SSL test_middle_click_paste.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/editor/libeditor/tests/test_middle_click_paste.html

<!DOCTYPE html>
<html>
<head>
 <title>Test for paste with middle button click</title>
 <script src="/tests/SimpleTest/SimpleTest.js"></script>
 <script src="/tests/SimpleTest/EventUtils.js"></script>
 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>

<div id="content" style="display: none;">

</div>

<div id="container"></div>

<textarea id="toCopyPlaintext" style="display: none;"></textarea>
<iframe id="toCopyHTMLContent" srcdoc="" style="display: none;"></iframe>

<pre id="test">

<script class="testbody" type="application/javascript">
SimpleTest.waitForExplicitFinish();

// TODO: This file should test complicated cases too.
// E.g., pasting into existing content, e.g., pasting invalid child
// element for the parent elements at insertion point.

async function copyPlaintext(aText) {
 return new Promise(resolve => {
 SimpleTest.waitForClipboard(aText,
 () => {
 let element = document.getElementById("toCopyPlaintext");
 element.style.display = "block";
 element.focus();
 element.value = aText;
 synthesizeKey("a", {accelKey: true});
 synthesizeKey("c", {accelKey: true});
 },
 () => {
 ok(true, `Succeeded to copy "${aText}" to clipboard`);
 let element = document.getElementById("toCopyPlaintext");
 element.style.display = "none";
 resolve();
 },
 () => {
 ok(false, `Failed to copy "${aText}" to clipboard`);
 SimpleTest.finish();
 });
 });
}

async function copyHTMLContent(aInnerHTML) {
 let iframe = document.getElementById("toCopyHTMLContent");
 iframe.style.display = "block";
 iframe.contentDocument.body.scrollTop;
 iframe.contentDocument.body.innerHTML = aInnerHTML;
 iframe.contentWindow.focus();
 iframe.contentWindow.getSelection().selectAllChildren(iframe.contentDocument.body);
 return new Promise(resolve => {
 SimpleTest.waitForClipboard(
 () => { return true; },
 () => {
 synthesizeKey("c", {accelKey: true}, iframe.contentWindow);
 },
 () => {
 ok(true, `Succeeded to copy "${aInnerHTML}" to clipboard as HTML`);
 iframe.style.display = "none";
 resolve();
 },
 () => {
 ok(false, `Failed to copy "${aInnerHTML}" to clipboard`);
 SimpleTest.finish();
 },
 "text/html");
 });
}

function checkInputEvent(aEvent, aInputType, aData, aDataTransfer, aTargetRanges, aDescription) {
 ok(aEvent instanceof InputEvent,
 `"${aEvent.type}" event should be dispatched with InputEvent interface ${aDescription}`);
 is(aEvent.cancelable, aEvent.type === "beforeinput",
 `"${aEvent.type}" event should ${aEvent.type === "beforeinput" ? "be" : "be never"} cancelable ${aDescription}`);
 is(aEvent.bubbles, true,
 `"${aEvent.type}" event should always bubble ${aDescription}`);
 is(aEvent.inputType, aInputType,
 `inputType of "${aEvent.type}" event should be "${aInputType}" ${aDescription}`);
 is(aEvent.data, aData,
 `data of "${aEvent.type}" event should be ${aData} ${aDescription}`);
 if (aDataTransfer === null) {
 is(aEvent.dataTransfer, null,
 `dataTransfer of "${aEvent.type}" event should be null ${aDescription}`);
 } else {
 for (let dataTransfer of aDataTransfer) {
 is(aEvent.dataTransfer.getData(dataTransfer.type), dataTransfer.data,
 `dataTransfer of "${aEvent.type}" should have "${dataTransfer.data}" whose type is "${dataTransfer.type}" ${aDescription}`);
 }
 }
 let targetRanges = aEvent.getTargetRanges();
 if (aTargetRanges.length === 0) {
 is(targetRanges.length, 0,
 `getTargetRange() of "${aEvent.type}" event should return empty array: ${aDescription}`);
 } else {
 is(targetRanges.length, aTargetRanges.length,
 `getTargetRange() of "${aEvent.type}" event should return static range array: ${aDescription}`);
 if (targetRanges.length == aTargetRanges.length) {
 for (let i = 0; i < targetRanges.length; i++) {
 is(targetRanges[i].startContainer, aTargetRanges[i].startContainer,
 `startContainer of getTargetRanges()[${i}] of "${aEvent.type}" event does not match: ${aDescription}`);
 is(targetRanges[i].startOffset, aTargetRanges[i].startOffset,
 `startOffset of getTargetRanges()[${i}] of "${aEvent.type}" event does not match: ${aDescription}`);
 is(targetRanges[i].endContainer, aTargetRanges[i].endContainer,
 `endContainer of getTargetRanges()[${i}] of "${aEvent.type}" event does not match: ${aDescription}`);
 is(targetRanges[i].endOffset, aTargetRanges[i].endOffset,
 `endOffset of getTargetRanges()[${i}] of "${aEvent.type}" event does not match: ${aDescription}`);
 }
 }
 }
}

async function doTextareaTests(aTextarea) {
 let beforeInputEvents = [];
 let inputEvents = [];
 function onBeforeInput(aEvent) {
 beforeInputEvents.push(aEvent);
 }
 function onInput(aEvent) {
 inputEvents.push(aEvent);
 }
 aTextarea.addEventListener("beforeinput", onBeforeInput);
 aTextarea.addEventListener("input", onInput);

 await copyPlaintext("abc\ndef\nghi");
 aTextarea.focus();
 beforeInputEvents = [];
 inputEvents = [];
 synthesizeMouseAtCenter(aTextarea, {button: 1, ctrlKey: true});
 is(aTextarea.value,
 "> abc\n> def\n> ghi\n\n",
 "Pasted each line should start with \"> \"");
 is(beforeInputEvents.length, 1,
 'One "beforeinput" event should be fired #1');
 checkInputEvent(beforeInputEvents[0], "insertFromPasteAsQuotation", "abc\ndef\nghi", null, [], "#1");
 is(inputEvents.length, 1,
 'One "input" event should be fired #1');
 checkInputEvent(inputEvents[0], "insertFromPasteAsQuotation", "abc\ndef\nghi", null, [], "#1");
 aTextarea.value = "";

 await copyPlaintext("> abc\n> def\n> ghi");
 aTextarea.focus();
 beforeInputEvents = [];
 inputEvents = [];
 synthesizeMouseAtCenter(aTextarea, {button: 1, ctrlKey: true});
 is(aTextarea.value,
 ">> abc\n>> def\n>> ghi\n\n",
 "Pasted each line should be start with \">> \" when already quoted one level");
 is(beforeInputEvents.length, 1,
 'One "beforeinput" event should be fired #2');
 checkInputEvent(beforeInputEvents[0], "insertFromPasteAsQuotation", "> abc\n> def\n> ghi", null, [], "#2");
 is(inputEvents.length, 1,
 'One "input" event should be fired #2');
 checkInputEvent(inputEvents[0], "insertFromPasteAsQuotation", "> abc\n> def\n> ghi", null, [], "#2");
 aTextarea.value = "";

 await copyPlaintext("> abc\n> def\n\nghi");
 aTextarea.focus();
 beforeInputEvents = [];
 inputEvents = [];
 synthesizeMouseAtCenter(aTextarea, {button: 1, ctrlKey: true});
 is(aTextarea.value,
 ">> abc\n>> def\n> \n> ghi\n\n",
 "Pasted each line should be start with \">> \" when already quoted one level");
 is(beforeInputEvents.length, 1,
 'One "beforeinput" event should be fired #3');
 checkInputEvent(beforeInputEvents[0], "insertFromPasteAsQuotation", "> abc\n> def\n\nghi", null, [], "#3");
 is(inputEvents.length, 1,
 'One "input" event should be fired #3');
 checkInputEvent(inputEvents[0], "insertFromPasteAsQuotation", "> abc\n> def\n\nghi", null, [], "#3");
 aTextarea.value = "";

 await copyPlaintext("abc\ndef\n\n");
 aTextarea.focus();
 beforeInputEvents = [];
 inputEvents = [];
 synthesizeMouseAtCenter(aTextarea, {button: 1, ctrlKey: true});
 is(aTextarea.value,
 "> abc\n> def\n> \n",
 "If pasted text ends with \"\\n\", only the last line should not started with \">\"");
 is(beforeInputEvents.length, 1,
 'One "beforeinput" event should be fired #4');
 checkInputEvent(beforeInputEvents[0], "insertFromPasteAsQuotation", "abc\ndef\n\n", null, [], "#4");
 is(inputEvents.length, 1,
 'One "input" event should be fired #4');
 checkInputEvent(inputEvents[0], "insertFromPasteAsQuotation", "abc\ndef\n\n", null, [], "#4");
 aTextarea.value = "";

 await copyPlaintext("abc\ndef\n\n");
 aTextarea.addEventListener("paste", (event) => { event.preventDefault(); }, {once: true});
 aTextarea.focus();
 beforeInputEvents = [];
 inputEvents = [];
 synthesizeMouseAtCenter(aTextarea, {button: 1, ctrlKey: true});
 is(aTextarea.value, "",
 'Pasting as quote should have been canceled if "paste" event was canceled');
 is(beforeInputEvents.length, 0,
 'No "beforeinput" event should be fired since "paste" event was canceled #5');
 is(inputEvents.length, 0,
 'No "input" event should be fired since "paste" was canceled #5');
 aTextarea.value = "";

 await copyPlaintext("abc\ndef\n\n");
 aTextarea.addEventListener("beforeinput", (event) => { event.preventDefault(); }, {once: true});
 aTextarea.focus();
 beforeInputEvents = [];
 inputEvents = [];
 synthesizeMouseAtCenter(aTextarea, {button: 1, ctrlKey: true});
 is(aTextarea.value, "",
 'Pasting as quote should have been canceled if "beforeinput" event was canceled');
 is(beforeInputEvents.length, 1,
 'One "beforeinput" event should be fired #5');
 checkInputEvent(beforeInputEvents[0], "insertFromPasteAsQuotation", "abc\ndef\n\n", null, [], "#6");
 is(inputEvents.length, 0,
 'No "input" event should be fired since "beforeinput" was canceled #6');
 aTextarea.value = "";

 let pasteEventCount = 0;
 function pasteEventLogger() {
 pasteEventCount++;
 }
 aTextarea.addEventListener("paste", pasteEventLogger);

 await copyPlaintext("abc");
 aTextarea.focus();
 document.body.addEventListener("click", (event) => { event.preventDefault(); }, {capture: true, once: true});
 beforeInputEvents = [];
 inputEvents = [];
 synthesizeMouseAtCenter(aTextarea, {button: 1});
 is(aTextarea.value, "abc",
 "If 'click' event is consumed at capturing phase of the , paste should not be canceled");
 is(pasteEventCount, 1,
 "If 'click' event is consumed at capturing phase of the , 'paste' event should still be fired");
 is(beforeInputEvents.length, 1,
 '"beforeinput" event should be fired when the "click" event is canceled');
 checkInputEvent(beforeInputEvents[0], "insertFromPaste", "abc", null, [], 'when the "click" event is canceled');
 is(inputEvents.length, 1,
 '"input" event should be fired when the "click" event is canceled');
 checkInputEvent(inputEvents[0], "insertFromPaste", "abc", null, [], 'when the "click" event is canceled');
 aTextarea.value = "";

 await copyPlaintext("abc");
 aTextarea.focus();
 aTextarea.addEventListener("mouseup", (event) => { event.preventDefault(); }, {once: true});
 pasteEventCount = 0;
 beforeInputEvents = [];
 inputEvents = [];
 synthesizeMouseAtCenter(aTextarea, {button: 1});
 is(aTextarea.value, "abc",
 "Even if 'mouseup' event is consumed, paste should be done");
 is(pasteEventCount, 1,
 "Even if 'mouseup' event is consumed, 'paste' event should be fired once");
 is(beforeInputEvents.length, 1,
 'One "beforeinput" event should be fired even if "mouseup" event is canceled');
 checkInputEvent(beforeInputEvents[0], "insertFromPaste", "abc", null, [], 'even if "mouseup" event is canceled');
 is(inputEvents.length, 1,
 'One "input" event should be fired even if "mouseup" event is canceled');
 checkInputEvent(inputEvents[0], "insertFromPaste", "abc", null, [], 'even if "mouseup" event is canceled');
 aTextarea.value = "";

 await copyPlaintext("abc");
 aTextarea.focus();
 aTextarea.addEventListener("click", (event) => { event.preventDefault(); }, {once: true});
 pasteEventCount = 0;
 beforeInputEvents = [];
 inputEvents = [];
 synthesizeMouseAtCenter(aTextarea, {button: 1});
 is(aTextarea.value, "abc",
 "If 'click' event handler is added to the

, paste should not be canceled"); 
  is(pasteEventCount, 1, 
     "If 'click' event handler is added to the <textarea>, 'paste' event should be fired once"); 
  is(beforeInputEvents.length, 1, 
     'One "beforeinput" event should be fired even if "click" event is canceled in bubbling phase'); 
  checkInputEvent(beforeInputEvents[0], "insertFromPaste", "abc", null, [], 'even if "click" event is canceled in bubbling phase'); 
  is(inputEvents.length, 1, 
     'One "input" event should be fired even if "click" event is canceled in bubbling phase'); 
  checkInputEvent(inputEvents[0], "insertFromPaste", "abc", null, [], 'even if "click" event is canceled in bubbling phase'); 
  aTextarea.value = ""; 
 
  await copyPlaintext("abc"); 
  aTextarea.focus(); 
  aTextarea.addEventListener("auxclick", (event) => { event.preventDefault(); }, {once: true}); 
  pasteEventCount = 0; 
  beforeInputEvents = []; 
  inputEvents = []; 
  synthesizeMouseAtCenter(aTextarea, {button: 1}); 
  is(aTextarea.value, "", 
     "If 'auxclick' event is consumed, paste should be canceled"); 
  is(pasteEventCount, 0, 
     "If 'auxclick' event is consumed, 'paste' event should not be fired once"); 
  is(beforeInputEvents.length, 0, 
     'No "beforeinput" event should be fired if "auxclick" event is canceled'); 
  is(inputEvents.length, 0, 
     'No "input" event should be fired if "auxclick" event is canceled'); 
  aTextarea.value = ""; 
 
  await copyPlaintext("abc"); 
  aTextarea.focus(); 
  aTextarea.addEventListener("paste", (event) => { event.preventDefault(); }, {once: true}); 
  pasteEventCount = 0; 
  beforeInputEvents = []; 
  inputEvents = []; 
  synthesizeMouseAtCenter(aTextarea, {button: 1}); 
  is(aTextarea.value, "", 
     "If 'paste' event is consumed, paste should be canceled"); 
  is(pasteEventCount, 1, 
     'One "paste" event should be fired for making it possible to consume'); 
  is(beforeInputEvents.length, 0, 
     'No "beforeinput" event should be fired if "paste" event is canceled'); 
  is(inputEvents.length, 0, 
     'No "input" event should be fired if "paste" event is canceled'); 
  aTextarea.value = ""; 
 
  await copyPlaintext("abc"); 
  aTextarea.focus(); 
  aTextarea.addEventListener("beforeinput", (event) => { event.preventDefault(); }, {once: true}); 
  pasteEventCount = 0; 
  beforeInputEvents = []; 
  inputEvents = []; 
  synthesizeMouseAtCenter(aTextarea, {button: 1}); 
  is(aTextarea.value, "", 
     "If 'beforeinput' event is consumed, paste should be canceled"); 
  is(pasteEventCount, 1, 
     'One "paste" event should be fired before "beforeinput" event is consumed'); 
  is(beforeInputEvents.length, 1, 
     'One "beforeinput" event should be fired for making it possible to consume'); 
  checkInputEvent(beforeInputEvents[0], "insertFromPaste", "abc", null, [], 'when "beforeinput" is canceled in bubbling phase'); 
  is(inputEvents.length, 0, 
     'No "input" event should be fired if "paste" event is canceled'); 
  aTextarea.value = ""; 
 
  aTextarea.removeEventListener("paste", pasteEventLogger); 
  aTextarea.removeEventListener("beforeinput", onBeforeInput); 
  aTextarea.removeEventListener("input", onInput); 
} 
 
async function doContenteditableTests(aEditableDiv) { 
  let beforeInputEvents = []; 
  let inputEvents = []; 
  let selectionRanges = []; 
  function onBeforeInput(aEvent) { 
    beforeInputEvents.push(aEvent); 
    let selection = document.getSelection(); 
    selectionRanges = []; 
    for (let i = 0; i < selection.rangeCount; i++) { 
      let range = selection.getRangeAt(i); 
      selectionRanges.push({startContainer: range.startContainer, startOffset: range.startOffset, 
                            endContainer: range.endContainer, endOffset: range.endOffset}); 
    } 
  } 
  function onInput(aEvent) { 
    inputEvents.push(aEvent); 
  } 
  aEditableDiv.addEventListener("beforeinput", onBeforeInput); 
  aEditableDiv.addEventListener("input", onInput); 
 
  await copyPlaintext("abc\ndef\nghi"); 
  aEditableDiv.focus(); 
  beforeInputEvents = []; 
  inputEvents = []; 
  synthesizeMouseAtCenter(aEditableDiv, {button: 1, ctrlKey: true}); 
  is(aEditableDiv.innerHTML, 
     "<blockquote type=\"cite\">abc def ghi</blockquote>", 
     "Pasted plaintext should be in <blockquote> element and each linebreaker should be element"); 
  is(beforeInputEvents.length, 1, 
     'One "beforeinput" event should be fired on the editing host'); 
  checkInputEvent(beforeInputEvents[0], "insertFromPasteAsQuotation", null, 
                  [{type: "text/plain", data: "abc\ndef\nghi"}], selectionRanges, "(contenteditable)"); 
  is(inputEvents.length, 1, 
     'One "input" event should be fired on the editing host'); 
  checkInputEvent(inputEvents[0], "insertFromPasteAsQuotation", null, 
                  [{type: "text/plain", data: "abc\ndef\nghi"}], [], "(contenteditable)"); 
  aEditableDiv.innerHTML = ""; 
 
  let pasteEventCount = 0; 
  function pasteEventLogger() { 
    pasteEventCount++; 
  } 
  aEditableDiv.addEventListener("paste", pasteEventLogger); 
 
  await copyPlaintext("abc"); 
  aEditableDiv.focus(); 
  window.addEventListener("click", (event) => { event.preventDefault(); }, {capture: true, once: true}); 
  beforeInputEvents = []; 
  inputEvents = []; 
  synthesizeMouseAtCenter(aEditableDiv, {button: 1}); 
  is(aEditableDiv.innerHTML, "abc", 
     "If 'click' event is consumed at capturing phase of the window, paste should not be canceled"); 
  is(pasteEventCount, 1, 
     "If 'click' event is consumed at capturing phase of the window, 'paste' event should be fired once"); 
  is(beforeInputEvents.length, 1, 
     '"beforeinput" event should still be fired when the "click" event is canceled (contenteditable)'); 
  checkInputEvent(beforeInputEvents[0], "insertFromPaste", null, 
                  [{type: "text/plain", data: "abc"}], selectionRanges, 'when the "click" event is canceled (contenteditable)'); 
  is(inputEvents.length, 1, 
     '"input" event should still be fired when the "click" event is canceled (contenteditable)'); 
  checkInputEvent(inputEvents[0], "insertFromPaste", null, 
                  [{type: "text/plain", data: "abc"}], [], 'when the "click" event is canceled (contenteditable)'); 
  aEditableDiv.innerHTML = ""; 
 
  await copyPlaintext("abc"); 
  aEditableDiv.focus(); 
  aEditableDiv.addEventListener("mouseup", (event) => { event.preventDefault(); }, {once: true}); 
  pasteEventCount = 0; 
  beforeInputEvents = []; 
  inputEvents = []; 
  synthesizeMouseAtCenter(aEditableDiv, {button: 1}); 
  is(aEditableDiv.innerHTML, "abc", 
     "Even if 'mouseup' event is consumed, paste should be done"); 
  is(pasteEventCount, 1, 
     "Even if 'mouseup' event is consumed, 'paste' event should be fired once"); 
  is(beforeInputEvents.length, 1, 
     'One "beforeinput" event should be fired even if "mouseup" event is canceled (contenteditable)'); 
  checkInputEvent(beforeInputEvents[0], "insertFromPaste", null, [{type: "text/plain", data: "abc"}], selectionRanges, 
                  'even if "mouseup" event is canceled (contenteditable)'); 
  is(inputEvents.length, 1, 
     'One "input" event should be fired even if "mouseup" event is canceled (contenteditable)'); 
  checkInputEvent(inputEvents[0], "insertFromPaste", null, [{type: "text/plain", data: "abc"}], [], 
                  'even if "mouseup" event is canceled (contenteditable)'); 
  aEditableDiv.innerHTML = ""; 
 
  await copyPlaintext("abc"); 
  aEditableDiv.focus(); 
  aEditableDiv.addEventListener("click", (event) => { event.preventDefault(); }, {once: true}); 
  pasteEventCount = 0; 
  beforeInputEvents = []; 
  inputEvents = []; 
  synthesizeMouseAtCenter(aEditableDiv, {button: 1}); 
  is(aEditableDiv.innerHTML, "abc", 
     "Even if 'click' event handler is added to the editing host, paste should not be canceled"); 
  is(pasteEventCount, 1, 
     "Even if 'click' event handler is added to the editing host, 'paste' event should be fired"); 
  is(beforeInputEvents.length, 1, 
     'One "beforeinput" event should be fired even if "click" event is canceled in bubbling phase (contenteditable)'); 
  checkInputEvent(beforeInputEvents[0], "insertFromPaste", null, [{type: "text/plain", data: "abc"}], selectionRanges, 
                  'even if "click" event is canceled in bubbling phase (contenteditable)'); 
  is(inputEvents.length, 1, 
     'One "input" event should be fired even if "click" event is canceled in bubbling phase (contenteditable)'); 
  checkInputEvent(inputEvents[0], "insertFromPaste", null, [{type: "text/plain", data: "abc"}], [], 
                  'even if "click" event is canceled in bubbling phase (contenteditable)'); 
  aEditableDiv.innerHTML = ""; 
 
  await copyPlaintext("abc"); 
  aEditableDiv.focus(); 
  aEditableDiv.addEventListener("auxclick", (event) => { event.preventDefault(); }, {once: true}); 
  pasteEventCount = 0; 
  beforeInputEvents = []; 
  inputEvents = []; 
  synthesizeMouseAtCenter(aEditableDiv, {button: 1}); 
  is(aEditableDiv.innerHTML, "", 
     "If 'auxclick' event is consumed, paste should be canceled"); 
  is(pasteEventCount, 0, 
     "If 'auxclick' event is consumed, 'paste' event should not be fired"); 
  is(beforeInputEvents.length, 0, 
     'No "beforeinput" event should be fired if "auxclick" event is canceled (contenteditable)'); 
  is(inputEvents.length, 0, 
     'No "input" event should be fired if "auxclick" event is canceled (contenteditable)'); 
  aEditableDiv.innerHTML = ""; 
 
  await copyPlaintext("abc"); 
  aEditableDiv.focus(); 
  aEditableDiv.addEventListener("paste", (event) => { event.preventDefault(); }, {once: true}); 
  pasteEventCount = 0; 
  beforeInputEvents = []; 
  inputEvents = []; 
  synthesizeMouseAtCenter(aEditableDiv, {button: 1}); 
  is(aEditableDiv.innerHTML, "", 
     "If 'paste' event is consumed, paste should be canceled"); 
  is(pasteEventCount, 1, 
     'One "paste" event should be fired for making it possible to consume'); 
  is(beforeInputEvents.length, 0, 
     'No "beforeinput" event should be fired if "paste" event is canceled (contenteditable)'); 
  is(inputEvents.length, 0, 
     'No "input" event should be fired if "paste" event is canceled (contenteditable)'); 
  aEditableDiv.innerHTML = ""; 
 
  await copyPlaintext("abc"); 
  aEditableDiv.focus(); 
  aEditableDiv.addEventListener("beforeinput", (event) => { event.preventDefault(); }, {once: true}); 
  pasteEventCount = 0; 
  beforeInputEvents = []; 
  inputEvents = []; 
  synthesizeMouseAtCenter(aEditableDiv, {button: 1}); 
  is(aEditableDiv.innerHTML, "", 
     "If 'paste' event is consumed, paste should be canceled"); 
  is(pasteEventCount, 1, 
     'One "paste" event should be fired before "beforeinput" event'); 
  is(beforeInputEvents.length, 1, 
     'One "beforeinput" event should be fired for making it possible to consume (contenteditable)'); 
  checkInputEvent(beforeInputEvents[0], "insertFromPaste", null, [{type: "text/plain", data: "abc"}], selectionRanges, 
                  'when "beforeinput" will be canceled (contenteditable)'); 
  is(inputEvents.length, 0, 
     'No "input" event should be fired if "beforeinput" event is canceled (contenteditable)'); 
  aEditableDiv.innerHTML = ""; 
 
  // If clipboard event is disabled, InputEvent.dataTransfer should have only empty string. 
  await SpecialPowers.pushPrefEnv({"set": [["dom.event.clipboardevents.enabled", false]]}); 
  await copyPlaintext("abc"); 
  aEditableDiv.focus(); 
  pasteEventCount = 0; 
  beforeInputEvents = []; 
  inputEvents = []; 
  synthesizeMouseAtCenter(aEditableDiv, {button: 1}); 
  is(aEditableDiv.innerHTML, "abc", 
     "Even if clipboard event is disabled, paste should be done"); 
  is(pasteEventCount, 0, 
     "If clipboard event is disabled, 'paste' event shouldn't be fired once"); 
  is(beforeInputEvents.length, 1, 
     'One "beforeinput" event should be fired even if clipboard event is disabled (contenteditable)'); 
  checkInputEvent(beforeInputEvents[0], "insertFromPaste", null, [{type: "text/plain", data: ""}], selectionRanges, 
                  "when clipboard event is disabled (contenteditable)"); 
  is(inputEvents.length, 1, 
     'One "input" event should be fired even if clipboard event is disabled (contenteditable)'); 
  checkInputEvent(inputEvents[0], "insertFromPaste", null, [{type: "text/plain", data: ""}], [], 
                  "when clipboard event is disabled (contenteditable)"); 
  await SpecialPowers.pushPrefEnv({"set": [["dom.event.clipboardevents.enabled", true]]}); 
  aEditableDiv.innerHTML = ""; 
 
  aEditableDiv.removeEventListener("paste", pasteEventLogger); 
 
  // Oddly, copyHTMLContent fails randomly only on Linux.  Let's skip this. 
  if (navigator.platform.startsWith("Linux")) { 
    aEditableDiv.removeEventListener("input", onInput); 
    return; 
  } 
 
  await copyHTMLContent("abcdefghi"); 
  aEditableDiv.focus(); 
  beforeInputEvents = []; 
  inputEvents = []; 
  synthesizeMouseAtCenter(aEditableDiv, {button: 1, ctrlKey: true}); 
  if (!navigator.appVersion.includes("Android")) { 
    is(aEditableDiv.innerHTML, 
       "<blockquote type=\"cite\">abcdefghi</blockquote>", 
       "Pasted HTML content should be set to the <blockquote>"); 
  } else { 
    // Oddly, on Android, we use <br> elements for pasting  elements. 
    is(aEditableDiv.innerHTML, 
       "<blockquote type=\"cite\">abc def ghi</blockquote>", 
       "Pasted HTML content should be set to the <blockquote>"); 
  } 
  // On windows, HTML clipboard includes extra data. 
  // The values are from widget/windows/nsDataObj.cpp. 
  const kHTMLPrefix = (navigator.platform.includes("Win")) ? kTextHtmlPrefixClipboardDataWindows : ""; 
  const kHTMLPostfix = (navigator.platform.includes("Win")) ? kTextHtmlSuffixClipboardDataWindows : ""; 
  is(beforeInputEvents.length, 1, 
     'One "beforeinput" event should be fired when pasting HTML'); 
  checkInputEvent(beforeInputEvents[0], "insertFromPasteAsQuotation", null, 
                  [{type: "text/html", 
                    data: `${kHTMLPrefix}abcdefghi${kHTMLPostfix}`}], 
                  selectionRanges, 
                  "when pasting HTML"); 
  is(inputEvents.length, 1, 
     'One "input" event should be fired when pasting HTML'); 
  checkInputEvent(inputEvents[0], "insertFromPasteAsQuotation", null, 
                  [{type: "text/html", 
                    data: `${kHTMLPrefix}abcdefghi${kHTMLPostfix}`}], 
                  [], 
                  "when pasting HTML"); 
  aEditableDiv.innerHTML = ""; 
 
  aEditableDiv.removeEventListener("beforeinput", onBeforeInput); 
  aEditableDiv.removeEventListener("input", onInput); 
} 
 
async function doNestedEditorTests(aEditableDiv) { 
  await copyPlaintext("CLIPBOARD TEXT"); 
  aEditableDiv.innerHTML = 'foo<textarea id="textarea">

';
  aEditableDiv.focus();
  let textarea = document.getElementById("textarea");
  let pasteTarget = null;
  function onPaste(aEvent) {
    pasteTarget = aEvent.target;
  }
  document.addEventListener("paste", onPaste);

  synthesizeMouseAtCenter(textarea, {button: 1});
  is(pasteTarget.getAttribute("id"), "textarea",
     "Target of 'paste' event should be the clicked ',
     "Pasting in the

shouldn't be handled by the HTMLEditor"); 
 
  textarea.value = ""; 
  textarea.readOnly = true; 
  pasteTarget = null; 
  synthesizeMouseAtCenter(textarea, {button: 1}); 
  is(pasteTarget, textarea, 
     "Target of 'paste' event should be the clicked <textarea> even if it's read-only"); 
  is(textarea.value, "", 
     "Clicking in read-only <textarea> in an editable <div> should not paste the clipboard text into the read-only <textarea>"); 
  // HTMLEditor thinks that read-only <textarea> is not modifiable. 
  // Therefore, HTMLEditor does not paste the text. 
  is(aEditableDiv.innerHTML, 'foo<textarea id="textarea" readonly="">

',
"Clicking in read-only

shouldn't cause pasting the clipboard text into its parent HTMLEditor"); 
 
  textarea.value = ""; 
  textarea.readOnly = false; 
  textarea.disabled = true; 
  pasteTarget = null; 
  synthesizeMouseAtCenter(textarea, {button: 1}); 
  // Although, this compares with <textarea>, I'm not sure it's proper event 
  // target because of disabled <textarea>. 
  todo_is(pasteTarget, textarea, 
          "Target of 'paste' event should be the clicked <textarea> even if it's disabled"); 
  is(textarea.value, "", 
     "Clicking in disabled <textarea> in an editable <div> should not paste the clipboard text into the disabled <textarea>"); 
  // HTMLEditor thinks that disabled <textarea> is not modifiable. 
  // Therefore, HTMLEditor does not paste the text. 
  is(aEditableDiv.innerHTML, 'foo<textarea id="textarea" disabled="">

',
"Clicking in disabled

shouldn't cause pasting the clipboard text into its parent HTMLEditor"); 
 
  document.removeEventListener("paste", onPaste); 
  aEditableDiv.innerHTML = ""; 
} 
 
async function doAfterRemoveOfClickedElementTest(aEditableDiv) { 
  await copyPlaintext("CLIPBOARD TEXT"); 
  aEditableDiv.innerHTML = 'foobar'; 
  aEditableDiv.focus(); 
  let span = document.getElementById("span"); 
  let pasteTarget = null; 
  document.addEventListener("paste", (aEvent) => { pasteTarget = aEvent.target; }, {once: true}); 
  document.addEventListener("auxclick", (aEvent) => { 
    is(aEvent.target.getAttribute("id"), "span", 
       "Target of auxclick event should be the element"); 
    span.parentElement.removeChild(span); 
  }, {once: true}); 
  synthesizeMouseAtCenter(span, {button: 1}); 
  is(pasteTarget.getAttribute("id"), "p", 
     "Target of 'paste' event should be the element since has gone"); 
  // XXX Currently, pasted to start of the  because EventStateManager 
  //     do not recompute event target frame. 
  todo_is(aEditableDiv.innerHTML, 'fooCLIPBOARD TEXT', 
          "Clipbpard text should looks like replacing the element"); 
  aEditableDiv.innerHTML = ""; 
} 
 
async function doNotStartAutoscrollInContentEditable(aEditableDiv) { 
  await SpecialPowers.pushPrefEnv({"set": [["general.autoScroll", true]]}); 
  await copyPlaintext("CLIPBOARD TEXT"); 
  aEditableDiv.innerHTML = 'foobar'; 
  aEditableDiv.focus(); 
  let span = document.getElementById("span"); 
  synthesizeMouseAtCenter(span, {button: 1}); 
  ok(aEditableDiv.innerHTML.includes("CLIPBOARD TEXT"), 
    "Clipbpard text should be inserted"); 
  aEditableDiv.innerHTML = ""; 
} 
 
async function doTests() { 
  await SpecialPowers.pushPrefEnv({"set": [["middlemouse.paste", true], 
                                           ["middlemouse.contentLoadURL", false], 
                                           ["dom.event.clipboardevents.enabled", true]]}); 
  let container = document.getElementById("container"); 
  container.innerHTML = "<textarea id=\"editor\">

";
await doTextareaTests(document.getElementById("editor"));
container.innerHTML = "

editor\" contenteditable style=\"min-height: 1em;\">

";
 await doContenteditableTests(document.getElementById("editor"));
 await doNestedEditorTests(document.getElementById("editor"));
 await doAfterRemoveOfClickedElementTest(document.getElementById("editor"));
 // NOTE: The following test sets `general.autoScroll` to true.
 await doNotStartAutoscrollInContentEditable(document.getElementById("editor"));
 SimpleTest.finish();
}

SimpleTest.waitForFocus(doTests);
</script>
</pre>
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