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Test Info:

<!DOCTYPE html>
<html>
<head>
<title>Test for TextEditor::HandleNewLinesInStringForSingleLineEditor()</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>
<p id="display"></p>
<div id="content" style="display: none;">
</div>
<div id="container"></div>
<textarea id="toCopyPlaintext" style="display: none;"></textarea>
<pre id="test">
<script class="testbody" type="application/javascript">
SimpleTest.waitForExplicitFinish();
async function copyPlaintext(aText) {
return new Promise(resolve => {
SimpleTest.waitForClipboard(
aText.replace(/\r\n?/g, "\n"),
() => {
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.replace(/\n/g, "\\n").replace(/\r/g, "\\r").replace(/ /g, "\u00A0")}" to clipboard`);
let element = document.getElementById("toCopyPlaintext");
element.style.display = "none";
resolve();
},
() => {
SimpleTest.finish();
});
});
}
async function doTests() {
// nsIEditor::eNewlinesPasteIntact (0):
// only remove the leading and trailing newlines.
// nsIEditor::eNewlinesPasteToFirst (1) or any other value:
// remove the first newline and all characters following it.
// nsIEditor::eNewlinesReplaceWithSpaces (2, Firefox default):
// replace newlines with spaces.
// nsIEditor::eNewlinesStrip (3):
// remove newlines from the string.
// nsIEditor::eNewlinesReplaceWithCommas (4, Thunderbird default):
// replace newlines with commas.
// nsIEditor::eNewlinesStripSurroundingWhitespace (5):
// collapse newlines and surrounding whitespace characters and
// remove them from the string.
// value: setting or pasting text.
// expected: array of final values for each above pref value.
// setValue: expected result when HTMLInputElement.value is set to the value.
// pasteValue: expected result when pasting the value from clipboard.
//
// Note that HTMLInputElement strips both \r and \n. Therefore, each expected
// result is different from pasting the value.
const kTests = [
{ value: "\nabc\ndef\n",
expected: [{ setValue: "abcdef", pasteValue: "abc\ndef" },
{ setValue: "abcdef", pasteValue: "abc" },
{ setValue: "abcdef", pasteValue: " abc def" },
{ setValue: "abcdef", pasteValue: "abcdef" },
{ setValue: "abcdef", pasteValue: "abc,def" },
{ setValue: "abcdef", pasteValue: "abcdef" }],
},
{ value: "\n abc \n def \n",
expected: [{ setValue: " abc def ", pasteValue: " abc \n def " },
{ setValue: " abc def ", pasteValue: " abc " },
{ setValue: " abc def ", pasteValue: " abc def " },
{ setValue: " abc def ", pasteValue: " abc def " },
{ setValue: " abc def ", pasteValue: " abc , def " },
{ setValue: " abc def ", pasteValue: "abcdef" }],
},
{ value: " abc \n def ",
expected: [{ setValue: " abc def ", pasteValue: " abc \n def " },
{ setValue: " abc def ", pasteValue: " abc " },
{ setValue: " abc def ", pasteValue: " abc def " },
{ setValue: " abc def ", pasteValue: " abc def " },
{ setValue: " abc def ", pasteValue: " abc , def " },
{ setValue: " abc def ", pasteValue: " abcdef " }],
},
];
let container = document.getElementById("container");
for (let i = 0; i <= 5; i++) {
await SpecialPowers.pushPrefEnv({"set": [["editor.singleLine.pasteNewlines", i]]});
container.innerHTML = `<input id="input${i}" type="text">`;
let input = document.getElementById(`input${i}`);
input.focus();
let editor = SpecialPowers.wrap(input).editor;
for (const kLineBreaker of ["\n", "\r", "\r\n"]) {
for (let kTest of kTests) {
let value = kTest.value.replace(/\n/g, kLineBreaker);
input.value = value;
is(editor.rootElement.firstChild.wholeText, kTest.expected[i].setValue,
`Setting value to "${value.replace(/\n/g, "\\n").replace(/\r/g, "\\r").replace(/ /g, "\u00A0")}" when pref is ${i}`);
input.value = "";
await copyPlaintext(value);
input.focus();
synthesizeKey("v", {accelKey: true});
is(editor.rootElement.firstChild.wholeText, kTest.expected[i].pasteValue,
`Pasting "${value.replace(/\n/g, "\\n").replace(/\r/g, "\\r").replace(/ /g, "\u00A0")}" when pref is ${i}`);
input.value = "";
}
}
}
SimpleTest.finish();
}
SimpleTest.waitForFocus(doTests);
</script>
</pre>
</body>
</html>