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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /eventsource/format-field-id-3.window.html - WPT Dashboard Interop Dashboard
const ID_PERSISTS = 1,
ID_RESETS_1 = 2,
ID_RESETS_2 = 3;
async_test(testPersist, "EventSource: lastEventId persists");
async_test(testReset(ID_RESETS_1), "EventSource: lastEventId resets");
async_test(testReset(ID_RESETS_2), "EventSource: lastEventId resets (id without colon)");
function testPersist(t) {
const source = new EventSource("resources/last-event-id2.py?type=" + ID_PERSISTS);
let counter = 0;
t.add_cleanup(() => source.close());
source.onmessage = t.step_func(e => {
counter++;
if (counter === 1) {
assert_equals(e.lastEventId, "1");
assert_equals(e.data, "1");
} else if (counter === 2) {
assert_equals(e.lastEventId, "1");
assert_equals(e.data, "2");
} else if (counter === 3) {
assert_equals(e.lastEventId, "2");
assert_equals(e.data, "3");
} else if (counter === 4) {
assert_equals(e.lastEventId, "2");
assert_equals(e.data, "4");
t.done();
} else {
assert_unreached();
}
});
}
function testReset(type) {
return function (t) {
const source = new EventSource("resources/last-event-id2.py?type=" + type);
let counter = 0;
t.add_cleanup(() => source.close());
source.onmessage = t.step_func(e => {
counter++;
if (counter === 1) {
assert_equals(e.lastEventId, "1");
assert_equals(e.data, "1");
} else if (counter === 2) {
assert_equals(e.lastEventId, "");
assert_equals(e.data, "2");
} else if (counter === 3) {
assert_equals(e.lastEventId, "");
assert_equals(e.data, "3");
t.done();
} else {
assert_unreached();
}
});
}
}