1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/Promise/dependent-promises.js b/js/src/tests/ecma_6/Promise/dependent-promises.js
new file mode 100644
index 000000000..36e11a5f6
--- /dev/null
+++ b/js/src/tests/ecma_6/Promise/dependent-promises.js
@@ -0,0 +1,41 @@
+// |reftest| skip-if(!xulRuntime.shell) -- needs Debugger
+
+if (!this.Promise) {
+    this.reportCompare && reportCompare(true,true);
+    quit(0);
+}
+
+var g = newGlobal();
+var dbg = new Debugger(g);
+var gw = dbg.addDebuggee(g);
+
+g.eval(`
+var p = new Promise(() => {});
+p.name = "p";
+var q = p.then();
+q.name = "q";
+var r = p.then(null, () => {});
+r.name = "r";
+var s = Promise.all([p, q]);
+s.name = "s";
+var t = Promise.race([r, s]);
+t.name = "t";
+`);
+
+function getDependentNames(promise) {
+    return gw.makeDebuggeeValue(promise).promiseDependentPromises.map((p) => p.getOwnPropertyDescriptor('name').value);
+}
+
+function arraysEqual(arr1, arr2, msg) {
+    assertEq(arr1.length, arr2.length, msg + ": length");
+    for (var i = 0; i < arr1.length; ++i) {
+        assertEq(arr1[i], arr2[i], msg + ": [" + i + "]");
+    }
+}
+
+arraysEqual(getDependentNames(g.p), ["q", "r", "s"], "deps for p");
+arraysEqual(getDependentNames(g.q), ["s"], "deps for q");
+arraysEqual(getDependentNames(g.r), ["t"], "deps for r");
+arraysEqual(getDependentNames(g.s), ["t"], "deps for s");
+
+this.reportCompare && reportCompare(true,true);