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Test Info: Warnings

/* Any copyright is dedicated to the Public Domain.
// Tests the DEVTOOLS_JAVASCRIPT_ERROR_DISPLAYED telemetry event.
"use strict";
const TEST_URI = `data:text/html,<!DOCTYPE html><meta charset=utf8><script>document()</script>`;
add_task(async function () {
startTelemetry();
const hud = await openNewTabAndConsole(TEST_URI);
info(
"Check that the error message is logged in telemetry with the expected key"
);
await waitFor(() => findErrorMessage(hud, "is not a function"));
checkErrorDisplayedTelemetry("JSMSG_NOT_FUNCTION", 1);
await reloadBrowser();
info("Reloading the page (and having the same error) increments the sum");
await waitFor(() => findErrorMessage(hud, "is not a function"));
checkErrorDisplayedTelemetry("JSMSG_NOT_FUNCTION", 2);
info(
"Evaluating an expression resulting in the same error increments the sum"
);
await executeAndWaitForErrorMessage(
hud,
"window()",
"window is not a function"
);
checkErrorDisplayedTelemetry("JSMSG_NOT_FUNCTION", 3);
info(
"Evaluating an expression resulting in another error is logged in telemetry"
);
await executeAndWaitForErrorMessage(
hud,
`"a".repeat(-1)`,
"repeat count must be non-negative"
);
checkErrorDisplayedTelemetry("JSMSG_NEGATIVE_REPETITION_COUNT", 1);
await executeAndWaitForErrorMessage(
hud,
`"b".repeat(-1)`,
"repeat count must be non-negative"
);
checkErrorDisplayedTelemetry("JSMSG_NEGATIVE_REPETITION_COUNT", 2);
});
function checkErrorDisplayedTelemetry(key, count) {
checkTelemetry(
"DEVTOOLS_JAVASCRIPT_ERROR_DISPLAYED",
key,
{ 0: 0, 1: count, 2: 0 },
"array"
);
}