More tests for generic FIFObuffer.

door/fifobuffer_test.go

@@ -94,3 +94,17 @@ func TestFIFOInt(t *testing.T) {
 		t.Errorf("Buffer did not return expected value 30: %d", x)
 	}
 }
+
+func TestFIFOStr(t *testing.T) {
+	buffer := NewFIFOBuffer[string](2)
+	buffer.Push("Fish")
+	buffer.Push("Cat")
+	x := buffer.Pop()
+	if x != "Cat" {
+		t.Errorf("Expected Cat, got %s", x)
+	}
+	x = buffer.Pop()
+	if x != "Fish" {
+		t.Errorf("Expected Fish, got %s", x)
+	}
+}