Add m-esr52 at 52.6.0

1 files changed, 89 insertions, 0 deletions

diff --git a/devtools/client/webconsole/test/browser_webconsole_bug_585237_line_limit.js b/devtools/client/webconsole/test/browser_webconsole_bug_585237_line_limit.js
new file mode 100644
index 000000000..974557ec0
--- /dev/null
+++ b/devtools/client/webconsole/test/browser_webconsole_bug_585237_line_limit.js
@@ -0,0 +1,89 @@
+/* -*- 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/ */
+
+// Tests that the Web Console limits the number of lines displayed according to
+// the user's preferences.
+
+"use strict";
+
+const TEST_URI = "data:text/html;charset=utf8,test for bug 585237";
+
+var outputNode;
+
+add_task(function* () {
+  yield loadTab(TEST_URI);
+
+  let hud = yield openConsole();
+
+  outputNode = hud.outputNode;
+
+  hud.jsterm.clearOutput();
+
+  let prefBranch = Services.prefs.getBranch("devtools.hud.loglimit.");
+  prefBranch.setIntPref("console", 20);
+
+  for (let i = 0; i < 30; i++) {
+    yield ContentTask.spawn(gBrowser.selectedBrowser, i, function (i) {
+      // must change message to prevent repeats
+      content.console.log("foo #" + i);
+    });
+  }
+
+  yield waitForMessages({
+    webconsole: hud,
+    messages: [{
+      text: "foo #29",
+      category: CATEGORY_WEBDEV,
+      severity: SEVERITY_LOG,
+    }],
+  });
+
+  is(countMessageNodes(), 20, "there are 20 message nodes in the output " +
+     "when the log limit is set to 20");
+
+  yield ContentTask.spawn(gBrowser.selectedBrowser, {}, function () {
+    content.console.log("bar bug585237");
+  });
+
+  yield waitForMessages({
+    webconsole: hud,
+    messages: [{
+      text: "bar bug585237",
+      category: CATEGORY_WEBDEV,
+      severity: SEVERITY_LOG,
+    }],
+  });
+
+  is(countMessageNodes(), 20, "there are still 20 message nodes in the " +
+     "output when adding one more");
+
+  prefBranch.setIntPref("console", 30);
+  for (let i = 0; i < 20; i++) {
+    yield ContentTask.spawn(gBrowser.selectedBrowser, i, function (i) {
+      // must change message to prevent repeats
+      content.console.log("boo #" + i);
+    });
+  }
+
+  yield waitForMessages({
+    webconsole: hud,
+    messages: [{
+      text: "boo #19",
+      category: CATEGORY_WEBDEV,
+      severity: SEVERITY_LOG,
+    }],
+  });
+
+  is(countMessageNodes(), 30, "there are 30 message nodes in the output " +
+     "when the log limit is set to 30");
+
+  prefBranch.clearUserPref("console");
+
+  outputNode = null;
+});
+
+function countMessageNodes() {
+  return outputNode.querySelectorAll(".message").length;
+}