import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

toolkit/components/formautofill/test/xpcshell/test_infrastructure.js

@@ -0,0 +1,48 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/*
+ * Tests the local testing infrastructure.
+ */
+
+"use strict";
+
+/**
+ * Tests the truth assertion function.
+ */
+add_task(function* test_assert_truth() {
+  Assert.ok(1 != 2);
+});
+
+/**
+ * Tests the equality assertion function.
+ */
+add_task(function* test_assert_equality() {
+  Assert.equal(1 + 1, 2);
+});
+
+/**
+ * Uses some of the utility functions provided by the framework.
+ */
+add_task(function* test_utility_functions() {
+  // The "print" function is useful to log information that is not known before.
+  let randomString = "R" + Math.floor(Math.random() * 10);
+  Output.print("The random contents will be '" + randomString + "'.");
+
+  // Create the text file with the random contents.
+  let path = yield TestUtils.getTempFile("test-infrastructure.txt");
+  yield OS.File.writeAtomic(path, new TextEncoder().encode(randomString));
+
+  // Test a few utility functions.
+  yield TestUtils.waitForTick();
+  yield TestUtils.waitMs(50);
+
+  let promiseMyNotification = TestUtils.waitForNotification("my-topic");
+  Services.obs.notifyObservers(null, "my-topic", "");
+  yield promiseMyNotification;
+
+  // Check the file size.  The file will be deleted automatically later.
+  Assert.equal((yield OS.File.stat(path)).size, randomString.length);
+});
+
+add_task(terminationTaskFn);