diff --git a/spec/core_functions/content-exists/basic.hrx b/spec/core_functions/content-exists/basic/basic.hrx
similarity index 100%
rename from spec/core_functions/content-exists/basic.hrx
rename to spec/core_functions/content-exists/basic/basic.hrx
diff --git a/spec/core_functions/content-exists/error.hrx b/spec/core_functions/content-exists/basic/error.hrx
similarity index 100%
rename from spec/core_functions/content-exists/error.hrx
rename to spec/core_functions/content-exists/basic/error.hrx
diff --git a/spec/core_functions/content-exists/controls/controls.hrx b/spec/core_functions/content-exists/controls/controls.hrx
new file mode 100644
index 0000000000..d08225f06a
--- /dev/null
+++ b/spec/core_functions/content-exists/controls/controls.hrx
@@ -0,0 +1,28 @@
+<===> input.scss
+@mixin test-content-exists() {
+  @if content-exists() {
+    @content;
+  }
+  @else {
+    content-exists: false;
+  }
+}
+
+.should-be-true {
+  @include test-content-exists() {
+    content-exists: true;
+  }
+}
+
+.should-be-false {
+  @include test-content-exists();
+}
+
+<===> output.css
+.should-be-true {
+  content-exists: true;
+}
+
+.should-be-false {
+  content-exists: false;
+}