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path: root/devtools/client/shared/sourceeditor/test/browser_editor_movelines.js
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/* 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);
}