1 files changed, 128 insertions, 0 deletions
diff --git a/spec/ruby/shared/basicobject/send.rb b/spec/ruby/shared/basicobject/send.rb
new file mode 100644
index 0000000000..625aaa2917
--- /dev/null
+++ b/spec/ruby/shared/basicobject/send.rb
@@ -0,0 +1,128 @@
+module SendSpecs
+end
+
+describe :basicobject_send, shared: true do
+  it "invokes the named method" do
+    class SendSpecs::Foo
+      def bar
+        'done'
+      end
+    end
+    SendSpecs::Foo.new.send(@method, :bar).should == 'done'
+  end
+
+  it "accepts a String method name" do
+    class SendSpecs::Foo
+      def bar
+        'done'
+      end
+    end
+    SendSpecs::Foo.new.send(@method, 'bar').should == 'done'
+  end
+
+  it "invokes a class method if called on a class" do
+    class SendSpecs::Foo
+      def self.bar
+        'done'
+      end
+    end
+    SendSpecs::Foo.send(@method, :bar).should == 'done'
+  end
+
+  it "raises a TypeError if the method name is not a string or symbol" do
+    -> { SendSpecs.send(@method, nil) }.should raise_error(TypeError, /not a symbol nor a string/)
+    -> { SendSpecs.send(@method, 42) }.should raise_error(TypeError, /not a symbol nor a string/)
+    -> { SendSpecs.send(@method, 3.14) }.should raise_error(TypeError, /not a symbol nor a string/)
+    -> { SendSpecs.send(@method, true) }.should raise_error(TypeError, /not a symbol nor a string/)
+  end
+
+  it "raises a NameError if the corresponding method can't be found" do
+    class SendSpecs::Foo
+      def bar
+        'done'
+      end
+    end
+    -> { SendSpecs::Foo.new.send(@method, :syegsywhwua) }.should raise_error(NameError)
+  end
+
+  it "raises a NameError if the corresponding singleton method can't be found" do
+    class SendSpecs::Foo
+      def self.bar
+        'done'
+      end
+    end
+    -> { SendSpecs::Foo.send(@method, :baz) }.should raise_error(NameError)
+  end
+
+  it "raises an ArgumentError if no arguments are given" do
+    class SendSpecs::Foo; end
+    -> { SendSpecs::Foo.new.send @method }.should raise_error(ArgumentError)
+  end
+
+  it "raises an ArgumentError if called with more arguments than available parameters" do
+    class SendSpecs::Foo
+      def bar; end
+    end
+
+    -> { SendSpecs::Foo.new.send(@method, :bar, :arg) }.should raise_error(ArgumentError)
+  end
+
+  it "raises an ArgumentError if called with fewer arguments than required parameters" do
+    class SendSpecs::Foo
+      def foo(arg); end
+    end
+
+    -> { SendSpecs::Foo.new.send(@method, :foo) }.should raise_error(ArgumentError)
+  end
+
+  it "succeeds if passed an arbitrary number of arguments as a splat parameter" do
+    class SendSpecs::Foo
+      def baz(*args) args end
+    end
+
+    begin
+      SendSpecs::Foo.new.send(@method, :baz).should == []
+      SendSpecs::Foo.new.send(@method, :baz, :quux).should == [:quux]
+      SendSpecs::Foo.new.send(@method, :baz, :quux, :foo).should == [:quux, :foo]
+    rescue
+      fail
+    end
+  end
+
+  it "succeeds when passing 1 or more arguments as a required and a splat parameter" do
+    class SendSpecs::Foo
+      def baz(first, *rest) [first, *rest] end
+    end
+
+    SendSpecs::Foo.new.send(@method, :baz, :quux).should == [:quux]
+    SendSpecs::Foo.new.send(@method, :baz, :quux, :foo).should == [:quux, :foo]
+  end
+
+  it "succeeds when passing 0 arguments to a method with one parameter with a default" do
+    class SendSpecs::Foo
+      def foo(first = true) first end
+    end
+
+    begin
+      SendSpecs::Foo.new.send(@method, :foo).should == true
+      SendSpecs::Foo.new.send(@method, :foo, :arg).should == :arg
+    rescue
+      fail
+    end
+  end
+
+  it "has a negative arity" do
+    method(@method).arity.should < 0
+  end
+
+  it "invokes module methods with super correctly" do
+    m1 = Module.new { def foo(ary); ary << :m1; end; }
+    m2 = Module.new { def foo(ary = []); super(ary); ary << :m2; end; }
+    c2 = Class.new do
+      include m1
+      include m2
+    end
+
+    c2.new.send(@method, :foo, *[[]]).should == %i[m1 m2]
+  end
+end