1  /*
2   * Copyright (C) 2017 The Android Open Source Project
3   *
4   * Licensed under the Apache License, Version 2.0 (the "License");
5   * you may not use this file except in compliance with the License.
6   * You may obtain a copy of the License at
7   *
8   *      http://www.apache.org/licenses/LICENSE-2.0
9   *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package com.example.android.cardview
18  
19  import android.support.test.InstrumentationRegistry
20  import android.support.test.rule.ActivityTestRule
21  import android.support.test.runner.AndroidJUnit4
22  import org.junit.Assert.assertEquals
23  import org.junit.Assert.assertNotNull
24  import org.junit.Before
25  import org.junit.Rule
26  import org.junit.Test
27  import org.junit.runner.RunWith
28  
29  /**
30   * Tests for CardView sample.
31   */
32  @RunWith(AndroidJUnit4::class)
33  class SampleTests {
34  
35      private lateinit var fragment: CardViewFragment
36  
37      @Rule @JvmField
38      val activityTestRule = ActivityTestRule(CardViewActivity::class.java)
39  
setUpnull40      @Before fun setUp() {
41          activityTestRule.activity.fragmentManager.beginTransaction()
42          fragment = activityTestRule.activity.fragmentManager
43                  .findFragmentById(R.id.container) as CardViewFragment
44      }
45  
testPreconditionsnull46      @Test fun testPreconditions() {
47          assertNotNull(activityTestRule.activity)
48          assertNotNull(fragment)
49          assertNotNull(fragment.radiusSeekBar)
50          assertNotNull(fragment.elevationSeekBar)
51      }
52  
testRadiusSeekbarChangesRadiusOfCardViewnull53      @Test fun testRadiusSeekbarChangesRadiusOfCardView() {
54          InstrumentationRegistry.getInstrumentation().runOnMainSync {
55              val radius = 50.0f
56              fragment.radiusSeekBar.progress = radius.toInt()
57              assertEquals(radius, fragment.cardView.radius)
58          }
59      }
60  
testElevationSeekbarChangesElevationOfCardViewnull61      @Test fun testElevationSeekbarChangesElevationOfCardView() {
62          InstrumentationRegistry.getInstrumentation().runOnMainSync {
63              val elevation = 40.0f
64              fragment.elevationSeekBar.progress = elevation.toInt()
65              assertEquals(elevation, fragment.cardView.elevation)
66          }
67      }
68  
69  }