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diff --git a/devtools/client/debugger/test/mochitest/browser_dbg_variables-view-06.js b/devtools/client/debugger/test/mochitest/browser_dbg_variables-view-06.js
new file mode 100644
index 000000000..6d923eb02
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+++ b/devtools/client/debugger/test/mochitest/browser_dbg_variables-view-06.js
@@ -0,0 +1,125 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Test that Promises get their internal state added as psuedo properties.
+ */
+
+const TAB_URL = EXAMPLE_URL + "doc_promise.html";
+
+var test = Task.async(function* () {
+  let options = {
+    source: TAB_URL,
+    line: 1
+  };
+  const [tab,, panel] = yield initDebugger(TAB_URL, options);
+
+  const scopes = waitForCaretAndScopes(panel, 21);
+  callInTab(tab, "doPause");
+  yield scopes;
+
+  const variables = panel.panelWin.DebuggerView.Variables;
+  ok(variables, "Should get the variables view.");
+
+  const scope = [...variables][0];
+  ok(scope, "Should get the current function's scope.");
+
+  const promiseVariables = [...scope].filter(([name]) =>
+    ["p", "f", "r"].indexOf(name) !== -1);
+
+  is(promiseVariables.length, 3,
+     "Should have our 3 promise variables: p, f, r");
+
+  for (let [name, item] of promiseVariables) {
+    info("Expanding variable '" + name + "'");
+    let expanded = once(variables, "fetched");
+    item.expand();
+    yield expanded;
+
+    let foundState = false;
+    switch (name) {
+      case "p":
+        for (let [property, { value }] of item) {
+          if (property !== "<state>") {
+            isnot(property, "<value>",
+                  "A pending promise shouldn't have a value");
+            isnot(property, "<reason>",
+                  "A pending promise shouldn't have a reason");
+            continue;
+          }
+
+          foundState = true;
+          is(value, "pending", "The state should be pending.");
+        }
+        ok(foundState, "We should have found the <state> property.");
+        break;
+
+      case "f":
+        let foundValue = false;
+        for (let [property, value] of item) {
+          if (property === "<state>") {
+            foundState = true;
+            is(value.value, "fulfilled", "The state should be fulfilled.");
+          } else if (property === "<value>") {
+            foundValue = true;
+
+            let expanded = once(variables, "fetched");
+            value.expand();
+            yield expanded;
+
+            let expectedProps = new Map([["a", 1], ["b", 2], ["c", 3]]);
+            for (let [prop, val] of value) {
+              if (prop === "__proto__") {
+                continue;
+              }
+              ok(expectedProps.has(prop), "The property should be expected.");
+              is(val.value, expectedProps.get(prop), "The property value should be correct.");
+              expectedProps.delete(prop);
+            }
+            is(Object.keys(expectedProps).length, 0,
+               "Should have found all of the expected properties.");
+          } else {
+            isnot(property, "<reason>",
+                  "A fulfilled promise shouldn't have a reason");
+          }
+        }
+        ok(foundState, "We should have found the <state> property.");
+        ok(foundValue, "We should have found the <value> property.");
+        break;
+
+      case "r":
+        let foundReason = false;
+        for (let [property, value] of item) {
+          if (property === "<state>") {
+            foundState = true;
+            is(value.value, "rejected", "The state should be rejected.");
+          } else if (property === "<reason>") {
+            foundReason = true;
+
+            let expanded = once(variables, "fetched");
+            value.expand();
+            yield expanded;
+
+            let foundMessage = false;
+            for (let [prop, val] of value) {
+              if (prop !== "message") {
+                continue;
+              }
+              foundMessage = true;
+              is(val.value, "uh oh", "Should have the correct error message.");
+            }
+            ok(foundMessage, "Should have found the error's message");
+          } else {
+            isnot(property, "<value>",
+                  "A rejected promise shouldn't have a value");
+          }
+        }
+        ok(foundState, "We should have found the <state> property.");
+        break;
+    }
+  }
+
+  resumeDebuggerThenCloseAndFinish(panel);
+});