General.Web/wwwroot/lib/codemirror-5.31.0/test/emacs_test.js

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(function() {
  "use strict";

  var Pos = CodeMirror.Pos;
  namespace = "emacs_";

  var eventCache = {};
  function fakeEvent(keyName) {
    var event = eventCache[key];
    if (event) return event;

    var ctrl, shift, alt;
    var key = keyName.replace(/\w+-/g, function(type) {
      if (type == "Ctrl-") ctrl = true;
      else if (type == "Alt-") alt = true;
      else if (type == "Shift-") shift = true;
      return "";
    });
    var code;
    for (var c in CodeMirror.keyNames)
      if (CodeMirror.keyNames[c] == key) { code = c; break; }
    if (code == null) throw new Error("Unknown key: " + key);

    return eventCache[keyName] = {
      type: "keydown", keyCode: code, ctrlKey: ctrl, shiftKey: shift, altKey: alt,
      preventDefault: function(){}, stopPropagation: function(){}
    };
  }

  function sim(name, start /*, actions... */) {
    var keys = Array.prototype.slice.call(arguments, 2);
    testCM(name, function(cm) {
      for (var i = 0; i < keys.length; ++i) {
        var cur = keys[i];
        if (cur instanceof Pos) cm.setCursor(cur);
        else if (cur.call) cur(cm);
        else cm.triggerOnKeyDown(fakeEvent(cur));
      }
    }, {keyMap: "emacs", value: start, mode: "javascript"});
  }

  function at(line, ch, sticky) { return function(cm) { eqCursorPos(cm.getCursor(), Pos(line, ch, sticky)); }; }
  function txt(str) { return function(cm) { eq(cm.getValue(), str); }; }

  sim("motionHSimple", "abc", "Ctrl-F", "Ctrl-F", "Ctrl-B", at(0, 1, "after"));
  sim("motionHMulti", "abcde",
      "Ctrl-4", "Ctrl-F", at(0, 4, "before"), "Ctrl--", "Ctrl-2", "Ctrl-F", at(0, 2, "after"),
      "Ctrl-5", "Ctrl-B", at(0, 0, "after"));

  sim("motionHWord", "abc. def ghi",
      "Alt-F", at(0, 3, "before"), "Alt-F", at(0, 8, "before"),
      "Ctrl-B", "Alt-B", at(0, 5, "after"), "Alt-B", at(0, 0, "after"));
  sim("motionHWordMulti", "abc. def ghi ",
      "Ctrl-3", "Alt-F", at(0, 12, "before"), "Ctrl-2", "Alt-B", at(0, 5, "after"),
      "Ctrl--", "Alt-B", at(0, 8, "before"));

  sim("motionVSimple", "a\nb\nc\n", "Ctrl-N", "Ctrl-N", "Ctrl-P", at(1, 0, "after"));
  sim("motionVMulti", "a\nb\nc\nd\ne\n",
      "Ctrl-2", "Ctrl-N", at(2, 0, "after"), "Ctrl-F", "Ctrl--", "Ctrl-N", at(1, 1, "before"),
      "Ctrl--", "Ctrl-3", "Ctrl-P", at(4, 1, "before"));