1 files changed, 69 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/browser/browser_jsterm_editor_execute_selection.js b/devtools/client/webconsole/test/browser/browser_jsterm_editor_execute_selection.js
new file mode 100644
index 0000000000..8e46247f4a
--- /dev/null
+++ b/devtools/client/webconsole/test/browser/browser_jsterm_editor_execute_selection.js
@@ -0,0 +1,69 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Test that the user can execute only the code that is selected in the input, in editor
+// mode.
+// See https://bugzilla.mozilla.org/show_bug.cgi?id=1576563
+
+"use strict";
+
+const TEST_URI =
+  "data:text/html;charset=utf-8,<!DOCTYPE html>Web Console test for executing input selection";
+
+add_task(async function () {
+  await pushPref("devtools.webconsole.input.editor", true);
+  const hud = await openNewTabAndConsole(TEST_URI);
+
+  const expression = `x = "first assignment";x;
+    x = "second assignment";x;`;
+
+  info("Evaluate the whole expression");
+  setInputValue(hud, expression);
+
+  let onResultMessage = waitForMessageByType(
+    hud,
+    "second assignment",
+    ".result"
+  );
+  synthesizeKeyboardEvaluation();
+  await onResultMessage;
+  ok(true, "The whole expression is evaluated when there's no selection");
+
+  info("Select the first line and evaluate");
+  hud.ui.jsterm.editor.setSelection(
+    { line: 0, ch: 0 },
+    { line: 0, ch: expression.split("\n")[0].length }
+  );
+  onResultMessage = waitForMessageByType(hud, "first assignment", ".result");
+  synthesizeKeyboardEvaluation();
+  await onResultMessage;
+  ok(true, "Only the expression on the first line was evaluated");
+
+  info("Check that it also works when clicking on the Run button");
+  onResultMessage = waitForMessageByType(hud, "first assignment", ".result");
+  hud.ui.outputNode
+    .querySelector(".webconsole-editor-toolbar-executeButton")
+    .click();
+  await onResultMessage;
+  ok(
+    true,
+    "Only the expression on the first line was evaluated when clicking the Run button"
+  );
+
+  info("Check that this is disabled in inline mode");
+  await toggleLayout(hud);
+  hud.ui.jsterm.editor.setSelection(
+    { line: 0, ch: 0 },
+    { line: 0, ch: expression.split("\n")[0].length }
+  );
+  onResultMessage = waitForMessageByType(hud, "second assignment", ".result");
+  synthesizeKeyboardEvaluation();
+  await onResultMessage;
+  ok(true, "The whole expression was evaluated in inline mode");
+});
+
+function synthesizeKeyboardEvaluation() {
+  EventUtils.synthesizeKey("KEY_Enter", {
+    [Services.appinfo.OS === "Darwin" ? "metaKey" : "ctrlKey"]: true,
+  });
+}