1 files changed, 37 insertions, 0 deletions
diff --git a/toolkit/components/viewsource/test/browser/browser_gotoline.js b/toolkit/components/viewsource/test/browser/browser_gotoline.js
new file mode 100644
index 0000000000..000b2c6876
--- /dev/null
+++ b/toolkit/components/viewsource/test/browser/browser_gotoline.js
@@ -0,0 +1,37 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+var content = "line 1\nline 2\nline 3";
+
+add_task(async function () {
+  // First test with text with the text/html mimetype.
+  let tab = await openDocument("data:text/html," + encodeURIComponent(content));
+  await checkViewSource(tab);
+  gBrowser.removeTab(tab);
+
+  tab = await openDocument("data:text/plain," + encodeURIComponent(content));
+  await checkViewSource(tab);
+  gBrowser.removeTab(tab);
+});
+
+var checkViewSource = async function (aTab) {
+  let browser = aTab.linkedBrowser;
+  await SpecialPowers.spawn(browser, [content], async function (text) {
+    is(content.document.body.textContent, text, "Correct content loaded");
+  });
+
+  for (let i = 1; i <= 3; i++) {
+    browser.sendMessageToActor(
+      "ViewSource:GoToLine",
+      {
+        lineNumber: i,
+      },
+      "ViewSourcePage"
+    );
+    await SpecialPowers.spawn(browser, [i], async function (i) {
+      let selection = content.getSelection();
+      Assert.equal(selection.toString(), "line " + i, "Correct text selected");
+    });
+  }
+};