import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

devtools/client/webconsole/test/browser_webconsole_assert.js

@@ -0,0 +1,56 @@
+/* -*- 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 console.assert() works as expected (i.e. outputs only on falsy
+// asserts). See bug 760193.
+
+"use strict";
+
+const TEST_URI = "http://example.com/browser/devtools/client/webconsole/" +
+                 "test/test-console-assert.html";
+
+add_task(function* () {
+  yield loadTab(TEST_URI);
+
+  let hud = yield openConsole();
+  yield consoleOpened(hud);
+});
+
+function consoleOpened(hud) {
+  hud.jsterm.execute("test()");
+
+  return waitForMessages({
+    webconsole: hud,
+    messages: [{
+      text: "undefined",
+      category: CATEGORY_OUTPUT,
+      severity: SEVERITY_LOG,
+    },
+    {
+      text: "start",
+      category: CATEGORY_WEBDEV,
+      severity: SEVERITY_LOG,
+    },
+    {
+      text: "false assert",
+      category: CATEGORY_WEBDEV,
+      severity: SEVERITY_ERROR,
+    },
+    {
+      text: "falsy assert",
+      category: CATEGORY_WEBDEV,
+      severity: SEVERITY_ERROR,
+    },
+    {
+      text: "end",
+      category: CATEGORY_WEBDEV,
+      severity: SEVERITY_LOG,
+    }],
+  }).then(() => {
+    let nodes = hud.outputNode.querySelectorAll(".message");
+    is(nodes.length, 6,
+       "only six messages are displayed, no output from the true assert");
+  });
+}