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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Test that buffer status is correctly updated in recording models.
*/
var BUFFER_SIZE = 20000;
var config = { bufferSize: BUFFER_SIZE };
const { PerformanceFront } = require("devtools/shared/fronts/performance");
add_task(function* () {
let browser = yield addTab(MAIN_DOMAIN + "doc_perf.html");
let doc = browser.contentDocument;
initDebuggerServer();
let client = new DebuggerClient(DebuggerServer.connectPipe());
let form = yield connectDebuggerClient(client);
let front = PerformanceFront(client, form);
yield front.connect();
yield front.setProfilerStatusInterval(10);
let model = yield front.startRecording(config);
let stats = yield once(front, "profiler-status");
is(stats.totalSize, BUFFER_SIZE, `profiler-status event has totalSize: ${stats.totalSize}`);
ok(stats.position < BUFFER_SIZE, `profiler-status event has position: ${stats.position}`);
ok(stats.generation >= 0, `profiler-status event has generation: ${stats.generation}`);
ok(stats.isActive, "profiler-status event is isActive");
is(typeof stats.currentTime, "number", "profiler-status event has currentTime");
// Halt once more for a buffer status to ensure we're beyond 0
yield once(front, "profiler-status");
let lastBufferStatus = 0;
let checkCount = 0;
while (lastBufferStatus < 1) {
let currentBufferStatus = front.getBufferUsageForRecording(model);
ok(currentBufferStatus > lastBufferStatus, `buffer is more filled than before: ${currentBufferStatus} > ${lastBufferStatus}`);
lastBufferStatus = currentBufferStatus;
checkCount++;
yield once(front, "profiler-status");
}
ok(checkCount >= 1, "atleast 1 event were fired until the buffer was filled");
is(lastBufferStatus, 1, "buffer usage cannot surpass 100%");
yield front.stopRecording(model);
is(front.getBufferUsageForRecording(model), null, "buffer usage should be null when no longer recording.");
yield front.destroy();
yield client.close();
gBrowser.removeCurrentTab();
});
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