test/expressions/arrayIndex.js - master - kopython/_hyperscript

test/expressions/arrayIndex.js
119 строк4 KB
Deniz Akşimşek
increase line width
27 май 2021, 22:16
27 май 2021, 22:1659ea0c5
describe("array index operator", function () {
	beforeEach(function () {
		clearWorkArea();
	});
	afterEach(function () {
		clearWorkArea();
	});

	it("can create an array literal", function () {
		var result = evalHyperScript("[1, 2, 3]");
		result.should.deep.equal([1, 2, 3]);
	});

	it("can index an array value at the beginning of the array", function () {
		var d1 = make(
			"<div id='d1' _='on click set newVar to [10, 20, 30] then put newVar[0] into #d1.innerHTML'></div>"
		);
		d1.click();
		d1.innerHTML.should.equal("10");
	});

	it("can index an array value in the middle of the array", function () {
		var d1 = make(
			"<div id='d1' _='on click set newVar to [10, 20, 30] then put newVar[1] into #d1.innerHTML'></div>"
		);
		d1.click();
		d1.innerHTML.should.equal("20");
	});

	it("can index an array value at the end of the array", function () {
		var d1 = make(
			"<div id='d1' _='on click set newVar to [10, 20, 30] then put newVar[2] into #d1.innerHTML'></div>"
		);
		d1.click();
		d1.innerHTML.should.equal("30");
	});

	it("can index an array value", function () {
		var d1 = make(
			"<div id='d1' _='on click set newVar to [10, 20, 30] then put newVar[0] into #d1.innerHTML'></div>"
		);
		d1.click();
		d1.innerHTML.should.equal("10");
	});

	it("can index an array value with an expression", function () {
		var d1 = make(
			'<div id=\'d1\' _=\'on click set newVar to ["A", "B", "C"] then put newVar[1+1] into #d1.innerHTML\'></div>'
		);
		d1.click();
		d1.innerHTML.should.equal("C");
	});

	it("can get the range of first values in an array", function () {
		var d1 = make(`<div id="d1" _="on click set var to [0,1,2,3,4,5] then put var[..3] as String into #d1"></div>`);
		d1.click();
		d1.innerHTML.should.equal("0,1,2,3");
	});

	it("can get the range of middle values in an array", function () {
		var d1 = make(
			`<div id="d1" _="on click set var to [0,1,2,3,4,5] then put var[2 .. 3] as String into #d1"></div>`
		);
		d1.click();
		d1.innerHTML.should.equal("2,3");
	});

	it("can get the range of middle values in an array WITHOUT EXTRA SPACES", function () {
		var d1 = make(
			`<div id="d1" _="on click set var to [0,1,2,3,4,5] then put var[2..3] as String into #d1"></div>`
		);
		d1.click();
		d1.innerHTML.should.equal("2,3");
	});

	it("can get the range of middle values in an array using an expression", function () {
		var d1 = make(
			`<div id="d1" _="on click set index to 3 then set var to [0,1,2,3,4,5] then put var[(index-1)..(index+1)] as String into #d1"></div>`
		);
		d1.click();
		d1.innerHTML.should.equal("2,3,4");
	});

	it("can get the range of last values in an array", function () {
		var d1 = make(
			`<div id="d1" _="on click set var to [0,1,2,3,4,5] then put var[3 ..] as String into #d1"></div>`
		);
		d1.click();
		d1.innerHTML.should.equal("3,4,5");
	});

	it("can get the range of last values in an array WITHOUT EXTRA SPACES", function () {
		var d1 = make(`<div id="d1" _="on click set var to [0,1,2,3,4,5] then put var[3..] as String into #d1"></div>`);
		d1.click();
		d1.innerHTML.should.equal("3,4,5");
	});

	it("errors when index exceeds array length", function () {
		var d1 = make(
			"<div id='d1' _='on click set newVar to [10, 20, 30] then put newVar[10] into #d1.innerHTML'></div>"
		);
		try {
			d1.click();
		} catch (e) {
			console.log(e);
		}
	});

	it("errors when indexed value is not an array", function () {
		var d1 = make(
			"<div id='d1' _='on click set newVar to \"not-an-array\" then put newVar[0] into #d1.innerHTML'></div>"
		);
		try {
			d1.click();
		} catch (e) {
			console.log(e);
		}
	});
});