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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /mathml/mathml-console-messages.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset="utf-8">
<title>Test MathML console messages</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<script>
const MessageLevel = {
ERROR: 0,
WARNING: 1,
};
function retrieveConsoleMessagesFor(markup) {
return new Promise(resolve => {
const iframe = document.createElement('iframe');
iframe.srcdoc = `<!DOCTYPE html>
<script>let messages = [];
SpecialPowers.registerConsoleListener(msg => {
if (msg.message == "SENTINEL") {
window.parent.postMessage(messages);
} else if (msg.isScriptError) {
messages.push(msg);
}
});
window.addEventListener("load", () => SpecialPowers.postConsoleSentinel());
<\/script>
<body>${markup}</body>`;
window.addEventListener("message", event => {
iframe.remove();
resolve(event.data);
}, {once: true});
document.body.appendChild(iframe);
});
}
function testMessageForMarkup(markup, regexp, level) {
promise_test(async function() {
let messages = await retrieveConsoleMessagesFor(markup);
// Sometimes MathML messages are logged several times, so just
// ensure there is at least one.
assert_greater_than_equal(messages.length, 1);
// Compare against the regexp.
assert_regexp_match(messages[0].errorMessage, regexp);
// Check whether this is a warning or an error.
assert_equals(messages[0].isWarning, level == MessageLevel.WARNING);
}, `Message for ${markup}`);
}
function testNoMessageForMarkup(markup) {
promise_test(async function() {
let messages = await retrieveConsoleMessagesFor(markup);
assert_equals(messages.length, 0);
}, `No message for ${markup}`);
}
// ChildCountIncorrect
[
"mroot",
"msub",
"msup",
"mfrac",
"msubsup",
"munderover",
].forEach(tag => {
testMessageForMarkup(
`<math><${tag}></${tag}></math>`,
new RegExp(`Incorrect number of children for <${tag}/>`),
MessageLevel.ERROR);
});
// AttributeParsingError
[
"width",
"height",
"voffset",
].forEach(attribute => {
testMessageForMarkup(
`<math><mpadded ${attribute}="BAD!"></mpadded></math>`,
new RegExp(`Error in parsing the value ‘BAD!’ for ‘${attribute}’ attribute`),
MessageLevel.ERROR);
});
// LengthParsingError
[
'<math><mo rspace="2..0px">+</mo></math>',
'<math><mo minsize="1.5notaunit">+</mo></math>',
'<math><mspace width="2"/></math>',
'<math><mo lspace="BADlspace">+</mo></math>',
'<math><mspace height="BADheight"/></math>',
'<math><mspace depth="BADdepth"/></math>',
'<math><mfrac linethickness="thin"><mn>1</mn><mn>2</mn></mfrac></math>',
'<math><mfrac linethickness="medium"><mn>1</mn><mn>2</mn></mfrac></math>',
'<math><mfrac linethickness="thick"><mn>1</mn><mn>2</mn></mfrac></math>',
'<math><mstyle mathsize="small"></mstyle></math>',
'<math><mstyle mathsize="normal"></mstyle></math>',
'<math><mstyle mathsize="big"></mstyle></math>',
'<math><mspace width="12345."/></math>',
'<math><mo minsize="17">+</mo></math>',
].forEach(markup => {
const value = /="([a-zA-Z0-9.]+)"/.exec(markup)[1];
testMessageForMarkup(
markup,
new RegExp(`Error in parsing MathML attribute value ‘${value}’`),
MessageLevel.ERROR);
});
// MathML_DeprecatedMathSpaceValueWarning
[
'<math><mspace width="mediummathspace"></mspace></math>',
'<math><mspace width="negativemediummathspace"></mspace></math>',
'<math><mspace width="negativethickmathspace"></mspace></math>',
'<math><mspace width="negativethinmathspace"></mspace></math>',
'<math><mspace width="negativeverythickmathspace"></mspace></math>',
'<math><mspace width="negativeverythinmathspace"></mspace></math>',
'<math><mspace width="negativeveryverythickmathspace"></mspace></math>',
'<math><mspace width="negativeveryverythinmathspace"></mspace></math>',
'<math><mspace width="thickmathspace"></mspace></math>',
'<math><mspace width="thinmathspace"></mspace></math>',
'<math><mspace width="verythickmathspace"></mspace></math>',
'<math><mspace width="verythinmathspace"></mspace></math>',
'<math><mspace width="veryverythickmathspace"></mspace></math>',
'<math><mspace width="veryverythinmathspace"></mspace></math>',
].forEach(markup => {
const value = /="([a-zA-Z0-9.]+)"/.exec(markup)[1];
testMessageForMarkup(
markup,
new RegExp(`MathML length value “${value}” is deprecated`),
MessageLevel.WARNING);
});
// InvalidChild
[
`<math>
<msubsup>
<mprescripts/>
</msubsup>
</math>`,
`<math>
<msubsup>
<mprescripts/>
<mprescripts/>
</msubsup>
</math>`,
`<math>
<msub>
<mtext>a</mtext>
<mprescripts/>
<mtext>a</mtext>
<mprescripts/>
</msub>
</math>`,
'<math><msub><mn>0</mn><mprescripts/></msub></math>',
'<math><msup><mn>0</mn><mprescripts/></msup></math>',
'<math><msubsup><mn>0</mn><mn>1</mn><mprescripts/></msubsup></math>',
].forEach(markup => {
const tag = /<math>\s*<([a-z]+)>/.exec(markup)[1];
testMessageForMarkup(
markup,
new RegExp(`<mprescripts> is not allowed as a child of <${tag}>`),
MessageLevel.ERROR);
});
// NoBase
testMessageForMarkup(
`<math><mmultiscripts></mmultiscripts></math>`,
/Expected exactly one Base element/,
MessageLevel.ERROR
);
// AttributeParsingErrorNoTag
testMessageForMarkup(
`<math scriptlevel="BAD!"></math>`,
/Error in parsing the value ‘BAD!’ for ‘scriptlevel’ attribute/,
MessageLevel.ERROR
);
// DuplicateMprescripts
testMessageForMarkup(
`<math>
<mmultiscripts>
<mprescripts/>
<mprescripts/>
</mmultiscripts>
</math>`,
/More than one <mprescripts\/>/,
MessageLevel.ERROR);
// SubSupMismatch
[
`<math>
<mmultiscripts>
<mi>x</mi>
<mi>y</mi>
</mmultiscripts>
</math>`,
`<math>
<mmultiscripts>
<mtext>b</mtext>
<mtext>c</mtext>
<mprescripts/>
<mtext>a</mtext>
</mmultiscripts>
</math>`,
].forEach(markup => {
testMessageForMarkup(
markup,
/Incomplete subscript\/superscript pair/,
MessageLevel.ERROR);
});
// MathML_DeprecatedMathVariantWarning
testNoMessageForMarkup('<math><mi mathvariant="normal">A</mi></math>');
[
"bold",
"italic",
"bold-italic",
"script",
"bold-script",
"fraktur",
"double-struck",
"bold-fraktur",
"sans-serif",
"bold-sans-serif",
"sans-serif-italic",
"sans-serif-bold-italic",
"monospace",
"initial",
"tailed",
"looped",
"stretched"
].forEach((value) => {
testMessageForMarkup(
`<math><mi mathvariant="${value}">A</mi></math>`,
new RegExp(`mathvariant='${value}'” .* deprecated`),
MessageLevel.WARNING);
});
</script>
</body>