newline-normalization-cr-then-lf.html

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This WPT test may be referenced by the following Test IDs:
- /html/syntax/parsing/newline-normalization-cr-then-lf.html - WPT Dashboard Interop Dashboard

<meta charset="UTF-8">

<title>Newline normalization: \r followed by plain text then \n</title>

<script src=/resources/testharness.js></script>

<script src=/resources/testharnessreport.js></script>

<script>

function parseHTML(html) {

    var parser = new DOMParser();

    return parser.parseFromString(html, "text/html");

// \r followed by non-newline characters followed by \n should produce two

// separate newlines: the \r is normalized to \n per the spec, and the

// subsequent \n must be preserved since they are NOT a \r\n pair.

// DOMParser is used so that raw \r bytes reach the input stream preprocessor.

test(function() {

    var doc = parseHTML("<body><div>before\rABCDEF\nafter</div></body>");

    var div = doc.querySelector("div");

    assert_equals(div.textContent, "before\nABCDEF\nafter");

}, "Text content: \\r followed by plain text then \\n produces two newlines");

test(function() {

    var doc = parseHTML('<body><input value="before\rABCDEF\nafter"></body>');

    var input = doc.querySelector("input");

    assert_equals(input.getAttribute("value"), "before\nABCDEF\nafter");

}, "Double-quoted attribute: \\r followed by plain text then \\n produces two newlines");

test(function() {

    var doc = parseHTML("<body><input value='before\rABCDEF\nafter'></body>");

    var input = doc.querySelector("input");

    assert_equals(input.getAttribute("value"), "before\nABCDEF\nafter");

}, "Single-quoted attribute: \\r followed by plain text then \\n produces two newlines");

// Verify that actual \r\n pairs still collapse to a single \n.

test(function() {

    var doc = parseHTML("<body><div>before\r\nafter</div></body>");

    var div = doc.querySelector("div");

    assert_equals(div.textContent, "before\nafter");

}, "Text content: \\r\\n collapses to single newline");

test(function() {

    var doc = parseHTML('<body><input value="before\r\nafter"></body>');

    var input = doc.querySelector("input");

    assert_equals(input.getAttribute("value"), "before\nafter");

}, "Double-quoted attribute: \\r\\n collapses to single newline");

test(function() {

    var doc = parseHTML("<body><input value='before\r\nafter'></body>");

    var input = doc.querySelector("input");

    assert_equals(input.getAttribute("value"), "before\nafter");

}, "Single-quoted attribute: \\r\\n collapses to single newline");

</script>