From a55bb02060a436eea43bc3b7170ee63e409324cb Mon Sep 17 00:00:00 2001
From: Sam Rawlins <srawlins@google.com>
Date: Thu, 8 Feb 2018 11:15:45 -0800
Subject: [PATCH 1/3] verify*Interactions methods throw helpfully that they
 expect Mock

---
 lib/src/mock.dart      | 4 ++++
 test/mockito_test.dart | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/lib/src/mock.dart b/lib/src/mock.dart
index 3d552ddd..67e80642 100644
--- a/lib/src/mock.dart
+++ b/lib/src/mock.dart
@@ -706,7 +706,10 @@ _InOrderVerification get verifyInOrder {
   };
 }
 
+void _throwMockArgumentError(method) => throw new ArgumentError('$method must only be given a Mock object');
+
 void verifyNoMoreInteractions(var mock) {
+  if (mock is! Mock) _throwMockArgumentError('verifyNoMoreInteractions');
   var unverified = mock._realCalls.where((inv) => !inv.verified).toList();
   if (unverified.isNotEmpty) {
     fail("No more calls expected, but following found: " + unverified.join());
@@ -714,6 +717,7 @@ void verifyNoMoreInteractions(var mock) {
 }
 
 void verifyZeroInteractions(var mock) {
+  if (mock is! Mock) _throwMockArgumentError('verifyZeroInteractions');
   if (mock._realCalls.isNotEmpty) {
     fail("No interaction expected, but following found: " +
         mock._realCalls.join());
diff --git a/test/mockito_test.dart b/test/mockito_test.dart
index 4cc31bad..7802ea29 100644
--- a/test/mockito_test.dart
+++ b/test/mockito_test.dart
@@ -936,6 +936,11 @@ void main() {
       verify(mock.methodWithoutArgs());
       verifyNoMoreInteractions(mock);
     });
+
+    test("throws if given a real object", () {
+      expect(
+          () => verifyNoMoreInteractions(new RealClass()), throwsArgumentError);
+    });
   });
 
   group("verifyInOrder()", () {

From 7cfba60dfbd1b73beb401e698308cb0425c74e64 Mon Sep 17 00:00:00 2001
From: Sam Rawlins <srawlins@google.com>
Date: Thu, 8 Feb 2018 11:27:28 -0800
Subject: [PATCH 2/3] fmt

---
 lib/src/mock.dart | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/src/mock.dart b/lib/src/mock.dart
index 67e80642..7c6d4b72 100644
--- a/lib/src/mock.dart
+++ b/lib/src/mock.dart
@@ -706,7 +706,8 @@ _InOrderVerification get verifyInOrder {
   };
 }
 
-void _throwMockArgumentError(method) => throw new ArgumentError('$method must only be given a Mock object');
+void _throwMockArgumentError(method) =>
+    throw new ArgumentError('$method must only be given a Mock object');
 
 void verifyNoMoreInteractions(var mock) {
   if (mock is! Mock) _throwMockArgumentError('verifyNoMoreInteractions');

From c0a88e338d1d839e4ca956bdbf4269d74a82bed5 Mon Sep 17 00:00:00 2001
From: Sam Rawlins <srawlins@google.com>
Date: Tue, 20 Feb 2018 17:04:43 -0800
Subject: [PATCH 3/3] Rearrange

---
 lib/src/mock.dart | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/lib/src/mock.dart b/lib/src/mock.dart
index 7c6d4b72..8b1393de 100644
--- a/lib/src/mock.dart
+++ b/lib/src/mock.dart
@@ -710,18 +710,24 @@ void _throwMockArgumentError(method) =>
     throw new ArgumentError('$method must only be given a Mock object');
 
 void verifyNoMoreInteractions(var mock) {
-  if (mock is! Mock) _throwMockArgumentError('verifyNoMoreInteractions');
-  var unverified = mock._realCalls.where((inv) => !inv.verified).toList();
-  if (unverified.isNotEmpty) {
-    fail("No more calls expected, but following found: " + unverified.join());
+  if (mock is Mock) {
+    var unverified = mock._realCalls.where((inv) => !inv.verified).toList();
+    if (unverified.isNotEmpty) {
+      fail("No more calls expected, but following found: " + unverified.join());
+    }
+  } else {
+    _throwMockArgumentError('verifyNoMoreInteractions');
   }
 }
 
 void verifyZeroInteractions(var mock) {
-  if (mock is! Mock) _throwMockArgumentError('verifyZeroInteractions');
-  if (mock._realCalls.isNotEmpty) {
-    fail("No interaction expected, but following found: " +
-        mock._realCalls.join());
+  if (mock is Mock) {
+    if (mock._realCalls.isNotEmpty) {
+      fail("No interaction expected, but following found: " +
+          mock._realCalls.join());
+    }
+  } else {
+    _throwMockArgumentError('verifyZeroInteractions');
   }
 }