diff --git a/spec/expectations/expectation_results_spec.cr b/spec/expectations/expectation_results_spec.cr
new file mode 100644
index 0000000..40d08a1
--- /dev/null
+++ b/spec/expectations/expectation_results_spec.cr
@@ -0,0 +1,133 @@
+require "../spec_helper"
+
+describe Spectator::Expectations::ExpectationResults do
+  describe "#each" do
+    it "yields all results" do
+      fail "Test not implemented"
+    end
+  end
+
+  describe "#successes" do
+    it "returns only successful results" do
+      fail "Test not implemented"
+    end
+
+    context "with all successful results" do
+      it "returns all results" do
+        fail "Test not implemented"
+      end
+    end
+
+    context "with all failure results" do
+      it "returns an empty collection" do
+        fail "Test not implemented"
+      end
+    end
+  end
+
+  describe "#each_success" do
+    it "yields only successful results" do
+      fail "Test not implemented"
+    end
+
+    context "with all successful results" do
+      it "yields all results" do
+        fail "Test not implemented"
+      end
+    end
+
+    context "with all failure results" do
+      it "yields nothing" do
+        fail "Test not implemented"
+      end
+    end
+  end
+
+  describe "#failures" do
+    it "returns only failed results" do
+      fail "Test not implemented"
+    end
+
+    context "with all successful results" do
+      it "returns an empty collection" do
+        fail "Test not implemented"
+      end
+    end
+
+    context "with all failure results" do
+      it "returns all results" do
+        fail "Test not implemented"
+      end
+    end
+  end
+
+  describe "#each_failure" do
+    it "yields only failed results" do
+      fail "Test not implemented"
+    end
+
+    context "with all successful results" do
+      it "yields nothing" do
+        fail "Test not implemented"
+      end
+    end
+
+    context "with one failure result" do
+      it "yields the one failed result" do
+        fail "Test not implemented"
+      end
+    end
+  end
+
+  describe "#successful?" do
+    context "with all successful results" do
+      it "is true" do
+        fail "Test not implemented"
+      end
+    end
+
+    context "with one failure result" do
+      it "is false" do
+        fail "Test not implemented"
+      end
+    end
+
+    context "with one successful result" do
+      it "is false" do
+        fail "Test not implemented"
+      end
+    end
+
+    context "with all failure results" do
+      it "is false" do
+        fail "Test not implemented"
+      end
+    end
+  end
+
+  describe "#failed?" do
+    context "with all successful results" do
+      it "is false" do
+        fail "Test not implemented"
+      end
+    end
+
+    context "with one failure result" do
+      it "is true" do
+        fail "Test not implemented"
+      end
+    end
+
+    context "with one successful result" do
+      it "is true" do
+        fail "Test not implemented"
+      end
+    end
+
+    context "with all failure results" do
+      it "is true" do
+        fail "Test not implemented"
+      end
+    end
+  end
+end