Leaf Petersen
b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
258 lines
8.0 KiB
Dart
258 lines
8.0 KiB
Dart
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// @dart = 2.9
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import 'dart:html';
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import 'package:expect/minitest.dart';
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bool isChecked(Element e) => (e as CheckboxInputElement).checked;
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bool isUnchecked(Element e) => !(e as CheckboxInputElement).checked;
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// Test that List<Element> implements List<T>
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main() {
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Element insertTestDiv() {
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Element element = new Element.tag('div');
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element.innerHtml = r"""
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<div id='allChecked'>
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<input type="checkbox" name="c1" value="1" checked="yes">
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<input type="checkbox" name="c2" value="2" checked="yes">
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<input type="checkbox" name="c3" value="3" checked="yes">
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<input type="checkbox" name="c4" value="4" checked="yes">
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</div>
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<div id='someChecked'>
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<input type="checkbox" name="s1" value="1" checked="yes">
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<input type="checkbox" name="s2" value="2">
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<input type="checkbox" name="s3" value="3" checked="yes">
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<input type="checkbox" name="s4" value="4">
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</div>
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<div id='noneChecked'>
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<input type="checkbox" name="n1" value="1">
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<input type="checkbox" name="n2" value="2">
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<input type="checkbox" name="n3" value="3">
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<input type="checkbox" name="n4" value="4">
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</div>
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<div id='emptyDiv'></div>
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""";
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document.body.append(element);
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return element;
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}
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test('IsList', () {
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Element root = insertTestDiv();
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List<Element> eachChecked = document.querySelector('#allChecked').children;
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expect(eachChecked is List, isTrue);
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root.remove();
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});
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test('Every', () {
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Element root = insertTestDiv();
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List<Element> eachChecked = document.querySelector('#allChecked').children;
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List<Element> someChecked = document.querySelector('#someChecked').children;
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List<Element> noneChecked = document.querySelector('#noneChecked').children;
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expect(eachChecked.length, 4);
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expect(someChecked.length, 4);
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expect(noneChecked.length, 4);
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expect(eachChecked.every(isChecked), isTrue);
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expect(eachChecked.every(isUnchecked), isFalse);
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expect(someChecked.every(isChecked), isFalse);
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expect(someChecked.every(isUnchecked), isFalse);
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expect(noneChecked.every(isChecked), isFalse);
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expect(noneChecked.every(isUnchecked), isTrue);
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root.remove();
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});
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test('Some', () {
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Element root = insertTestDiv();
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List<Element> eachChecked = document.querySelector('#allChecked').children;
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List<Element> someChecked = document.querySelector('#someChecked').children;
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List<Element> noneChecked = document.querySelector('#noneChecked').children;
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expect(eachChecked.length, 4);
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expect(someChecked.length, 4);
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expect(noneChecked.length, 4);
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expect(eachChecked.any(isChecked), isTrue);
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expect(eachChecked.any(isUnchecked), isFalse);
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expect(someChecked.any(isChecked), isTrue);
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expect(someChecked.any(isUnchecked), isTrue);
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expect(noneChecked.any(isChecked), isFalse);
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expect(noneChecked.any(isUnchecked), isTrue);
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root.remove();
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});
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test('Filter', () {
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Element root = insertTestDiv();
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List<Element> eachChecked = document.querySelector('#allChecked').children;
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List<Element> someChecked = document.querySelector('#someChecked').children;
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List<Element> noneChecked = document.querySelector('#noneChecked').children;
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expect(eachChecked.length, 4);
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expect(someChecked.length, 4);
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expect(noneChecked.length, 4);
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expect(eachChecked.where(isChecked).length, 4);
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expect(eachChecked.where(isUnchecked).length, 0);
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expect(someChecked.where(isChecked).length, 2);
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expect(someChecked.where(isUnchecked).length, 2);
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expect(noneChecked.where(isChecked).length, 0);
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expect(noneChecked.where(isUnchecked).length, 4);
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root.remove();
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});
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test('IsEmpty', () {
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Element root = insertTestDiv();
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List<Element> someChecked = document.querySelector('#someChecked').children;
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List<Element> emptyDiv = document.querySelector('#emptyDiv').children;
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expect(someChecked.length, 4);
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expect(emptyDiv.length, 0);
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expect(someChecked.isEmpty, isFalse);
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expect(emptyDiv.isEmpty, isTrue);
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root.remove();
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});
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int countWithForEach(collection, predicate) {
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int count = 0;
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collection.forEach((element) {
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if (predicate(element)) count++;
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});
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return count;
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}
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test('ForEach', () {
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Element root = insertTestDiv();
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List<Element> eachChecked = document.querySelector('#allChecked').children;
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List<Element> someChecked = document.querySelector('#someChecked').children;
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List<Element> noneChecked = document.querySelector('#noneChecked').children;
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expect(eachChecked.length, 4);
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expect(someChecked.length, 4);
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expect(noneChecked.length, 4);
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expect(countWithForEach(eachChecked, isChecked), 4);
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expect(countWithForEach(eachChecked, isUnchecked), 0);
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expect(countWithForEach(someChecked, isChecked), 2);
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expect(countWithForEach(someChecked, isUnchecked), 2);
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expect(countWithForEach(noneChecked, isChecked), 0);
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expect(countWithForEach(noneChecked, isUnchecked), 4);
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root.remove();
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});
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int countWithForLoop(collection, predicate) {
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int count = 0;
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for (var element in collection) {
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if (predicate(element)) count++;
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}
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return count;
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}
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test('ForLoop', () {
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// Uses iterator.
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Element root = insertTestDiv();
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List<Element> eachChecked = document.querySelector('#allChecked').children;
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List<Element> someChecked = document.querySelector('#someChecked').children;
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List<Element> noneChecked = document.querySelector('#noneChecked').children;
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expect(eachChecked.length, 4);
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expect(someChecked.length, 4);
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expect(noneChecked.length, 4);
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expect(countWithForLoop(eachChecked, isChecked), 4);
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expect(countWithForLoop(eachChecked, isUnchecked), 0);
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expect(countWithForLoop(someChecked, isChecked), 2);
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expect(countWithForLoop(someChecked, isUnchecked), 2);
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expect(countWithForLoop(noneChecked, isChecked), 0);
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expect(countWithForLoop(noneChecked, isUnchecked), 4);
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root.remove();
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});
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test('Last', () {
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Element root = insertTestDiv();
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List<Element> someChecked = document.querySelector('#someChecked').children;
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expect(someChecked.length, 4);
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expect(someChecked.last, equals(someChecked[3]));
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root.remove();
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});
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test('IndexOf', () {
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Element root = insertTestDiv();
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List<Element> someChecked = document.querySelector('#someChecked').children;
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List<Element> noneChecked = document.querySelector('#noneChecked').children;
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expect(someChecked.length, 4);
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expect(noneChecked.length, 4);
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expect(someChecked.indexOf(someChecked[0], 0), 0);
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expect(someChecked.indexOf(someChecked[1], 0), 1);
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expect(someChecked.indexOf(someChecked[2], 0), 2);
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expect(someChecked.indexOf(someChecked[3], 0), 3);
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expect(someChecked.indexOf(someChecked[0], 1), -1);
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expect(someChecked.indexOf(someChecked[1], 2), -1);
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expect(someChecked.indexOf(someChecked[2], 3), -1);
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expect(someChecked.indexOf(someChecked[3], 4), -1);
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expect(someChecked.indexOf(noneChecked[0], 0), -1);
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expect(noneChecked.indexOf(someChecked[0], 0), -1);
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expect(someChecked.indexOf(noneChecked[1], 0), -1);
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expect(noneChecked.indexOf(someChecked[1], 0), -1);
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root.remove();
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});
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test('LastIndexOf', () {
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Element root = insertTestDiv();
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List<Element> someChecked = document.querySelector('#someChecked').children;
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List<Element> noneChecked = document.querySelector('#noneChecked').children;
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expect(someChecked.length, 4);
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expect(noneChecked.length, 4);
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expect(someChecked.lastIndexOf(someChecked[0], 3), 0);
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expect(someChecked.lastIndexOf(someChecked[1], 3), 1);
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expect(someChecked.lastIndexOf(someChecked[2], 3), 2);
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expect(someChecked.lastIndexOf(someChecked[3], 3), 3);
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expect(someChecked.lastIndexOf(someChecked[0], -1), -1);
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expect(someChecked.lastIndexOf(someChecked[1], 0), -1);
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expect(someChecked.lastIndexOf(someChecked[2], 1), -1);
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expect(someChecked.lastIndexOf(someChecked[3], 2), -1);
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expect(someChecked.lastIndexOf(noneChecked[0], 3), -1);
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expect(noneChecked.lastIndexOf(someChecked[0], 3), -1);
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expect(someChecked.lastIndexOf(noneChecked[1], 3), -1);
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expect(noneChecked.lastIndexOf(someChecked[1], 3), -1);
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root.remove();
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});
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}
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