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diff --git a/devtools/client/debugger/test/mochitest/browser_dbg_promises-fulfillment-stack.js b/devtools/client/debugger/test/mochitest/browser_dbg_promises-fulfillment-stack.js
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+/* -*- 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 we can get a stack to a promise's fulfillment point.
+ */
+
+"use strict";
+
+const TAB_URL = EXAMPLE_URL + "doc_promise-get-fulfillment-stack.html";
+const { PromisesFront } = require("devtools/shared/fronts/promises");
+var events = require("sdk/event/core");
+
+const TEST_DATA = [
+ {
+ functionDisplayName: "returnPromise/<",
+ line: 19,
+ column: 37
+ },
+ {
+ functionDisplayName: "returnPromise",
+ line: 19,
+ column: 14
+ },
+ {
+ functionDisplayName: "makePromise",
+ line: 14,
+ column: 15
+ },
+];
+
+function test() {
+ Task.spawn(function* () {
+ DebuggerServer.init();
+ DebuggerServer.addBrowserActors();
+
+ let options = {
+ source: TAB_URL,
+ line: 1
+ };
+ const [ tab,, panel ] = yield initDebugger(TAB_URL, options);
+
+ let client = new DebuggerClient(DebuggerServer.connectPipe());
+ yield connect(client);
+
+ let { tabs } = yield listTabs(client);
+ let targetTab = findTab(tabs, TAB_URL);
+ yield attachTab(client, targetTab);
+
+ yield testGetFulfillmentStack(client, targetTab, tab);
+
+ yield close(client);
+ yield closeDebuggerAndFinish(panel);
+ }).then(null, error => {
+ ok(false, "Got an error: " + error.message + "\n" + error.stack);
+ });
+}
+
+function* testGetFulfillmentStack(client, form, tab) {
+ let front = PromisesFront(client, form);
+
+ yield front.attach();
+ yield front.listPromises();
+
+ // Get the grip for promise p
+ let onNewPromise = new Promise(resolve => {
+ events.on(front, "new-promises", promises => {
+ for (let p of promises) {
+ if (p.preview.ownProperties.name &&
+ p.preview.ownProperties.name.value === "p") {
+ resolve(p);
+ }
+ }
+ });
+ });
+
+ callInTab(tab, "makePromise");
+
+ let grip = yield onNewPromise;
+ ok(grip, "Found our promise p");
+
+ let objectClient = new ObjectClient(client, grip);
+ ok(objectClient, "Got Object Client");
+
+ yield new Promise(resolve => {
+ objectClient.getPromiseFulfillmentStack(response => {
+ ok(response.fulfillmentStack.length, "Got promise allocation stack.");
+
+ for (let i = 0; i < TEST_DATA.length; i++) {
+ let stack = response.fulfillmentStack[i];
+ let data = TEST_DATA[i];
+ is(stack.source.url, TAB_URL, "Got correct source URL.");
+ is(stack.functionDisplayName, data.functionDisplayName,
+ "Got correct function display name.");
+ is(stack.line, data.line, "Got correct stack line number.");
+ is(stack.column, data.column, "Got correct stack column number.");
+ }
+
+ resolve();
+ });
+ });
+
+ yield front.detach();
+}