Mypal/dom/heapsnapshot/tests/unit/test_HeapAnalyses_takeCensu...

49 lines
1.3 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
// Test that the HeapAnalyses{Client,Worker} bubbles errors properly when things
// go wrong.
function run_test() {
run_next_test();
}
add_task(function* () {
const client = new HeapAnalysesClient();
// Snapshot file path to a file that doesn't exist.
let failed = false;
try {
yield client.readHeapSnapshot(getFilePath("foo-bar-baz" + Math.random(), true));
} catch (e) {
failed = true;
}
ok(failed, "should not read heap snapshots that do not exist");
// Snapshot file path to a file that is not a heap snapshot.
failed = false;
try {
yield client.readHeapSnapshot(getFilePath("test_HeapAnalyses_takeCensus_03.js"));
} catch (e) {
failed = true;
}
ok(failed, "should not be able to read a file that is not a heap snapshot as a heap snapshot");
const snapshotFilePath = saveNewHeapSnapshot();
yield client.readHeapSnapshot(snapshotFilePath);
ok(true, "Should have read the heap snapshot");
// Bad census breakdown options.
failed = false;
try {
yield client.takeCensus(snapshotFilePath, {
breakdown: { by: "some classification that we do not have" }
});
} catch (e) {
failed = true;
}
ok(failed, "should not be able to breakdown by an unknown classification");
client.destroy();
});