71 lines
2.7 KiB
JavaScript
71 lines
2.7 KiB
JavaScript
// META: global=window,worker,shadowrealm
|
|
|
|
'use strict';
|
|
|
|
// Verify that constructor arguments are correctly reflected in the attributes.
|
|
|
|
// Mapping of the first argument to TextDecoderStream to the expected value of
|
|
// the encoding attribute. We assume that if this subset works correctly, the
|
|
// rest probably work too.
|
|
const labelToName = {
|
|
'unicode-1-1-utf-8': 'utf-8',
|
|
'iso-8859-2': 'iso-8859-2',
|
|
'ascii': 'windows-1252',
|
|
'utf-16': 'utf-16le'
|
|
};
|
|
|
|
for (const label of Object.keys(labelToName)) {
|
|
test(() => {
|
|
const stream = new TextDecoderStream(label);
|
|
assert_equals(stream.encoding, labelToName[label], 'encoding should match');
|
|
}, `encoding attribute should have correct value for '${label}'`);
|
|
}
|
|
|
|
for (const falseValue of [false, 0, '', undefined, null]) {
|
|
test(() => {
|
|
const stream = new TextDecoderStream('utf-8', { fatal: falseValue });
|
|
assert_false(stream.fatal, 'fatal should be false');
|
|
}, `setting fatal to '${falseValue}' should set the attribute to false`);
|
|
|
|
test(() => {
|
|
const stream = new TextDecoderStream('utf-8', { ignoreBOM: falseValue });
|
|
assert_false(stream.ignoreBOM, 'ignoreBOM should be false');
|
|
}, `setting ignoreBOM to '${falseValue}' should set the attribute to false`);
|
|
}
|
|
|
|
for (const trueValue of [true, 1, {}, [], 'yes']) {
|
|
test(() => {
|
|
const stream = new TextDecoderStream('utf-8', { fatal: trueValue });
|
|
assert_true(stream.fatal, 'fatal should be true');
|
|
}, `setting fatal to '${trueValue}' should set the attribute to true`);
|
|
|
|
test(() => {
|
|
const stream = new TextDecoderStream('utf-8', { ignoreBOM: trueValue });
|
|
assert_true(stream.ignoreBOM, 'ignoreBOM should be true');
|
|
}, `setting ignoreBOM to '${trueValue}' should set the attribute to true`);
|
|
}
|
|
|
|
test(() => {
|
|
assert_throws_js(RangeError, () => new TextDecoderStream(''),
|
|
'the constructor should throw');
|
|
}, 'constructing with an invalid encoding should throw');
|
|
|
|
test(() => {
|
|
assert_throws_js(TypeError, () => new TextDecoderStream({
|
|
toString() { return {}; }
|
|
}), 'the constructor should throw');
|
|
}, 'constructing with a non-stringifiable encoding should throw');
|
|
|
|
test(() => {
|
|
assert_throws_js(Error,
|
|
() => new TextDecoderStream('utf-8', {
|
|
get fatal() { throw new Error(); }
|
|
}), 'the constructor should throw');
|
|
}, 'a throwing fatal member should cause the constructor to throw');
|
|
|
|
test(() => {
|
|
assert_throws_js(Error,
|
|
() => new TextDecoderStream('utf-8', {
|
|
get ignoreBOM() { throw new Error(); }
|
|
}), 'the constructor should throw');
|
|
}, 'a throwing ignoreBOM member should cause the constructor to throw');
|