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✏️ Editing: doc_test.js

(function() {

// A minilanguage for instantiating linked CodeMirror instances and Docs

function instantiateSpec(spec, place, opts) {

var names = {}, pos = 0, l = spec.length, editors = [];

while (spec) {

var m = spec.match(/^(\w+)(\*?)(?:='([^\']*)'|<(~?)(\w+)(?:\/(\d+)-(\d+))?)\s*/);

var name = m[1], isDoc = m[2], cur;

if (m[3]) {

cur = isDoc ? CodeMirror.Doc(m[3]) : CodeMirror(place, clone(opts, {value: m[3]}));

} else {

var other = m[5];

if (!names.hasOwnProperty(other)) {

names[other] = editors.length;

editors.push(CodeMirror(place, opts));

}

var doc = editors[names[other]].linkedDoc({

sharedHist: !m[4],

from: m[6] ? Number(m[6]) : null,

to: m[7] ? Number(m[7]) : null

});

cur = isDoc ? doc : CodeMirror(place, clone(opts, {value: doc}));

}

names[name] = editors.length;

editors.push(cur);

spec = spec.slice(m[0].length);

}

return editors;

}

function clone(obj, props) {

if (!obj) return;

clone.prototype = obj;

var inst = new clone();

if (props) for (var n in props) if (props.hasOwnProperty(n))

inst[n] = props[n];

return inst;

}

function eqAll(val) {

var end = arguments.length, msg = null;

if (typeof arguments[end-1] == "string")

msg = arguments[--end];

if (i == end) throw new Error("No editors provided to eqAll");

for (var i = 1; i < end; ++i)

eq(arguments[i].getValue(), val, msg)

}

function testDoc(name, spec, run, opts, expectFail) {

if (!opts) opts = {};

return test("doc_" + name, function() {

var place = document.getElementById("testground");

var editors = instantiateSpec(spec, place, opts);

var successful = false;

try {

run.apply(null, editors);

successful = true;

} finally {

if (!successful || verbose) {

place.style.visibility = "visible";

} else {

for (var i = 0; i < editors.length; ++i)

if (editors[i] instanceof CodeMirror)

place.removeChild(editors[i].getWrapperElement());

}

}, expectFail);

}

var ie_lt8 = /MSIE [1-7]\b/.test(navigator.userAgent);

function testBasic(a, b) {

eqAll("x", a, b);

a.setValue("hey");

eqAll("hey", a, b);

b.setValue("wow");

eqAll("wow", a, b);

a.replaceRange("u\nv\nw", Pos(0, 3));

b.replaceRange("i", Pos(0, 4));

b.replaceRange("j", Pos(2, 1));

eqAll("wowui\nv\nwj", a, b);

}

testDoc("basic", "A='x' B<A", testBasic);

testDoc("basicSeparate", "A='x' B<~A", testBasic);

testDoc("sharedHist", "A='ab\ncd\nef' B<A", function(a, b) {

a.replaceRange("x", Pos(0));

b.replaceRange("y", Pos(1));

a.replaceRange("z", Pos(2));

eqAll("abx\ncdy\nefz", a, b);

a.undo();

eqAll("abx\ncd\nef", a, b);

a.redo();

eqAll("abx\ncdy\nef", a, b);

b.redo();

eqAll("abx\ncdy\nefz", a, b);

a.undo(); b.undo(); a.undo(); a.undo();

eqAll("ab\ncd\nef", a, b);

}, null, ie_lt8);

testDoc("undoIntact", "A='ab\ncd\nef' B<~A", function(a, b) {

a.replaceRange("x", Pos(0));

b.replaceRange("y", Pos(1));

a.replaceRange("z", Pos(2));

a.replaceRange("q", Pos(0));

eqAll("abxq\ncdy\nefz", a, b);

a.undo();

eqAll("abx\ncdy\nef", a, b);

b.undo();

eqAll("abx\ncd\nef", a, b);

a.redo();

eqAll("abx\ncd\nefz", a, b);

a.redo();

eqAll("abxq\ncd\nefz", a, b);

a.undo(); a.undo(); a.undo(); a.undo();

eqAll("ab\ncd\nef", a, b);

b.redo();

eqAll("ab\ncdy\nef", a, b);

});

testDoc("undoConflict", "A='ab\ncd\nef' B<~A", function(a, b) {

a.replaceRange("x", Pos(0));

a.replaceRange("z", Pos(2));

// This should clear the first undo event in a, but not the second

b.replaceRange("y", Pos(0));

a.undo(); a.undo();

eqAll("abxy\ncd\nef", a, b);

a.replaceRange("u", Pos(2));

a.replaceRange("v", Pos(0));

// This should clear both events in a

b.replaceRange("w", Pos(0));

a.undo(); a.undo();

eqAll("abxyvw\ncd\nefu", a, b);

});

testDoc("doubleRebase", "A='ab\ncd\nef\ng' B<~A C<B", function(a, b, c) {

c.replaceRange("u", Pos(3));

a.replaceRange("", Pos(0, 0), Pos(1, 0));

c.undo();

eqAll("cd\nef\ng", a, b, c);

});

testDoc("undoUpdate", "A='ab\ncd\nef' B<~A", function(a, b) {

a.replaceRange("x", Pos(2));

b.replaceRange("u\nv\nw\n", Pos(0, 0));

a.undo();

eqAll("u\nv\nw\nab\ncd\nef", a, b);

a.redo();

eqAll("u\nv\nw\nab\ncd\nefx", a, b);

a.undo();

eqAll("u\nv\nw\nab\ncd\nef", a, b);

b.undo();

a.redo();

eqAll("ab\ncd\nefx", a, b);

a.undo();

eqAll("ab\ncd\nef", a, b);

});

testDoc("undoKeepRanges", "A='abcdefg' B<A", function(a, b) {

var m = a.markText(Pos(0, 1), Pos(0, 3), {className: "foo"});

b.replaceRange("x", Pos(0, 0));

eqPos(m.find().from, Pos(0, 2));

b.replaceRange("yzzy", Pos(0, 1), Pos(0));

eq(m.find(), null);

b.undo();

eqPos(m.find().from, Pos(0, 2));

b.undo();

eqPos(m.find().from, Pos(0, 1));

});

testDoc("longChain", "A='uv' B<A C<B D<C", function(a, b, c, d) {

a.replaceSelection("X");

eqAll("Xuv", a, b, c, d);

d.replaceRange("Y", Pos(0));

eqAll("XuvY", a, b, c, d);

});

testDoc("broadCast", "B<A C<A D<A E<A", function(a, b, c, d, e) {

b.setValue("uu");

eqAll("uu", a, b, c, d, e);

a.replaceRange("v", Pos(0, 1));

eqAll("uvu", a, b, c, d, e);

});

// A and B share a history, C and D share a separate one

testDoc("islands", "A='x\ny\nz' B<A C<~A D<C", function(a, b, c, d) {

a.replaceRange("u", Pos(0));

d.replaceRange("v", Pos(2));

b.undo();

eqAll("x\ny\nzv", a, b, c, d);

c.undo();

eqAll("x\ny\nz", a, b, c, d);

a.redo();

eqAll("xu\ny\nz", a, b, c, d);

d.redo();

eqAll("xu\ny\nzv", a, b, c, d);

});

testDoc("unlink", "B<A C<A D<B", function(a, b, c, d) {

a.setValue("hi");

b.unlinkDoc(a);

d.setValue("aye");

eqAll("hi", a, c);

eqAll("aye", b, d);

a.setValue("oo");

eqAll("oo", a, c);

eqAll("aye", b, d);

});

testDoc("bareDoc", "A*='foo' B*<A C<B", function(a, b, c) {

is(a instanceof CodeMirror.Doc);

is(b instanceof CodeMirror.Doc);

is(c instanceof CodeMirror);

eqAll("foo", a, b, c);

a.replaceRange("hey", Pos(0, 0), Pos(0));

c.replaceRange("!", Pos(0));

eqAll("hey!", a, b, c);

b.unlinkDoc(a);

b.setValue("x");

eqAll("x", b, c);

eqAll("hey!", a);

});

testDoc("swapDoc", "A='a' B*='b' C<A", function(a, b, c) {

var d = a.swapDoc(b);

d.setValue("x");

eqAll("x", c, d);

eqAll("b", a, b);

});

testDoc("docKeepsScroll", "A='x' B*='y'", function(a, b) {

addDoc(a, 200, 200);

a.scrollIntoView(Pos(199, 200));

var c = a.swapDoc(b);

a.swapDoc(c);

var pos = a.getScrollInfo();

is(pos.left > 0, "not at left");

is(pos.top > 0, "not at top");

});

testDoc("copyDoc", "A='u'", function(a) {

var copy = a.getDoc().copy(true);

a.setValue("foo");

copy.setValue("bar");

var old = a.swapDoc(copy);

eq(a.getValue(), "bar");

a.undo();

eq(a.getValue(), "u");

a.swapDoc(old);

eq(a.getValue(), "foo");

eq(old.historySize().undo, 1);

eq(old.copy(false).historySize().undo, 0);

});

testDoc("docKeepsMode", "A='1+1'", function(a) {

var other = CodeMirror.Doc("hi", "text/x-markdown");

a.setOption("mode", "text/javascript");

var old = a.swapDoc(other);

eq(a.getOption("mode"), "text/x-markdown");

eq(a.getMode().name, "markdown");

a.swapDoc(old);

eq(a.getOption("mode"), "text/javascript");

eq(a.getMode().name, "javascript");

});

testDoc("subview", "A='1\n2\n3\n4\n5' B<~A/1-3", function(a, b) {

eq(b.getValue(), "2\n3");

eq(b.firstLine(), 1);

b.setCursor(Pos(4));

eqPos(b.getCursor(), Pos(2, 1));

a.replaceRange("-1\n0\n", Pos(0, 0));

eq(b.firstLine(), 3);

eqPos(b.getCursor(), Pos(4, 1));

a.undo();

eqPos(b.getCursor(), Pos(2, 1));

b.replaceRange("oyoy\n", Pos(2, 0));

eq(a.getValue(), "1\n2\noyoy\n3\n4\n5");

b.undo();

eq(a.getValue(), "1\n2\n3\n4\n5");

});

testDoc("subviewEditOnBoundary", "A='11\n22\n33\n44\n55' B<~A/1-4", function(a, b) {

a.replaceRange("x\nyy\nz", Pos(0, 1), Pos(2, 1));

eq(b.firstLine(), 2);

eq(b.lineCount(), 2);

eq(b.getValue(), "z3\n44");

a.replaceRange("q\nrr\ns", Pos(3, 1), Pos(4, 1));

eq(b.firstLine(), 2);

eq(b.getValue(), "z3\n4q");

eq(a.getValue(), "1x\nyy\nz3\n4q\nrr\ns5");

a.execCommand("selectAll");

a.replaceSelection("!");

eqAll("!", a, b);

});

testDoc("sharedMarker", "A='ab\ncd\nef\ngh' B<A C<~A/1-2", function(a, b, c) {

var mark = b.markText(Pos(0, 1), Pos(3, 1),

{className: "cm-searching", shared: true});

var found = a.findMarksAt(Pos(0, 2));

eq(found.length, 1);

eq(found[0], mark);

eq(c.findMarksAt(Pos(1, 1)).length, 1);

eqPos(mark.find().from, Pos(0, 1));

eqPos(mark.find().to, Pos(3, 1));

b.replaceRange("x\ny\n", Pos(0, 0));

eqPos(mark.find().from, Pos(2, 1));

eqPos(mark.find().to, Pos(5, 1));

var cleared = 0;

CodeMirror.on(mark, "clear", function() {++cleared;});

b.operation(function(){mark.clear();});

eq(a.findMarksAt(Pos(3, 1)).length, 0);

eq(b.findMarksAt(Pos(3, 1)).length, 0);

eq(c.findMarksAt(Pos(3, 1)).length, 0);

eq(mark.find(), null);

eq(cleared, 1);

});

testDoc("sharedMarkerCopy", "A='abcde'", function(a) {

var shared = a.markText(Pos(0, 1), Pos(0, 3), {shared: true});

var b = a.linkedDoc();

var found = b.findMarksAt(Pos(0, 2));

eq(found.length, 1);

eq(found[0], shared);

shared.clear();

eq(b.findMarksAt(Pos(0, 2)), 0);

});

testDoc("sharedMarkerDetach", "A='abcde' B<A C<B", function(a, b, c) {

var shared = a.markText(Pos(0, 1), Pos(0, 3), {shared: true});

a.unlinkDoc(b);

var inB = b.findMarksAt(Pos(0, 2));

eq(inB.length, 1);

is(inB[0] != shared);

var inC = c.findMarksAt(Pos(0, 2));

eq(inC.length, 1);

is(inC[0] != shared);

inC[0].clear();

is(shared.find());

});

testDoc("sharedBookmark", "A='ab\ncd\nef\ngh' B<A C<~A/1-2", function(a, b, c) {

var mark = b.setBookmark(Pos(1, 1), {shared: true});

var found = a.findMarksAt(Pos(1, 1));

eq(found.length, 1);

eq(found[0], mark);

eq(c.findMarksAt(Pos(1, 1)).length, 1);

eqPos(mark.find(), Pos(1, 1));

b.replaceRange("x\ny\n", Pos(0, 0));

eqPos(mark.find(), Pos(3, 1));

var cleared = 0;

CodeMirror.on(mark, "clear", function() {++cleared;});

b.operation(function() {mark.clear();});

eq(a.findMarks(Pos(0, 0), Pos(5)).length, 0);

eq(b.findMarks(Pos(0, 0), Pos(5)).length, 0);

eq(c.findMarks(Pos(0, 0), Pos(5)).length, 0);

eq(mark.find(), null);

eq(cleared, 1);

});

testDoc("undoInSubview", "A='line 0\nline 1\nline 2\nline 3\nline 4' B<A/1-4", function(a, b) {

b.replaceRange("x", Pos(2, 0));

a.undo();

eq(a.getValue(), "line 0\nline 1\nline 2\nline 3\nline 4");

eq(b.getValue(), "line 1\nline 2\nline 3");

});

})();

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