svelte/test/runtime/samples/binding-input-number-2/_config.js

export default {
	test({ assert, target, window, component }) {
		const input = target.querySelector("input");
		const inputEvent = new window.InputEvent("input");
		assert.equal(component.value, 5);
		assert.equal(input.value, "5");

		input.value = "5.";
		input.dispatchEvent(inputEvent);

		// input type number has value === "" if ends with dot/comma
		assert.equal(component.value, undefined);
		assert.equal(input.value, "");

		input.value = "5.5";
		input.dispatchEvent(inputEvent);

		assert.equal(component.value, 5.5);
		assert.equal(input.value, "5.5");

		input.value = "5.50";
		input.dispatchEvent(inputEvent);

		assert.equal(component.value, 5.5);
		assert.equal(input.value, "5.50");

		component.value = 1;
		assert.equal(component.value, 1);
		assert.equal(input.value, "1");
	},
};