1 files changed, 36 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/stepping.js b/devtools/server/tests/xpcshell/stepping.js
new file mode 100644
index 0000000000..2134bea38d
--- /dev/null
+++ b/devtools/server/tests/xpcshell/stepping.js
@@ -0,0 +1,36 @@
+"use strict";
+/* exported global arithmetic composition chaining nested */
+
+const obj = { b };
+
+function a() {
+  return obj;
+}
+
+function b() {
+  return 2;
+}
+
+function arithmetic() {
+  debugger;
+  a() + b();
+}
+
+function composition() {
+  debugger;
+  b(a());
+}
+
+function chaining() {
+  debugger;
+  a().b();
+}
+
+function c() {
+  return b();
+}
+
+function nested() {
+  debugger;
+  c();
+}