Added aris-disabled test

Author: sllethe

src/lib/list/selection-list.spec.ts

@@ -1,5 +1,5 @@
 import {async, TestBed, ComponentFixture, inject} from '@angular/core/testing';
-import {Component, DebugElement} from '@angular/core';
+import {Component, DebugElement, ViewChildren} from '@angular/core';
 import {By} from '@angular/platform-browser';
 import {MdSelectionList, MdListOption, MdListModule} from './index';
 import {createKeyboardEvent} from '@angular/cdk/testing';
@@ -51,11 +51,13 @@ describe('test normal selection list with list option', () => {
     let selectList = selectionList.injector.get<MdSelectionList>(MdSelectionList).selectedOptions;
 
     expect(selectList.selected.length).toBe(0);
+    expect(listOption[2].nativeElement.getAttribute('aria-selected')).toBe('false');
 
     testListItem.toggle();
     fixture.detectChanges();
 
     expect(listOption[2].nativeElement.getAttribute('aria-selected')).toBe('true');
+    expect(listOption[2].nativeElement.getAttribute('aria-disabled')).toBe('false');
     expect(selectList.selected.length).toBe(1);
   });
 
@@ -65,6 +67,8 @@ describe('test normal selection list with list option', () => {
     let selectList = selectionList.injector.get<MdSelectionList>(MdSelectionList).selectedOptions;
 
     expect(selectList.selected.length).toBe(0);
+    expect(listOption[2].nativeElement.getAttribute('aria-selected')).toBe('false');
+    expect(listOption[1].nativeElement.getAttribute('aria-selected')).toBe('false');
 
     testListItem.toggle();
     fixture.detectChanges();
@@ -75,6 +79,8 @@ describe('test normal selection list with list option', () => {
     expect(selectList.selected.length).toBe(2);
     expect(listOption[2].nativeElement.getAttribute('aria-selected')).toBe('true');
     expect(listOption[1].nativeElement.getAttribute('aria-selected')).toBe('true');
+    expect(listOption[1].nativeElement.getAttribute('aria-disabled')).toBe('false');
+    expect(listOption[2].nativeElement.getAttribute('aria-disabled')).toBe('false');
   });
 
   it('should be able to deselect an option', () => {
@@ -107,6 +113,17 @@ describe('test normal selection list with list option', () => {
     expect(selectList.selected.length).toBe(0);
   });
 
+  it('should be able to un-disable disabled items', () => {
+    let testListItem = listOption[0].injector.get<MdListOption>(MdListOption);
+
+    expect(listOption[0].nativeElement.getAttribute('aria-disabled')).toBe('true');
+
+    testListItem.disabled = false;
+    fixture.detectChanges();
+
+    expect(listOption[0].nativeElement.getAttribute('aria-disabled')).toBe('false');
+  });
+
   it('should be able to use keyboard select with SPACE', () => {
     let testListItem = listOption[1].nativeElement as HTMLElement;
     let SPACE_EVENT: KeyboardEvent =
@@ -202,7 +219,7 @@ describe('test selection list with single option', () => {
     fixture.detectChanges();
 
     expect(listItemEl.nativeElement).toBe(document.activeElement);
-    if (!platform.IS_TRIDENT) {
+    if (!platform.TRIDENT) {
       expect(listItemEl.nativeElement.className).toContain('mat-list-item-focus');
     }