CoCalc -- doc

GitHub Repository: malwaredllc/byob
Path: blob/master/web-gui/buildyourownbotnet/assets/js/codemirror/test/doc_test.js
¹²⁹³ views
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(function() {
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  // A minilanguage for instantiating linked CodeMirror instances and Docs
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  function instantiateSpec(spec, place, opts) {
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    var names = {}, pos = 0, l = spec.length, editors = [];
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    while (spec) {
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      var m = spec.match(/^(\w+)(\*?)(?:='([^\']*)'|<(~?)(\w+)(?:\/(\d+)-(\d+))?)\s*/);
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      var name = m[1], isDoc = m[2], cur;
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      if (m[3]) {
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        cur = isDoc ? CodeMirror.Doc(m[3]) : CodeMirror(place, clone(opts, {value: m[3]}));
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      } else {
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        var other = m[5];
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        if (!names.hasOwnProperty(other)) {
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          names[other] = editors.length;
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          editors.push(CodeMirror(place, opts));
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        }
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        var doc = editors[names[other]].linkedDoc({
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          sharedHist: !m[4],
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          from: m[6] ? Number(m[6]) : null,
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          to: m[7] ? Number(m[7]) : null
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        });
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        cur = isDoc ? doc : CodeMirror(place, clone(opts, {value: doc}));
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      }
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      names[name] = editors.length;
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      editors.push(cur);
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      spec = spec.slice(m[0].length);
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    }
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    return editors;
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  }
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  function clone(obj, props) {
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    if (!obj) return;
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    clone.prototype = obj;
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    var inst = new clone();
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    if (props) for (var n in props) if (props.hasOwnProperty(n))
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      inst[n] = props[n];
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    return inst;
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  }
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  function eqAll(val) {
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    var end = arguments.length, msg = null;
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    if (typeof arguments[end-1] == "string")
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      msg = arguments[--end];
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    if (i == end) throw new Error("No editors provided to eqAll");
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    for (var i = 1; i < end; ++i)
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      eq(arguments[i].getValue(), val, msg)
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  }
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  function testDoc(name, spec, run, opts, expectFail) {
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    if (!opts) opts = {};
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    return test("doc_" + name, function() {
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      var place = document.getElementById("testground");
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      var editors = instantiateSpec(spec, place, opts);
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      var successful = false;
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      try {
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        run.apply(null, editors);
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        successful = true;
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      } finally {
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        if (!successful || verbose) {
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          place.style.visibility = "visible";
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        } else {
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          for (var i = 0; i < editors.length; ++i)
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            if (editors[i] instanceof CodeMirror)
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              place.removeChild(editors[i].getWrapperElement());
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        }
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      }
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    }, expectFail);
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  }
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  var ie_lt8 = /MSIE [1-7]\b/.test(navigator.userAgent);
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  function testBasic(a, b) {
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    eqAll("x", a, b);
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    a.setValue("hey");
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    eqAll("hey", a, b);
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    b.setValue("wow");
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    eqAll("wow", a, b);
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    a.replaceRange("u\nv\nw", Pos(0, 3));
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    b.replaceRange("i", Pos(0, 4));
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    b.replaceRange("j", Pos(2, 1));
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    eqAll("wowui\nv\nwj", a, b);
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  }
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  testDoc("basic", "A='x' B<A", testBasic);
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  testDoc("basicSeparate", "A='x' B<~A", testBasic);
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  testDoc("sharedHist", "A='ab\ncd\nef' B<A", function(a, b) {
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    a.replaceRange("x", Pos(0));
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    b.replaceRange("y", Pos(1));
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    a.replaceRange("z", Pos(2));
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    eqAll("abx\ncdy\nefz", a, b);
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    a.undo();
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    a.undo();
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    eqAll("abx\ncd\nef", a, b);
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    a.redo();
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    eqAll("abx\ncdy\nef", a, b);
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    b.redo();
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    eqAll("abx\ncdy\nefz", a, b);
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    a.undo(); b.undo(); a.undo(); a.undo();
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    eqAll("ab\ncd\nef", a, b);
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  }, null, ie_lt8);
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  testDoc("undoIntact", "A='ab\ncd\nef' B<~A", function(a, b) {
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    a.replaceRange("x", Pos(0));
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    b.replaceRange("y", Pos(1));
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    a.replaceRange("z", Pos(2));
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    a.replaceRange("q", Pos(0));
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    eqAll("abxq\ncdy\nefz", a, b);
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    a.undo();
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    a.undo();
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    eqAll("abx\ncdy\nef", a, b);
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    b.undo();
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    eqAll("abx\ncd\nef", a, b);
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    a.redo();
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    eqAll("abx\ncd\nefz", a, b);
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    a.redo();
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    eqAll("abxq\ncd\nefz", a, b);
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    a.undo(); a.undo(); a.undo(); a.undo();
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    eqAll("ab\ncd\nef", a, b);
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    b.redo();
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    eqAll("ab\ncdy\nef", a, b);
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  });
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  testDoc("undoConflict", "A='ab\ncd\nef' B<~A", function(a, b) {
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    a.replaceRange("x", Pos(0));
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    a.replaceRange("z", Pos(2));
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    // This should clear the first undo event in a, but not the second
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    b.replaceRange("y", Pos(0));
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    a.undo(); a.undo();
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    eqAll("abxy\ncd\nef", a, b);
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    a.replaceRange("u", Pos(2));
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    a.replaceRange("v", Pos(0));
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    // This should clear both events in a
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    b.replaceRange("w", Pos(0));
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    a.undo(); a.undo();
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    eqAll("abxyvw\ncd\nefu", a, b);
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  });
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  testDoc("doubleRebase", "A='ab\ncd\nef\ng' B<~A C<B", function(a, b, c) {
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    c.replaceRange("u", Pos(3));
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    a.replaceRange("", Pos(0, 0), Pos(1, 0));
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    c.undo();
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    eqAll("cd\nef\ng", a, b, c);
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  });
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  testDoc("undoUpdate", "A='ab\ncd\nef' B<~A", function(a, b) {
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    a.replaceRange("x", Pos(2));
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    b.replaceRange("u\nv\nw\n", Pos(0, 0));
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    a.undo();
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    eqAll("u\nv\nw\nab\ncd\nef", a, b);
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    a.redo();
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    eqAll("u\nv\nw\nab\ncd\nefx", a, b);
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    a.undo();
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    eqAll("u\nv\nw\nab\ncd\nef", a, b);
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    b.undo();
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    a.redo();
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    eqAll("ab\ncd\nefx", a, b);
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    a.undo();
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    eqAll("ab\ncd\nef", a, b);
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  });
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  testDoc("undoKeepRanges", "A='abcdefg' B<A", function(a, b) {
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    var m = a.markText(Pos(0, 1), Pos(0, 3), {className: "foo"});
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    b.replaceRange("x", Pos(0, 0));
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    eqPos(m.find().from, Pos(0, 2));
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    b.replaceRange("yzzy", Pos(0, 1), Pos(0));
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    eq(m.find(), null);
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    b.undo();
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    eqPos(m.find().from, Pos(0, 2));
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    b.undo();
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    eqPos(m.find().from, Pos(0, 1));
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  });
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  testDoc("longChain", "A='uv' B<A C<B D<C", function(a, b, c, d) {
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    a.replaceSelection("X");
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    eqAll("Xuv", a, b, c, d);
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    d.replaceRange("Y", Pos(0));
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    eqAll("XuvY", a, b, c, d);
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  });
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  testDoc("broadCast", "B<A C<A D<A E<A", function(a, b, c, d, e) {
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    b.setValue("uu");
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    eqAll("uu", a, b, c, d, e);
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    a.replaceRange("v", Pos(0, 1));
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    eqAll("uvu", a, b, c, d, e);
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  });
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  // A and B share a history, C and D share a separate one
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  testDoc("islands", "A='x\ny\nz' B<A C<~A D<C", function(a, b, c, d) {
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    a.replaceRange("u", Pos(0));
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    d.replaceRange("v", Pos(2));
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    b.undo();
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    eqAll("x\ny\nzv", a, b, c, d);
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    c.undo();
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    eqAll("x\ny\nz", a, b, c, d);
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    a.redo();
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    eqAll("xu\ny\nz", a, b, c, d);
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    d.redo();
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    eqAll("xu\ny\nzv", a, b, c, d);
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  });
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  testDoc("unlink", "B<A C<A D<B", function(a, b, c, d) {
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    a.setValue("hi");
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    b.unlinkDoc(a);
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    d.setValue("aye");
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    eqAll("hi", a, c);
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    eqAll("aye", b, d);
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    a.setValue("oo");
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    eqAll("oo", a, c);
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    eqAll("aye", b, d);
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  });
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  testDoc("bareDoc", "A*='foo' B*<A C<B", function(a, b, c) {
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    is(a instanceof CodeMirror.Doc);
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    is(b instanceof CodeMirror.Doc);
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    is(c instanceof CodeMirror);
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    eqAll("foo", a, b, c);
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    a.replaceRange("hey", Pos(0, 0), Pos(0));
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    c.replaceRange("!", Pos(0));
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    eqAll("hey!", a, b, c);
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    b.unlinkDoc(a);
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    b.setValue("x");
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    eqAll("x", b, c);
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    eqAll("hey!", a);
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  });
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  testDoc("swapDoc", "A='a' B*='b' C<A", function(a, b, c) {
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    var d = a.swapDoc(b);
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    d.setValue("x");
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    eqAll("x", c, d);
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    eqAll("b", a, b);
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  });
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  testDoc("docKeepsScroll", "A='x' B*='y'", function(a, b) {
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    addDoc(a, 200, 200);
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    a.scrollIntoView(Pos(199, 200));
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    var c = a.swapDoc(b);
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    a.swapDoc(c);
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    var pos = a.getScrollInfo();
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    is(pos.left > 0, "not at left");
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    is(pos.top > 0, "not at top");
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  });
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  testDoc("copyDoc", "A='u'", function(a) {
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    var copy = a.getDoc().copy(true);
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    a.setValue("foo");
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    copy.setValue("bar");
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    var old = a.swapDoc(copy);
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    eq(a.getValue(), "bar");
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    a.undo();
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    eq(a.getValue(), "u");
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    a.swapDoc(old);
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    eq(a.getValue(), "foo");
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    eq(old.historySize().undo, 1);
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    eq(old.copy(false).historySize().undo, 0);
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  });
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  testDoc("docKeepsMode", "A='1+1'", function(a) {
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    var other = CodeMirror.Doc("hi", "text/x-markdown");
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    a.setOption("mode", "text/javascript");
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    var old = a.swapDoc(other);
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    eq(a.getOption("mode"), "text/x-markdown");
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    eq(a.getMode().name, "markdown");
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    a.swapDoc(old);
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    eq(a.getOption("mode"), "text/javascript");
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    eq(a.getMode().name, "javascript");
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  });
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  testDoc("subview", "A='1\n2\n3\n4\n5' B<~A/1-3", function(a, b) {
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    eq(b.getValue(), "2\n3");
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    eq(b.firstLine(), 1);
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    b.setCursor(Pos(4));
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    eqPos(b.getCursor(), Pos(2, 1));
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    a.replaceRange("-1\n0\n", Pos(0, 0));
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    eq(b.firstLine(), 3);
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    eqPos(b.getCursor(), Pos(4, 1));
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    a.undo();
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    eqPos(b.getCursor(), Pos(2, 1));
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    b.replaceRange("oyoy\n", Pos(2, 0));
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    eq(a.getValue(), "1\n2\noyoy\n3\n4\n5");
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    b.undo();
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    eq(a.getValue(), "1\n2\n3\n4\n5");
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  });
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  testDoc("subviewEditOnBoundary", "A='11\n22\n33\n44\n55' B<~A/1-4", function(a, b) {
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    a.replaceRange("x\nyy\nz", Pos(0, 1), Pos(2, 1));
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    eq(b.firstLine(), 2);
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    eq(b.lineCount(), 2);
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    eq(b.getValue(), "z3\n44");
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    a.replaceRange("q\nrr\ns", Pos(3, 1), Pos(4, 1));
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    eq(b.firstLine(), 2);
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    eq(b.getValue(), "z3\n4q");
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    eq(a.getValue(), "1x\nyy\nz3\n4q\nrr\ns5");
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    a.execCommand("selectAll");
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    a.replaceSelection("!");
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    eqAll("!", a, b);
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  });
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  testDoc("sharedMarker", "A='ab\ncd\nef\ngh' B<A C<~A/1-2", function(a, b, c) {
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    var mark = b.markText(Pos(0, 1), Pos(3, 1),
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                          {className: "cm-searching", shared: true});
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    var found = a.findMarksAt(Pos(0, 2));
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    eq(found.length, 1);
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    eq(found[0], mark);
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    eq(c.findMarksAt(Pos(1, 1)).length, 1);
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    eqPos(mark.find().from, Pos(0, 1));
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    eqPos(mark.find().to, Pos(3, 1));
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    b.replaceRange("x\ny\n", Pos(0, 0));
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    eqPos(mark.find().from, Pos(2, 1));
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    eqPos(mark.find().to, Pos(5, 1));
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    var cleared = 0;
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    CodeMirror.on(mark, "clear", function() {++cleared;});
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    b.operation(function(){mark.clear();});
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    eq(a.findMarksAt(Pos(3, 1)).length, 0);
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    eq(b.findMarksAt(Pos(3, 1)).length, 0);
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    eq(c.findMarksAt(Pos(3, 1)).length, 0);
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    eq(mark.find(), null);
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    eq(cleared, 1);
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  });
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  testDoc("undoInSubview", "A='line 0\nline 1\nline 2\nline 3\nline 4' B<A/1-4", function(a, b) {
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    b.replaceRange("x", Pos(2, 0));
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    a.undo();
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    eq(a.getValue(), "line 0\nline 1\nline 2\nline 3\nline 4");
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    eq(b.getValue(), "line 1\nline 2\nline 3");
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  });
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})();
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