19 lines
825 B
JavaScript
19 lines
825 B
JavaScript
test("Multiple runtime.onmessage listeners which resolve to undefined", async (t) => {
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const res = await browser.runtime.sendMessage("test-multiple-onmessage-listeners:resolve-to-undefined");
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if (navigator.userAgent.includes("Firefox/")) {
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t.deepEqual(res, undefined, "Got an undefined value as expected");
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} else {
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// NOTE: When an onMessage listener sends `undefined` in a response,
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// Chrome internally converts it to null and the receiver receives it
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// as a null object.
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t.deepEqual(res, null, "Got a null value as expected on Chrome");
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}
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});
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test("Multiple runtime.onmessage listeners which resolve to null", async (t) => {
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const res = await browser.runtime.sendMessage("test-multiple-onmessage-listeners:resolve-to-null");
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t.deepEqual(res, null, "Got a null value as expected");
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});
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