1 files changed, 56 insertions, 0 deletions
diff --git a/browser/components/urlbar/tests/engagementTelemetry/browser/head-n_chars_n_words.js b/browser/components/urlbar/tests/engagementTelemetry/browser/head-n_chars_n_words.js
new file mode 100644
index 0000000000..6d4c61c7f0
--- /dev/null
+++ b/browser/components/urlbar/tests/engagementTelemetry/browser/head-n_chars_n_words.js
@@ -0,0 +1,56 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/* import-globals-from head.js */
+
+async function doNCharsTest({ trigger, assert }) {
+  for (const input of ["x", "xx", "xx x", "xx x "]) {
+    await doTest(async browser => {
+      await openPopup(input);
+
+      await trigger();
+      await assert(input.length);
+    });
+  }
+}
+
+async function doNCharsWithOverMaxTextLengthCharsTest({ trigger, assert }) {
+  await doTest(async browser => {
+    let input = "";
+    for (let i = 0; i < UrlbarUtils.MAX_TEXT_LENGTH * 2; i++) {
+      input += "x";
+    }
+    await openPopup(input);
+
+    await trigger();
+    await assert(UrlbarUtils.MAX_TEXT_LENGTH * 2);
+  });
+}
+
+async function doNWordsTest({ trigger, assert }) {
+  for (const input of ["x", "xx", "xx x", "xx x "]) {
+    await doTest(async browser => {
+      await openPopup(input);
+
+      await trigger();
+      const splits = input.trim().split(" ");
+      await assert(splits.length);
+    });
+  }
+}
+
+async function doNWordsWithOverMaxTextLengthCharsTest({ trigger, assert }) {
+  await doTest(async browser => {
+    const word = "1234 ";
+    let input = "";
+    while (input.length < UrlbarUtils.MAX_TEXT_LENGTH * 2) {
+      input += word;
+    }
+    await openPopup(input);
+
+    await trigger();
+    await assert(UrlbarUtils.MAX_TEXT_LENGTH / word.length);
+  });
+}