| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.car.settings.storage; |
| |
| import static com.android.car.settings.storage.FileSizeFormatter.GIGABYTE_IN_BYTES; |
| import static com.android.car.settings.storage.FileSizeFormatter.MEGABYTE_IN_BYTES; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import android.content.Context; |
| |
| import com.android.car.settings.CarSettingsRobolectricTestRunner; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.robolectric.RuntimeEnvironment; |
| |
| |
| /** Unit test for {@link FileSizeFormatter}. */ |
| @RunWith(CarSettingsRobolectricTestRunner.class) |
| public class FileSizeFormatterTest { |
| private Context mContext; |
| |
| @Before |
| public void setUp() throws Exception { |
| mContext = RuntimeEnvironment.application; |
| } |
| |
| @Test |
| public void formatFileSize_zero() throws Exception { |
| assertThat( |
| FileSizeFormatter.formatFileSize( |
| mContext, |
| 0 /* size */, |
| com.android.internal.R.string.gigabyteShort, |
| GIGABYTE_IN_BYTES)) |
| .isEqualTo("0.00 GB"); |
| } |
| |
| @Test |
| public void formatFileSize_smallSize() throws Exception { |
| assertThat( |
| FileSizeFormatter.formatFileSize( |
| mContext, |
| MEGABYTE_IN_BYTES * 11 /* size */, |
| com.android.internal.R.string.gigabyteShort, |
| GIGABYTE_IN_BYTES)) |
| .isEqualTo("0.01 GB"); |
| } |
| |
| @Test |
| public void formatFileSize_lessThanOneSize() throws Exception { |
| assertThat( |
| FileSizeFormatter.formatFileSize( |
| mContext, |
| MEGABYTE_IN_BYTES * 155 /* size */, |
| com.android.internal.R.string.gigabyteShort, |
| GIGABYTE_IN_BYTES)) |
| .isEqualTo("0.16 GB"); |
| } |
| |
| @Test |
| public void formatFileSize_greaterThanOneSize() throws Exception { |
| assertThat( |
| FileSizeFormatter.formatFileSize( |
| mContext, |
| MEGABYTE_IN_BYTES * 1551 /* size */, |
| com.android.internal.R.string.gigabyteShort, |
| GIGABYTE_IN_BYTES)) |
| .isEqualTo("1.6 GB"); |
| } |
| |
| @Test |
| public void formatFileSize_greaterThanTen() throws Exception { |
| // Should round down due to truncation |
| assertThat( |
| FileSizeFormatter.formatFileSize( |
| mContext, |
| GIGABYTE_IN_BYTES * 15 + MEGABYTE_IN_BYTES * 50 /* size */, |
| com.android.internal.R.string.gigabyteShort, |
| GIGABYTE_IN_BYTES)) |
| .isEqualTo("15 GB"); |
| } |
| |
| @Test |
| public void formatFileSize_handlesNegativeFileSizes() throws Exception { |
| assertThat( |
| FileSizeFormatter.formatFileSize( |
| mContext, |
| MEGABYTE_IN_BYTES * -155 /* size */, |
| com.android.internal.R.string.gigabyteShort, |
| GIGABYTE_IN_BYTES)) |
| .isEqualTo("-0.16 GB"); |
| } |
| } |