Function monotonicTest

test/ProgressPlugin.test.js:191–212

(/** @type {(...args: EXPECTED_ANY[]) => EXPECTED_ANY} */ createCompiler)

	const monotonicTest =
		(/** @type {(...args: EXPECTED_ANY[]) => EXPECTED_ANY} */ createCompiler) =>
		() => {
			/** @type {{ value: number, text: string }[]} */
			const handlerCalls = [];
			const compiler = createCompiler({
				handler: (/** @type {number} */ p, /** @type {string[]} */ ...args) => {
					handlerCalls.push({ value: p, text: `${p}% ${args.join(class="st">" ")}` });
				}
			});

			return runCompilerAsync(compiler).then(() => {
				let lastLine = handlerCalls[0];
				for (const line of handlerCalls) {
					if (line.value < lastLine.value) {
						throw new Error(
							`Progress value is not monotonic increasing:\n${lastLine.text}\n${line.text}`
						);
					}
					lastLine = line;
				}
			});
		};

	it(
		class="st">"should have monotonic increasing progress",