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test((t) => {
const form = document.createElement("form");
const textarea = document.createElement("textarea");
textarea.name = "linebreakTest";
textarea.textContent = "a\nb\rc\r\nd\n\re";
form.appendChild(textarea);
document.body.appendChild(form);
t.add_cleanup(() => {
document.body.removeChild(form);
});
assert_equals(textarea.textContent, "a\nb\rc\r\nd\n\re");
assert_equals(textarea.value, "a\nb\nc\nd\n\ne");
const formData = new FormData(form);
assert_equals(
formData.get("linebreakTest"),
"a\nb\nc\nd\n\ne",
);
}, "Textarea wrapping transformation: Newlines should be normalized to LF.");
test((t) => {
const form = document.createElement("form");
const textarea = document.createElement("textarea");
textarea.name = "wrapTest";
textarea.cols = 10;
textarea.wrap = "hard";
textarea.textContent =
"Some text that is too long for the specified character width.";
form.appendChild(textarea);
document.body.appendChild(form);
t.add_cleanup(() => {
document.body.removeChild(form);
});
assert_true(
!textarea.textContent.includes("\n") &&
!textarea.textContent.includes("\r"),
"textContent shouldn't contain any newlines",
);
assert_true(
!textarea.textContent.includes("\n") &&
!textarea.textContent.includes("\r"),
"The API value shouldn't be line wrapped.",
);
const formData = new FormData(form);
const formDataValue = formData.get("wrapTest");
assert_true(
!formDataValue.includes("\r"),
"The wrapping done on the value must be LF, not CRLF.",
);
assert_true(
formDataValue.includes("\n"),
"The value must be wrapped.",
);
}, "Textarea wrapping transformation: Wrapping happens with LF newlines.");
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