143 lines
4.8 KiB
TypeScript
143 lines
4.8 KiB
TypeScript
import {describe, it, expect, beforeEach, ddescribe, iit, xit} from 'angular2/test_lib';
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import {
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List,
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ListWrapper,
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StringMap,
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StringMapWrapper,
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MapWrapper
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} from 'angular2/src/facade/collection';
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export function main() {
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describe('ListWrapper', () => {
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var l: List<int>;
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describe('splice', () => {
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it('should remove sublist of given length and return it', () => {
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var list = [1, 2, 3, 4, 5, 6];
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expect(ListWrapper.splice(list, 1, 3)).toEqual([2, 3, 4]);
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expect(list).toEqual([1, 5, 6]);
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});
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it('should support negative start', () => {
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var list = [1, 2, 3, 4, 5, 6];
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expect(ListWrapper.splice(list, -5, 3)).toEqual([2, 3, 4]);
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expect(list).toEqual([1, 5, 6]);
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});
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});
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describe('fill', () => {
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beforeEach(() => { l = [1, 2, 3, 4]; });
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it('should fill the whole list if neither start nor end are specified', () => {
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ListWrapper.fill(l, 9);
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expect(l).toEqual([9, 9, 9, 9]);
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});
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it('should fill up to the end if end is not specified', () => {
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ListWrapper.fill(l, 9, 1);
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expect(l).toEqual([1, 9, 9, 9]);
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});
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it('should support negative start', () => {
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ListWrapper.fill(l, 9, -1);
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expect(l).toEqual([1, 2, 3, 9]);
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});
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it('should support negative end', () => {
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ListWrapper.fill(l, 9, -2, -1);
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expect(l).toEqual([1, 2, 9, 4]);
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});
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});
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describe('slice', () => {
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beforeEach(() => { l = [1, 2, 3, 4]; });
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it('should return the whole list if neither start nor end are specified',
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() => { expect(ListWrapper.slice(l)).toEqual([1, 2, 3, 4]); });
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it('should return up to the end if end is not specified',
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() => { expect(ListWrapper.slice(l, 1)).toEqual([2, 3, 4]); });
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it('should support negative start', () => { expect(ListWrapper.slice(l, -1)).toEqual([4]); });
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it('should support negative end',
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() => { expect(ListWrapper.slice(l, -3, -1)).toEqual([2, 3]); });
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});
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describe('indexOf', () => {
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beforeEach(() => { l = [1, 2, 3, 4]; });
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it('should find values that exist', () => { expect(ListWrapper.indexOf(l, 1)).toEqual(0); });
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it('should not find values that do not exist',
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() => { expect(ListWrapper.indexOf(l, 9)).toEqual(-1); });
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it('should respect the startIndex parameter',
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() => { expect(ListWrapper.indexOf(l, 1, 1)).toEqual(-1); });
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});
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describe('maximum', () => {
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it('should return the maximal element',
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() => { expect(ListWrapper.maximum([1, 2, 3, 4], x => x)).toEqual(4); });
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it('should ignore null values',
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() => { expect(ListWrapper.maximum([null, 2, 3, null], x => x)).toEqual(3); });
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it('should use the provided function to determine maximum',
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() => { expect(ListWrapper.maximum([1, 2, 3, 4], x => -x)).toEqual(1); });
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it('should return null for an empty list',
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() => { expect(ListWrapper.maximum([], x => x)).toEqual(null); });
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});
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});
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describe('StringMapWrapper', () => {
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describe('equals', () => {
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it('should return true when comparing empty maps',
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() => { expect(StringMapWrapper.equals({}, {})).toBe(true); });
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it('should return true when comparing the same map', () => {
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var m1 = {'a': 1, 'b': 2, 'c': 3};
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expect(StringMapWrapper.equals(m1, m1)).toBe(true);
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});
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it('should return true when comparing different maps with the same keys and values', () => {
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var m1 = {'a': 1, 'b': 2, 'c': 3};
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var m2 = {'a': 1, 'b': 2, 'c': 3};
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expect(StringMapWrapper.equals(m1, m2)).toBe(true);
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});
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it('should return false when comparing maps with different numbers of keys', () => {
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var m1 = {'a': 1, 'b': 2, 'c': 3};
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var m2 = {'a': 1, 'b': 2, 'c': 3, 'd': 4};
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expect(StringMapWrapper.equals(m1, m2)).toBe(false);
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expect(StringMapWrapper.equals(m2, m1)).toBe(false);
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});
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it('should return false when comparing maps with different keys', () => {
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var m1 = {'a': 1, 'b': 2, 'c': 3};
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var m2 = {'a': 1, 'b': 2, 'CC': 3};
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expect(StringMapWrapper.equals(m1, m2)).toBe(false);
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expect(StringMapWrapper.equals(m2, m1)).toBe(false);
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});
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it('should return false when comparing maps with different values', () => {
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var m1 = {'a': 1, 'b': 2, 'c': 3};
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var m2 = {'a': 1, 'b': 20, 'c': 3};
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expect(StringMapWrapper.equals(m1, m2)).toBe(false);
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expect(StringMapWrapper.equals(m2, m1)).toBe(false);
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});
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});
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describe('MapWrapper', () => {
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it('should return a list of keys values', () => {
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var m = new Map();
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m.set('a', 'b');
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expect(MapWrapper.keys(m)).toEqual(['a']);
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expect(MapWrapper.values(m)).toEqual(['b']);
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});
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});
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});
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}
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