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Commit fc7b8aad authored by Zhen Zhang's avatar Zhen Zhang
Browse files

Modify topKEqualsToSort test to cover more cases. 

Modify the test to cover k greater than or equals to input size cases.
Bug: 143076068, 142558305
Test: this is the test.

Change-Id: I52cccd60c1835720f848cdab54b6b09e43020281
parent 2da6b815

core/tests/coretests/src/com/android/internal/app/ResolverListControllerTest.java

+15 −2
Original line number Diff line number Diff line
@@ -16,6 +16,8 @@ 


package com.android.internal.app;



import static junit.framework.Assert.assertEquals;



import static org.hamcrest.CoreMatchers.is;

import static org.hamcrest.MatcherAssert.assertThat;

import static org.mockito.Matchers.any;
@@ -126,7 +128,7 @@ public class ResolverListControllerTest { 
        String annotation = "test_annotation";

        Intent sendIntent = createSendImageIntent(annotation);

        String refererPackage = "test_referer_package";

        List<ResolvedComponentInfo> resolvedComponents = createResolvedComponentsForTest(15);

        List<ResolvedComponentInfo> resolvedComponents = createResolvedComponentsForTest(10);

        mUsm = new UsageStatsManager(mMockContext, mMockService);

        when(mMockContext.getSystemService(Context.USAGE_STATS_SERVICE)).thenReturn(mUsm);

        mController = new ResolverListController(mMockContext, mMockPackageManager, sendIntent,
@@ -135,7 +137,18 @@ public class ResolverListControllerTest { 
        mController.topK(topKList, 5);

        List<ResolvedComponentInfo> sortList = new ArrayList<>(topKList);

        mController.sort(sortList);

        assertThat(sortList.subList(0, 5), is(topKList.subList(0, 5)));

        assertEquals("Top k elements should be sorted when input size greater than k.",

                sortList.subList(0, 5), topKList.subList(0, 5));

        mController.topK(topKList, 10);

        sortList = new ArrayList<>(topKList);

        mController.sort(sortList);

        assertEquals("All elements should be sorted when input size equals k.",

                sortList, topKList);

        mController.topK(topKList, 15);

        sortList = new ArrayList<>(topKList);

        mController.sort(sortList);

        assertEquals("All elements should be sorted when input size less than k.",

                sortList, topKList);

    }



    private UsageStats initStats(String packageName, String action,