From 646632e3cb7cb4ef9ba2ad6d66d15da92929cbdc Mon Sep 17 00:00:00 2001
From: Sergio Hilgert <sergio.hilgert@redealumni.com>
Date: Fri, 15 Oct 2021 13:04:02 -0300
Subject: [PATCH 1/2] add specs to feature 9573

---
 language/module_spec.rb | 54 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)

diff --git a/language/module_spec.rb b/language/module_spec.rb
index 1a5fcaf46f..969bd9359f 100644
--- a/language/module_spec.rb
+++ b/language/module_spec.rb
@@ -99,3 +99,57 @@ module ModuleSpecs::Modules::Klass; end
     d.name.should == "ModuleSpecs_CS2::D"
   end
 end
+
+ruby_version_is "3.0" do
+  describe "Include" do
+    context "when the include in the module is done after the include in the class" do
+      it "includes the M1 and M2 module" do
+        class A; end
+        module B1; end
+        module C2; end
+
+        A.include B1
+        B1.include C2
+        A.ancestors.should == [A, B1, C2, Object, ModuleSpecs::IncludedInObject, PP::ObjectMixin, Kernel, BasicObject]
+      end
+    end
+
+    context "when the include in the module is done before the include in the class" do
+      it "includes the M1 and M2 module" do
+        class D; end
+        module E1; end
+        module F2; end
+
+        E1.include F2
+        D.include E1
+        D.ancestors.should == [D, E1, F2, Object, ModuleSpecs::IncludedInObject, PP::ObjectMixin, Kernel, BasicObject]
+      end
+    end
+  end
+
+  describe "Prepend" do
+    context "when the include in the module is done after the include in the class" do
+      it "includes the M1 and M2 module" do
+        class G; end
+        module H1; end
+        module I2; end
+
+        G.prepend H1
+        H1.prepend I2
+        G.ancestors.should == [I2, H1, G, Object, ModuleSpecs::IncludedInObject, PP::ObjectMixin, Kernel, BasicObject]
+      end
+    end
+
+    context "when the include in the module is done before the include in the class" do
+      it "includes the M1 and M2 module" do
+        class J; end
+        module K1; end
+        module L2; end
+
+        K1.prepend L2
+        J.prepend K1
+        J.ancestors.should == [L2, K1, J, Object, ModuleSpecs::IncludedInObject, PP::ObjectMixin, Kernel, BasicObject]
+      end
+    end
+  end
+end

From 8828653f98c01a47c451afb379d2f7a9e33f83d2 Mon Sep 17 00:00:00 2001
From: Sergio Hilgert <sergio.hilgert@redealumni.com>
Date: Fri, 15 Oct 2021 13:08:26 -0300
Subject: [PATCH 2/2] update specs grammar

---
 language/module_spec.rb | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/language/module_spec.rb b/language/module_spec.rb
index 969bd9359f..5c16ab31cc 100644
--- a/language/module_spec.rb
+++ b/language/module_spec.rb
@@ -128,8 +128,8 @@ module F2; end
   end
 
   describe "Prepend" do
-    context "when the include in the module is done after the include in the class" do
-      it "includes the M1 and M2 module" do
+    context "when the prepend in the module is done after the prepend in the class" do
+      it "prepends the M1 and M2 module" do
         class G; end
         module H1; end
         module I2; end
@@ -140,8 +140,8 @@ module I2; end
       end
     end
 
-    context "when the include in the module is done before the include in the class" do
-      it "includes the M1 and M2 module" do
+    context "when the prepend in the module is done before the prepend in the class" do
+      it "prepends the M1 and M2 module" do
         class J; end
         module K1; end
         module L2; end