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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Check that the NetworkObserver constructor validates its arguments.
add_task(async function testInvalidConstructorArguments() {
Assert.throws(
() => new NetworkObserver(),
/Expected "ignoreChannelFunction" to be a function, got undefined/,
"NetworkObserver constructor should throw if no argument was provided"
);
Assert.throws(
() => new NetworkObserver({}),
/Expected "ignoreChannelFunction" to be a function, got undefined/,
"NetworkObserver constructor should throw if ignoreChannelFunction was not provided"
);
const invalidValues = [null, true, false, 12, "str", ["arr"], { obj: "obj" }];
for (const invalidValue of invalidValues) {
Assert.throws(
() => new NetworkObserver({ ignoreChannelFunction: invalidValue }),
/Expected "ignoreChannelFunction" to be a function, got/,
`NetworkObserver constructor should throw if a(n) ${typeof invalidValue} was provided for ignoreChannelFunction`
);
}
const EMPTY_FN = () => {};
Assert.throws(
() => new NetworkObserver({ ignoreChannelFunction: EMPTY_FN }),
/Expected "onNetworkEvent" to be a function, got undefined/,
"NetworkObserver constructor should throw if onNetworkEvent was not provided"
);
// Now we will pass a function for `ignoreChannelFunction`, and will do the
// same tests for onNetworkEvent
for (const invalidValue of invalidValues) {
Assert.throws(
() =>
new NetworkObserver({
ignoreChannelFunction: EMPTY_FN,
onNetworkEvent: invalidValue,
}),
/Expected "onNetworkEvent" to be a function, got/,
`NetworkObserver constructor should throw if a(n) ${typeof invalidValue} was provided for onNetworkEvent`
);
}
});
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