diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/Source-text-01.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/Source-text-01.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+/*
+ * Debugger.Source.prototype.text should return a string. Moreover, it
+ * should be the same string for each child script sharing that
+ * Debugger.Source.
+ */
+let g = newGlobal();
+let dbg = new Debugger(g);
+
+var count = 0;
+dbg.onNewScript = function (script) {
+    var text = script.source.text;
+    assertEq(typeof text, "string");
+    function traverse(script) {
+        ++count;
+        script.getChildScripts().forEach(function (script) {
+            assertEq(script.source.text, text);
+            traverse(script);
+        });
+    };
+    traverse(script);
+}
+
+g.eval("2 * 3");
+g.eval("function f() {}");
+g.eval("function f() { function g() {} }");
+assertEq(count, 6);