsFixture.cs | 15 ++++++++++++++-
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/Moq/SequenceSetup.cs b/src/Moq/SequenceSetup.cs
index 78ec62c0d..559871f10 100644
--- a/src/Moq/SequenceSetup.cs
+++ b/src/Moq/SequenceSetup.cs
@@ -98,6 +98,11 @@ public override MockException TryVerifyAll()
 			return this.invoked ? null : MockException.UnmatchedSetup(this);
 		}
 
+		public override void Uninvoke()
+		{
+			this.invoked = false;
+		}
+
 		private readonly struct Response
 		{
 			private readonly ResponseKind kind;
diff --git a/tests/Moq.Tests/InvocationsFixture.cs b/tests/Moq.Tests/InvocationsFixture.cs
index 2739e5e45..094153131 100644
--- a/tests/Moq.Tests/InvocationsFixture.cs
+++ b/tests/Moq.Tests/InvocationsFixture.cs
@@ -130,7 +130,7 @@ public void Invocations_for_object_methods_on_interface_proxy_record_return_valu
 		}
 
 		[Fact]
-		public void Invocations_Clear_also_resets_setup_verification_state()
+		public void Invocations_Clear_also_resets_setup_verification_state_of_regular_setups()
 		{
 			var mock = new Mock<IComparable>();
 			mock.Setup(m => m.CompareTo(default));
@@ -142,6 +142,19 @@ public void Invocations_Clear_also_resets_setup_verification_state()
 			Assert.Equal(MockExceptionReasons.UnmatchedSetup, ex.Reasons);
 		}
 
+		[Fact]
+		public void Invocations_Clear_also_resets_setup_verification_state_of_sequence_setups()
+		{
+			var mock = new Mock<IComparable>();
+			mock.SetupSequence(m => m.CompareTo(default));
+			_ = mock.Object.CompareTo(default);
+			mock.VerifyAll();  // ensure setup has been matched
+
+			mock.Invocations.Clear();
+			var ex = Assert.Throws<MockException>(() => mock.VerifyAll());
+			Assert.Equal(MockExceptionReasons.UnmatchedSetup, ex.Reasons);
+		}
+
 		[Fact]
 		[Obsolete()]
 		public void Invocations_Clear_resets_count_kept_by_setup_AtMost()