73 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			73 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| import {describe, it, expect, beforeEach, ddescribe, iit, xit}
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|   from 'angular2/test_lib';
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| 
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| import {List, ListWrapper} from 'angular2/src/facade/collection';
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| 
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| export function main() {
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|   describe('ListWrapper', () => {
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|     var l: List;
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| 
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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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| 
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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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| 
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|     describe('fill', () => {
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|       beforeEach(() => {
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|         l = [1, 2, 3, 4];
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|       });
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     describe('slice', () => {
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|       beforeEach(() => {
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|         l = [1, 2, 3, 4];
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|       });
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| 
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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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|       });
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| 
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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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|       });
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| 
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|       it('should support negative start', () => {
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|         expect(ListWrapper.slice(l, -1)).toEqual([4]);
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|       });
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| 
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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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|     });
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|  });
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| }
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