browser_editor_movelines.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

async function test() {

  waitForExplicitFinish();

  const { ed, win } = await setup();

  const simpleProg =

    "function foo() {\n  let i = 1;\n  let j = 2;\n  " + "return bar;\n}";

  ed.setText(simpleProg);

  // Move first line up

  ed.setCursor({ line: 0, ch: 0 });

  ed.moveLineUp();

  is(ed.getText(0), "function foo() {", "getText(num)");

  ch(ed.getCursor(), { line: 0, ch: 0 }, "getCursor");

  // Move last line down

  ed.setCursor({ line: 4, ch: 0 });

  ed.moveLineDown();

  is(ed.getText(4), "}", "getText(num)");

  ch(ed.getCursor(), { line: 4, ch: 0 }, "getCursor");

  // Move line 2 up

  ed.setCursor({ line: 1, ch: 5 });

  ed.moveLineUp();

  is(ed.getText(0), "  let i = 1;", "getText(num)");

  is(ed.getText(1), "function foo() {", "getText(num)");

  ch(ed.getCursor(), { line: 0, ch: 5 }, "getCursor");

  // Undo previous move by moving line 1 down

  ed.moveLineDown();

  is(ed.getText(0), "function foo() {", "getText(num)");

  is(ed.getText(1), "  let i = 1;", "getText(num)");

  ch(ed.getCursor(), { line: 1, ch: 5 }, "getCursor");

  // Move line 2 and 3 up

  ed.setSelection({ line: 1, ch: 0 }, { line: 2, ch: 0 });

  ed.moveLineUp();

  is(ed.getText(0), "  let i = 1;", "getText(num)");

  is(ed.getText(1), "  let j = 2;", "getText(num)");

  is(ed.getText(2), "function foo() {", "getText(num)");

  ch(ed.getCursor("start"), { line: 0, ch: 0 }, "getCursor(string)");

  ch(ed.getCursor("end"), { line: 1, ch: 0 }, "getCursor(string)");

  // Move line 1 to 3 down twice

  ed.dropSelection();

  ed.setSelection({ line: 0, ch: 7 }, { line: 2, ch: 5 });

  ed.moveLineDown();

  ed.moveLineDown();

  is(ed.getText(0), "  return bar;", "getText(num)");

  is(ed.getText(1), "}", "getText(num)");

  is(ed.getText(2), "  let i = 1;", "getText(num)");

  is(ed.getText(3), "  let j = 2;", "getText(num)");

  is(ed.getText(4), "function foo() {", "getText(num)");

  ch(ed.getCursor("start"), { line: 2, ch: 7 }, "getCursor(string)");

  ch(ed.getCursor("end"), { line: 4, ch: 5 }, "getCursor(string)");

  teardown(ed, win);