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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
import assert from "../assert.js";
let testAssertMessageHead, testAssertMessage;
describe("assert", () => {
beforeEach(() => {
testAssertMessageHead = "Assertion failure: ";
testAssertMessage = "Test assert.js Message";
});
describe("when condition is truthy", () => {
it("does not throw an Error", () => {
expect(() => {
assert(true, testAssertMessage);
}).not.toThrow();
});
});
describe("when condition is falsy", () => {
it("throws an Error displaying the passed message", () => {
expect(() => {
assert(false, testAssertMessage);
}).toThrow(new Error(testAssertMessageHead + testAssertMessage));
});
});
});
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