import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

addon-sdk/source/test/test-test-utils.js

@@ -0,0 +1,81 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+'use strict'
+
+const { setTimeout } = require('sdk/timers');
+const { waitUntil, cleanUI } = require('sdk/test/utils');
+const tabs = require('sdk/tabs');
+const fixtures = require("./fixtures");
+const testURI = fixtures.url("test.html");
+
+exports.testWaitUntil = function (assert, done) {
+  let bool = false;
+  let finished = false;
+  waitUntil(() => {
+    if (finished)
+      assert.fail('interval should be cleared after predicate is truthy');
+    return bool;
+  }).then(function () {
+    assert.ok(bool,
+      'waitUntil shouldn\'t call until predicate is truthy');
+    finished = true;
+    done();
+  });
+  setTimeout(() => { bool = true; }, 20);
+};
+
+exports.testWaitUntilInterval = function (assert, done) {
+  let bool = false;
+  let finished = false;
+  let counter = 0;
+  waitUntil(() => {
+    if (finished)
+      assert.fail('interval should be cleared after predicate is truthy');
+    counter++;
+    return bool;
+  }, 50).then(function () {
+    assert.ok(bool,
+      'waitUntil shouldn\'t call until predicate is truthy');
+    assert.equal(counter, 1,
+      'predicate should only be called once with a higher interval');
+    finished = true;
+    done();
+  });
+  setTimeout(() => { bool = true; }, 10);
+};
+
+exports.testCleanUIWithExtraTabAndWindow = function*(assert) {
+  let tab = yield new Promise(resolve => {
+    tabs.open({
+      url: testURI,
+      inNewWindow: true,
+      onReady: resolve
+    });
+  });
+
+  assert.equal(tabs.length, 2, 'there are two tabs open');
+
+  yield cleanUI()
+  assert.pass("the ui was cleaned");
+  assert.equal(tabs.length, 1, 'there is only one tab open');
+}
+
+exports.testCleanUIWithOnlyExtraTab = function*(assert) {
+  let tab = yield new Promise(resolve => {
+    tabs.open({
+      url: testURI,
+      inBackground: true,
+      onReady: resolve
+    });
+  });
+
+  assert.equal(tabs.length, 2, 'there are two tabs open');
+
+  yield cleanUI();
+  assert.pass("the ui was cleaned.");
+  assert.equal(tabs.length, 1, 'there is only one tab open');
+}
+
+require('sdk/test').run(exports);